[kmooney]

Howdy Foamer Pals,

Question for you guys, espcially anyone that might be using mesh motion and point smoothing:

I'm running a mesh motion case were I'm using the following settings to handle point smoothing (nothing fancy):

dynamicFvMesh dynamicMotionSolverFvMesh;

twoDMotion no;

solver laplace;

diffusivity quadratic;

When I run my solver it seems to always want to solve the point motion laplacian equations to what appears to some high tolerance (seems like a relTol setting but its hard to be sure).

Example convergence:

Time = 0.021578

Copy old S
DICPCG:  Solving for motionUx, Initial residual = 0.724811, Final residual = 7.22035e-07, No Iterations 47
DICPCG:  Solving for motionUy, Initial residual = 0.609974, Final residual = 5.55561e-07, No Iterations 44
DICPCG:  Solving for motionUz, Initial residual = 0.680765, Final residual = 5.95981e-07, No Iterations 44

I can't figure out how to change it even after trying to explicitly define motionU solver control in fvSolution or combing through the source for hints. I really only need a few iterations to do a decent job and it seems like a waste of time to converge point displacement this tightly.

Any thoughts?

Cheers!
Kyle