The radiation damping matrix of the infinite element is derived.
推导了辐射无限元的辐射阻尼矩阵。
A new three dimensional infinite element is suggested and the related formulas have been derived.
建议采用一种新的三维无限单元，推导了这种单元的有关公式。
In the second chapter, the method and theory of mapping infinite element are dissertated in detail.
第二章对映射无限元的方法、原理进行了详细深入的论述。
DESIGN: a single sample study taking the data of L4 5 three dimensional infinite element model as object of research.
设计：以脊柱l4 ~5节段三维模型的相关数据为研究对象的单一样本研究。
This article is intended to give a new iterative method to calculate the combined stiffness matrix in the infinite element method.
本文对无限单元法中组合刚度矩阵的计算给出了一个新的迭代方法。
In this paper, the finite and infinite element method in numerical analysis for wave forces of three dimensional problem is examined.
本文研究了三维情况波浪力数值分析中的有限元-无限元方法。
Use finite element and infinite element technology, and unified method to simulate flow noise, vibration noise and sound propagation.
采用有限元和无限元技术，用统一的方法模拟流动噪声、振动噪声及声传播问题。
The article USES infinite element method to analyze the intensity and rigidity of bus body, and USES electrical measurement technique to testify infinite element model.
用有限元法对客车车身的强度、刚度进行了分析，用电测量技术对有限元模型进行了验证。
The computer program which can be used for deter - mining wave forces on cylinders with arbitrary section is written by using the finite-infinite element method proposed in this paper.
应用本文推荐的有限元一无限元方法，设计了计算任意截面形状柱体所受波浪力的计算机程序。
Based on the mapping infinite element principle, a coupling model of finite element and mapping infinite element is presented to solve materially nonlinear problem of joint in the roadbed.
结合映射无限元的基本原理，提出用有限元-映射无限元耦合模型来解决路基中节理的材料非线性问题。
A seven-node superparametric infinite element model for simulating semiinfinite plane elastic foundation is presented and the fundamental principles and formulas of the model are described.
本文提出一种七节点超参无穷元用于模拟半无限平面弹性地基的计算方法。
In order to reduce the effect of wave reflecting on artificial boundary, transmitting boundary and semi-infinite element are respectively used to treat the lateral and underside boundaries.
考虑到人工截断边界上波反射对计算结果的影响，分别用传递边界和半无限单元来处理侧面和底面边界。
A dynamic mapping infinite element is presented for characterizing the waves with different wave Numbers in homogeneous foundation and simulations of propagation behavior in different media.
本文提出了一种映射动力无穷元，这种单元不仅可以表征在均匀介质中传播的不同波数的波，而且可以模拟地基中不同介质内的波的传播特性。
Coupling analysis method of finite element and infinite element is proposed to be used in the structural anti-seismic analysis of metro tunnel on the basis of soil-structure interaction theory.
在土体与结构动力相互作用理论的基础上，提出用有限元和无限元耦合分析法对地铁隧道结构进行抗震分析。
Infinite element method is a relatively simple and practical method in simulating infinite region among numeric methods.
无限元法是目前数值方法中较为简便、实用的模拟无限域的方法。
Infinite element method is a relatively simple and practical method in simulating infinite region among numeric methods.
无限元法是目前数值方法中较为简便、实用的模拟无限域的方法。
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