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Old   October 25, 2012, 00:30
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  #181
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Nick
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Dave and Niels,
Thank you for your advice, I'll try it out.
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Old   November 2, 2012, 11:14
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Hi, Ngj,

I am quite curious which nonlinear dispersion formulae or codes used for fifth stokes wave. Could you please pass me some references or codes?


Regards,

John



Quote:
Originally Posted by ngj View Post
Hi all,

@Kevin: You are using a solution to the linear dispersion relation, however, you are using a fifth order stokes theory. This does not match, which results in a negative stokes drift in your case, hence a lowering of the water level.

In the attached figure, the black line is with correct k(period,depth,height), whereas the white line is the incorrect linear dispersion relation.

@Ross: You give far too little information to resolve your problem and furthermore, you have achieved the source code from a to me unknown source. Try download the latest release directly from the SVN given on the wiki.

Kind regards,

Niels
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Old   November 2, 2012, 11:48
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  #183
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Niels Gjoel Jacobsen
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Hi John

Yes, I have found out that I lack some information in the header files. Here is the reference:

Code:
@article{ ISI:A1985AEB7500005,
Author = {FENTON, JD},
Title = {{A 5TH-ORDER STOKES THEORY FOR STEADY WAVES}},
Journal = {{JOURNAL OF WATERWAY PORT COASTAL AND OCEAN ENGINEERING-ASCE}},
Year = {{1985}},
Volume = {{111}},
Number = {{2}},
Pages = {{216-234}},
Publisher = {{ASCE-AMER SOC CIVIL ENGINEERS}},
Address = {{345 E 47TH ST, NEW YORK, NY 10017-2398}},
Type = {{Article}},
Language = {{English}},
Affiliation = {{FENTON, JD (Reprint Author), UNIV NEW S WALES,SCH MATH,KENSINGTON,NSW 2033,AUSTRALIA..}},
ISSN = {{0733-950X}},
Research-Areas = {{Engineering; Water Resources}},
Web-of-Science-Categories  = {{Engineering, Civil; Engineering, Ocean; Water Resources}},
Number-of-Cited-References = {{13}},
Times-Cited = {{134}},
Journal-ISO = {{J. Waterw. Port Coast. Ocean Eng.-ASCE}},
Doc-Delivery-Number = {{AEB75}},
Unique-ID = {{ISI:A1985AEB7500005}},
}
The code is all implemented in waves2Foam.

Kind regards,

Niels
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Old   November 7, 2012, 05:44
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Hi, Niels,

Thanks for your information. I found that paper and also the equations to get the wave number. I guess wave number can be easily gotten by using setWaveParameters.

However, from your wiki, you mentioned the input of stokesfifth wave type requires a stokesdrift scale, which is unknown before getting the wave number.

So how can I do? just calculate the wave number by hand?

Thanks,





But the thing is that we


Quote:
Originally Posted by ngj View Post
Hi John

Yes, I have found out that I lack some information in the header files. Here is the reference:

Code:
@article{ ISI:A1985AEB7500005,
Author = {FENTON, JD},
Title = {{A 5TH-ORDER STOKES THEORY FOR STEADY WAVES}},
Journal = {{JOURNAL OF WATERWAY PORT COASTAL AND OCEAN ENGINEERING-ASCE}},
Year = {{1985}},
Volume = {{111}},
Number = {{2}},
Pages = {{216-234}},
Publisher = {{ASCE-AMER SOC CIVIL ENGINEERS}},
Address = {{345 E 47TH ST, NEW YORK, NY 10017-2398}},
Type = {{Article}},
Language = {{English}},
Affiliation = {{FENTON, JD (Reprint Author), UNIV NEW S WALES,SCH MATH,KENSINGTON,NSW 2033,AUSTRALIA..}},
ISSN = {{0733-950X}},
Research-Areas = {{Engineering; Water Resources}},
Web-of-Science-Categories  = {{Engineering, Civil; Engineering, Ocean; Water Resources}},
Number-of-Cited-References = {{13}},
Times-Cited = {{134}},
Journal-ISO = {{J. Waterw. Port Coast. Ocean Eng.-ASCE}},
Doc-Delivery-Number = {{AEB75}},
Unique-ID = {{ISI:A1985AEB7500005}},
}
The code is all implemented in waves2Foam.

