An elasto-viscoplastic model for Drucker-Prager material based on consistency theory

CHU Wei-jiang; SU Jing-bo; XU Wei-ya

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An elasto-viscoplastic model for Drucker-Prager material based on consistency theory

更新时间：2026-06-25

- An elasto-viscoplastic model for Drucker-Prager material based on consistency theory
- Vol. 29, Issue 3, (2008)
- 作者机构：
  
  河海大学岩土工程研究所,南京,210098
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU431
- Online First：19 July 2013，
  
  Published：2008
- 稿件说明：
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CHU Wei-jiang, SU Jing-bo, XU Wei-ya. An elasto-viscoplastic model for Drucker-Prager material based on consistency theory[J]. 2008, 29(3).
DOI：

CHU Wei-jiang, SU Jing-bo, XU Wei-ya. An elasto-viscoplastic model for Drucker-Prager material based on consistency theory[J]. 2008, 29(3). DOI：

摘要

系统地论述了一致性理论的主要内容，推导了相关的黏塑性切线模量，并在前人工作的基础上研究了类Hoffman材料的推广条件及其一般性的推广方法；将线性Drucker-Prager模型(简称D-P)推广到一致性的黏塑性模型；给出了推广后模型的向后欧拉算法的有限元离散列式；最后将数值算例和试验成果进行对比，验证了一致性的线性D-P模型的有效性。

Abstract

The main contents of consistency theory is discussed systematically; the coherent viscoplastic tangent modulus is deduced; also the generalization condition and method for analogy Hoffman material is researched base on some result of Winnicki and Xiao-shiyun; and linear Drucker-Prager model is generalized to consistency model; backward Euler algorithm of FEM for generalized model is presented; the results of numerical example is compared with experiment data to show the validity of consistency Drucker-Prager model finally.

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