Setting-up a Test Case in OpenFOAM - English
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- OpenFOAM version 7 Tutorials - English
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paraFoam error
qt.qpa.xcb: could not connect to display 192.168.0.1:0 qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found. This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem. Available platform plugins are: eglfs, linuxfb, minimal, minimalegl, offscreen, vnc, xcb. Aborted (core dumped)I get this error while I type in parafoam or paraview in the terminal, please help</span>
09-10M 30-40S praneet_d
Answer last updated on: Feb. 6, 2024, 11:28 a.m.
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blockMesh not working
blockMesh not working
08-09M 50-60S sarathkumars
Answer last updated on: Nov. 13, 2021, 1:11 p.m.
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icoFoam error Message
I modified the dimensions of the cavity to my requirement in the blockMeshDict file. Then ran the blockMesh file without any errors.But upon running icoFoam, after a certain number of successful iterations I get an error message. It is as follows,Time = 0.075Courant Number mean: 843.929 max: 1563.48#0 Foam::error::printStack(Foam::Ostream&) at ??:?#1 Foam::sigFpe::sigHandler(int) at ??:?#2 ? in "/lib/x86_64-linux-gnu/libc.so.6"#3 Foam::symGaussSeidelSmoother::smooth(Foam::word const&, Foam::Field<double>&, Foam::lduMatrix const&, Foam::Field<double> const&, Foam::FieldField<Foam::Field, double> const&, Foam::UPtrList<Foam::lduInterfaceField const> const&, unsigned char, int) at ??:?#4 Foam::symGaussSeidelSmoother::smooth(Foam::Field<double>&, Foam::Field<double> const&, unsigned char, int) const at ??:?#5 Foam::smoothSolver::solve(Foam::Field<double>&, Foam::Field<double> const&, unsigned char) const at ??:?#6 ? in "/opt/openfoam7/platforms/linux64GccDPInt32Opt/bin/icoFoam"#7 ? in "/opt/openfoam7/platforms/linux64GccDPInt32Opt/bin/icoFoam"#8 ? in "/opt/openfoam7/platforms/linux64GccDPInt32Opt/bin/icoFoam"#9 ? in "/opt/openfoam7/platforms/linux64GccDPInt32Opt/bin/icoFoam"#10 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6"#11 ? in "/opt/openfoam7/platforms/linux64GccDPInt32Opt/bin/icoFoam"Floating point exception (core dumped)How can I rectify this issue?Thanks, in advance.
09-10M 20-30S CTentre
Answer last updated on: Feb. 26, 2021, 9:41 a.m.
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BlockMeshDict file
Can you please explain how to open blockMeshDict in text editor?
02-03M 50-60S Sandhya212
Answer last updated on: Feb. 25, 2021, 4:30 p.m.
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Tutorial directory missing
It's saying that 'missing destination while operand' while I tried putting 'cp -r $FOAM_TUTORIALS/incompressible/icoFoam/cavitycavity'
02-03M 20-30S Krishnamohan_Menon
Answer last updated on: Feb. 25, 2021, 4:21 p.m.
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Not Able to locate the Tutorials Directory
When I am using the tutorials command, it is showing -cannot stat '-' No such file or directory
02-03M 30-40S Akshat_J
Answer last updated on: Feb. 25, 2021, 3:27 p.m.
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"hex" & "simpleGrading"
What is "hex" & "simpleGrading" in blocks under the blockMeshDict file?
03-04M 10-20S vishalb098
Answer last updated on: Feb. 25, 2021, 3:26 p.m.
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Error in copy command
I am getting error in the 3rd command itself where we are told to copy a file from tutorials folder to run ...No such file or directoryI am using this command: cp -r $FOAM_TUTORIALS/incompressible/icofoam/cavity/cavity .</span></span>
02-03M 30-40S divyesh7
Answer last updated on: Sept. 26, 2020, 12:25 p.m.
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Color not matching in 0 time
My velocity contour for the 0th timestep looks different from the contour on the video....
09-10M 50-60S divyesh7
Answer last updated on: Sept. 26, 2020, 12:18 p.m.
