CalebDmArcher

> Thank you for your fast response. I was trying /examples/diffusion/steadyState/mesh1D/tri2Dinput.py and /examples/diffusion/steadyState/mesh20x20/tri2Dinput.py. Both of them have `viewer. plot()` and `input("finished")`. I tried the code by using PyCharm and the...

> And if you press **return**? > > Have you run [`examples/diffusion/mesh1D.py`](https://www.ctcms.nist.gov/fipy/examples/diffusion/generated/examples.diffusion.mesh1D.html)? That's where we [expect](https://www.ctcms.nist.gov/fipy/documentation/USAGE.html) people to start. If I press return, the program terminates (plot window closes) with...

Turns out that 50 * 50 * 50 grids require a huge amount of time for calculation. if it is 20 or 30 nodes on each direction, it is fine.

> I've found the same thing. I haven't had time to figure out why. My laptop can readily handle 2D problems with an order of magnitude more degrees of freedom....

> Why did you close this? It's a legitimate issue. I'm sorry! New to this forum and not very familiar with how the threads work. I will never close a...

> @zhengpuchen Were you able to resolve the problem? I have the same issue - installed both PyQt5 and Pyside2, doesn't work :( Not sure if you still need help....

I just tried the code below to calculate the total surface area. Seems like it is correct. Not sure why the top surface area is wrong. ``` exterior_faces = mesh.exteriorFaces...

A Gmsh developer suggested using `gmsh your_script.geo -nt 8 -algo hxt -` to mesh with a new 3D algo with 8 threads. So the code below has been tried which...

May I close this thread?