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Title: Solving Nonlinear Solid Mechanics Problems with the Jacobian-Free Newton Krylov Method

Journal Article · · CMES: Computer Modeling in Engineering & Sciences
OSTI ID:1045497

The solution of the equations governing solid mechanics is often obtained via Newton's method. This approach can be problematic if the determination, storage, or solution cost associated with the Jacobian is high. These challenges are magnified for multiphysics applications with many coupled variables. Jacobian-free Newton-Krylov (JFNK) methods avoid many of the difficulties associated with the Jacobian by using a finite difference approximation. BISON is a parallel, object-oriented, nonlinear solid mechanics and multiphysics application that leverages JFNK methods. We overview JFNK, outline the capabilities of BISON, and demonstrate the effectiveness of JFNK for solid mechanics and solid mechanics coupled to other PDEs using a series of demonstration problems.

Research Organization:
Idaho National Lab. (INL), Idaho Falls, ID (United States)
Sponsoring Organization:
DOE - NE
DOE Contract Number:
DE-AC07-05ID14517
OSTI ID:
1045497
Report Number(s):
INL/JOU-11-22230; TRN: US1203629
Journal Information:
CMES: Computer Modeling in Engineering & Sciences, Vol. 84, Issue 2
Country of Publication:
United States
Language:
English