The direct boundary element method used in sound field analysis is studied.
研究了用于声场分析的直接边界元法。
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.
在用直接边界元法解决弹性问题时，当场点与加载点重合时，边界积分方程将出现奇异。
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的潜艇尾部结构模型，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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