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XBeach
XBeach is a
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two-dimensional
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model
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for
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wave
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propagation,
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long
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waves
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and
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mean
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flow,
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sediment
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transport
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and
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morphological
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changes
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of
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the
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nearshore
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area,
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beaches,
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dunes
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and
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backbarrier
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during storms.
XBeach Module Adapter - summary
This page describes the XBeach module adapter, its functions, and provides an example for configuring a XBeach run in FEWS.
The pre-adapter creates the model specific output by replacing tags in template files:
- zs0file.txt for water level input file zs0file.txt
- bcfile.txt and bc.timeXXX.sp2 for SWAN spectrum input files
- params.txt for run information
Furthermore, the pre-adapter writes log messages to a log file called xbeach.log.
There is no post-adapter, since XBeach can be configured to use netcdf as output format that is readable by FEWS.
XBeach pre-adapter
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Model pre-adapter for running a XBeach model from Delft-FEWS.
Class name: nl.deltares.xbeach.XBeachPreAdapter
Properties
No specific properties need to be configured for a model run.
There is however extra functionality provided via the properties but this is not needed if the model is setup correctly.
Configured properties starting with "PARAM_" will be added or replaced literally without "PARAM_" (and in lower case) in the params.txt file which defines the parameters for an XBeach model run.
This functionality should only be used as a debug option and only by someone that understands the XBeach properties in params.txt. To setup a model make sure you use a correctly configured params.txt so this functionality is not needed.
Notes for users
- For all files that are written by this adapter, if the file to be written already exists, then it will be overwritten.
- This program writes log messages to a log file called xbeach.log.
- This program does not make use of a template file, parameters are automatically added and replaced in params.txt without the use of tags.
- This program uses the information in the specified netcdf run file as input and uses this information to do the following actions:
- Create the water level input file: zs0file.txt, see water level conversion
- Create the SWAN spectrum input files bcfile.txt and bc.timeXXX.sp2, see wave spectrum conversion
- Replace or add the parameters 'tstart' and 'tstop' in params.txt, see parameter conversion
System requirements
- This program needs Java version 1.7 or higher.
- This program needs the following Java libraries:
- castor-0.9.5.jar
- commons-httpclient-3.0.1.jar
- Delft_Util.jar
- fews-xbeach-adapter.jar
- log4j-1.2.14.jar
- netcdf-4.2.jar
- slf4j-api-1.5.6.jar
- slf4j-log4j12-1.5.6.jar
- xercesImpl.jar
Xbeach post-adapter
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There is no need for an Xbeach post-adapter since XBeach can be configured to use netcdf as output format that is readable by FEWS.
Example configuration generalAdapterRun
A complete example model run configuration file can be found here: XBeachAdapterRun.xml
Information how to prepare a FEWS environment to be able to use the FEWS model adapter can be found here: XBeach FEWS setup
Start up activities
As a first activity it can be useful to delete all files present in the workDir, if for example it would be filled with files from a previous run.
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<startUpActivities>
<purgeActivity>
<filter>workDir*</filter>
</purgeActivity>
</startUpActivities>
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Export activities
The first steps in the general adapter run are the data set, netcdf and run file export activities. The <exportDataSetActivity> will extract a zip file with the module instance id as file name located in "Config\ModuleDataSetFiles\" of the FEWS environment to the workdir. The <exportNetcdfActivity>'s will be a netcdf file (bcfile.nc) containing Swan wave spectra over time and a netcdf file (zs0file.nc) containing water level over time. The <exportNetcdfRunFileActivity> will be a netcdf run file that contains information needed by the pre-adapter. The information will be automatically filled by the general adapter but properties can be configured as extra information. For example properties starting with "PARAM_" will be added or replaced literally without "PARAM_" (and in lower case) in the params.txt file which defines the parameters for an XBeach model run. An example is given in the config below as <string key="PARAM_OUTPUTFORMAT" value="netcdf"/> this adds or replaces parameter 'outputformat' in params.txt and assigns the value 'netcdf'. All parameters should however be already correctly set in params.txt so these property should not be necessary.