Kind regards,

Niels
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Old   November 7, 2012, 09:05
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  #185
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Niels Gjoel Jacobsen
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Hi John,

Yes, you have to decide for a stokesDrift, since it is one equation with two unknowns. I believe the Fenton states that in the paper (or another one of his papers) that it the current field is unknown, then it does not make sense to go above 2nd order Stokes theory. However, if you are modelling a wave flume, you explicitly know that the stokes drift equals 0 (read: zero).

Kind regards,

Niels
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Old   November 7, 2012, 13:23
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  #186
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Hello Niels,

I'm a beginner level user of waves2Foam and OpenFOAM in general. I was just trying to understand the file contents and structure of waveFoam by doing the waveFlume tutorial. However, whenever I try to run the waveFoam solver by typing in the command in the terminal window, I get the message - 'command not found'.

Does this mean that waves2Foam is not properly installed? Please help.

I'm using OpenFoam version 2.1.1 on Ubuntu 11.10.

Regards,
Sagun
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Old   November 7, 2012, 17:43
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  #187
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Hi Sagun

I probably means that either (i) you have not loaded OpenFoam as such (and therefore also waves2Foam) or (ii) waves2Foam, and thus waveFoam, is not correctly installed.

Kind regards,

Niels
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Old   November 7, 2012, 19:17
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  #188
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Hello Niels,

Thank you for your reply.

As far as the installation is concerned, I followed the procedure which is mentioned on the wiki-page. I now have a waves2Foam folder in my home folder with all the relevant files in it. Does that mean it is properly installed?

And I'm not sure if I understand properly what you meant by 'loading OpenFoam'.
Could you be kind enough to write down the steps necessary to run a case?

Regards,
Sagun
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Old   November 8, 2012, 01:36
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  #189
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Good morning,

With respect to loading OpenFoam, then there is a description here:

http://www.openfoam.org/download/source.php

in the section "Setting Environmental Variables".

You are a bit unclear on what you have done for installing waves2Foam. Have you done anything besides getting the files from the SVN? I am asking, since you would also need to compile the library and the applications. This is done by executing the "Allwmake" script.

You could also try to run the tutorials in the UserGuide coming with OpenFoam. These tutorials only rely on a correct installation of OpenFoam, and it is generally a good place to start.

Kind regards,

Niels
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Old   November 8, 2012, 06:48
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  #190
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Hello Niels, good morning to you too.

I'm quite certain that I have installed OpenFoam correctly since I have had no problems in running the tutorials which came along with the installation. I was only concerned about whether I had installed waves2Foam properly or not.

I did execute the wmake all command in the waves2Foam directory. However, as I mentioned earlier, the waves2Foam folder is located in my home directory instead of where the OpenFoam files are located (which is File System/opt/openfoam211). Is that the default location for the waves2Foam folder?

Also, is there any check that I could do to make sure that waves2Foam is properly installed? Maybe then I can post the terminal output here for you to see.

Thank you for your time.

Regards,
Sagun
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Old   November 8, 2012, 08:58
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  #191
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Hi Sagun

Yes, please post the compilation information. I will be out of office for the next couple of days, but other users might be able to help you.

Do you use the most recent svn repository, since the waveFoam solvers were not added for 2.1 until recently (details on the Wiki). If not, do a "svn update" and recompile.

