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Development of a Pressure-Dependent Constitutive Model with Combined Multilinear Kinematic and Isotropic HardeningThe development of a pressure-dependent constitutive model with combined multilinear kinematic and isotropic hardening is presented. The constitutive model is developed using the ABAQUS user material subroutine (UMAT). First the pressure-dependent plasticity model is derived. Following this, the combined bilinear and combined multilinear hardening equations are developed for von Mises plasticity theory. The hardening rule equations are then modified to include pressure dependency. The method for implementing the new constitutive model into ABAQUS is given.
Document ID
20040075896
Acquisition Source
Marshall Space Flight Center
Document Type
Preprint (Draft being sent to journal)
Authors
Allen Phillip A.
(NASA Marshall Space Flight Center Huntsville, AL, United States)
Wilson, Christopher D.
(Tennessee Technological Univ. Cookeville, TN, United States)
Date Acquired
September 7, 2013
Publication Date
October 30, 2003
Subject Category
Numerical Analysis
Meeting Information
Meeting: 2004 International ABAQUS Users'' Conference
Location: Boston, MA
Country: United States
Start Date: May 25, 2004
End Date: May 27, 2004
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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