在蒲丰投针问题的基础上,把投掷物由一维的针推广到二维的凸曲线,三维的正四面体、正六面体;
This paper tries to generalize the throwing objects from the one dimension pin to the convex curve in two dimension, and even the three dimensional regular tetrahedron and regular hexahedron .
提出了利用正四面体的某些截面表示一定组成,得出相分离曲线和相分离曲面,并能较好地描述四元体系。
Some of the cross sections are used to stand for a certain component, and semiternary phase diagrams are ploted, then a quaternary phase diagram shown in a tetrahedron is obtained.
文中导出了正方排列和正三角梭锥(正四面体)排列两种型式的三维(立体)声系统作为这组公式应用之例。
At last, the cases of three dimensional surrounding sound systems with cube array and triangular pyramid array models by using these formulas are illustrated for example in this paper.
该改进的MT算法用标准的正四面体单元取代传统的正六面体单元分割成的四面体单元作为MT算法的网格初始化单元。
This improved MT algorithm use standard tetrahedron as the initialized mesh unit instead of the tetrahedron dividing from the hexahedron.
其中,边界引力有效解决了流场边界恢复和内嵌边界问题,弹簧振子和正四面体趋进技术有效调整网格结构并提高网格质量。
By boundary attraction the mesh boundary approached the domain boundary and inner-domain boundary, the spring and equilateral tetrahedron approach method optimized the mesh structure effectually.
其中,边界引力有效解决了流场边界恢复和内嵌边界问题,弹簧振子和正四面体趋进技术有效调整网格结构并提高网格质量。
By boundary attraction the mesh boundary approached the domain boundary and inner-domain boundary, the spring and equilateral tetrahedron approach method optimized the mesh structure effectually.
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