SMS:CMS-Wave Model Control: Difference between revisions

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[[Image:CMS-Wave Model Control.jpg|thumb|400 px|''CMS-Wave Model Control'' dialog]]
The '''Model Control…''' command in the ''CMS-Wave'' Menu opens the ''CMS-Wave Model Control'' dialog. This dialog is divided into sections for different types of parameters which are used by the model as it runs. These include:
The '''Model Control…''' command in the ''CMS-Wave'' Menu opens the ''CMS-Wave Model Control'' dialog. This dialog is divided into sections for different types of parameters which are used by the model as it runs. These include:
==Parameters==
[[File:CMS-Wave MC Paramters.png|thumb|400 px|The ''Parameters'' tab of the ''CMS-Wave Model Control'' dialog]]
The ''Parameters'' tab of the CMS-Wave ''Model Control'' dialog contains the following options:
*''CMSWAVE plane mode'' – Select the plane mode for the project.
***"Half plane" – Appropriate for nearshore coastal applications allowing wave input and generation on two boundaries resulting in a faster run-time.
***"Full plane" – Used with enclosed or semi-enclosed bays, estuaries, and lakes where there is no clear “offshore” direction and seas and swells may oppose each other. Allows wave input and generation on all four boundaries.
***"Full plane with input reverse spectra" – This option allows spectral input to be used on two opposite boundaries.
*''Source terms'' – This option is used to generate waves using wind input.
**"Source terms and propagation" –  Uses wind input if provided.
**"Propagation only" – Neglects wind input in calculation.
*''Current interaction'' – Option to define currents for the simulation.
**"None" – No current interaction will be in the simulation.
**"Use dataset" – A vector dataset can be used to define the currents for the simulation. Click '''Select''' to select from the dataset options in a dialog.
*''Current interaction'' – Option to define currents for the simulation.
**"None" – No current interaction will be in the simulation.
**"Use dataset" – A vector dataset can be used to define the currents for the simulation.
*''Bottom friction'' – This option allows defining friction for the ocean bottom.
**"None" – No bottom friction is applied to the simulation.
**"Darcy-Weisbach constant" – Set a constant value to use the Darcy-Weisbach method for bottom friction.
**"Darcy-Weisbach dataset" – Select a dataset in the project to use the Darcy-Weisbach method for bottom friction.
**"Manning constant" – Set a constant value to use as the Manning's n value.
**"Manning dataset" – Select a dataset in the project to use the Darcy-Weisbach method for bottom friction.
*''Surge fields'' – Option to set surge field values.
**"None" – No surge field values will be used in the simulation.
**"Constant Value" – Set a constant value for surge fields used in the simulation.
**"Use dataset" – Select a dataset in the project to define surge fields in the simulation.
*''Wind fields'' – This option requires the ''Source terms'' be set to use "Source terms and propagation".
**"Constant value" – Use a constant value for wind fields included in the simulation.
**"Use dataset" – Use a dataset in the project to define wind fields in the simulation.
**''Limit wave inflation for wind >= 50 m/sec'' – When turned on, the wave inflation for wind will be limited.
*''Matrix Solver'' – Select the matrix solver used in the simulation.
**"Gauss-Seidel" – Sets matrix solver to Gauss-Seidel solver with multi-processor capability.
***''Number of threads'' – Set number of threads to use with the multi-processor.
**"ADI" – Sets matrix solver to Alternative Direction Iterative solver.
<!--
*''Water Level'' &ndash; A constant value or a scalar dataset can be used to define the water level for the simulation. If “constant” is selected, the constant value will be defined in the ''CMS-Wave Case Definition'' dialog for each case.
-->
==Boundary Control==
The ''Boundary control'' tab contains options for assigning spectral data for the model run.
*''Source'' &ndash; Select the source for the external boundary conditions
**"Spectral Coverage" &ndash; Uses the spectral coverage in the simulation for all boundary conditions.
**"None" &ndash; Requires that energy spectra be entered.
*''Interpolation Type'' &ndash; Sets the interpolation method to use when interpolating between spectra.
***"Average spectra" &ndash; Interpolation will use averaged spectra values.
***"IDW interpolation" &ndash; Sets the type of data interpolation to Inverse Distance Weighting.
*''Computational Spectral Grid'' &ndash; Adjust and view data related to the computational spectral grid.
**''Frequency Distribution'' &ndash; Adjust the Frequency Distribution settings for the computational spectral grid.
***''Number'' &ndash; Adjust the number of frequency bands.
***''Delta'' &ndash; Adjust the step size in Hz.
***''Minimum'' &ndash; Adjust the minimum frequency in Hz.
**''Angle Distribution'' &ndash; View the Angle Distribution settings for the computational spectral grid.
***''Number'' &ndash; View the number of angle bands.
***''Delta'' &ndash; View the  step size in degrees.
***''Minimum'' &ndash; View the minimum angle in degrees.
*''Sides'' &ndash; Specified when using a spectral coverage source. The types of boundary conditions include:
** "Specified spectrum" &ndash; Click '''Select''' to the right to open a dialog box to assign the spectral coverage to the boundary.
** "Zero spectrum" &ndash; The boundary doesn't have any spectral energy applied.
** "Open lateral boundary" &ndash;
*''Case data'' &ndash; Defines the time step or cases that will be used and the input boundary conditions for each.