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<exportActivities>
<exportDataSetActivity>
<moduleInstanceId>Run_XBeach</moduleInstanceId>
</exportDataSetActivity>
<exportNetcdfActivity>
<exportFile>bcfile.nc</exportFile>
<timeSeriesSets>
<timeSeriesSet>
<moduleInstanceId>Run_XBeach</moduleInstanceId>
<valueType>scalar</valueType>
<parameterId>EnDens</parameterId>
<domainParameterId>AFREQ</domainParameterId>
<domainParameterId>NDIR</domainParameterId>
<locationId>Dummy</locationId>
<timeSeriesType>external historical</timeSeriesType>
<timeStep unit="hour"/>
<relativeViewPeriod unit="hour" start="-24" end="0"/>
<readWriteMode>add originals</readWriteMode>
<synchLevel>1</synchLevel>
</timeSeriesSet>
</timeSeriesSets>
</exportNetcdfActivity>
<exportNetcdfActivity>
<exportFile>zs0file.nc</exportFile>
<timeSeriesSets>
<timeSeriesSet>
<moduleInstanceId>Run_XBeach</moduleInstanceId>
<valueType>scalar</valueType>
<parameterId>H_mean</parameterId>
<locationId>Dummy</locationId>
<timeSeriesType>external historical</timeSeriesType>
<timeStep unit="minute" multiplier="10"/>
<relativeViewPeriod unit="hour" start="-24" end="0"/>
<readWriteMode>add originals</readWriteMode>
</timeSeriesSet>
</timeSeriesSets>
</exportNetcdfActivity>
<exportNetcdfRunFileActivity>
<description>This run file is passed as argument to XBeachPreAdapter</description>
<exportFile>run.nc</exportFile>
<properties>
<string key="PARAM_OUTPUTFORMAT" value="netcdf"/>
</properties>
</exportNetcdfRunFileActivity>
</exportActivities>
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Execute activities
The next steps are the execute activities.
The first will be the pre-adapter. This program will read the run.nc input file and use the contents for instructions on which directory and files should be used to convert to the correct XBeach input format. The pre-adapter generates a log file called XBeach.log, which can be read into FEWS by coupling line patterns to FEWS log messages.
The second execute activity will be the module run. XBeach generates different log files with different meaning, in the configuration below, all line from XBerror.txt are coupled to error messages in FEWS, all lines from XBwaring.txt are coupled to info messages in FEWS and all lines in XBlog.txt are coupled to debug messages in FEWS.
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<executeActivities> <executeActivity> <command> <className>nl.deltares.xbeach.XBeachPreAdapter</className> <binDir>adapter\bin</binDir> </command> <arguments> <argument>run.nc</argument> </arguments> <logFile> <file>XBeach.log</file> <errorLinePattern>ERROR*</errorLinePattern> <warningLinePattern>WARN*</warningLinePattern> <infoLinePattern>INFO*</infoLinePattern> <debugLinePattern>DEBUG*</debugLinePattern> </logFile> storms. h2. Example configuration [XBeachAdapterRun.xml] h2. Export activities The first steps in the general adapter run are the netcdf and run file export activities, the exported files will be a netcdf file (swanxbinput.nc) containing Swan golf spectra over time and a netcdf file (1xbinput.nc) containing water level over time. The exported run file will contain properties that can be used by the pre adapter. For example: * TIDE_VARIABLE: name of netcdf variable containing water level * PARAM_TUNITS: meaning of the time values in XBeach input and output files. For example "seconds since 2001-01-01" * PARAM_OUTPUTFORMAT: XBeach parameter specifying the output format. Has to be "netcdf" for FEWS to import * PARAM_TSTOP: XBeach parameter specifying end of XBeach run: for example "36000" which in this case means after 10 hours Properties starting