若规定简单拉伸时两种屈服条件重合，则两者的等效塑性应变增量的相对偏差为15 .5 % ；

Their relative deviation of the equivalent plasticity strain increments was 15.5%, assuming that the two conditions coincide under simple tension;

youdao

讨论了等效转动矢量法及其衍生的一系列修正算法和优化算法，并作了精度分析和数字仿真，并对根据角增量提取角速率的方法进行了研究和验证。

It is discussed that the optimized attitude algorithms and corrected attitude algorithms which are derived from the former. Then those are analyzed and emulated in Matlab.

youdao

平砧锻造是塑性大变形问题，本文采用随动坐标系跟踪流动质点，利用能量法分步计算质点位移增量、等效应变场等，然后叠加。

To improve the accuracy of large floating point number calculatation, an iterative approach of inverse transformation for Gauss projection with floating coordinate system is presented.

youdao