针对弹性压边建立了一个力学模型，用于板料成形的动力显式有限元模拟。
A model is established to simulate elastic binding on dynamic explicit FEA of sheet metal forming processes.
详细分析了动力显式算法中虚功方程的空间域有限元离散方法和有限元方程的时间域中心差分离散方法。
The spatial field FE discrete method of the virtual work equation and the time field central difference discrete method of the FE equation in the dynamic explicit method are described in detail.
在数值技术方面，隐式积分方法被用来对本构方程的局部时间积分，动力显式技术用于求解总体平衡方程。
For the numerical aspects, an implicit integration scheme is used for local time integration of the constitutive equations and a dynamic explicit scheme is used to solve global equilibrium equations.
将拉延筋模型引入到板料成形动力显式有限元分析中，并以汽车前照灯矩形反光镜为应用实例，对其拉延成形过程进行了模拟。
Drawbead model has been applied to the dynamic explicit FEM analysis of sheet metal forming process and the simulation of deep drawing of rectangular viewfinder of automobile headlight been realized.
应用动力显式数值模拟软件，研究了线性渐增和渐减变压边力下拼焊板盒形件的成形过程。建立了线性变压边力终止值随初始值变化的关系曲线，该曲线被拟合为二阶多项式曲线。
The forming of box with TWBs based on a series of linearly increasing and decreasing variable blank holding forces(VBHF)over the stroke were studied by means of dynamic explicit finite element method.
采用显式动力学有限元程序LS-DYNA3D，对花岗岩介质中带拐弯坑道回填堵塞的化爆试验进行数值模拟。
The dynamics finite element program LS-DYNA3D is employed to simulate the high-explosive explosion experiment in granite, which has a crooked tunnel that is backfilled with concrete stemming.
由于该方法采用显式差分方法和自动接触检索技术，故尤其适合于求解弹塑性、大变形和动力问题。
It is especially suitable for analyzing problems of nonlinear, large deformation and dynamic systems due to the explicit finite-difference scheme and the automatic contact detection skill.
首先，基于简化的软着陆动力学模型，通过求解特殊两点边值问题，给出了一种实时显式制导方法。
Firstly, based on simplified dynamics of lunar soft landing, an explicit guidance law was induced by solving the special two-point boundary value problem.
采用显式动力学有限元软件来模拟中厚板轧制成形过程中的平面形状控制问题。
Simulation of the plate rolling was performed using the dynamic explicit finite element software.
给出了动力半显式算法的迭代格式和收敛标准。
The iterative format and the convergence criteria of this algorithm are presented.
采用显式动力学弹塑性有限元方法，对平板轧制过程中咬入阶段的非稳定变形进行了数值模拟。
With the dynamic explicit elastic plastic finite element method, the unsteady deformation of the bite stage in slab rolling was simulated.
采用总体空气动力学边界层及显式水汽方案的控制试验较成功地模拟出了气旋涡度场的型式和中心强度。
Both the pattern and central intensity of the vorticity field have been simulated successfully using the bulk aerodynamic boundary layer and apparent vapor scheme in the model.
对于非线性动力学问题，给出了一个显式的精细积分算法，适用于多自由度、强非线性、非保守系统。
An explicit precise integration for nonlinear dynamics problems is presented, which is suitable to solve the non-conservative systems with multi-DOF and strong nonlinearity.
根据已有实验方案分别建立了离散杆和射弹高速冲击飞机壁板结构的有限元模型，利用显式动力有限元计算程序进行了冲击损伤仿真。
The finite-element simulation models of the discrete rod and the projectile impacting on the aircraft panel structure at high velocity are established according to some experiment projects.
采用显式动力分析程序得出的计算结果与试验数据的吻合性较好，进一步证实了模型参数和建模的有效性和正确性。
The results computed by the explicit dynamic analysis software are similar to the experimental data, and the effectiveness and correctness of parameter selection and model establishment are proved.
模拟结果证实了应用显式动力学弹塑性有限元法模拟双金属复合板轧制的可行性，且计算所得轧制力与实验结果吻合较好。
The specific rolling force distribution was obtained by simulation and the calculated results of rolling force are in good agreement with the measured ones.
将模型加入到三维显式非线性有限元动力分析软件LS-DYNA3D中。
The two modified continuum damage 1model was implemented into the transient dynamic explicit finite element software LS-DYNA3D.
在动力问题分析中，一种好的显式积分方法不仅要具有良好的稳定性，而且还要具有良好的计算精度。
The accuracy of characteristic analysis is as necessary for an explicit integration scheme as the stability property.
因此本文在对滚动轴承有限元隐式求解分析的基础上，利用ANSYS/LS-DYNA模块对滚动轴承进行了显式动力学接触分析。
Therefore, based on rolling bearing implicit finite element solution analysis, using ANSYS/LS-DYNA explicit dynamic module implements, we achieved the rolling contact simulation of motion process.
文中设定了几个简单的分析模型，利用三维显式有限元法，对有局部材料缺陷桩完成了冲击荷载作用下的动力反应分析。
Dynamic response analysis of some models of pile with material loss for impact load has been completed by three - dimensional explicit clement method.
此外，由于模型的动力方程具有二阶时间导数项，因而应用本文模型的结构—基础—土系统可以采用显式时间积分求解。
Moreover, due to the dynamic equations of LPMs with second-order derivative terms in time, the resulting structure-foundation-soil system can be solved by an explicit time-integration method.
结合显式动力学有限元方法、几何模型更新方法、隐式静力有限元方法对立-平辊轧制过程三道次三维热、力场进行了分析。
Three passes of vertical-horizontal(V-H) rolling process with 3-D thermal and mechanic field was simulated by explicit dynamic FEM, updating geometric method and implicit static FEM.
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.
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.
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