with "PARAM_" will be passed literally to XBeach without "PARAM_" {code:xml|title=export activities} <exportActivities> <exportNetcdfActivity> <exportFile>swanxbinput.nc</exportFile> <timeSeriesSets> <timeSeriesSet> <moduleInstanceId>Run_XBeach</moduleInstanceId> <valueType>scalar</valueType> <parameterId>EnDens</parameterId> <domainParameterId>AFREQ</domainParameterId> <domainParameterId>NDIR</domainParameterId> <locationId>Dummy</locationId> <timeSeriesType>external historical</timeSeriesType> <timeStep unit="hour"/> <relativeViewPeriod unit="hour" start="-24" end="0"/> <readWriteMode>add originals</readWriteMode> <synchLevel>1</synchLevel> </timeSeriesSet> </timeSeriesSets> </exportNetcdfActivity> <exportNetcdfActivity> <exportFile>1xbinput.nc</exportFile> <timeSeriesSets> <timeSeriesSet> <moduleInstanceId>Run_XBeach</moduleInstanceId> <valueType>scalar</valueType> <parameterId>H_mean</parameterId> <locationId>Dummy</locationId> <timeSeriesType>external historical</timeSeriesType> <timeStep unit="minute" multiplier="10"/> <relativeViewPeriod unit="hour" start="-24" end="0"/> <readWriteMode>add originals</readWriteMode> </timeSeriesSet> </timeSeriesSets> </exportNetcdfActivity> <exportRunFileActivity> <description>This pi run file is passes as argument to XBeachPreAdapter</description> <exportFile>pi_run\pi-run.xml</exportFile> <properties> <description>Specific configuration required for MyPreAdapter and MyPostAdapter</description> <string key="TIDE_VARIABLE" value="H_mean"/> <string key="PARAM_TUNITS" value="seconds since 2001-01-01"/> <string key="PARAM_OUTPUTFORMAT" value="netcdf"/> <string key="PARAM_TSTOP" value="36000"/> </properties> </exportRunFileActivity> </exportActivities> {code} h2. Execute activities The next steps are the execute activities. The first will be the pre adapter. This program will read the pi-run.xml input file and use the properties for instructions on which directory and files should be used to convert to the correct XBeach input format. {code:xml|title=execute activities} <executeActivities> <executeActivity> <command> <className>com.deltares.fews.xbeachadapters.preadapter.XBeachPreAdapter</className> <binDir>adapter\bin</binDir> </command> <arguments> <argument>pi_run\pi-run.xml</argument> </arguments> <timeOut>99999999</timeOut> </executeActivity> <executeActivity> <command> <executable>runxb<executable>xbeach.bat<exe</executable> </command> <timeOut>99999999</timeOut> </executeActivity> </executeActivities> {code} h3. Golf spectrum conversion In this example "swanxbinput.nc" will be used to write the golf spectra into the following format: * waves.txt referencing to golf spectrum files and a time of how long these should be used in each calculation step {code} FILELIST 3600.0 1.0 egx.loct001.sp2 3600.0 1.0 egx.loct002.sp2 3600.0 1.0 egx.loct003.sp2 3600.0 1.0 egx.loct004.sp2 3600.0 1.0 egx.loct005.sp2 3600.0 1.0 egx.loct006.sp2 3600.0 1.0 egx.loct007.sp2 <logFile> <file>XBerror.txt</file> <errorLinePattern>*</errorLinePattern> </logFile> <logFile> <file>XBwarning.txt</file> <infoLinePattern>*</infoLinePattern> </logFile> <logFile> <file>XBlog.txt</file> <debugLinePattern>*</debugLinePattern> </logFile> <timeOut>99999999</timeOut> </executeActivity> </executeActivities> |
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Wave spectrum conversion
"bcfile.nc" will be used to write the wave spectra into the following format:
- bcfile.txt referencing to wave spectrum files and a time of how long these should be used in each calculation step