**''Wind direction angle convention'' &ndash; Set the convention for the wind direction field for the model.
***"Cartesian" &ndash; The direction FROM. The origin (0.0) indicates the direction is coming from North. It increases clockwise from North (viewed from above). This is most commonly used for wind direction.
***"Meterologic" &ndash; The direction TO. The origin (0.0) indicates the direction is going to the North. It increases clockwise (like a bearing) so 45 degrees indicates a direction heading towards the North East.
***"Oceanographic" &ndash; The Cartesian coordinate axes as a direction TO.  East, or the positive X axis, defines the zero direction. It increases in a counter clockwise direction or righthand rule. 45 degrees indicates a direction heading to the North East and 90 degrees indicates a direction heading to the North.
***"Shore normal" &ndash; "TO" convention based on a Theta(grid) which defines the grid orientation relative to the positive X axis (CCW direction).
**''Populate from Spectra'' &ndash; Click the '''Populate''' button to auto-generate case data in the table below. Data is based on the imported spectral data in the spectral coverage.
**'''Set Reference Time''' &ndash; Click this button to open the ''CMS-Wave Simulation Reference Time'' dialog and adjust the reference time and time units.
***''Reference time'' &ndash; Set the desired Reference time for the simulation.
***''Time units'' &ndash; Sets time units for case data to "days", "hours", or "minutes".
**'''Add Row''' [[File:GMS MODFLOW 6 - Add Row button.png|16 px]] &ndash; Add a row to the case data table.
**'''Delete Row''' [[File:GMS MODFLOW 6 - Delete Rows button.png|16 px]] &ndash; Removes a selected row from the case data table.
**''Time'' &ndash; The time offset value  representing how much later the time is than the specified reference time. Hence, if 5 is entered for the time offset, and the time units is hours, then it is the case of 5 hours later. When nesting is used, the case ids, and the number of cases, will be determined by the parent simulation.
**''Wind Direction'' &ndash; Available if "Constant value" has been selected on the ''Parameters" tab.
**''Wind Magnitude'' &ndash; Available if "Constant value" has been selected on the ''Parameters" tab.
**''Water Level'' &ndash; Available if "Constant value" has been selected on the ''Parameters" tab.
<!--*''Spectra''
**''Source'':
***"Spatially Varied" &ndash; this option uses a spectral coverage with spectral data defined at one or more locations. The spectral coverage is assigned to the model in the ''CMS-Wave Case Definition'' dialog.
***"Parent Grid" &ndash; Nesting output from a parent grid will be used to drive the simulation. The parent grid is specified by clicking on the '''Select…''' button and selecting the desired grid. The spectral grid to be used for the simulation will match the spectral grid for the parent simulation.
**''Interpolation Type'' &ndash; sets the method for STWAVE to use when interpolating between spectra.
***"Average spectra"
***"IDW interpolation" &ndash; Inverse Distance Weighting
**''Spectral Grid''
**''Create Nesting Points'' &ndash; if the ''From parent grid'' source option is selected and a parent grid has been specified, clicking on this button will allow specifying which points should be used from the parent grid for creating the nesting file.
*''Wind'' &ndash; a constant value or a vector dataset can be used to define the wind for the simulation. If constant is selected, the wind direction and magnitude will be specified in the ''CMS-Wave Case Definition'' dialog for each case.
*''Define Cases''
-->
==Output Control==
The ''Output control'' tab contains additional options for outputting results from the CMS-Wave model run.
*''Limit observation output'' &ndash; When checked on, turns off all output for observation cells except information in SELHT file.
*''Radiation Stresses'' &ndash; Turns on wave radiation stresses calculations for the simulation. Generates a [[SMS:CMS-Wave Radiation Stress File|wave radiation stress file]] with spatially varied data.
*''Breaking type'' &ndash; Option to generate wave breaking data resulting in a [[SMS:CMS-Wave Wave Breaking File|wave breaking file]] with spatially varied data.
**"None" &ndash; Wave breaking file type will not be produced.
**"Write indices" &ndash; Select for output of wave breaking indices.
**"Calculate energy dissipation" &ndash; Select for output of dataset of energy dissipation fluxes.
==Options==
The ''Options'' tab contains the following options:
*''Allow wetting and drying'' &ndash; Allows fluctuation of cells between wet and dry depending on threshold flow depth at the cell center.
*''Infragravity wave effect'' &ndash; Sets the model to include infra-gravity wave effect.
*''Diffraction intensity'' &ndash; Sets the diffraction intensity for the model. Use 0 for no diffraction. Use 4 for strong diffraction.
*''Nonlinear wave effect'' &ndash; Sets the model to include computation for non-linear wave-wave interaction.
*''Run up'' &ndash; Sets the model to include computation for wave runup, which is the maximum shoreward wave swash on the beach face for engineering structures.
*''Fast-mode run'' &ndash; Turn on fast-mode simulation for wave generation and propagation.
*''Roller effects'' &ndash; Sets wave roller intensity factor. Use "None" for no effect. Use "100%" for strong effect.
*''Forward reflection'' &ndash; A constant value for the entire simulation or spatially varying data using a scalar dataset can be used to define the forward reflection for the model.
