金属塑性加工的变形过程是一个非常复杂的弹塑性大变形过程。
Metal plastic deforming process is a kind of quite complex and large elastic-plastic deformation process.
地铁用制动电阻在非线性动态热应力作用下发生弹塑性大变形。
Being forced by the nonlinear dynamic thermal stress, slices of the subway's brake resistor generated large elastic plastic deformation.
通过引入沙漏应变和沙漏应力的方法来控制弹塑性大变形中的沙漏现象。
It is shown that the hourglass modes can be controlled in the computation of large elastic plastic deformation by introducing the hourglass strains and the corresponding stresses.
本文报道一种求解门式刚架在冲击载荷作用下动态弹塑性大变形响应的简便分析方法。
A simplified analytical method for the elastoplastic dynamic large deflection response of portal frames under impact loading is reported in this paper.
在弹塑性大变形分析中,控制微分方程的分叉现象予示了一系列有实际工程背景的破坏机理。
In the elastoplastic analysis, much more attention has been paid to bifurcation behaviour of the governing equation which always predicts various mechanism of failure or fracture.
为配合卷板设备数控系统的研制和对卷板工艺过程进行优化,建立了三辊数控卷板成形过程的弹塑性大变形接触问题的有限元模型系统。
To cooperate with the development of the numerical control system of plate bending and to optimize the process, the deform law of this process has been studied.
问题被当作结构在规定初速度或脉冲载荷作用下的非线性(大变形与弹塑性)动反应。
The problem is considered as dynamic response of the structure subjected to specified initial velocity or impulse load, with large deformation and plasticity.
由于采用显式差分法,它尤其适合于材料的弹塑性、大变形分析以及施工过程的模拟。
Because of the application of explicit difference method, it is especially suitable to elastoplastic analysis, large deformation analysis and construction process simulation.
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.
主要研究了乘法分解弹塑性在大变形有限元程序中的实现。
This paper discusses the realization of multiplicative decomposition elastoplasticity in anamorphosis finite element equation.
精冲数值模拟涉及到大变形等几何非线性问题又有弹塑性变形等材料非线性的问题。
Numerical simulation of the fine blanking process for steel which contains elastoplastic large deformation is conducted with the software DEFORM.
针对板材三维冲压成形的切边回弹问题,提出了基于大变形弹塑性有限元数值模拟理论的切边处理AIA方法。
In this paper, an edge-cutting AIA method is presented based on elastic-plastic large deformation finite element simulation theory.
首次采用间隙元法求解金属圆管在爆炸焊接时的二维弹粘塑性大变形的接触问题,对圆管内包爆炸焊接的全过程作了详细分析。
The gap element method is used to analyse two-dimensional elastoviscoplastic contact problem of circular tubes under explosive welding for the first time.
研究采用实心圆轴扭转试验标定大变形弹塑性本构关系时客观应力导数的影响问题。
The effect of objective stress rates on constitutive model based on solid cylinder torsion test was discussed.
回顾了线弹性、弹塑性及大变形几何非线性的静力、动力有限元法的基本方程及求解过程。
FEM governing equations analyzing linear elastic, elastoplastic, static, dynamic and geometric nonlinear problems are introduced.
回顾了线弹性、弹塑性及大变形几何非线性的静力、动力有限元法的基本方程及求解过程。
FEM governing equations analyzing linear elastic, elastoplastic, static, dynamic and geometric nonlinear problems are introduced.
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