geodetic mixed boundary value problem 大地测量混合边值问题
nonlinear mixed boundary value problem 非线性混合边值问题
mixed data boundary value problem 混合边值问题
Consider the following mixed boundary value problem for the Helmholtz equationWhere k>0is wave,the constantσ＞0 is boundary impedance coefficient.
考虑以下混合边值问题:其中k＞0是波数,常数σ＞0是边界阻抗系数,υ是相应边界的外法向导数。
参考来源 - 环形区域上Helmholtz方程混合边值问题的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
A generalized variational principle involving conditions of the rigid-plastic interface and the discontinuous surface of a velocity field has been put forward for the mixed-boundary value problem.
提出了一个包括界面条件及间断面条件在内的混合边值问题的广义变分原理，建立了极限载荷乘子的变分解析公式。
A variational principle is presented in this paper for directly calculating the potential coefficients in solving the mixed boundary value problem.
本文提出了利用变分法解混合边值问题直接计算位系数的原理。
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