Kind regards,

Niels
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Old   November 8, 2012, 09:05
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Hello Niels,

I updated the svn and recompiled. Here is the output:

stripathi@iwpc178:~/waves2Foam$ svn up
Restored 'tutorials/waveFoam/waveFlume/0/p_rgh.org'
Restored 'tutorials/waveFoam/waveFlume/0/gamma.org'
Restored 'tutorials/waveFoam/waveFlume/0/pd.org'
Restored 'tutorials/waveFoam/waveFlume/0/U.org'
Restored 'tutorials/waveFoam/waveFlume/0/alpha1.org'
Restored 'tutorials/waveFoam/waveFlume/system/fvSchemes.21'
Restored 'tutorials/waveFoam/waveFlume/system/fvSolution.21'
Restored 'tutorials/waveFoam/waveFlume/constant/waveProperties.17'
At revision 1980.
stripathi@iwpc178:~/waves2Foam$ wmake all
'/home/stripathi/OpenFOAM/stripathi-2.1.1/platforms/linuxGccDPOpt/lib/libwaves2Foam.so' is up to date.
make[1]: Entering directory `/home/stripathi/waves2Foam/applications/solvers/solvers211/waveFoam'
g++ -m32 -Dlinux -DWM_DP -Wall -Wextra -Wno-unused-parameter -Wold-style-cast -O3 -DNoRepository -ftemplate-depth-100 -I/opt/openfoam211/src/transportModels -I/opt/openfoam211/src/transportModels/incompressible/lnInclude -I/opt/openfoam211/src/transportModels/interfaceProperties/lnInclude -I/opt/openfoam211/src/turbulenceModels/incompressible/turbulenceModel -I/opt/openfoam211/src/finiteVolume/lnInclude -DOFVERSION=210 -I./../../../../src/lnInclude -IlnInclude -I. -I/opt/openfoam211/src/OpenFOAM/lnInclude -I/opt/openfoam211/src/OSspecific/POSIX/lnInclude -fPIC -Xlinker --add-needed -Xlinker --no-as-needed Make/linuxGccDPOpt/waveFoam.o -L/opt/openfoam211/platforms/linuxGccDPOpt/lib \
-ltwoPhaseInterfaceProperties -lincompressibleTransportModels -lincompressibleTurbulenceModel -lincompressibleRASModels -lincompressibleLESModels -lfiniteVolume -L/home/stripathi/OpenFOAM/stripathi-2.1.1/platforms/linuxGccDPOpt/lib -lwaves2Foam -lOpenFOAM -ldl -lm -o /home/stripathi/OpenFOAM/stripathi-2.1.1/platforms/linuxGccDPOpt/bin/waveFoam
make[1]: Leaving directory `/home/stripathi/waves2Foam/applications/solvers/solvers211/waveFoam'
make[1]: Entering directory `/home/stripathi/waves2Foam/applications/utilities/misc'
make[2]: Entering directory `/home/stripathi/waves2Foam/applications/utilities/misc/matlab'
make[3]: Entering directory `/home/stripathi/waves2Foam/applications/utilities/misc/matlab/postprocessing'
make[3]: Nothing to be done for `application'.
make[3]: Leaving directory `/home/stripathi/waves2Foam/applications/utilities/misc/matlab/postprocessing'
make[3]: Entering directory `/home/stripathi/waves2Foam/applications/utilities/misc/matlab/preprocessing'
make[3]: Nothing to be done for `application'.
make[3]: Leaving directory `/home/stripathi/waves2Foam/applications/utilities/misc/matlab/preprocessing'
make[2]: Leaving directory `/home/stripathi/waves2Foam/applications/utilities/misc/matlab'
make[1]: Leaving directory `/home/stripathi/waves2Foam/applications/utilities/misc'
make[1]: Entering directory `/home/stripathi/waves2Foam/applications/utilities/postProcessing'
make[2]: Entering directory `/home/stripathi/waves2Foam/applications/utilities/postProcessing/surfaceElevation'
g++ -m32 -Dlinux -DWM_DP -Wall -Wextra -Wno-unused-parameter -Wold-style-cast -O3 -DNoRepository -ftemplate-depth-100 -I/opt/openfoam211/src/finiteVolume/lnInclude -I/opt/openfoam211/src/meshTools/lnInclude -I/opt/openfoam211/src/sampling/lnInclude -I/opt/openfoam211/src/lagrangian/basic/lnInclude -DOFVERSION=211 -I./../../../../src/lnInclude -IlnInclude -I. -I/opt/openfoam211/src/OpenFOAM/lnInclude -I/opt/openfoam211/src/OSspecific/POSIX/lnInclude -fPIC -Xlinker --add-needed -Xlinker --no-as-needed Make/linuxGccDPOpt/surfaceElevation.o -L/opt/openfoam211/platforms/linuxGccDPOpt/lib \
