tests in svFSIPlus

[Li Xia]

Hello,

I downloaded the latest VTK 9.3.0 and compiled svFSIPlus in Ubuntu22.04, planning to use it for emulation. I started learning from the example and copied the generated executable file svFSI into the folder of the example. During the simulation, the following problems have always occurred. I have not changed anything, and the file is guaranteed to have readable permissions. What could be the cause? Is it possible that it is caused by a mismatch in the VTK version?

Code: Select all

~/Downloads/svFSIplus-main/tests/cases/heats/diffusion_line_source$ ./svFSI svFSI_GMRES.xml
2024-02-21 17:55:43.085 (   0.115s) [    7F42D7843C80]       vtkXMLParser.cxx:364    ERR| vtkXMLDataParser (0x555d302759d0): Error parsing XML in stream at line 1, column 0, byte index 0: syntax error
2024-02-21 17:55:43.085 (   0.115s) [    7F42D7843C80]       vtkXMLReader.cxx:510    ERR| vtkXMLUnstructuredGridReader (0x555d3021e4d0): Error parsing input file.  ReadXMLInformation aborting.
2024-02-21 17:55:43.085 (   0.116s) [    7F42D7843C80]       vtkExecutive.cxx:729    ERR| vtkCompositeDataPipeline (0x555d3021c460): Algorithm vtkXMLUnstructuredGridReader (0x555d3021e4d0) returned failure for request: vtkInformation (0x555d3022e210)
  Debug: Off
  Modified Time: 93
  Reference Count: 1
  Registered Events: (none)
  Request: REQUEST_INFORMATION
  ALGORITHM_AFTER_FORWARD: 1
  FORWARD_DIRECTION: 0
  
  
terminate called after throwing an instance of 'std::runtime_error'
  what():  Failed reading the VTK file 'mesh/mesh-complete.mesh.vtu'.
Aborted (core dumped)

Thanks,
Li Xia

[David Parker]

Hello Li Xia,

What do you see if you do a ls -l command in the svFSIplus/tests/cases/heats/diffusion_line_source directory. Are the VTK files defined?

The svFSIplus tests are stored using Git Large File Storage (LFS). You need to do a git lfs pull command in a terminal to fetch the input VTK files.

Cheers,
Dave