**"None" &ndash; Forward reflection will not be represented in the model.
**"Constant" &ndash; Forward reflection will be defined by a constant value for the entire simulation.
**"Use dataset" &ndash; Forward reflection will be defined by a scalar dataset with spatially varying data for the simulation. '''Select''' appears next to it. This button brings up a data tee that allows for selecting the desired dataset.
*''Backward reflection'' &ndash; A constant value for the entire simulation or spatially varying data using a scalar dataset can be used to define the backward reflection for the model.
**"None" &ndash; Backward reflection will not be represented in the model.
**"Constant" &ndash; Backward reflection will be defined by a constant value for the entire simulation.
**"Use dataset" &ndash; Backward reflection will be defined by a scalar dataset with spatially varying data for the simulation.  '''Select''' appears next to it. This button brings up a data tee that allows for selecting the desired dataset.
*''Muddy bed'' &ndash; If desired, spatially varying data using a scalar dataset can be used to calculate wave dissipation over muddy bed for the model.
**"None" &ndash; Turns off calculating for wave dissipation over muddy bed.
**"Use dataset" &ndash; Define the scalar dataset to be used to calculate wave dissipation over muddy bed for the model. '''Select''' appears next to it. This button brings up a data tee that allows for selecting the desired dataset.
*''Wave breaking formula'' &ndash; Sets the formula for wave breaking used in the simulation.
**"Extended Goda" &ndash; Sets wave breaking formula to "Extended Goda".
**"Extended Miche" &ndash; Sets wave breaking formula to "Extended Miche".
**"Battjes and Jannsen 1978" &ndash; Sets wave breaking formula to "Battjes and Jannsen 1978". For this formula, Gamma value definition <!--possibly Spectral peak dispersion factor--> is required.
**"Chawla and Kirby" &ndash; Sets wave breaking formula to "Chawla and Kirby".
**"Battjes and Jannsen 2007" &ndash; Sets wave breaking formula to "Battjes and Jannsen 2007".
**"Miche Original" &ndash; Sets wave breaking formula to "Miche Original".
**"Lifting breaking" &ndash; Sets wave breaking formula to "Lifting breaking".
*''Date format'' &ndash; Select the type of date format preferred.
***"8 digits" &ndash; Sets date format to 8 digit format.
***"12 digits" &ndash; Sets date format to 12 digit format.
<!--Here specify the format for SMS to write out the input datasets. They can be written in either ASCII or XMDF format.
* Bed friction
*Allow wetting and drying
*Infragravity wave effect
*Diffraction intensity
*Forward reflection &ndash; A constant value for the entire simulation or spatially varying data using a scalar dataset can be used to define the forward reflection for the model.
*Backward reflection &ndash; A constant value for the entire simulation or spatially varying data using a scalar dataset can be used to define the backward reflection for the model.
*Muddy bed &ndash; Spatially varying data using a scalar dataset can be used to define the muddy bed (values??) for the model.
*Non-linear wave effect
*Run up
*Quick mode
-->
<!--Obsolete
[[File:CMSWaveModelControl.png|thumb|600 px|''CMS-Wave Model Control'' dialog]]
The '''Model Control…''' command in the ''CMS-Wave'' Menu opens the ''CMS-Wave Model Control'' dialog. This dialog is divided into sections for different types of parameters which are used by the model as it runs. These include:
==Input Forcing==
*''Currents'' &ndash; A vector dataset can be used to define the currents for the simulation
*''Water Level'' &ndash; A constant value or a scalar dataset can be used to define the water level for the simulation. If “constant” is selected, the constant value will be defined in the ''CMS-Wave Case Definition'' dialog for each case.
*''Spectra''-->
<!--
**''Source'':
***"Spatially Varied" &ndash; this option uses a spectral coverage with spectral data defined at one or more locations. The spectral coverage is assigned to the model in the ''CMS-Wave Case Definition'' dialog.
***"Parent Grid" &ndash; Nesting output from a parent grid will be used to drive the simulation. The parent grid is specified by clicking on the '''Select…''' button and selecting the desired grid. The spectral grid to be used for the simulation will match the spectral grid for the parent simulation.
-->
<!--obsolete
**''Plane Type'' &ndash; this option is only used if the ''Spatially Varied'' source option is selected.
***"Half plane" &ndash; appropriate for nearshore coastal applications allowing wave input and generation on two boundaries resulting in a faster run-time.
***"Full plane" &ndash; used with enclosed or semi-enclosed bays, estuaries, and lakes where there is no clear “offshore” direction and seas and swells may oppose each other. Allows wave input and geration on all four boundaries.
***"Full plane with input reverse spectra" &ndash; this option allows spectral input to be used on two opposite boundaries.
**''Interpolation Type'' &ndash; sets the method for STWAVE to use when interpolating between spectra.
***"Average spectra"
***"IDW interpolation" &ndash; Inverse Distance Weighting
**''Spectral Grid''
**''Create Nesting Points'' &ndash; if the ''From parent grid'' source option is selected and a parent grid has been specified, clicking on this button will allow specifying which points should be used from the parent grid for creating the nesting file.
*''Wind'' &ndash; a constant value or a vector dataset can be used to define the wind for the simulation. If constant is selected, the wind direction and magnitude will be specified in the ''CMS-Wave Case Definition'' dialog for each case.
*''Define Cases''


