rigid-perfectly plastic material

In many ways, plastic is the perfect material — we can make it strong and rigid enough to build spaceships and replace bones, or thin and flexible enough to make shopping bags that weigh as much as a nickel but carry up to eight kilograms.

就许多方面来说，塑胶是完美材料－－我们可以让它强韧坚固到足以建造宇宙飞船和替代骨骼，或让它够轻薄且有弹力，可以做出和五分钱硬币重量相同但却能耐重到八公斤的购物袋。

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Effect of heat conduction is added to the one-dimensional flow equations of spherical symmetry, and the temperature distribution during the closure of the hollow sphere is solved by finite-difference under the condition that the material is rigid-plastic fluid and the constitutive equations are thermo-visco-plastic.

在球对称塌缩一维流动的控制方程中引入传热项的影响，采用刚塑性假设并引入热粘塑性本构关系，利用有限差分法对球壳收缩过程中的温度分布进行了计算。

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in the past, modelling the terrain as an elastic medium or as a rigid, perfectly plastic material has been widely adopted.

在过去，做模型地带为一种有柔性的媒体或硬、十分塑料的资料曾经普遍地被采用。

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AutoForge allows the material to be represented as an elastic-plastic material or as a rigid-plastic material.

有限元分析软件)可以将材料表现为弹 塑性 材料或刚塑性材料.

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