Can't run FSI module correctly
Chiny Lan
Hi, I installed Chrono on Windows and tried the demos. All demos run correctly, except the FSI demos.
Only demo_FSI_BCE.exe can run and generate files in the folder DEMO_OUTPUT. The other FSI demos and utest run like this with no visulization, and the output folder is empty. My configuration is like this.
I also test the main/release/fsi branches on Windows and Ubuntu 20.04, they all can't work correctly. On Ubuntu, it put out segmentation fault.
Radu Serban
There was indeed a bug in Chrono::FSI. I pushed a fix (to the ‘main’ branch of the GitHub repository). Please let me know if you encounter any other problems.
--Radu
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Chiny Lan
Radu Serban
That demo is a poorly written piece of code. It expects you to give just the name of the JSON file, not the full path to it. In other words, invoke it as:
./demo_GPU_terrainBox_SMC demo_GPU_terrainBox_SMC.json
I’ll try to find some time to clean up these Chrono::GPU demos and their associated data files.
--Radu
From: projec...@googlegroups.com <projec...@googlegroups.com>
On Behalf Of Chiny Lan
Sent: Tuesday, 20 December 2022 05:27
To: ProjectChrono <projec...@googlegroups.com>
Subject: Re: [chrono] Can't run FSI module correctly
Thanks for your work.
I also noticed that the demo_GPU_terrainBox_SMC can't run after passing the JSON file in ../data/gpu. The error is Invalid JSON file.
Moreover, I'm a biginner to Chrono. I want to simulate wheel-soil interaction using DEM or SPH with Chrono, and I would like to ask which demo I can refer to. :-)
在2022年12月20日星期二 UTC+8 01:27:28<Radu Serban> 写道：
There was indeed a bug in Chrono::FSI. I pushed a fix (to the ‘main’ branch of the GitHub repository). Please let me know if you encounter any other problems.
--Radu
From: projec...@googlegroups.com <projec...@googlegroups.com> On Behalf Of Chiny Lan
Sent: Monday, 19 December 2022 12:52
To: ProjectChrono <projec...@googlegroups.com>
Subject: [chrono] Can't run FSI module correctly
Hi, I installed Chrono on Windows and tried the demos. All demos run correctly, except the FSI demos.
Only demo_FSI_BCE.exe can run and generate files in the folder DEMO_OUTPUT. The other FSI demos and utest run like this with no visulization, and the output folder is empty. My configuration is like this.
I also test the main/release/fsi branches on Windows and Ubuntu 20.04, they all can't work correctly. On Ubuntu, it put out segmentation fault.
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Radu Serban
FYI, I cleaned up the Chrono::Gpu demos. Note that I also made some name changes (e.g., that demo_GPU_terrainBox_SMC is now called demo_GPU_soilBin).
As for your question about simulating wheel-soil interaction, you should look at the Chrono::Vehicle co-simulation framework and the various associated demos (demo_VEH_Cosim_***). Those allow you to co-simulate a wheeled or tracked vehicle with any of the terrain representations in Chrono, including granular or SPH.
--Radu