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• The direct boundary element method used in sound field analysis is studied.

研究了用于声场分析直接边界

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• When the direct boundary element method (DBEM) is used to solve an elastic problem and the field point coincides with the load point, the boundary integral will be strange.

直接边界解决弹性问题时，当场加载重合时，边界积分方程出现奇异

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• The finite element model of underwater structure with shafting is built by ANSYS. The characteristics of structural acoustic radiation are investigated by the direct boundary element method.

使用ANSYS有限元软件建立带有推进轴系潜艇尾部结构模型，用直接边界元方法进行潜艇尾部结构水下辐射噪声特性分析。

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• The direct problem was solved by DRBEM, which eliminated the drawback of domain integral for classical boundary element method and resulted in pure boundary integral calculation.

问题采用双倒易边界求解该法避免了传统边界元法需进行区域积分缺点，仅需边界积分计算。

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• Based on transfer matrix method (TMM) and virtual boundary element method (VBEM), proposed a direct solution to 2-d sound-structure interaction problem under harmonic excitation is proposed.

本文基于传递矩阵(TMM)虚拟边界法(VBEM)，提出了一种求解激励作用下二维结构-声耦合问题直接法。

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• In this paper it is suggested to solve the direct problem of magnetic prospecting under complicated conditions by coupling finite element method and boundary element method.

本文提出用有限元边界法相结合复杂条件下勘探问题

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• In this paper it is suggested to solve the direct problem of magnetic prospecting under complicated conditions by coupling finite element method and boundary element method.

本文提出用有限元边界法相结合复杂条件下勘探问题

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