Development of elastoplastic model simulator using MATLAB GUI

YIN Zhen-yu; CHEN Jia-ying; WU Ze-xiang; JIN Yin-fu

doi:10.16285/j.rsm.2020.1380

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Development of elastoplastic model simulator using MATLAB GUI

更新时间：2026-06-25

- Development of elastoplastic model simulator using MATLAB GUI
- Vol. 43, Issue S2, Pages: 524-532(2022)
- 作者机构：
  
  1. 香港理工大学土木与环境工程系,香港
  2. 中交第三航务工程勘察设计院有限公司,上海,200032
  3. 温州大学建筑工程学院,浙江,温州,325000
- 作者简介：
- 基金信息：
- DOI：10.16285/j.rsm.2020.1380
  CLC： TU41
- Online First：10 October 2022，
  
  Published：2022
- 稿件说明：
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YIN Zhen-yu, CHEN Jia-ying, WU Ze-xiang, et al. Development of elastoplastic model simulator using MATLAB GUI[J]. 2022, 43(S2): 524-532.
DOI：

YIN Zhen-yu, CHEN Jia-ying, WU Ze-xiang, et al. Development of elastoplastic model simulator using MATLAB GUI[J]. 2022, 43(S2): 524-532. DOI： 10.16285/j.rsm.2020.1380.

摘要

大多数工程师乃至学者未能完全理解高级本构模型，给理论联系实践带来了极大的困难。以粒状材料弹塑性本构模型SIMSAND为例，开发了一个基于本构模型的土工试验模拟工具。首先简要介绍MATLAB GUI的开发环境，接着按界面开发的步骤做循序渐进的描述：总体版面设计、控制参数输入的设计、勾选框的设计、结果显示设计、控制按钮设计、错误或警告提示设计等。为了便于理解，特选定了3个案例来研究模拟粒状材料的常规三轴不排水试验、常规三轴排水试验以及常平均应力条件下的三轴排水试验，并从塑性乘子出发推导了3个关键公式、伪代码编写及巧妙的修正。此工具平台的详细开发过程以及关键源程序将有助于读者模仿和训练，为岩土力学和岩土工程领域的本构模型实践提供研究和教学的范例及支持。

Abstract

Most engineers and even scholars can not fully understand advanced constitutive models

which brings great difficulties to the integration of theory with practice. In this paper

the elastoplastic model SIMSAND for granular material is taken as an example of constitutive models to develop a simple tool for modeling soil tests. Firstly

the development environment of MATLAB GUI is briefly introduced

and then the steps of interface development are described step by step such as overall layout design

control parameter input design

tick box design

result display design

control button design

error or warning prompt design. In order to study and train the readers

three cases are selected to study the conventional undrained triaxial test

the conventional triaxial drained test and the triaxial drained test with constant mean stress. Starting from the plastic multiplier

three key formulas with pseudo codes are derived and presented with modifications. The detailed development process and key source program of this tool platform will help readers to imitate and train

and provide examples and support for research and teaching in practice of constitutive modeling.

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