The paper presents a new symmetric coupling approach of BEM and FEM, which is based on the sub-region variational principle.
本文从弹性力学分区变分原理出发，提出一种新的有限元与边界元的对称耦合方法。
The stresses and deformations of rocks during tunnel excavation are predicted using an ANN approach based on results of FEM simulation.
在有限元法计算结果的基础上，用神经网络方法对洞室施工期应力及变形进行预测。
An analytical approach of vibration isolation effect for floating raft system is given in this paper based on the impedance FEM.
基于阻抗有限元法编制了浮筏装置隔振效果的计算分析方法。
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