https://analytics.envi-met.com/hg2e/ 2026-04-12T15:39:46+00:00 https://analytics.envi-met.com/hg2e/ https://analytics.envi-met.com/hg2e/lib/tpl/envimet/images/favicon.ico text/html 2017-11-10T09:09:08+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=1d_model_files&rev=1510301348&do=diff 1D-Model Files ENVI-met runs a one-dimensional model parallel to the main (3D) model in order to have produce different initial and boundary conditions. The state of the 1D model is saved each time the main data of the model are saved. These files are written in simple text/html 2017-11-10T09:09:08+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=3d_model&rev=1510301348&do=diff The 3D-Model The Main Model is the “heart” of ENVI-met. It calculates all the processes in the atmosphere using a full 3D Prognostic Meteorological Model. text/html 2025-02-19T15:19:41+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=account&rev=1739974781&do=diff Account Creation With the Update to Version 5.7.2 you will need to create an account at https://oneclicklca.com/ to be able to use ENVI-met Follow these steps to successfully create your account: 1. Create Your Account Go to the One Click LCA registration page and sign up with your work email address. Important: Use your individual work email, as sharing accounts is not allowed. Check your email for an activation link and click it to activate your account. text/html 2017-11-10T09:09:08+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=additional_optional_sections&rev=1510301348&do=diff Additional Optional Sections A. Sources The Sources section begins with the keyword \SOURCES followed by the complete grid matrix like in the \PLANTS section. This section defines the position of different sources in the model domain. As the concept is the same as for plants, this section is not displayed here. text/html 2017-11-10T09:09:09+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=albedo&rev=1510301349&do=diff The Albedo The shortwave albedo for natural soils (unsealed soils) and water is calculated inside ENVI-met using the soil wetness and the sun elevation angle respectively. You can set these value to “0.00” in the database. For soil profiles with a sealed soil at the uppermost layer, you must enter a valid albedo in the database. text/html 2017-11-10T09:09:09+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=area_definition&rev=1510301349&do=diff Area Definition Panel Summarises settings of the selected Area Input File. Area Input File Shows information about the Area Input File recently loaded into the model. You can view and edit the area by pressing “Click here to view/edit...” (Launches the ENVI-met editor). text/html 2017-11-10T09:09:09+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=atmospheric_receptor_file_data&rev=1510301349&do=diff Atmospheric Receptor File: Data This section describes the different data field found in the Atmospheric Receptor Files. Both receptor files, Snapshot and Time Series File, hold the same data fields (see Receptor Files). Data contained in the Atmospheric Receptor Files: text/html 2017-11-10T09:09:09+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=basic_settings&rev=1510301349&do=diff Configuration File - Basic Settings What is in the file? Every .CF file begins with a fixed structure, which is essential for EACH simulation: This is how the first part might look like (the line numbers are for this documentation only!): 00: %---------------------------------------------ENVI-met Configuration File V3.1 00: %----------------------------------------------------------------------------- 00: %MAIN-DATA 01: Name for Simulation (Text): =Simple Example 02: Inpu… text/html 2017-11-10T09:09:09+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=biometeorology&rev=1510301349&do=diff Biometeorology Setting Panel Defines the basic settings for the PMV/PPD calculation. For more information see [PMV] Section. text/html 2017-11-10T09:09:09+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=botworld_files&rev=1510301349&do=diff BOTworld Files The BOTworld files contain the variables wind speed, wind direction, air temperature, radiative temperature, humidity and pollutants for the 1.6m above ground level or the best matching level close to 1.6m. These file are required by BOTworld (see text/html 2017-11-10T09:09:09+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=building_bottom_section_example&rev=1510301349&do=diff Example Area Input File - Building Bottom Section Additional section defining non-zero building bottoms: \BOTTOM 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 text/html 2017-11-10T09:09:09+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=building_bottoms&rev=1510301349&do=diff 3. Main Section: Building Bottoms (optional) Buildings defined using the section explained above all start at ground surface (z=0) as houses normally do. If you want to define buildings beginning at a different height, an additional Building Bottom Section is needed. text/html 2017-11-10T09:09:09+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=building_height&rev=1510301349&do=diff 2. Main Section: Building Height If the [INTERNAL] format is used, the header is followed by the main section defining the position and height of buildings. Click here to see an example section The format chosen in the first line of the file (Format ID) is used here. Buildings are set into the area by assigning their height to the corresponding grid points ( text/html 2017-11-10T09:09:09+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=building_properties&rev=1510301349&do=diff Building Properties Panel Summarises the settings for the building system. All data is defined in the [BUILDING] Section of the The Configuration File .CF - Overview. In the recent version, all settings apply to ALL buildings. text/html 2017-11-10T09:09:09+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=building&rev=1510301349&do=diff [BUILDING] Section Purpose Buildings are active elements of the model area, therefore a number of data is required to simulate then correctly. In this version, the same settings are applied to each building. It is not possible to define different thermal properties or colours for a single house. This is still future work. text/html 2017-11-10T09:09:09+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=calculate_or_update_wind_field&rev=1510301349&do=diff Calculate or Update Wind Field Calculates the wind field (if in continuous mode) or makes an update after a given time interval. Possible Problems & Solution The wind field divergence is too high after the update process This is probably a follow-up problem from the initialization phase of the wind field. See text/html 2017-11-10T09:09:09+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=calculate_wind_field_for_10_sec&rev=1510301349&do=diff