Export Grid2D as .mesh or .msh file

Hello, I am using Fipy 3.1. if I have m = Grid2D(nx=3,ny=3,dx=1.,dy=1.) is it possible to export m as .mesh or .msh file? Relevant known: I know dump.write(m, 'm.gz') can save as .gz file. Also know fipy.meshes.numMesh.gmshExport.exportAsMesh(/mesh/, /filename/) which is not available in

Tensor coefficients in 3D simulations

Hello, I have started using FiPy to do 3D phase-field simulations, and have encountered some warning messages when I use tensor coefficients in the DiffusionTerm. Here is a simple test code using the identity matrix for the coefficient:

Re: pickle/dump

Hi Bill, Sorry for taking so long to respond. I tried running the scripts again in the different conda environments (with and without Trilinos) and do indeed get the same error as you. I probably didn't switch environments properly when I tried this before. Anyway, I think I've fixed the issue,