==Settings==
==Settings==
The settings section is used to specify model input options including:
The settings section is used to specify model input options including:
* Forward reflection
* Bed friction
** Spatially constant (0.0 &ndash; 1.0 range)
* Matrix Solver
** Spatially varied &ndash; select a dataset
**Gauss-Seidel
* Backward reflection
**ADI
** Spatially constant (0.0 &ndash; 1.0 range)
*Allow wetting and drying
** Spatially varied &ndash; select a dataset
*Infragravity wave effect
* Muddy bed
*Diffraction intensity
** None
*Forward reflection &ndash; A constant value for the entire simulation or spatially varying data using a scalar dataset can be used to define the forward reflection for the model.
** Spatially varied &ndash; select a dataset (0.0 &ndash; 0.1 value range, 0.04 recommended)
*Backward reflection &ndash; A constant value for the entire simulation or spatially varying data using a scalar dataset can be used to define the backward reflection for the model.
* Bed friction
*Muddy bed &ndash; Spatially varying data using a scalar dataset can be used to define the muddy bed (values??) for the model.
* Matrix solver
*Non-linear wave effect
* Allow wetting and drying
*Run up
* Nonlinear wave effect
*Quick mode
* Runup
* Infragravity wave effect
* Diffraction intensity
* Currents
* Spatial wind field
** None
** Spatially varied &ndash; select a dataset (values in m/s at 10 m)
* Spectral type
** Half plane
** Full plane
** Full plane with *.spc file
* Dates/Times
 
