For our FEA code we have used PETSc to solve mechanical eigen problems using subspace as well as parallel-ARPACK. It works well and is not that hard to program. Though we sort of cheat and have each processor solve the (same) small dense problem at the end. So there is a bit of waste in the simple implementation -- but it is minor for your average mechanical problem.
On 3/17/13 9:37 AM, Sonya Blade wrote: > Dear All, > > I'm pretty new to the Petsc library, before going into installation hassle, > I'd like to know is it possible solve common eigenvalue problems mainly > encountered in solid mechanics engineering such as Subspace iteration,Jacobi > method, simultaneous iteration, Stodola etc..with Petsc. > > Mainly those problems comes in stiffness and mass matrices form, where in > general > they are symmetric and can be huge in size e.g 5000x5000. > > If it's possible to solve those type of problems with Petsc then is it > trouble free the installation of library with Gnu GCC and gfortran on Win64? > > Your help will be appreciated, > > REgards,