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FILELIST 3600.0 1.0 egxbc.loct008time001.sp2 3600.0 1.0 egxbc.loct009time002.sp2 3600.0 1.0 egx.loct010.sp2 {code} * egx.loct001.sp2 containing a golf spectrum {code} SWAN 10 1.0 bc.time003.sp2 3600.0 1.0 bc.time004.sp2 3600.0 1.0 bc.time005.sp2 3600.0 1.0 bc.time006.sp2 3600.0 Swan standard spectral file, version $1.0 bc.time007.sp2 3600.0 Data exported by FEWS for SWAN $1.0 bc.time008.sp2 3600.0 Project: 1.0 bc.time009.sp2 3600.0 1.0 bc.time010.sp2 |
- bc.time001.sp2 containing a wave spectrum
- The conversion will use either "EnDens" or "VaDens" variable from "bcfile.nc" for the values, using the unitstring specified with the variable
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SWAN 1 ; run number: TIME Swan standard spectral time-dependent data file, version $ Data exported 1by FEWS for SWAN $ Project: ; time coding option LONLATrun number: TIME locations in sphericaltime-dependent coordinatesdata 1 number of locations 4.6019540 52.6194688 AFREQtime coding option LONLAT locations in spherical 1/scoordinates 251 number of frequencieslocations 4.6019540 052.05006194688 AFREQ 0.0566 0.0642 ... 0.7791 0.8827 1.0000 NDIR 1/s 25 degrees 36 number of frequencies 0.0500 0.0566 0.0642 ... 0.7791 number0.8827 of directions 2651.0000 NDIR 255.0000 245.0000 ... -65.0000 -75.0000 -85.0000 QUANT 1 degrees 36 number of quantities in table EnDens number of directions 265.0000 255.0000 245.0000 ... -65.0000 -75.0000 id m-85.0000 QUANT 1 unit number of -0.9900E+02 quantities in table VaDens exception value 20010101.000000 id m2/Hz/degrees date and time FACTOR 0.0011500214 0unit 0-0.9900E+02 0 0 0 0 0 exception value 20010101.000000 0 0 0 ... 0 date and 0time FACTOR 0.0011500214 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 10 10 0 0 0 0 0 0 0 0 ... 0 0 10 1 40 271 90 30 30 30 20 0 0 0 ... 20 0 9 281 610 40 294 27 70 9 17 243 31 3 17 3 0 0 0 ...2 67 0 303 626 0 4916 1621 0 268 57... 119 2 193 145 9 23 28 610 0 294 1 70 ...17 1780 529524 7229 13782 31 3341 41517 94 0 287 6590 803 0 340 ... 0 67 6 303 626 ... 144334916 28039 27099 1621 14186 2446268 257 57 68119 290193 982145 1874 140723 50 31 ... 523811780 5295 62127 395777229 1036913782 3341 1638 415 231 94 37 287 90659 803 431 1241340 1598 2270 06 ... 9999914433 8035328039 3708927099 14186 8225 2446 1923 257 361 68 54 290 17 982 701874 1407 324 770 5 448 3 0 ... 7730552381 5422362127 2453539577 10369 6742 1962 381 1638 88 231 21 37 690 431 30 1241 1431598 211227 0 ... 4281499999 2810080353 1544237089 57448225 24801923 622361 147 54 34 17 570 324 1 770 8448 30 0 ... 2728377305 1663154223 980824535 44486742 26181962 1011 381 228 88 41 21 6 6 0 30 143 0 211 2 20 ... 1510342814 28100 9139 600115442 28535744 21502480 977622 217147 34 5 1 08 30 0 0 ... 27283 868216631 5250 35079808 18184448 15882618 1011 752 228 160 41 20 6 4 0 1 0 02 02 ... 15103 4838 9139 2895 21166001 10642853 2150 927 977 597 217 168 2334 35 01 0 0 0 ... 23748682 13835250 11513507 1818 517 1588 534 752 423 142160 2320 24 01 0 0 0 ... 11824838 2895 789 5612116 1064 243 927 299 597 202 168 87 23 17 3 1 0 0 0 0 ... 7562374 1383 329 2621151 137517 112534 423 87 142 51 23 12 12 0 0 0 0 ... 1182 243 789 98 120561 243 86 299 40 202 34 87 18 17 5 1 0 0 0 0 ... 137756 117 142 329 55 262 21137 112 8 87 4 51 212 01 0 0 0 0 ... 137243 123 98 87120 2486 1340 34 3 18 1 5 0 01 0 0 0 0 ... 137 83 117 74 62142 55 6 21 7 8 1 4 0 0 2 0 0 0 0 0 ... 58 27 16 0 6 ... 