并利用三维动态有限元模拟了点焊接头疲劳裂纹扩展过程中频率变化特性。
Then the characteristics of frequency variation during the fatigue crack propagation process are simulated by three - dimensional dynamic finite element analysis.
边界界面动态接触约束与接触判断是3维复杂体积成形有限元数值模拟的关键技术问题之一。
One of the key technique problems is boundary dynamic contact constraint and contact judgment in FEA simulation for 3d complicated massive forming.
用本文编制的动力有限元程序可以较好的模拟三弯点梁在静态和动态冲击荷载作用下的弯拉特性。
The dynamic finite element program formulated in the paper can simulate the flexural-tensile property of the third-point flexural-tensile beams under static loading and impact loading.
扩展有限元是近几年出现的一种可方便模拟静态、动态裂纹的数值方法。
A new numerical method, extended finite element method (XFEM), which may conveniently simulate static and dynamic cracks, was introduced several years ago.
通过有限元软件LS-DYNA模拟了海冰与JZ20-2NW北高平台相互作用的动态断裂过程。
The dynamic fracture process of sea ice interacting with JZ20-2NW platform is performed on the basis of finite element software—LS-DYNA.
随后，采用ANSYS有限元模拟技术分别研究器件阻尼带隙宽度及其阻尼介质特性对器件动态冲击响应特性的影响。
Subsequently, the effects of damping gap width and the characteristics of damping media on the dynamic shock response of component was studied with ANSYS FEM technology.
采用刚粘塑性动力有限元模拟环轧动态过程，获得轧制过程中的分布量计算结果。
First, the paper presents the simulation of ring rolling processes by rigid-viscoplastic dynamic finite element method and the H-RING code.
利用三维有限元模拟和动态响应试验对点焊接头疲劳裂纹萌生和扩展特性进行了研究。
Fatigue crack characteristics are investigated based on the dynamic response simulation by finite element and the dynamic response experiments for tensile-shear spot-welded specimens.
借助动态显式有限元方法，对该六个零件组成的机构整体进行了三维非线性结构数值模拟。
Whole mechanism being treated as a combination of six main parts, three dimensions nonlinear structural simulation is completed by means of dynamic explicit finite element code.
介绍了脉冲锤击法检测实木地板损伤及测定其动态弹性模量的理论依据，并通过有限元模拟与试验验证了其可行性。
The theoretical basis of pulse hammer excitation method used to detect the damage and measure the dynamic elastic modulus of solid wood flooring is briefly explained.
在有限元模拟中，为了贴切实际加工过程，引进生死单元算法来模拟材料去除过程，通过动态施加载荷步来模拟刀具的运动。
In the course of FEM simulation, the birth-death element arithmetic was introduced into simulating material remove, and the kinetic Load-step was used to simulated tools work.
借助动态显式有限元方法，进行了三维非线性结构动力学模拟。
By means of dynamic explicit finite element method, 3d nonlinear structure is simulated.
利用大型有限元分析软件ANSYS，对空心球与钢管焊接件的温度场和应力应变场进行了三维数值动态模拟。
The 3d finite element numerical dynamic simulation of welding between hollow ball and pipe was carried out based on ANSYS.
此外，利用有限元ansys软件对PC B组件在整个红外再流焊炉中的焊接过程建立了实体模型，进行了PC B组件再流焊全过程的三维动态模拟和仿真。
Furthermore, the soldering process of PCBA in the whole infrared reflow soldering stove is modeled by the finite element software, ANSYS, and is simulated by the three-dimensional modelling.
以某型号工作台为例，对泡沫铝，环氧树脂填充结构工作台的静、动态特性进行了有限元模拟。
The static and dynamic finite element analysis of foam aluminum/epoxy filling structure worktable was carried out based on a certain worktable.
利用有限元软件A NSYS模拟出了金属切削的动态过程，同时获得已加工表面的加工硬化变形图及其数值解。
The dynamic process of metal cutting is simulated by using FEM software ANSYS. At the same time, the deformation graphics of surface hardening and its numerical solution are obtained.
利用三维有限元分析方法模拟了人体头部与复合材料层板发生柔性撞击时的整个动态响应过程。
The whole dynamic response process of the flexible impact between the human head and the composite material veneer is simulated using the3D finite element analysis method.
模拟现象与实验结果相符，动态平衡时的应力分布与有限元结果基本一致。
The split process caused by a reflected tension stress wave was reproduced. The simulated phenomena are in good agreement with the experimental results.
根据冲击动力学理论，采用三维动态有限元方法，模拟研究了地壳中的冲击波对地震触发的影响。
According to the impact dynamics theory, a 3-d dynamic FEM model is used to simulate the effect of the crustal impact waves on the earthquake triggering.
应用三维有限元分析，采用增量计算方法，对某围堰工程承台钢板桩围护结构进行了动态施工力学的三维数值模拟。
The staged construction mechanics of the steel sheet pile retaining structure for a cofferdam project are numerically simulated using 3D FEM incremental computing method.
应用三维有限元分析，采用增量计算方法，对某围堰工程承台钢板桩围护结构进行了动态施工力学的三维数值模拟。
The staged construction mechanics of the steel sheet pile retaining structure for a cofferdam project are numerically simulated using 3D FEM incremental computing method.
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