Several properties of the weak discontinuity across an elastic-plastic boundary in plane wave propagation have been investigated by using the theory of singular surface.
本文用奇异面理论研究了弹塑性平面波传播中弹塑性边界间断的几个性质。
A generalized variational principle involving conditions of the rigid-plastic interface and the discontinuous surface of a velocity field has been put forward for the mixed-boundary value problem.
提出了一个包括界面条件及间断面条件在内的混合边值问题的广义变分原理，建立了极限载荷乘子的变分解析公式。
During the casting, plastic forming, and hot processing, the sizes, orientation distributions, and boundary structures of the crystallites change and produce various microstructures.
金属的铸造、塑性成形、热处理等过程会使晶粒的尺寸大小、取向分布、形状等发生一定的变化，产生不同的微结构。
A successive approximation method is suggested without value limit of wave velocity. The formulas for calculating the initial propagation velocity of reverse plastic loading boundary are also given.
建议了一个不受波速值限制的逐步近似法，并给出反向塑性加载边界传播速度的计算式。
Drawing process of aluminum alloy wire has large plastic deformation, which mathematical model is complicated including geometric nonlinearity, boundary nonlinearity, material nonlinearity and so on.
铝合金导线拉拔成型塑性变形大，数学模型复杂，集几何非线性、边界非线性、材料非线性于一体。
A 3d rigid-plastic FEM simulation coupled thermal model for TC4 titanium alloy by warm shear spinning is founded and the temperature boundary condition of heating by flame is applied.
针对TC 4钛合金锥形件建立了三维热力耦合有限元模型，在有限元模拟过程中叠加了火焰加热边界条件。
Plastic zone and its development trend can be attained, based upon that found equation when load and boundary conditions are given.
根据方程可以确定给定条件下塑性区的范围、发展趋势以及应力演变过程。
Plastic zone and its development trend can be attained, based upon that found equation when load and boundary conditions are given.
根据方程可以确定给定条件下塑性区的范围、发展趋势以及应力演变过程。
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