3137 123 0 87 0 24 013 03 01 0 0 0 ...0 39 0 20 0 10 {code} h3. Water level conversion In this example "1xbinput.nc" will be used to write the time dependent water levels to a file named "tide.txt". The first column specifies the time (meaning defined in "PARAM_TUNITS") and the second column water level. For now the adapter only supports the water level as a single boundary condition but XBeach has to possibility to also use 2 or 4 resulting in 1 or 3 extra columns. {code} 0.0000000e+000 -2.2000000e-002 6.0000000e+002 2.2000000e-002 1.2000000e+003 6.4999998e-002 1.8000000e+003 1.0800000e-001 2.4000000e+003 1.5200000e-001 3.0000000e+003 1.9400001e-001 3.6000000e+003 2.3700000e-001 4.2000000e+003 2.7900001e-001 4.8000000e+003 3.1999999e-001 5.4000000e+003 3.6100000e-001 6.0000000e+003 4.0099999e-001 6.6000000e+003 4.4100001e-001 7.2000000e+003 4.7900000e-001 7.8000000e+003 5.1700002e-001 8.4000000e+003 5.5400002e-001 9.0000000e+003 5.8999997e-001 9.6000000e+003 6.2400001e-001 1.0200000e+004 6.5700001e-001 1.0800000e+004 6.9000000e-001 1.1400000e+004 7.2000003e-001 1.2000000e+004 7.5000000e-001 1.2600000e+004 7.7800000e-001 1.3200000e+004 8.0500001e-001 1.3800000e+004 8.2999998e-001 1.4400000e+004 8.5299999e-001 1.5000000e+004 8.7500000e-001 1.5600000e+004 8.9499998e-001 1.6200000e+004 9.1399997e-001 1.6800000e+004 9.3000001e-001 1.7400000e+004 9.4599998e-001 1.8000000e+004 9.5899999e-001 {code} h3. Parameter conversion The pre adapter will also convert all run file string properties starting with "PARAM_" to XBeach parameters in "params.txt". It reads an existing "params.txt" and searches for a line starting with the specified parameter and replaces the whole line with "_parameter = value_" or adds a new line in the same format when the parameter was not present yet. {code|title=params.txt} ---------------------------------------------------- Grid input nx = 154 ny = 70 xfile = x.grd yfile = y.grd xori = 101627.84 yori = 513562.63 alfa = -8 depfile = egmondxbeach.dep posdwn = -1 thetanaut = 0 thetamin = -40 thetamax = 40 dtheta = 10 vardx = 1 ... 83 74 62 6 7 1 0 0 0 0 0 0 0 ... 58 27 16 6 3 0 0 0 0 0 0 0 0 ... 39 20 10 |
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Water level conversion
In this example "zs0file.nc" will be used to write the time dependent water levels to a file named "zs0file.txt". The first column specifies the time (meaning defined in "PARAM_TUNITS") and the second column water level. For now the adapter only supports the water level as a single boundary condition but XBeach has to possibility to also use 2 or 4 resulting in 1 or 3 extra columns.
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0.0000000e+000 -2.2000000e-002
6.0000000e+002 2.2000000e-002
1.2000000e+003 6.4999998e-002
1.8000000e+003 1.0800000e-001
2.4000000e+003 1.5200000e-001
3.0000000e+003 1.9400001e-001
3.6000000e+003 2.3700000e-001
4.2000000e+003 2.7900001e-001
4.8000000e+003 3.1999999e-001
5.4000000e+003 3.6100000e-001
6.0000000e+003 4.0099999e-001
6.6000000e+003 4.4100001e-001
7.2000000e+003 4.7900000e-001
7.8000000e+003 5.1700002e-001
8.4000000e+003 5.5400002e-001
9.0000000e+003 5.8999997e-001
9.6000000e+003 6.2400001e-001
1.0200000e+004 6.5700001e-001
1.0800000e+004 6.9000000e-001
1.1400000e+004 7.2000003e-001
1.2000000e+004 7.5000000e-001
1.2600000e+004 7.7800000e-001
1.3200000e+004 8.0500001e-001
1.3800000e+004 8.2999998e-001
1.4400000e+004 8.5299999e-001
1.5000000e+004 8.7500000e-001
1.5600000e+004 8.9499998e-001
1.6200000e+004 9.1399997e-001
1.6800000e+004 9.3000001e-001
1.7400000e+004 9.4599998e-001
1.8000000e+004 9.5899999e-001
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Parameter conversion
It is possible to change model parameters as defined in params.txt from FEWS. The pre-adapter will convert all run file properties starting with "PARAM_" to XBeach parameters in "params.txt". Example: params.txt.
