quadratic nonlinear constitutive relation 二次非线性本构关系
nonlinear viscoelastic constitutive relation 非线性粘弹性本构关系
The shear deformation, as in a nonlinear constitutive relation, is the most principal deformation mode for plain woven textile composites.
对于平纹机织复合材料，剪切变形是最主要的变形形式，其本构关系具有非线性的特征。
Based on above fitted relation and equivalent viscous damping theory, a nonlinear constitutive equation of damping alloy depending on strain amplitude and frequency is put forward.
将所得变化规律与等效粘性阻尼理论相结合，给出了一种依赖于应变和频率的非线性阻尼本构关系式。
Thus, a nonlinear viscoelastic constitutive relation for cement mortar based on standard linear solid model considering the evolution of the damage internal variable is established accordingly.
据此，在标准线性固体模型的基础上，考虑损伤内变量的演化，建立了应变率相关的水泥砂浆的非线性黏弹性损伤模型。
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