Calculate Wind Field for 10 Sec This initial wind field calculation ensures that most of the features of the flow field are well developed before the main calculation routine is started. The time of 10 sec was set more or less arbitrarily and is a compromise of time spend and maximum obtainable effect. text/html 2017-11-10T09:09:09+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=calculation_of_other_required_data&rev=1510301349&do=diff Calculation of other Required Data * Max Radiation at Noon * SOR Coefficients * Wind Speed Model Top Pre-Calculation of Maximum Solar Radiation, SOR Coefficients and Wind Speed at Model Top. Possible Problems & Solution Invalid settings for text/html 2017-11-10T09:09:09+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=captured_grids&rev=1510301349&do=diff Captured Grids 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 020202020202020202020202020202020 0 0 0 02020202020202020202020202020_020 0 0 0 020202020 0 0 0 0 0 0 0 0 0202020 0 0 0 020202020 0 0 0 0 0 0 0 0 0202020 0 0 The “0” placed between “ text/html 2017-11-10T09:09:09+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=click_here_to_hear_more_about_this_dialog&rev=1510301349&do=diff Preview Solar Radiation Objectives This dialog allows to preview the solar radiation values that will be used by ENVI-met in the actual simulation. In addition, the user can test the effects of different solar adjustment factors on the radiative fluxes. text/html 2017-11-10T09:09:09+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=clo-values&rev=1510301349&do=diff clo-Values The heat balance of the human body depends very much on the clothing you wear. The thermal resistance of clothing is measured in clo where 1 clo = 0.155 KW²/W. Here is an example list of clo values for typical street wear: Type text/html 2017-11-10T09:09:09+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=clouds&rev=1510301349&do=diff [CLOUDS]-Section Purpose Normally ENVI-met is run for cloud-free sky conditions as in this situation the spatial and temporal differences can be observed best. However, there may be a demand to run ENVI-met also with the assumption of an existing cloud cover. text/html 2017-11-10T09:09:09+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=collect_receptors&rev=1510301349&do=diff Collect Receptors, Remove Invalid Receptors Collects all receptors defined in the model. Normally, receptors should only be used in the Area Input File. For compatibility, ENVI-met supports also Receptors stored in the Main Configuration File. Possible Problems & Solution None known. text/html 2017-11-10T09:09:09+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=configuration_file&rev=1510301349&do=diff The Configuration File .CF - Overview What is in the Configuration File? The .CF file (Configuration File) defines the settings for the simulation to run, for example the name for the area input file, the name of the output files or the meteorological settings. text/html 2017-11-10T09:09:09+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=content&rev=1510301349&do=diff Overview of the ENVI-wiki General Introduction * The Data/File Structure Overview of ENVI-met Files * Input Files * The ENVI-met Database System * Output Files * Other Files Model Run * Initial Work * Database Setup * Simulation Files Setup * Database Work * Other Things * Calculation of other Required Data * Initialisation * Main Loop Visualisation of ENVI-met Results using LEONARDO * Visualisation of ENVI-met Results using LEONARDO - Index text/html 2017-11-10T09:09:09+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=create_grid&rev=1510301349&do=diff Create Grid Builds the grid of the Model Area. Possible Problems & Solution ENVI-met reports Captured Grids Captured Grids are single, free grid cells which are totally neighbored by occupied grid cells (see also here). ENVI-met warns about this, but normally they do not cause problems. text/html 2017-11-10T09:09:09+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=creating_directory_tree&rev=1510301349&do=diff Creating Directory Tree Builds the Directory Tree for the Output Files. Possible Problems & Solution Directory Tree cannot be build Maybe you used an illegal character in the name of the folder or you do not have the permission to create the folders. In this case, ENVI-met will write in the main root of the disc it is running from. text/html 2017-11-10T09:09:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=data_layer&rev=1510301350&do=diff Bold Text Data Layer LEONARDO works with an internal color palette of 30 colors, organised in 3 groups of 10 colors each. Colors 0..9 are set#1, colors 10..19 are set#2. The colors 20..29 are reserved for a grey scale. Thing to do to adjust the Data layer: text/html 2017-11-10T09:09:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=database_files&rev=1510301350&do=diff Database Files * Soil Database SOILS.DAT * Profiles Database PROFILS.DAT * Plant Database PLANTS.DAT * Sources Database SOURCES.DAT text/html 2017-11-10T09:09:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=database_link_section&rev=1510301350&do=diff Additional Optional Sections: DB-Links The database section has no function in ENVI-met. It is used for other programs such as BOTworld (see UNCONVERTED WINHELP MACRO:! ExecFile www.botworld.info) to link certain grid points with database entries. text/html 2017-11-10T09:09:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=database_setup&rev=1510301350&do=diff Database Setup * Read SOILS.DAT/PROFILS.DAT * Read SOURCES.DAT + Local Sources * Read PLANTS.DAT + Local Database text/html 2017-11-10T09:09:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=database_work&rev=1510301350&do=diff Database Work * Link PROFILS.DAT to SOILS.DAT * Link Area Input File to PROFILS.DAT text/html 2017-11-10T09:09:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=defining_alias_myalias.dat&rev=1510301350&do=diff Defining Alias MYALIAS.DAT What are Alias? Alias are keywords that can be used instead of directory names. Whenever ENVI-met expects information about the location of a certain file, an alias can be used instead of typing the complete path to that file. In older versions, alias have already been used in ENVI-met to point for example to the default input (alias=[INPUT]) or the output (=[OUTPUT]) directory. From version 3.1 on, you are able to define your own list of alias. text/html 2017-11-10T09:09:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=dem_properties&rev=1510301350&do=diff DEM Properties Calculates the basic properties of the terrain such as surface exposition and inclination or the Sky-View factor. Possible Problems & Solution No known problems. text/html 2017-11-10T09:09:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=dem_section&rev=1510301350&do=diff