HP MPI or MPICH2?
 

Dear all, I have read everything about solver HP MPI and MPICH2.
Which are the difference between these two?
I have read the tutorial and the help file without succed.
Thanks

MPI is not a solver it is an interface for parallel communication.

I know taht it is not a solver, but I looked for it in the solver section of ANSYS. I am clear about that it is not a solver, but I don´t know the difference between these two tipe of interface for parallel communication

I don't know the specific differences between them. They are just two implementations of the MPI standard. Which one you should use depends on your hardware. Have you tried both and did they work?

No I haven´t done any try.

If you are not sure which to use just give one a try. If it works, great. If not, try the next one. There shouldn't be a difference in the results you get with one versus the other in the hypothetical situation where you have both installed and functioning on your system.