==Wave Source==
The wave source options include:
* '''Spectra''' &ndash; wave state is specified as a wave spectrum on the boundary and the model propagates the spectra over the domain
* '''Wind''' &ndash; waves are generated from wind energy only
* '''Spectra and wind''' &ndash; a combination of the spectra and wind types are used
* '''Simplified formulation''' &ndash; boundaries are specified in the same manner as "Spectra and wind", but the model uses a simplified formulation internally. This can be used for faster run times, however the results will be less accurate.


==Output==
==Output==
The output section is used to specify optional output from the model including:
This section is used to specify option output from the model. The output includes:
* Radiation stresses
* Radiation stresses
* Sea/Swell
* Sea/Swell
* Total
* Wave Breaking
* Breaking
* ASCII/XMDF format
 


==Input Datasets==
Here specify the format for SMS to write out the input datasets. They can be written in either ASCII or XMDF format.
-->
== Related Topics ==
== Related Topics ==
* [[SMS:CMS-Wave|CMS-Wave]]
* [[SMS:CMS-Wave|CMS-Wave]]
Line 53: Line 207:


[[Category:CMS-Wave|M]]
[[Category:CMS-Wave|M]]
[[Category:SMS Model Control|C]]
[[Category:CMS Dialogs|model]]

Latest revision as of 15:41, 16 August 2022

The Model Control… command in the CMS-Wave Menu opens the CMS-Wave Model Control dialog. This dialog is divided into sections for different types of parameters which are used by the model as it runs. These include:

Parameters

The Parameters tab of the CMS-Wave Model Control dialog

The Parameters tab of the CMS-Wave Model Control dialog contains the following options:

  • CMSWAVE plane mode – Select the plane mode for the project.
      • "Half plane" – Appropriate for nearshore coastal applications allowing wave input and generation on two boundaries resulting in a faster run-time.
      • "Full plane" – Used with enclosed or semi-enclosed bays, estuaries, and lakes where there is no clear “offshore” direction and seas and swells may oppose each other. Allows wave input and generation on all four boundaries.
      • "Full plane with input reverse spectra" – This option allows spectral input to be used on two opposite boundaries.
  • Source terms – This option is used to generate waves using wind input.
    • "Source terms and propagation" – Uses wind input if provided.
    • "Propagation only" – Neglects wind input in calculation.
  • Current interaction – Option to define currents for the simulation.
    • "None" – No current interaction will be in the simulation.
    • "Use dataset" – A vector dataset can be used to define the currents for the simulation. Click Select to select from the dataset options in a dialog.
  • Current interaction – Option to define currents for the simulation.
    • "None" – No current interaction will be in the simulation.
    • "Use dataset" – A vector dataset can be used to define the currents for the simulation.
  • Bottom friction – This option allows defining friction for the ocean bottom.
    • "None" – No bottom friction is applied to the simulation.
    • "Darcy-Weisbach constant" – Set a constant value to use the Darcy-Weisbach method for bottom friction.
    • "Darcy-Weisbach dataset" – Select a dataset in the project to use the Darcy-Weisbach method for bottom friction.
    • "Manning constant" – Set a constant value to use as the Manning's n value.
    • "Manning dataset" – Select a dataset in the project to use the Darcy-Weisbach method for bottom friction.
  • Surge fields – Option to set surge field values.
    • "None" – No surge field values will be used in the simulation.
    • "Constant Value" – Set a constant value for surge fields used in the simulation.
    • "Use dataset" – Select a dataset in the project to define surge fields in the simulation.
  • Wind fields – This option requires the Source terms be set to use "Source terms and propagation".
    • "Constant value" – Use a constant value for wind fields included in the simulation.
    • "Use dataset" – Use a dataset in the project to define wind fields in the simulation.
    • Limit wave inflation for wind >= 50 m/sec – When turned on, the wave inflation for wind will be limited.
  • Matrix Solver – Select the matrix solver used in the simulation.
    • "Gauss-Seidel" – Sets matrix solver to Gauss-Seidel solver with multi-processor capability.
      • Number of threads – Set number of threads to use with the multi-processor.
    • "ADI" – Sets matrix solver to Alternative Direction Iterative solver.

