Re: [Libmesh-users] Strategies to reduce memory usage?

[Kirk, B. (JSC-EG311) <ben...@na...>]

On Jul 12, 2013, at 4:04 PM, subramanya sadasiva <po...@ou...> wrote:

> I have 4 implicit systems and 1 explicit system 
> the 4 implicit systems have 1,3,2 and 1 variable and the explicit system (for stresses etc ) has 14 variables . The case I ran had only 250000 HEX20 elements.  most of the systems are solved with linear elements except the elasticity solver for which I use quadratic elements.

It seems then that you may be allocating storage for all matrices at the same time, then.  You could manually clear the matrices between solves I'd guess and save a lot of storage.

-Ben