Then we can get the math model of the two kind of constitutive models' heat-mechanics coupling problem by using the balance equation, the heat exchange equation and the constitutive equation.

然后由得到的平衡方程、热传导方程和本构方程建立了两种不同本构模型的粘弹性杆热-结构耦合问题的数学模型。

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Based on an effective nonlinear viscoelastic model, the differential constitutive equation and strain-rate equation of solid composite propellants are induced.

根据一个有效的非线性粘弹模型，导出复合固体推进剂微分形式本构方程和应变速率关系式。

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A new cutting dynamic model and its transfer function as well as the formula of the viscous coefficient are established in the overstress constitutive equation.

运用材料的粘塑性本构方程建立了新的切削动力学模型及其传递函数，并给出了材料粘性系数表达式。

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