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Order of commands
Why do we type in icoFoam command after blockMesh? Can we use it the other way round?
09-10M 20-30S divyesh7
Answer last updated on: Sept. 26, 2020, 12:15 p.m.
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cp command
What does the -r represent?In cp command
02-03M 30-40S divyesh7
Answer last updated on: Sept. 26, 2020, 12:12 p.m.
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mkdir command
Does mkdir refer to make directory?
01-02M 50-60S divyesh7
Answer last updated on: Sept. 26, 2020, 12:09 p.m.
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Geometry and Mesh Information
Does the blockMeshDict file contain both geometry and mesh data?
02-03M 10-20S anamikak
Answer last updated on: Sept. 26, 2020, 9:11 a.m.
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Error in icoFoam
Tutorial: Setting-up a Test Case in OpenFOAMTime: 9:20Title: Error in icoFoamDescription: When i execute icoFoam, It gives me this error. What should i do?Create timeCreate mesh for time = 0--> FOAM FATAL ERROR: Cannot find file "points" in directory "polyMesh" in times "0" down to constant From function virtual Foam::IOobject Foam::fileOperation::findInstance(const Foam::IOobject&, Foam::scalar, const Foam::word&) const in file global/fileOperations/fileOperation/fileOperation.C at line 871.FOAM exiting
09-10M 20-30S jayeshGolhar
Answer last updated on: Sept. 25, 2020, 8:39 p.m.
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Dimension Details
What order is followed by OpenFOAM while giving dimension??
04-05M 0-10S sahilkukian
Answer last updated on: Sept. 25, 2020, 8:21 p.m.
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Three values in velocity
Why does velocity contain three values? In the pressure file we added only one value.
04-05M 40-50S Ashuthosh_PS
Answer last updated on: Sept. 25, 2020, 8:18 p.m.
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Couldn't find 'Active Variable Control' Tab
Couldn't find the 'active variable control' tab in the post processing of the test case in ParaView.
09-10M 40-50S chinmayswami3
Answer last updated on: Sept. 24, 2020, 7:14 p.m.
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Difference between dot and box icons
What is the key difference between dot and box icons in paraview? Which one gives correct value?
09-10M 50-60S divyesh7
Answer last updated on: Sept. 23, 2020, 9:51 a.m.
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deltaT value significance
What is the significance of deltaT value?Can we use different value? What happens if we increase or decrease its value?How it relates to courant (CFL) number?
08-09M 0-10S divyesh7
Answer last updated on: Sept. 23, 2020, 9:46 a.m.
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What is zeroGradient boundary condition?
What is the meaning of zeroGradient boundary condition?
04-05M 20-30S divyesh7
Answer last updated on: Sept. 23, 2020, 9:35 a.m.
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What is noSlip boundary condition?
What is the meaning of noSlip boundary condition?
04-05M 50-60S divyesh7
Answer last updated on: Sept. 23, 2020, 9:31 a.m.
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Why dimensions/Units of pressure are m^2/s^2 ?
Pressure dimensions/units should be kg/m*s^2. why it is different here?
04-05M 0-10S divyesh7
Answer last updated on: Sept. 23, 2020, 9:26 a.m.
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Why $FOAM_RUN directory required?
Do we really need $FOAM_RUN directory? Why it is required? Why it does not comes with installation?
00-01M 50-60S divyesh7
Answer last updated on: Sept. 23, 2020, 9:19 a.m.
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Does tutorial directory contains any video instruction?
Does these tutorial directory have any instructions on how to run case files. Video instructions or any Readme file?
02-03M 0-10S divyesh7
Answer last updated on: Sept. 23, 2020, 9:13 a.m.
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4
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6
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13
Flow in a Convergent-Divergent Nozzle
Questions posted on ST Forums:
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Outline:
Setting-up a Test Case in OpenFOAM: Create Run directory Copy a case from Tutorial directory to Run directory Overview of blockMeshDict Overview of 0 folder Contents of p and U files Overview of transportProperties file Parameters in controlDict file blockMesh command icoFoam solver paraFoam command View contour plots in ParaView
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| Duration: | 00:11:56 | Size: | 6.4 MB |
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