-lfiniteVolume -lmeshTools -lsampling -lsurfMesh -ltriSurface -llagrangian -L/home/stripathi/OpenFOAM/stripathi-2.1.1/platforms/linuxGccDPOpt/lib -lwaves2Foam -lOpenFOAM -ldl -lm -o /home/stripathi/OpenFOAM/stripathi-2.1.1/platforms/linuxGccDPOpt/bin/surfaceElevation
make[2]: Leaving directory `/home/stripathi/waves2Foam/applications/utilities/postProcessing/surfaceElevation'
make[1]: Leaving directory `/home/stripathi/waves2Foam/applications/utilities/postProcessing'
make[1]: Entering directory `/home/stripathi/waves2Foam/applications/utilities/preProcessing'
make[2]: Entering directory `/home/stripathi/waves2Foam/applications/utilities/preProcessing/relaxationZoneLayout'
make[2]: Leaving directory `/home/stripathi/waves2Foam/applications/utilities/preProcessing/relaxationZoneLayout'
make[2]: Entering directory `/home/stripathi/waves2Foam/applications/utilities/preProcessing/relaxationZoneLayout'
g++ -m32 -Dlinux -DWM_DP -Wall -Wextra -Wno-unused-parameter -Wold-style-cast -O3 -DNoRepository -ftemplate-depth-100 -I/opt/openfoam211/src/finiteVolume/lnInclude -DOFVERSION=211 -I./../../../../src/lnInclude -IlnInclude -I. -I/opt/openfoam211/src/OpenFOAM/lnInclude -I/opt/openfoam211/src/OSspecific/POSIX/lnInclude -fPIC -Xlinker --add-needed -Xlinker --no-as-needed Make/linuxGccDPOpt/relaxationZoneLayout.o -L/opt/openfoam211/platforms/linuxGccDPOpt/lib \
-lfiniteVolume -L/home/stripathi/OpenFOAM/stripathi-2.1.1/platforms/linuxGccDPOpt/lib -lwaves2Foam -lOpenFOAM -ldl -lm -o /home/stripathi/OpenFOAM/stripathi-2.1.1/platforms/linuxGccDPOpt/bin/relaxationZoneLayout
make[2]: Leaving directory `/home/stripathi/waves2Foam/applications/utilities/preProcessing/relaxationZoneLayout'
make[2]: Entering directory `/home/stripathi/waves2Foam/applications/utilities/preProcessing/setWaveField'
g++ -m32 -Dlinux -DWM_DP -Wall -Wextra -Wno-unused-parameter -Wold-style-cast -O3 -DNoRepository -ftemplate-depth-100 -I/opt/openfoam211/src/finiteVolume/lnInclude -DOFVERSION=211 -I./../../../../src/lnInclude -IlnInclude -I. -I/opt/openfoam211/src/OpenFOAM/lnInclude -I/opt/openfoam211/src/OSspecific/POSIX/lnInclude -fPIC -Xlinker --add-needed -Xlinker --no-as-needed Make/linuxGccDPOpt/setWaveField.o -L/opt/openfoam211/platforms/linuxGccDPOpt/lib \
-lfiniteVolume -L/home/stripathi/OpenFOAM/stripathi-2.1.1/platforms/linuxGccDPOpt/lib -lwaves2Foam -lOpenFOAM -ldl -lm -o /home/stripathi/OpenFOAM/stripathi-2.1.1/platforms/linuxGccDPOpt/bin/setWaveField
make[2]: Leaving directory `/home/stripathi/waves2Foam/applications/utilities/preProcessing/setWaveField'
make[2]: Entering directory `/home/stripathi/waves2Foam/applications/utilities/preProcessing/setWaveParameters'
g++ -m32 -Dlinux -DWM_DP -Wall -Wextra -Wno-unused-parameter -Wold-style-cast -O3 -DNoRepository -ftemplate-depth-100 -DOFVERSION=211 -I/opt/openfoam211/src/finiteVolume/lnInclude -I./../../../../src/lnInclude -I./../../../../src/lnInclude -I/usr/local/include -I/include -IlnInclude -I. -I/opt/openfoam211/src/OpenFOAM/lnInclude -I/opt/openfoam211/src/OSspecific/POSIX/lnInclude -fPIC -Xlinker --add-needed -Xlinker --no-as-needed Make/linuxGccDPOpt/setWaveParameters.o -L/opt/openfoam211/platforms/linuxGccDPOpt/lib \
-lfiniteVolume -lgsl -lgslcblas -L/home/stripathi/OpenFOAM/stripathi-2.1.1/platforms/linuxGccDPOpt/lib -lwaves2Foam -lOpenFOAM -ldl -lm -o /home/stripathi/OpenFOAM/stripathi-2.1.1/platforms/linuxGccDPOpt/bin/setWaveParameters
make[2]: Leaving directory `/home/stripathi/waves2Foam/applications/utilities/preProcessing/setWaveParameters'
make[1]: Leaving directory `/home/stripathi/waves2Foam/applications/utilities/preProcessing'