Additional Optional Sections: DEM This sections defines a so-called “inline” digital elevation model. The recent version of ENVI-met does not support orography, but ENVI-met already holds a number of interfaces to include it in future versions. text/html 2017-11-10T09:09:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=example_building_top&rev=1510301350&do=diff Example Area Input File - Building Top % modelarea 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 text/html 2017-11-10T09:09:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=example_soils_section&rev=1510301350&do=diff Example Area Input File - Soils Section \SOILS l l l l l l l l l l s s s s l l l l l l l l l l l l l l l l s s s s l l l l l l l l l l l l l l l l s s s s l l l l l l l l l l l l l l l l s s s s l l l l l l l l l l l l l l l l s s s s l l l l l l text/html 2017-11-10T09:09:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=file_format_specifications&rev=1510301350&do=diff File Format Specification In Version 3.1 the format of the Area Input File has changed totally. Using old files in ENVI-met 3.1 reuqires a load-and-save in the new editor to reformat the file! Overview We are providing this information about the structure of the Area Input Files because we have learned that some users prefer to create their own file (for example out of existing databases) rather than using the ENVI-met Editor. text/html 2017-11-10T09:09:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=file_header&rev=1510301350&do=diff 1. File Header The file header contains the basic information about the model dimensions and other metadata required to construct the computer model. 01: 2Z-V5 02: % Model description 03: ENVI-met test area 04: % Number of grids in x, y and z direction text/html 2020-07-02T12:17:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=fixed_licenseserver&rev=1593685032&do=diff License Server Issues As most of you will be aware, we have been facing issues with our license server since yesterday afternoon (Central European Summer Time). This was due to an unannounced change in the host system and our team has been working relentlessly ever since to get the server back to work. text/html 2017-11-10T09:09:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=format_id&rev=1510301350&do=diff Format ID To separate the chars belonging to different grid points, ENVI-met uses the so-called format ID. This ID defines, how many chars are interpreted as one value in the matrix blocks. This is necessary because no other dividing information such as space is provided in these blocks. text/html 2017-11-10T09:09:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=general_file_structure&rev=1510301350&do=diff Receptor Files: File Structure Snapshot file The structure of the snapshot files is as follows: <Date> <Time> <Height z(1)> <Data 1> <Data 2> ... <Data N> <....> <....> <Height z(2)> <...............> ... <......> (... other z-levels ...) text/html 2017-11-10T09:09:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=hint1&rev=1510301350&do=diff Using ENVI-met Defaults in LEONARDO If the option “Use ENVI-met Defaults” is checked, LEONARDO automatically suggests the best connection between ENVI-met variables and map layers. Note, that in most cases, only for the Data layer and the Isoline Layer the variables can be chosen freely. text/html 2017-11-10T09:09:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=hint2&rev=1510301350&do=diff Selecting the Correct Vector Component Although 3 Vector Layer Components are shown in this dialog (Vector x, -y and -z) the vectors in the 2D map are using only 2 (!) components. The DataNavigator automatically detects, which composition of components are correct depending on the type of cut you use. text/html 2017-11-10T09:09:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=init_1d_model&rev=1510301350&do=diff Init 1D Model (all data) Initializes the 1D Model based on the initial data. Possible Problems & Solution Numerical Instability Very rare in this stage. If problems occur, check if the input data for temperature, humidity and wind make sense. text/html 2017-11-10T09:09:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=init_all_values_3d_except_wind&rev=1510301350&do=diff Init all Variables 3D All variables except the wind speed will be calculated in the full The 3D-Model using the new wind field and using the initial conditions for the thermal stratification and surface temperatures. Possible Problems & Solution Missing Convergence in the Turbulent Kinetic Energy (TKE) field text/html 2017-11-10T09:09:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=initial_data_setup&rev=1510301350&do=diff Initial Data Setup The Main The Configuration File .CF - Overview is read and parsed. The different MYALIAS.DAT are replaced by the real directory names and the dimensions of the model area are checked. Possible Problems & Solution Model Area is too large for Program Version Your Area Input File is too large. text/html 2017-11-10T09:09:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=initial_diastrophy&rev=1510301350&do=diff Initial Diastrophy Resets the terrain information to “flat terrain”. (Not supported in the recent version) Possible Problems & Solution This feature is not implemented in this version of ENVI-met. text/html 2017-11-10T09:09:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=initial_exchange_coefficients&rev=1510301350&do=diff Initial Exchange Coefficients Calculates the initial exchange coefficients based on the TKE distribution copied from the 1D Model. Possible Problems & Solution If the 1D model has failed, this step will fail, too. Normally no problems occur at this point. text/html 2017-11-10T09:09:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=initial_values_3d&rev=1510301350&do=diff Initial Values 3D Transfers the values from the 1D Model into the The 3D-Model Area. Possible Problems & Solution No known problems. text/html 2017-11-10T09:09:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=initial_work&rev=1510301350&do=diff Initial Work * Initial Data Setup * Memory Setup * Creating Directory Tree text/html 2017-11-10T09:09:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=initialisation&rev=1510301350&do=diff Initialisation * Init 1D Model (all data) * Init 3D Model * Initial Diastrophy * DEM Properties * Initial Values 3D * Initial Exchange Coefficients * Wind Field Diastrophy * Init all Variables 3D * Calculate Wind Field for 10 Sec text/html 2017-11-10T09:09:11+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=input_files&rev=1510301351&do=diff Input Files Configuration File * Overview * Configuration File - Basic Settings * Optional Sections: * [BUILDING] Section * [CLOUDS]-Section * [SOURCES] Section * [SOILDATA] Section * [SOLARADJUST] Section * [TIMING] Section * [TIMESTEPS] Section * [TURBULENCE] Section * [RECEPTORS] Section * [LBC-TYPES] Section * [NESTINGAREA] Section * [PMV] Section * [PLANTMODEL] Section * [LOCALDB] Area Input File * Over… text/html 2017-11-10T09:09:11+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=intelligent_troubleshooting_via_relaxation&rev=1510301351&do=diff Intelligent Troubbleshooting via Relaxation To avoid numerical oscillations during the initialisation phase, ENVI-met can “relax” the results of the TKE-e equation system. This means that the new results of the equation are only partly used to obtain the solution. text/html 2017-11-10T09:09:11+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=inv_buildings&rev=1510301351&do=diff Individual building files text/html 2017-11-10T09:09:11+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=lbc-types&rev=1510301351&do=diff [LBC-TYPES] Section Purpose The lateral boundary conditions types (LBC) define the way ENVI-met handles the model boundaries. As the normal prognostic equations of the model cannot be applied to grid points on the model borders, other, more simple methods are used to obtain the needed values there. text/html 2025-02-19T15:37:04+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=licensemanagement&rev=1739975824&do=diff License Management With the Update to Version 5.7.2 you will need to create an account at https://oneclicklca.com/ to be able to use ENVI-met Follow these steps to successfully manage your ENVI-met license General As a License Manager, you have the power to: text/html 2017-11-10T09:09:11+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=link_area_input_file_to_profils.dat&rev=1510301351&do=diff Link Area Input File to PROFILS.DAT Connects the soil-IDs used in the Area Input File to the PROFILS.DAT database. Possible Problems & Solution ENVI-met reports Missing Profiles and replaces them One or more soil-IDs used in the Area Input File are not defined in PROFILS.DAT database. text/html 2017-11-10T09:09:11+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=link_profils.dat_to_soils.dat&rev=1510301351&do=diff Link PROFILS.DAT to SOILS.DAT Links the soil types in SOILS.DAT to the IDs used in PROFILS.DAT. Possible Problems & Solution ENVI-met reports Soil XX referenced in Profile YY is not defined in SOILS.DAT The soil is either really missing in the SOILS.DAT Database or the ID used in the profile is different. text/html 2017-11-10T09:09:11+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=main_data_files&rev=1510301351&do=diff Main Data Files (EDI./EDT) Files using the .EDI/.EDT file extension are binary files and must be read using the XTract-Tool which is shipped with the ENVI-met distribution or with the software package LEONARDO (see website UNCONVERTED WINHELP MACRO:! ExecFile text/html 2017-11-10T09:09:11+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=main_file_atmosphere_atm&rev=1510301351&do=diff Main File Atmosphere (_ATM_) This section describes the different data field stored in the main file for the atmosphere (..._AT_...). The data stored in the .EDT files are in binary format and can be extracted using LEONARDO or XTract. <-- please scale window for correct formatting ! text/html 2017-11-10T09:09:11+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=main_file_soil_soi&rev=1510301351&do=diff Main File Soil (_SOI_) This section describes the different data field stored in the main file for the soil model (..._SOI_...). The first z-level is the uppermost soil layer progressing forward into the deeper soil layers. The data stored in the .EDT files are in binary format and can be extracted using LEONARDO or XTract. text/html 2017-11-10T09:09:11+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=main_file_surface_flux_flx&rev=1510301351&do=diff Main File Surface/Flux (_FLX_) This section describes the different data field stored in the main file for the surface and fluxes at the surface (..._FLX_...). This file is only two-dimensional with a constant z=0. The data stored in the .EDT files are in binary format and can be extracted using LEONARDO or XTract. text/html 2017-11-10T09:09:11+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=main_loop&rev=1510301351&do=diff Main Loop * Set Main Time Step according to Solar Height * Update DEM Diastrophy * Updating Radiative Fluxes * Calculate or Update Wind Field * Update Model * 1D and 3D Atmospheric Data * Soil Model - Temperature and Water * Surfaces - Temperature and Humidity * Update Plant Physiology * Update Sources Emissions * Write Output Files * Visualisation of ENVI-met Results using LEONARDO * Data Flow - Graphical Overview text/html 2017-11-10T09:09:11+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=memory_setup&rev=1510301351&do=diff Memory Setup Prepares the memory for the simulation. Might take some time. Possible Problems & Solution The computer seems to freeze, memory setup takes a long time Maybe you do not have enough physical memory (=memory bars) in your computer. Check the memory requirements: text/html 2017-11-10T09:09:11+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=meteorology_location&rev=1510301351&do=diff Meteorology / Location Panel Shows all relevant information about the meteorological data and the selected location. Basic Meteorology Wind Speed and Direction, Initial Temperature Atmosphere, Specific Humidity and Relative Humidity Values are given in the text/html 2017-11-10T09:09:11+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=minimize_checkbox&rev=1510301351&do=diff Option Minimize Interface Select this option to minimize the ENVI-met interface during the simulation run. Only the main status bars will be visible then until the simulation is finished. text/html 2017-11-10T09:09:11+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=model_environment&rev=1510301351&do=diff Control Panel: Model Environment The Model Environment control panel is used for the two first steps in running the model: * Load a predefined Main The Configuration File .CF - Overview * View and edit the Area Input File and/or the Main The Configuration File .CF - Overview ENVI-met supports the use of alias to facilitate the program handling. text/html 2017-11-10T09:09:11+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=nestingarea&rev=1510301351&do=diff [NESTINGAREA] Section Purpose In addition to the “normal” model area as defined in the Area Input File, ENVI-met creates an area of nesting grids around the core model in order to move the model boundary away from the area of interest and to minimise undesired boundary effects. text/html 2017-11-10T09:09:11+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=one-dimensional_model&rev=1510301351&do=diff One-Dimensional Model The 1D model extends from the ground surface up to 2500 m height. It provides the