strain-optical equation

The theoretical equation of stress-strain curve of high-strength concrete suggested in the paper are in good agreement with the experimental curves.

采用的应力应变曲线方程与实测曲线吻合较好。

The thermal activation theory interpreted such a relationship and derived strain rate equation.

利用热激活理论不仅解释了这一关系，还获得了应变速率方程，指出控制合金拉伸形变的微观机制是原子扩散过程。

Ased on the principle of non-linear continuum mechanics, the differential equation and its incremental form of three-dimensional finite strain consolidation of saturated soil have been developed with Euler description method in this paper.

本文从连续介质力学的基本理论出发，用欧拉描述方法，建立了空间构形下饱和土体三维有限变形的固结微分方程及其增量表达式。

A geometric representation and equation of isotropic strain-hardening in a three-dimensional stress space

应力空间内强化方程与其几何描述

Based on the strain energy equation for the three-dimensional continuum, the finite element formulation for large deflection of three-dimensional beam is developed.

本文从三维连续体的应变能出发，推导了空间大挠度梁的静、动力学有限元方程。