Hi
I'm building a 2D, time dependent model relating to Solid Mechanics/Heat Transfer in Solids/Coefficient Form PDE. They are coupled by the thermal expansion and swelling of the solid. The creep deformation of the solid is also included. I've generated a mesh of ~4000 elements and of 450 000 DOF. The default solver is used and is running on a computer of 64 cores and 96G RAM.
However, the time step taken by the solver is about 1/1 000 of the total time range and the time cost is huge on the solving. I've tried ways of :
1, BDF method while setting the steps taken by the solver as STRICT, and the initial step is given manually.
2, Segregated instead of Fully coupled
3, refining the mesh to about 8000 element and 850 000 DOF
And still running very slow.
Is there anyone have any idea about accelerating the solving process?
Thank you!
XiaoKang
I'm building a 2D, time dependent model relating to Solid Mechanics/Heat Transfer in Solids/Coefficient Form PDE. They are coupled by the thermal expansion and swelling of the solid. The creep deformation of the solid is also included. I've generated a mesh of ~4000 elements and of 450 000 DOF. The default solver is used and is running on a computer of 64 cores and 96G RAM.
However, the time step taken by the solver is about 1/1 000 of the total time range and the time cost is huge on the solving. I've tried ways of :
1, BDF method while setting the steps taken by the solver as STRICT, and the initial step is given manually.
2, Segregated instead of Fully coupled
3, refining the mesh to about 8000 element and 850 000 DOF
And still running very slow.
Is there anyone have any idea about accelerating the solving process?
Thank you!
XiaoKang