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。
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。
Based on principle of correcting method of subgrade-stress relieving and deformation mechanism of soft soil, a nonlinear elastic-viscoelastic rheological constitutive model of soil is proposed.
根据地基应力解除法纠偏方法原理和软土的变形机理，建立了土体非线性弹-粘弹流变本构模型，并将其成功运用于软粘土地基应力解除法纠偏工程实践。
应用推荐