1) volume conservation
体积不变
1.
By the definition of space deformation model and the analysis of calculation of the volume variation throughout deformation, the author proposes a “visual criterion” and translate the problem of volume conservation of deformed objects into a mathematical problem.
通过对空间变形模型的定义和变形过程中体积变化计算的分析,提出了一个“可视化准则”把变形物体体积不变问题表示为一数学问题,最后给出对该问题求解的迭代方法。
2) constant-volume principle
体积不变原则
1.
According to the constant-volume principle of plastic forming and the mechanical characteristics of flanging deformation,the calculation of the diameter of the pre-manufactured hole for flanging is disˉcussed.
根据塑性变形体积不变原则和翻边变形的力学特点,探讨了翻孔预孔孔径的计算方法,分析了现有的按弯曲件展开原则计算翻孔预加工小孔孔径方法的欠妥之处,提出了一个更合理的计算公式。
3) nonvariant-volume condition
体积不变条件
1.
According to the mechanics characteristic of nonvariant-volume condition and variˉant-thickness of material during deep drawing and by applying Pro/E model analysis function,a new simple and accurate method for calculating dimensions of drawing truckfest blank piece was deˉduced.
利用Pro/E模型分析功能,遵循塑性理论中体积不变条件及拉伸变形材料厚度有不同变化的力学特点,推导出一个关于筒形拉伸件坯料尺寸计算的简便、精确的新方法。
4) invariant volume element
不变体积元(素)
5) Law of Constant Volume
体积不变定律
1.
Moreover,Law of Constant Volume is expressed based on large deformation condition.
从工程线应变和工程切应变的物理概念出发,根据"轴对称"和"大变形"的特点,推导出相应的几何方程,另导出大变形条件下的体积不变定律。
6) volume-unaltered modified simplex method
体积不变改进单纯形法
补充资料:体积不变改进单纯形法
分子式:
CAS号:
性质:一种优化方法,在单纯形扩展之后,将除响应值最差的点以外的其余各单纯形顶点向扩展后的新顶点全面收缩,使单纯形在多维空间的体积保持与扩展前的体积相等。
CAS号:
性质:一种优化方法,在单纯形扩展之后,将除响应值最差的点以外的其余各单纯形顶点向扩展后的新顶点全面收缩,使单纯形在多维空间的体积保持与扩展前的体积相等。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条