Boundary Control

The Boundary control tab contains options for assigning spectral data for the model run.

  • Source – Select the source for the external boundary conditions
    • "Spectral Coverage" – Uses the spectral coverage in the simulation for all boundary conditions.
    • "None" – Requires that energy spectra be entered.
  • Interpolation Type – Sets the interpolation method to use when interpolating between spectra.
      • "Average spectra" – Interpolation will use averaged spectra values.
      • "IDW interpolation" – Sets the type of data interpolation to Inverse Distance Weighting.
  • Computational Spectral Grid – Adjust and view data related to the computational spectral grid.
    • Frequency Distribution – Adjust the Frequency Distribution settings for the computational spectral grid.
      • Number – Adjust the number of frequency bands.
      • Delta – Adjust the step size in Hz.
      • Minimum – Adjust the minimum frequency in Hz.
    • Angle Distribution – View the Angle Distribution settings for the computational spectral grid.
      • Number – View the number of angle bands.
      • Delta – View the step size in degrees.
      • Minimum – View the minimum angle in degrees.
  • Sides – Specified when using a spectral coverage source. The types of boundary conditions include:
    • "Specified spectrum" – Click Select to the right to open a dialog box to assign the spectral coverage to the boundary.
    • "Zero spectrum" – The boundary doesn't have any spectral energy applied.
    • "Open lateral boundary" –
  • Case data – Defines the time step or cases that will be used and the input boundary conditions for each.
    • Wind direction angle convention – Set the convention for the wind direction field for the model.
      • "Cartesian" – The direction FROM. The origin (0.0) indicates the direction is coming from North. It increases clockwise from North (viewed from above). This is most commonly used for wind direction.
      • "Meterologic" – The direction TO. The origin (0.0) indicates the direction is going to the North. It increases clockwise (like a bearing) so 45 degrees indicates a direction heading towards the North East.
      • "Oceanographic" – The Cartesian coordinate axes as a direction TO. East, or the positive X axis, defines the zero direction. It increases in a counter clockwise direction or righthand rule. 45 degrees indicates a direction heading to the North East and 90 degrees indicates a direction heading to the North.
      • "Shore normal" – "TO" convention based on a Theta(grid) which defines the grid orientation relative to the positive X axis (CCW direction).
    • Populate from Spectra – Click the Populate button to auto-generate case data in the table below. Data is based on the imported spectral data in the spectral coverage.
    • Set Reference Time – Click this button to open the CMS-Wave Simulation Reference Time dialog and adjust the reference time and time units.
      • Reference time – Set the desired Reference time for the simulation.
      • Time units – Sets time units for case data to "days", "hours", or "minutes".
    • Add Row GMS MODFLOW 6 - Add Row button.png – Add a row to the case data table.
    • Delete Row GMS MODFLOW 6 - Delete Rows button.png – Removes a selected row from the case data table.
    • Time – The time offset value representing how much later the time is than the specified reference time. Hence, if 5 is entered for the time offset, and the time units is hours, then it is the case of 5 hours later. When nesting is used, the case ids, and the number of cases, will be determined by the parent simulation.
    • Wind Direction – Available if "Constant value" has been selected on the Parameters" tab.
    • Wind Magnitude – Available if "Constant value" has been selected on the Parameters" tab.
    • Water Level – Available if "Constant value" has been selected on the Parameters" tab.


