I've solved it. Basically, instantiate the mesh as usual, and fetch the forces, acceleration on each node by node.GetForce() and node.GetDt() and such methods.
If only Chrono had a GPU solver for FEA... On Tuesday, September 10, 2024 at 11:48:37 AM UTC+1 Maksym Riabov wrote: > Sup Project Chrono, > > > I’m building a physics-accurate AI using Project Chrono as a sim - one > that doesn’t just store bodies, but also stores stresses, strains, heat > transfer, etc. > > I’ve set up the sim part, but now I don’t get the export. I’ve looked > through chrono/src/chrono/utils/ChUtilsInputOutput.h > <https://github.com/projectchrono/chrono/blob/858cd22d21a6c43719fff9c0113747cb991863cf/src/chrono/utils/ChUtilsInputOutput.h#L59>, > > and read through a bunch of code files related to “export”, but they all > seem to export only solid body positions, rotations, speeds and not > stresses, displacements of mesh. In the case of .vtk it does export mesh, > but I can’t explicitly access the tensors of stress/strain. > > Basically I need the tensors of the following: > > 1. > > Stresses, > 2. > > Strains, > 3. > > Body positions with mesh, > 4. > > Linear and angular speeds, > 5. > > Heat transfer, > 6. > > Fluid dynamics; > > > So, everything for physically accurate simulation of 99% of physical > environments. FEA type of information. > > Where can I get this data? If I have it, I’ll write to CSV on my own, but > I need the data, and can’t find it. > > Cheers, > Maksym Riabov > (I write in python, but..) -- You received this message because you are subscribed to the Google Groups "ProjectChrono" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/projectchrono/e9b012c1-1d16-445e-be21-8a2c5e266c71n%40googlegroups.com.