values for the top of the 3D model and, if a forced Lateral Boundary Condition is chosen, the inflow profile for the 3D model. text/html 2017-11-10T09:09:11+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=other_files&rev=1510301351&do=diff Other Files * Defining Alias MYALIAS.DAT text/html 2017-11-10T09:09:11+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=other_things&rev=1510301351&do=diff Other Things * Create Grid * Prepare Output Files text/html 2017-11-10T09:09:11+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=output_files_overview&rev=1510301351&do=diff Output Files generated by ENVI-met ENVI-met generates heaps of data for every simulation. To navigate through the enormous amount of bytes, you'll may need different programs for assistance. Some of the output files are simple ASCII-files which can be read by your favourite software, whatever it might be. Others, mainly the main output files are binary files that must be read with the program text/html 2017-11-10T09:09:11+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=output_files&rev=1510301351&do=diff Output Files * Overview * Main Data Files (EDI./EDT) * Atmosphere (_ATM_) * Surface/Fluxes (_FLX_) * Soil (_SOI_) * Receptor Files * Receptor Files: File Structure * Atmospheric Receptor File: Data * Surface/Flux Receptor File: Data * Soil Receptor File Data * 1D-Model Files * BOTworld Files text/html 2017-11-10T09:09:11+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=output_folders&rev=1510301351&do=diff Output Folders ENVI-met organises the output into different folders in order to keep the data structure more clear: \..\atmosphere: Main Data Atmosphere (_AT_...) \..\soil: Main Data Soil (_SO_) \..\surface: Main Data Surface/Fluxes (_FX_) \..\log: Text Outputs from the Model (logs) \..\receptors\..: Data at the different receptors in the domain (one folder for each receptor) \..\inflow: 1D Profile at the inflow boundary \..\BOT… text/html 2017-11-10T09:09:11+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=output_options&rev=1510301351&do=diff Output Options Panel This panel summarises the different output settings for the actual simulation. Filenames and Destinations Gives an overview on the location, name and timing of the Output Files. (Used alias will be shown in explicit form here.) Press “Show active alias text/html 2017-11-10T09:09:11+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=overview_envi-met&rev=1510301351&do=diff Overview over ENVI-met This manual helps you to find your way through the new version of the microscale climate model. The Interface Who-is-who on the ENVI-met interface Graphical overview over the data flow Gives you an impression how the different files in ENVI-met work together text/html 2017-11-10T09:09:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=overview_model_run&rev=1510301352&do=diff Overview Model Run The following section gives an overview of the different steps executed in the model. It is a good help to determinate the locations of errors and problems in the model run. Technical Model Start Initial Work * Initial Data Setup * Memory Setup * Creating Directory Tree Database Setup text/html 2017-11-10T09:09:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=plant_database_plants.dat&rev=1510301352&do=diff Plant Database PLANTS.DAT Introduction Plants are more than just porous wind shelters in ENVI-met. The model allows to define any plant from small grass up to huge trees using the same database scheme. The main database PLANTS.DAT is stored in the text/html 2017-11-10T09:09:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=plant_model&rev=1510301352&do=diff Plant Properties Panel Summarises the settings for the plant model. Global Input File Plant Data Path to the main plant database (default PLANTS.DAT). Defined in the main section of the The Configuration File .CF - Overview. Additional Plant Data in Path to an additional database containing more plants for this simulation. text/html 2017-11-10T09:09:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=plantmodel&rev=1510301352&do=diff [PLANTMODEL] Section Purpose To calculate the transpiration of plants, it is necessary to know the actual stomata resistance. The stomata are active components of the plant system and react on environmental impacts such as solar input, air temperature and water availability in the soil. text/html 2025-06-25T09:42:59+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=plugins&rev=1750837379&do=diff ENVI-met Plugin Overview Explore the full potential of your environmental simulations with our collection of ENVI-met plug-ins and tutorials. Enhance your projects with specialised tools and step-by-step guides designed to streamline your workflow and maximise efficiency. text/html 2017-11-10T09:09:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=pmv&rev=1510301352&do=diff [PMV] Section Purpose Besides of calculating pure meteorological data, ENVI-met also includes a simple biometeorological model to predict the thermal comfort inside the model area. The PMV (predicted mean vote) model is probably the best know biomet model. Based on Fangers (1972) model, it relates the energy balance of the human body to the personal comfort feeling of persons exposed to the corresponding climates. text/html 2017-11-10T09:09:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=prepare_output_files&rev=1510301352&do=diff Prepare Output Files Creates the base for the Output Files. Possible Problems & Solution No known problems. text/html 2018-06-11T08:43:41+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=privacy&rev=1528699421&do=diff Privacy Statement Welcome to our website. This page contains information about how we process your personal data when you visit this website. 1. Name and address of data controller This website is operated by ENVI_MET GmbH (also “ENVI_MET”, “we” or “us”), who are also solely responsible for any data processing operations performed in connection with your visit, unless otherwise specified below. text/html 2020-12-01T13:54:59+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=qplus&rev=1606827299&do=diff Literatur Q-Plus Level 1: Stadtgrün und Stadtklima Anwendung von mikroskaligen Modellen in der Stadtplanung Stadtklimatologie Hitzewellen in großen Städten Level 2: Wind Risk und Stadtbäume text/html 2017-11-10T09:09:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=range_limiting&rev=1510301352&do=diff Range Limiting Using the TKE system can result in an unrealistic accumulation of Turbulent Kinetic Energy in the higher levels of the atmosphere, where the dissipative forces are low. To avoid this problem, a lower limit of the dissipation rate e has been introduced in ENVI-met for the text/html 2017-11-10T09:09:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=read_plants.dat_local_plants&rev=1510301352&do=diff