金属材料在不同应变率下的真实应力应变曲线是汽车碰撞模拟的一个关键。
By scientific computing with the constitutive equation, the plate′s stress-strain curves at different strain rate are obtained.
本文通过拉伸实验研究了国产聚碳酸酯板的力学行为，得到了这种材料在不同应变速率下的真实应力—应变曲线。
The mechanical behaviour of polycarbonate (PC) is studied in this paper by tensile experiments. A set of true stress—strain curves for different strain rates is obtained.
计算时，板料的真实应力-应变曲线拟合为幂强化函数型。
In calculating, power hardening function is used as the true stress - strain curve of materials.
所得的载荷和延伸率都被转化成了真实应力-应变曲线。
Measured loads and elongations were converted to true stress-true strain curves.
通过实验得到真实应力的关系式及真实应变关系式，进而得到真实应力-应变曲线。
Through the experiment, the relation formula of real stress, real strain and the curve of stress and strain are achieved.
通过实验得到真实应力的关系式及真实应变关系式，进而得到真实应力-应变曲线。
Through the experiment, the relation formula of real stress, real strain and the curve of stress and strain are achieved.
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