We cannot say anything without the full error message. Matt
On Mon, Jul 20, 2015 at 9:38 AM, [email protected] < [email protected]> wrote: > Dear Petsc-Users, > > > > I am trying to use PETSc to solve a set of linear equations arising from > Naviers equation (elastodynamics) in the frequency domain. > > The frequency dependency of the problem requires that the system > > > > [-omega^2M + K]u = F > > > > where M and K are constant, square, positive definite matrices (mass and > stiffness respectively) is solved for each frequency omega of interest. > > K is a complex matrix, including material damping. > > > > I have written a PETSc program which solves this problem for a small (1000 > degrees of freedom) test problem on one or several processors, but it keeps > crashing when I try it on my full scale (in the order of 10^6 degrees of > freedom) problem. > > > > The program crashes at KSPSetUp() and from what I can see in the error > messages, it appears as if it consumes too much memory. > > > > I would guess that similar problems have occurred in this mail-list, so I > am hoping that someone can push me in the right direction… > > > > Mahir > > > > > > > > > -- What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead. -- Norbert Wiener