Read PLANTS.DAT + Local Database Opens the global database PLANTS.DAT and, if specified, the additional local database for plants. If PLANTS.DAT is missing or the specification in the main section of the Main The Configuration File .CF - Overview is left empty, plants will be skipped. The maximum amount of plants is 150 in total (Global+Local Database). text/html 2017-11-10T09:09:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=read_soils.dat_profils.dat&rev=1510301352&do=diff Read SOILS.DAT/PROFILS.DAT Opens the global database SOILS.DAT for soils. Must be in the [INPUT] sub folder of the program. The maximum amount of soils is 50 and of profiles is 150. Possible Problems & Solution Cannot read the File Make sure that the file exists and that its format matches text/html 2017-11-10T09:09:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=read_sources.dat_local_sources&rev=1510301352&do=diff Read SOURCES.DAT + Local Sources Opens the Global Database SOURCES.DAT and, if specified, the additional Local Database. The maximum amount of sources is 150 in total (Global+Local Database). Possible Problems & Solution Cannot open the Database Make sure that it exists and that it is readable. text/html 2017-11-10T09:09:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=receptor_files&rev=1510301352&do=diff Receptor Files General Overview The third important file group are the Receptor Files showing the state of the atmosphere, the surface and of the soil at selected points inside the model. This section lists the different variables stored in the Receptor Files. text/html 2017-11-10T09:09:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=receptor_section&rev=1510301352&do=diff Additional Optional Sections: Receptors Receptors inside the model area are defined using the \RECEPTOR section. The concept is the same as for the plants explained in the section before. Each receptor is defined by a unique two-char ID. If duplicate receptors are found, the first defined receptor is used, the others are ignored. For more information about receptors click text/html 2017-11-10T09:09:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=receptors&rev=1510301352&do=diff [RECEPTORS] Section Purpose Receptors are selected points inside the model area, where processes in the atmosphere and the soil are monitored in detail. For more information about the data stored in the receptor files, look here. Defining receptors in ENVI-met works in two ways: You can define receptors inside the model area input file (*add link*) as well as in the .CN file. Although both methods have their strengths, defining receptors in the .CF File is basically kept for compatibility r… text/html 2017-11-10T09:09:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=relaxation&rev=1510301352&do=diff Relaxation To avoid numerical oscillations during the initialisation phase, ENVI-met can “relax” the results of the TKE-e equation system. This means that the new results of the equation are only partly used to obtain the solution. The principle mathematical formulation is text/html 2017-11-10T09:09:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=remark_1_flux&rev=1510301352&do=diff Remark 1 - Received Longwave Radiation The absorbed longwave radiation is calculated using the following rules: * The portion of the visible sky is calculated as sky-view factor (SVF, 1= full sky is visible). Only buildings are counted in the SVF. text/html 2017-11-10T09:09:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=remark_1&rev=1510301352&do=diff Remark 1 - ClassLAD The classed LAD info is mainly used for visualisation purposes. The LAD is grouped into 5 classes with an individual ID. The grouping is as follows: Class 1: LAD 0 to <0.5 m²/m³ ID: 11 Class 2: LAD 0.5 to <1.0 m²/m³ ID: 12 Class 3: LAD 1.0 to <1.5 m²/m³ ID: 13 Class 4: LAD 1.5 to <2.0 m²/m³ ID: 14 Class 2: LAD above 2.0 m²/m³ ID: 15 text/html 2017-11-10T09:09:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=remark_2_flux&rev=1510301352&do=diff Remark 2 - Shortwave Albedo The shortwave albedo for natural soils (unsealed soils) and water is calculated inside ENVI-met using the soil wetness and the sun elevation angle respectively. You can set these value to “0.00” in the database. For soil profiles with a sealed soil at the uppermost layer, you must enter a valid albedo in the database. text/html 2017-11-10T09:09:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=remark_2&rev=1510301352&do=diff Remark 2 - Change of Air Temperature The change of temperature is calculated between the temperature at the last time of saving and the actual temperature (e.g. if your save interval is 60min, the change at 1400 is calculated using the 1300 value). text/html 2017-11-10T09:09:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=remark_3&rev=1510301352&do=diff Remark 3 - Direct Shortwave Radiation The value of the Direct Shortwave Radiation is given as the maximum possible value including shading effects but NOT including the inclination and exposition of the surface. For the Diffuse and Reflected Shortwave Radiation text/html 2017-11-10T09:09:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=remark_4&rev=1510301352&do=diff Remark 4 - Flux per Unit Leaf Area All Fluxes are given per Leaf Area Unit (m²). To get the Absolute Energy Flux, multiply by the Leaf Area Density. Fluxes given in Energy: W/m² per Leaf Area Unit multiplied by LAD [m²/m³] = W/m³ (Flux per Volume) text/html 2017-11-10T09:09:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=remark_5&rev=1510301352&do=diff Remark 5 - Deposed Mass “Mass” refers to both particles and gases. text/html 2017-11-10T09:09:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=remark&rev=1510301352&do=diff Remark - Relative Soil Wetness The relative soil wetness is defined in relation to the saturation value. A relative wetness of 100% means that the saturation value is reached, NOT that the soil contains 100% water. text/html 2017-11-10T09:09:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=run_model&rev=1510301352&do=diff Control Panel: Run Model Use this panel to start a simulation of your actual model configuration or to start a batch file with several model configurations. Press Start this Model (the caption will change according to the actual configuration) to start the model run. text/html 2017-11-10T09:09:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=sections&rev=1510301352&do=diff Section Overview * [BUILDING] Section * [CLOUDS]-Section * [LBC-TYPES] Section * [LOCALDB] * [NESTINGAREA] Section * [PLANTMODEL] Section * [PMV] Section * [RECEPTORS] Section * [SOILDATA] Section * [SOLARADJUST] Section * [SOURCES] Section * [TIMESTEPS] Section * [TIMING] Section * [TURBULENCE] Section text/html 