Partitioned Transient Analysis Procedures for Coupled-Field Problems: Stability Analysis

Author:

Park K. C.1

Affiliation:

1. Applied Mechanics Laboratory, Lockheed Palo Alto Research Laboratory, 3251 Hanover Street, Palo Alto, Calif. 94304

Abstract

A general partitioned transient analysis procedure is proposed, which is amenable to a unified stability analysis technique. The procedure embodies two existing implicit-explicit procedures and one existing implicit-implicit procedure. A new implicit-explicit procedure is discovered, as a special case of the general procedure, that allows degree-by-degree implicit or explicit selections of the solution vector and can be implemented within the framework of the implicit integration packages. A new element-by-element implicit-implicit procedure is also presented which satisfies program modularity requirements and enables the use of single-field implicit integration packages to solve coupled-field problems.

Publisher

ASME International

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics

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