NONSS: A New Method for Integrating Unified Constitutive Equations Under Complex Histories

Author:

Miller A. K.1,Tanaka T. G.1

Affiliation:

1. Department of Materials Science and Engineering, Stanford University, Stanford, Calif. 94305

Abstract

A new numerical method has been developed to facilitate the use of unified constitutive equations in finite-element codes. The method has high stability, permits large time increments, and generally is noniterative. The method has been embedded in a subroutine package called NONSS which can readily link to finite element codes. This paper summarizes the method’s development and gives examples of its behavior for a variety of cases.

Publisher

ASME International

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science

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2. Age-forming of beam structures ’ analysis of springback using a unified viscoplastic model;Proceedings of the Institution of Mechanical Engineers, Part L: Journal of Materials: Design and Applications;2005-01-01

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