Based on the modified principle of Complementary energy, a hybrid stress shell element is formulated in the cylindrical coordinate system.
本文基本修正的余能原理，在圆柱座标系内，提出了一种圆柱块杂交应力单元。
By using the theory of partially coherent light, the analytical expression for the mode coherence coefficients of flattened Gaussian beams has been derived in the cylindrical coordinate system.
利用部分相干光理论，推导出柱坐标系下平顶高斯光束模相关系数的解析表达式。
A general formula is derived for a finite-difference method (FDM) with non-uniform grids in a cylindrical coordinate system, and a perfectly matched layer (PML) is used for the boundary treatment.
在均匀格点的基础上，给出了基于柱坐标的全矢量非均匀格点有限差分方法(FDM)，并采用了完美匹配层(PML)边界条件。
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