1) generalized tetrahedron polar coordinate
广义四面体极坐标
1.
This paper suggests generalized tetrahedron polar coordinate and a smoothness condition and it is its specific application to change “singular” boundary element method to “non-singular” boundary element method so as to reach higher accuracy and efficiency.
提出了广义四面体极坐标和一个光滑条件 ,利用常规高斯求积实现对n(≥ 2 )维欧氏空间中各阶强、弱奇异积分的数值估值。
2) Tetrahedron of reference
坐标四面体
3) Generalized solution in polar coordinate
极坐标广义解
4) coordinate tetrahedron
坐标四面形;坐标四面体
5) generalized cylindrical coordinate
广义柱面坐标
6) generalized coordinates
广义坐标
1.
On selecting generalized coordinates in virtual displacement principle;
也谈虚位移原理中广义坐标的选择
2.
For linear systems,the goal could be reached by controlling a set of generalized coordinates of the system.
分析分析了对多自由度系统采用多个单输入单输出的控制方法的条件 ,即控制线性系统的一组广义坐标来达到控制整个系统的目的。
3.
A relativistic transformation of generalized coordinates is discussed and it is found that the first law of thermodynamics and the equation of state of an ideal gas are invariant with respect to the relativistic transformation of generalized coordinates, so that the existence of relativistic transformation of generalized coordinates is reasonable.
讨论了一个涉及热力学的广义坐标的相对论变换 ,发现热力学第一定律和理想气体状态方程对广义坐标的相对论变换具有不变性 ,表明广义坐标的相对论变换有其存在的理由 。
补充资料：四面体坐标
四面体坐标
tetrahedral coordinates
四面体坐标【tetr血d旧以犯峭帕tes;TeTP幻叩助‘HoeICOOp八.”aT“]，三维空间中点尸的 四个数x，，xZ，x3，x4，它们与从点p到一个固定的(不一定是正的)四面体(tetrahedron)的四个面的距离成比例(具有给定的比例系数).类似地，可以引人任何维的一般正规坐标.四面体坐标对应的二维情况是所谓的三线坐标(t函址ar coo威nates).亦见重心坐标(加苹en加c coordinates). 八.八.CoKoJIoB撰
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参考词条