当单元破裂后，将破裂单元作为内部边界，利用有限元方法计算由于这个单元破裂对系统其他单元造成的应力调整。
After a cell is broken, the stress adjustments of the other cells in the system are obtained by finite element method using the broken cell as inner boundary.
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 mixed method of boundary element and fractal finite element is adopted to solve the cracked structure-acoustic coupling problems.
本文将离散的局部透射边界与集中质量有限元方法相结合，用于模拟粘弹性成层介质中的稳态波动。
In this paper, a discrete local transmitting boundary is combined with a lumped-mass finite element technique for simulating steady wave motion in the viscoelastic layered medium.
着重讨论了包括有限差分法、有限元法和边界元法等在内的数值方法。
The emphasis is placed upon the numerical methods, including finite difference method, finite element method, boundary element method and so on.
介绍门型架有限元模型的建模方法、边界条件的选择等。
The modeling method of the portal framed structure and the boundary condition were described.
比例边界有限元法（SBFEM）是一种半解析数值分析的新方法。
The Scaled Boundary Finite-Element Method (SBFEM) is a novel semi-analytical technique.
介绍了棱边有限元法中选取边界树的原理和方法，提出了矩阵求秩法计算边界树，并结合实例说明其有效性．。
This paper discusses a method of selecting the boundary tree in edge finite element method, proposes the matrix rank method and introduces its applications.
在有限元模型的建立过程中，不但考虑了边界条件的处理与简化，还考虑了骨架结构以及作用在其上的载荷的处理方法。
The FEM model also involves treatments of boundary conditions, simplified treatment of some skeleton parts and deals with the fixed weight and loading that is put on the structure.
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 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.
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 paper presents a new symmetric coupling approach of BEM and FEM, which is based on the sub-region variational principle.
将有限元与薄壁杆件弯扭理论两种计算方法进行了分析对比，提出了模型化及边界处理的方法。
This paper carries out the comparison between FEM and the theory of thin-walled bar's bending and torsion and gives the methods for modelling and boundary processing.
目前，解决这类问题的数值方法主要有有限差分法、有限元法、边界元法、积分方程法、传输线法等。
At present, the common numerical methods are finite difference, finite element, boundary element, integration equation and transmission line method.
本文阐述有限元与边界元耦合的基本方法，并对地下工程中线弹性问题的耦合法进行了尝试。
In this paper, coupling methods of finite element method and boundary element method are expounded, and the coupling methods of linear elastic problems for underground engineering are tried.
并通过与边界积分方法比较，验证了有限元—人工透射边界方法对解决此类问题的有效性。
The efficiency of above-mentioned method for solving these problems is tested by comparison with the boundary integral method.
采用梁单元、有限元、边界元、无限边界元相结合的方法，建立了频域中结构-半无限地基系统的分析模型。
In this paper, a coupling model of Beam element finite element boundary element Infinite boundary element for the analysis of structure foundation system in frequency domain is established.
本文中采用边界积分方程和有限元耦合的数值方法，计算了二维波浪绕射和辐射问题。
The numerical method of coupled boundary integral equation and finite element has been used to compute the forces of wave diffraction and radiation on large two dimensional objects.
进一步和有限元法相结合，得到了能够分析具有任意边界条件和几何形状的复合材料叠层厚板的半解析数值方法即哈密顿单元方法。
Combined with the finite element method, the semi-analytical numerical method presented can be used to analyze thick composite laminates with arbitrary boundary conditions and geometrical shapes.
以ZL 15装载机为例给出了有限元模型的建立方法和边界条件的施加方法。
ZL15 wheel loader was taken as an example to illustrate the methods for establishing finite element model and applying boundary conditions.
基于有限元分析方法，对运煤敞车的结构简化、单元选取、边界及约束处理等建模技术进行阐述。
The structure simplification of the open boxcar, choosing elements type, and disposing the boundary and restriction of the model are introduced.
研究了无穷边界的二阶椭圆问题，探讨了将其转化为一阶系统的最小二乘有限元逼近方法。
A least-squares mixed finite element methods for the first-order system formulation of second-order elliptic problems and a formulation for the infinite boundary conditions are presented.
具体推导了柱坐标下的有限元列式，并给出了周期对称边界条件的处理方法。
FEM formula in the cylindrical coordinates system is derived and the methods of dealing with the periodic symmetric boundary coordinates are given.
将比例边界元方法引入路面结构的动态响应求解，并与有限元方法进行对比分析。
The scaled boundary element method is used to calculate the deflection of pavement structure under dynamic loads.
对双搭接接头进行了边界元应力分析，并和有限元结果进行了对比，从而证实本文方法的有效性。
The BEM technique for adhesive-bonded structure proves valid by comparing the stress distribution for double lap joint calculated in this paper with that calculated by finite element method.
建立了地下铲运机整机结构有限元模型，提出铰销、油缸、轮胎及边界条件的模拟方法。
The FE model for the underground LHD machine's bodywork structure was built and the simulation methods for its joint, hydraulic actuator, tyre and boundary conditions were proposed.
通过大量的数值试验，对连杆有限元分析的边界条件的处理方法进行了探讨。
This paper discusses the methods for treating the connecting rod by finite element analysis.
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。
The main numerical modelling techniques for vibro-acoustic analysis are based on element based method, such as the finite element and boundary element method.
在正演方面，着重分析了有限元正演方法的基本方程序，边界条件以及二维大地电磁场的有限元解法。
As to forward, emphasis is on analyzing basic equations, boundary conditions and finite-element solutions for magnetotelluric field in two dimension of finite-element forward method.
提出了三角形油藏在不同边界条件下的试井理论模型，并用有限元方法对问题进行了求解，得到了不同情况下的试井理论曲线。
A new well test model for the triangular reservoir with different boundary conditions is developed in this paper. The typical curves for the new model are calculated by the FEM method.
本文采用一种类似于差分方法的集中质量有限元模型和人工边界透射理论分析倾斜成层弹性半空间中瞬态SH波的近场波动问题。
In this paper, a finite element method with lumped mass formulation is applied to analyse the transient SH wave propagation in an elastic half-space with a dipping layer.
本文采用一种类似于差分方法的集中质量有限元模型和人工边界透射理论分析倾斜成层弹性半空间中瞬态SH波的近场波动问题。
In this paper, a finite element method with lumped mass formulation is applied to analyse the transient SH wave propagation in an elastic half-space with a dipping layer.
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