It reads the existing "params.txt" and searches for a line starting with the specified parameter and replaces the whole line with "parameter = value" or adds a new line in the same format when the parameter was not present yet.
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-------------------------------------------------------- Numerics input CFL Grid input nx = 154 ny = 70 xfile = x.grd yfile = y.grd xori = 0101627.884 epsyori = 513562.63 depfile = 0egmondxbeach.01dep ---------------------------------------------------- TimeNumerics input tstart = 0. tstop = 36000 taper = 100 tintg = 3600 tintmCFL = 3600 tintp0.8 eps = 600.01 ---------------------------------------------------- GeneralTime constantsinput rhotstart = 1025 g = 9.810. tstop = 36000 ---------------------------------------------------- BoundaryGeneral condition options zs0file = tide.txt tideloc = 1 zs0constants rho = 01025 paulrevere = 0 instatg = 5 leftwave = 1 rightwave = 19.81 ---------------------------------------------------- Wave calculation options break = 1 roller = 1 beta = 0.1 refl = 0 gamma = 0.45 delta = 0.0 n = 10. bcfile = waves.txt front = 0 snel = 1 oldwbc = 0Boundary condition options zs0file = zs0file.txt tideloc = 1 ---------------------------------------------------- Wave calculation options bcfile = bcfile.txt ---------------------------------------------------- Flow calculation options nuh = 0.1 nuhfac = 1.0 C = 55. umin = 0.01 ---------------------------------------------------- Sediment transport calculation options facua = 0.10 D50 = 0.0002 D90 = 0.0003 ngd = 1 nd - Sediment transport calculation options facua = 300.10 structD50 = 0 sedtrans = 1 sourcesink = 0.0002 ---------------------------------------------------- Morphological calculation options morfac = 10 morstart = 3600 wetslp = 0.15 morphology = 1 ---------------------------------------------------- Output options outputformat = netcdf nglobalvar = 3 zs zb wetz nmeanvar = 6 H thetamean uu vv DR zs tunits = seconds since 2001-01-01 |
Executing model run
The next activity will be executing the XBeach model run. This is done by running xbeach.exe in the workdir containing the model files.
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<executeActivity>
<command>
<executable>xbeach.exe</executable>
</command>
<timeOut>99999999</timeOut>
</executeActivity>
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Import activities
The last part of the general adapter run is importing the XBeach output. xboutput.nc contains all parameter, output and grid information of the run. This can be visualized in FEWS after defining the needed parameters, location and grid. How to do this can be found here: XBeach FEWS setup
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{code} h2. Executing model run The next activity will be executing the XBeach model run. So far this is done by a .bat file to be able to run the xbeach.exe in a other directory containing the input files. It would be preferable to change this in such a way that the .bat file will not be needed. {code|title=module run execute activity} <executeActivity> <command> <executable>runxb.bat</executable> </command> <timeOut>99999999</timeOut> </executeActivity> {code} h2. Importing Xbeach output The last part of the general adapter run is importing the XBeach output. In the case xboutput.nc contains all parameter, output and grid information of the run. This can be visualized in FEWS after defining the needed parameters, location and grid. How to do this can be found here: [XBeach FEWS setup] {code|title=model run output import activity} <importActivities> <importPiNetcdfActivity> <importFile>xboutput.nc</importFile> <timeSeriesSets> <timeSeriesSet> <moduleInstanceId>Run_XBeach</moduleInstanceId> <valueType>grid</valueType> <parameterId>H_max</parameterId> <locationId>Dummy</locationId> <timeSeriesType>external historical</timeSeriesType> <timeStep unit="hour"/> <readWriteMode>add originals</readWriteMode> </timeSeriesSet> </timeSeriesSets> </importPiNetcdfActivity> </importActivities> {code} |