The fundamental theories of acoustic finite element method and finite volume method, as well as the related software SYSNOISE and FLUENT are introduced.
介绍了声学有限元法和有限体积法的基本原理及相应的商业软件SYSNOISE和FLUENT。
The mixed method of boundary element and fractal finite element is adopted to solve the cracked structure-acoustic coupling problems.
应用分配形有限元和边界元相结合的方法于含裂纹的结构声相互作用问题。
The dependence of amplitude of first break for acoustic logging in cased borehole on the thickness of microannulus is studied in this paper with Finite Element Method (FEM).
本文采用有限元计算方法研究了微环厚度对套管井声波测井初至波幅度的影响。
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。
The effects of casing diameter on acoustic log in cased-borehole at free pipe situation are investigated with finite element method (FEM).
用有限元方法研究了自由套管井中不同直径的套管对声波测井的影响。
The main numerical modelling techniques for vibro-acoustic analysis are based on element based method, such as the finite element and boundary element method.
分析振动-声的数值方法主要是基于单元的方法，如有限元和边界元。
Firstly, the paper deeply describes related knowledge of acoustic horn as well as basic principle of (FEA) the finite element analysis method.
本文首先深入阐述了变幅杆的相关知识以及有限元分析的基本原理。
Based on the acoustic wave equation and structural motion equation, the vibration characteristics from the fluid loaded stiffened cylindrical double shell are studied by using finite element method.
基于流体的波动方程和结构的动力方程，利用有限元方法研究了考虑流固耦合时的双层加肋圆柱壳体的振动特性。
Based on the theory of elastodynamics, the interaction of elastic surface acoustic waves with surface-breaking defect is studied numerically by using the finite element method.
基于弹性动力学理论，采用有限元方法数值模拟了声表面波沿金属表面传播及其与表面缺陷相互作用的过程。
Based on the theory of elastodynamics, the interaction of elastic surface acoustic waves with surface-breaking defect is studied numerically by using the finite element method.
基于弹性动力学理论，采用有限元方法数值模拟了声表面波沿金属表面传播及其与表面缺陷相互作用的过程。
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