2017-11-10T09:09:13+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=set_main_time_step&rev=1510301353&do=diff Set Main Time Step according to Solar Height To increase the numerical stability of ENVI-met it is recommended that you use smaller time steps than the default 10 sec during the time of high energy fluxes. As the intensity of turbulent processes is directly related to the solar radiation, the selection of time steps is coupled to the solar height. text/html 2017-11-10T09:09:13+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=simulation_files_setup&rev=1510301353&do=diff Simulation Files Setup * Read Area Input File * Collect Receptors, Remove Invalid Receptors text/html 2017-11-10T09:09:13+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=simulation_timing&rev=1510301353&do=diff Simulation Timing Panel This panel summarises the different timing options in the recent simulation. Start and Duration Shows start date, time and total simulation time in hours as defined in the The Configuration File .CF - Overview. Time Step Management Displays the sun height for changing the main time step and the assigned time steps. text/html 2017-11-10T09:09:13+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=soil_database_soils.dat&rev=1510301353&do=diff Soil Database SOILS.DAT * defines soil material In this file, all information about different natural soils and seal materials are stored. Each material has its own two-letter ID which is then used in the PROFILS.DAT database to define different vertical soil profiles. text/html 2017-11-10T09:09:13+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=soil_model_-_temperature_and_water&rev=1510301353&do=diff Soil Model - Temperature and Water Calculates the temperature and water distribution in the The Soil Model. Possible Problems & Solution No known problems. (Problems appearing in the soil model are normally originated by problems in the atmosphere. The soil model is not very sensible.) text/html 2017-11-10T09:09:13+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=soil_model&rev=1510301353&do=diff The Soil Model The soil model extends down to 2 m depth where the values for temperate and humidity are assumed to be constant over the simulation time. The variables calculated in the soil model are the soil temperature and the soil water content. text/html 2017-11-10T09:09:13+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=soil_properties&rev=1510301353&do=diff Soil Properties Panel Displays initial profile settings for the soil temperature and humidity. All data is defined in the [SOILDATA] Section of the The Configuration File .CF - Overview. text/html 2021-07-26T21:05:48+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=soildata&rev=1627326348&do=diff [SOILDATA] Section Purpose This sections sets the initial temperature and humidity profile for the soil and the surfaces in the model. The temperature and the humidity settings are divided into 3 layers. 00: [SOILDATA] _______________________Settings for Soil 01: Initial Temperature Upper Layer (0-20 cm) [K]=293 02: Initial Temperature Middle Layer (20-50 cm) [K]=293 03: Initial Temperature Deep Layer (below 50 cm)[K]=293 04: Relative Humidity Upper Layer (0-20 cm) =50 05: Relative… text/html 2017-11-10T09:09:13+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=soils&rev=1510301353&do=diff 5. Main Section: Soils For every grid in the area, a soil profile and surface material can be chosen individually. There are two ways to provide this information: Case A: Each grid in the domain has the same soil profile In this case no individual information is needed for each single grid point. text/html 2017-11-10T09:09:13+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=solaradjust&rev=1510301353&do=diff [SOLARADJUST] Section Preview Solar RadiationBasic Meteorology Purpose Solar adjustment is a new feature of ENVI-met 3.1. It allows to adjust the shortwave solar radiation calculated by ENVI-met to your situation. For certain locations it might be the case that the solar energy fluxes estimated by the internal methods of ENVI-met are systematically too high or too low. In this case, you can adjust these values from 50% to 150% of the value calculated by ENVI-met. text/html 2017-11-10T09:09:13+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=sources_database_sources.dat&rev=1510301353&do=diff Sources Database SOURCES.DAT local databases (.CF file) Introduction ENVI-met allows to simulate the release and dispersion of gases and particles. To used this option, you must add Sources to the Area Input File. At the moment, all sources in the model must be of the same type, e.g. they all have to be S02 sources. You cannot have for example one SO text/html 2017-11-10T09:09:13+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=sources_model&rev=1510301353&do=diff Sources Properties Panel Displays the settings for the sources in the model. Please note, that all sources in the model are of the same type (component). Additional Sources Def. in Path to the local database containing additional sources definition for this simulation. text/html 2017-11-10T09:09:13+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=sources_section&rev=1510301353&do=diff Additional Optional Sections: Sources The Sources section begins with the keyword \SOURCES followed by the complete grid matrix like in the \PLANTS section. This section defines the position of different sources in the model domain. As the concept is the same as for plants, this section is not displayed here. text/html 2017-11-10T09:09:13+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=sources&rev=1510301353&do=diff [SOURCES] Section Purpose Sources are the most complex input data in ENVI-met as the following information must be provided: * Location of the sources * Emission rate * Type of emitted component The location of the sources is defined in the Area Input File and their emission rates and heights are defined in the database text/html 2025-05-06T10:01:06+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=start&rev=1746518466&do=diff Technical Model Webpage Welcome to the technical documentation page of ENVI-met. Here you will find almost all required detail information on the model architecture, file formats and much more. start Start General start page and overview about everything. Links to the different topics. text/html 2017-11-10T09:09:13+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=step_2_-_using_the_datanavigator&rev=1510301353&do=diff Using the DataNavigator LEONARDO includes a special interface to ENVI-met data files which allows a simple navigation through the data. This interface is called DataNavigator. Start the DataNavigator by selecting menu entry “Tools | DataNavigator text/html 2017-11-10T09:09:13+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=step_3_-_fine-tuning_the_map&rev=1510301353&do=diff