A PETSc-Based Parallel Implementation of Finite Element Method for Elasticity Problems

Table 1

Serial performance of the PCG (coarse mesh).

Preconditioner	Single material		Bimaterial
	Iterations	Solution time; (unit: sec.)	Iterations	Solution time; (unit: sec.)
None	563	5.932	1645	17.215
Jacobi	507	5.407	1466	15.523
SOR	330	6.357	977	18.586
AMG	182	7.542	535	21.459