2D Linear elasticity. Multigrid

n rel level ω

This GPU based script draws Xi,n/4 cross-section after one multigrid V-cycle with the reduction level = 6 and "deep" relaxation iterations 2rel. Boundaries are fixed
Fxi,j = Fyi,j = sin(2πi/n) sin(2πj/n).
See also 2D Linear elasticity. Weighted Jacobi relaxation
Simulations on GPU     updated 26 July 2012