Fine-Tuning the Map In this section you will see, how you can adjust the map to your personal needs. To have access to the different properties of the map layer, open the “Settings 2D”-Dialog in LEONARDO. This dialog is composed of several pages, each dealing with a certain aspect of the map or defining the settings of a specific map layer: text/html 2017-11-10T09:09:13+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=surface_flux_receptor_file_data&rev=1510301353&do=diff Surface/Flux Receptor File: Data This section describes the different data field found in the surface/flux receptor files. Only time series files will be produced for the surface data (see Receptor Files). Data contained in the surface receptor files: FIELD text/html 2017-11-10T09:09:13+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=surfaces_-_temperature_and_humidity&rev=1510301353&do=diff Surfaces - Temperature and Humidity Calculates the surface temperature and humidity at the soil surface and at walls and roofs. Possible Problems & Solution The facade or roof temperature exceed the range from 270 to 400 K and was reset to 293 K. text/html 2017-11-10T09:09:13+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=test_model&rev=1510301353&do=diff Control Panel: Test Model The Test Model control panel is designed to test your actual model configuration or some external Area Input File without actually starting the main model run. Press Test Model Configuration (the caption will change according to the actual configuration file) to test and link all text/html 2024-03-07T09:11:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=timesteps&rev=1709799070&do=diff [TIMESTEPS] Section Purpose In former versions, the main time step was fixed to 10s. It has turned out that this time step can be too large for certain cases which causes troubles in form of numerical instabilities. Therefore, ENVI-met provides now a dynamic adaptation of the main time step. The criteria for time step selection is the height of the sun. text/html 2017-11-10T09:09:13+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=timing&rev=1510301353&do=diff [TIMING] Section Purpose The model offers the possibility to change different timing settings for processes that are not calculated for each time step. You should not use larger intervals than the default values. ENVI-met will check the time steps and give error messages if problems exists. These errors must be taken seriously. text/html 2021-07-26T21:06:58+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=topbar&rev=1627326418&do=diff  * News * DownloadCenter * ENVI-met * Other Items * Applications * HeadQuarter * Spaces * ENVI-met Simulation Core * LEONARDO 2014 * BioMet * DBManager * Albero * ProjectWizard * EagleEye * Documentation * Overview Model Architecture * Knowledgebase * ENVI-met eLibrary * External Review papers * my eBook * Online Help Version 3.1 * Forum * →Home text/html 2017-11-10T09:09:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=turbulence&rev=1510301354&do=diff [TURBULENCE] Section Purpose This section interacts with the internal turbulence model. ENVI-met allows you to select between the prognostic 1.5order E-Epsilon closure model (default) and the diagnostic 1st order mixing length model. Problems with the E-Epsilon model from former versions are mainly resolved, so that the usage of the 1.5order closure model is highly recommended. text/html 2017-11-10T09:09:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=two-step_calculation_loops_initialisation&rev=1510301354&do=diff Two-Step Calculation Loops (Initialisation) During initialisation, only the TKE and the e equation are iteratively solved without a feedback to Km. After both equations have become stable, the Km feedback is introduced into the system. This method reduces the risk of numerical oscillations during the sensible initialisation phase. text/html 2017-11-10T09:09:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=update_dem_diastrophy&rev=1510301354&do=diff Update DEM Diastrophy During the diastrophy phase the topography is slowly “blown up” at this point. Possible Problems & Solution This feature is not yet used in ENVI-met. text/html 2017-11-10T09:09:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=update_radiative_fluxes&rev=1510301354&do=diff Updating Radiative Fluxes Updates all radiative fluxes depending on solar height and temperature/vapour distribution in the model. Possible Problems & Solution No known problems. text/html 2017-11-10T09:09:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=update_sources_emissions&rev=1510301354&do=diff Update Sources Emissions Re-calculates the emission rate of the pollutant sources in the model. Possible Problems & Solution Drastic jumps in the emission rate can trigger numerical oscillations in the atmospheric pollutant distribution. See also here. text/html 2017-11-10T09:09:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=using_leonardo&rev=1510301354&do=diff This Tutorial relates to LEONARDO 3.x which is outdated. It will be updated to LEONARDO 2012 step-by-step Visualisation of ENVI-met Results using LEONARDO Introduction This document describes how to visualise ENVI-met binary result files (.EDI/.EDT) using LEONARDO 3.0. text/html 2017-11-10T09:09:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=vector_layer&rev=1510301354&do=diff Vector Layer The vector layer in LEONARDO supports a huge number of options to generate a nice-looking representation of the wind flow in the model domain. * Adjust Vector Scale In order to draw the vector arrows in the right size, they must be scaled to the grid point size. Open the vector settings page by clicking on the Vector Layer-Tab. text/html 2017-11-10T09:09:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=visualisation_of_envi-met_results_with_leonardo&rev=1510301354&do=diff Visualisation of ENVI-met Results using LEONARDO A brief introduction... Click here to start. text/html 2017-11-10T09:09:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=wind_field_diastrophy&rev=1510301354&do=diff Wind Field Diastrophy The purpose of the Wind Field Diastrophy is to progress slowly from an undisturbed flow in the model area to a flow around the structure. To obtain this the buildings are made “solid” in 3 steps: In the first step (100%), the wind speed at the facades equals the free flow velocity, in the second (50%) it is half the free stream velocity and in the final step (0%) the wind speed is zero at the building walls which is the normal condition. text/html 2017-11-10T09:09:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://analytics.envi-met.com/hg2e/doku.php?id=write_output_files&rev=1510301354&do=diff Write Output Files Writes a complete set of Output Files if the save interval is reached. Possible Problems & Solution No known problems.