Do you see anything out of the ordinary?

Thanks and regards,
Sagun
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Old   November 8, 2012, 10:46
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Hello,

I am not sure what I was doing wrong before but somehow it is working now. Thanks for all the help.

I was doing the 3Dwaves tutorial and I observed that you haven't specified the value of omega in the waveProperties file and the solver doesn't run without it.

What should I do about it?

Thanks,
Sagun
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Old   November 8, 2012, 11:08
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I think you're supposed to see "___ is up to date" statements for each binary built. If the 'waveFoam' executable is not being built for some reason, try changing to the waveFoam directory and building from there; this might give you more information as to what is going wrong.

Kevin
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Old   November 8, 2012, 11:18
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Hello Kevin,

I'm not sure what I did but the 'waveFoam' executable eventually worked!
Thanks anyways for the comment.

Btw, have you done the 3Dwaves tutorial? The value of omega hasn't been specified in the waveProperties file which is required by the solver. I was wondering what should I do about it.

Thanks,
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Old   November 8, 2012, 12:24
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Are you using the "Allrun" script?

Setting omega should have been done by the setWaveParameters utility. If not check the log files for errors.
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Old   November 10, 2012, 14:52
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Hello Kevin,

Sorry for the late reply. To answer your question, no, I'm not using the "Allrun" script. Actually, I don't even know what it is. I'm running these tutorial cases following the only procedure that I know of, i.e. blockMesh->checkMesh->waveFoam.

This is the output that I am getting when I run the solver:

Reading g

Reading waveProperties
Reading field p_rgh

Reading field alpha1



--> FOAM FATAL IO ERROR:
keyword omega is undefined in dictionary "/home/stripathi/waves2Foam/tutorials/waveFoam/3Dwaves/constant/waveProperties::inlet0Coeffs"

file: /home/stripathi/waves2Foam/tutorials/waveFoam/3Dwaves/constant/waveProperties::inlet0Coeffs from line 31 to line 47.

From function dictionary::lookupEntry(const word&, bool, bool) const
in file db/dictionary/dictionary.C at line 400.

FOAM exiting


Kindly advise.

Thanks,
Sagun
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Old   November 10, 2012, 15:45
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There should be a script called 'Allrun' in the case directory. Is that missing?
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Old   November 12, 2012, 06:53
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No it isn't. Any idea what's wrong?
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Old   November 12, 2012, 10:21
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Run the 'Allrun' script to run the tutorial, there are a few additional steps needed when using waves2Foam. In general the process is: blockMesh, setWaveParameters, setWaveField, waveFoam. Take a look through the Allrun script, that should hopefully clear up what you are doing wrong.

Also, many of the tutorials also do some additional preprocessing, which are not waves2foam specific, but are required to run the tutorial (copying version specific input files, creating internal face baffles).
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