Applied Mathematics and Mechanics (English Edition) ›› 1993, Vol. 14 ›› Issue (3): 269-276.

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SYMMETRIC FORMULATION OF TANGENTIAL STIFFNESSES FOR NON-ASSOCIATED VISCOPLASTICITY WITH AN IMPLICIT TIME INTEGRATION SCHEME

Xiong Wen-lin   

  1. Wuhan University of Hydraulic and Electric Engineering, Wuhan
  • Received:1990-09-28 Online:1993-03-18 Published:1993-03-18

Abstract: A numerical scheme is presented which enables the use of symmetric equation solvers in tangential stiffness programs for non-associated viscoplastic materials.

Key words: viscoplasticity, non-associated, tangential stiffnesses, symmetric

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