Output Control

The Output control tab contains additional options for outputting results from the CMS-Wave model run.

  • Limit observation output – When checked on, turns off all output for observation cells except information in SELHT file.
  • Radiation Stresses – Turns on wave radiation stresses calculations for the simulation. Generates a wave radiation stress file with spatially varied data.
  • Breaking type – Option to generate wave breaking data resulting in a wave breaking file with spatially varied data.
    • "None" – Wave breaking file type will not be produced.
    • "Write indices" – Select for output of wave breaking indices.
    • "Calculate energy dissipation" – Select for output of dataset of energy dissipation fluxes.

Options

The Options tab contains the following options:

  • Allow wetting and drying – Allows fluctuation of cells between wet and dry depending on threshold flow depth at the cell center.
  • Infragravity wave effect – Sets the model to include infra-gravity wave effect.
  • Diffraction intensity – Sets the diffraction intensity for the model. Use 0 for no diffraction. Use 4 for strong diffraction.
  • Nonlinear wave effect – Sets the model to include computation for non-linear wave-wave interaction.
  • Run up – Sets the model to include computation for wave runup, which is the maximum shoreward wave swash on the beach face for engineering structures.
  • Fast-mode run – Turn on fast-mode simulation for wave generation and propagation.
  • Roller effects – Sets wave roller intensity factor. Use "None" for no effect. Use "100%" for strong effect.
  • Forward reflection – A constant value for the entire simulation or spatially varying data using a scalar dataset can be used to define the forward reflection for the model.
    • "None" – Forward reflection will not be represented in the model.
    • "Constant" – Forward reflection will be defined by a constant value for the entire simulation.
    • "Use dataset" – Forward reflection will be defined by a scalar dataset with spatially varying data for the simulation. Select appears next to it. This button brings up a data tee that allows for selecting the desired dataset.
  • Backward reflection – A constant value for the entire simulation or spatially varying data using a scalar dataset can be used to define the backward reflection for the model.
    • "None" – Backward reflection will not be represented in the model.
    • "Constant" – Backward reflection will be defined by a constant value for the entire simulation.
    • "Use dataset" – Backward reflection will be defined by a scalar dataset with spatially varying data for the simulation. Select appears next to it. This button brings up a data tee that allows for selecting the desired dataset.
  • Muddy bed – If desired, spatially varying data using a scalar dataset can be used to calculate wave dissipation over muddy bed for the model.
    • "None" – Turns off calculating for wave dissipation over muddy bed.
    • "Use dataset" – Define the scalar dataset to be used to calculate wave dissipation over muddy bed for the model. Select appears next to it. This button brings up a data tee that allows for selecting the desired dataset.
  • Wave breaking formula – Sets the formula for wave breaking used in the simulation.
    • "Extended Goda" – Sets wave breaking formula to "Extended Goda".
    • "Extended Miche" – Sets wave breaking formula to "Extended Miche".
    • "Battjes and Jannsen 1978" – Sets wave breaking formula to "Battjes and Jannsen 1978". For this formula, Gamma value definition is required.
    • "Chawla and Kirby" – Sets wave breaking formula to "Chawla and Kirby".
    • "Battjes and Jannsen 2007" – Sets wave breaking formula to "Battjes and Jannsen 2007".
    • "Miche Original" – Sets wave breaking formula to "Miche Original".
    • "Lifting breaking" – Sets wave breaking formula to "Lifting breaking".
  • Date format – Select the type of date format preferred.
      • "8 digits" – Sets date format to 8 digit format.
      • "12 digits" – Sets date format to 12 digit format.


Related Topics