考虑到粘弹性材料阻尼性能随环境的非线性变化,运用GRNN(广义回归网络)对粘弹阻尼材料动态力学性能函数进行逼近,并构建预测模型。
Considering the non-linear behavior of the viscoelastic material according to the change of environment, the GRNN is used to make a model to predict the dynamic property of the material.
建立了以油藏隆起为尖楔嵌入非线性黏弹性材料的界面断裂力学模型。
Here, an idealized interface fracture model was established in which the reservoir hunch as an elastic wedge was embedded in nonlinear viscoelastic material.
另外主要编制了飞机风挡材料采用的具有应变率效应的非线性粘弹性朱-王-唐本构模型,结果能很好地对朱-王-唐模型进行描述,特别是应变率对该模型的影响。
Nonlinear viscoelastic's ZWT constitutive model which used in aircraft windshield and has a strain rate dependence is written, and ZWT is described point-device, especially, effect in stain rate.
还实际测试了两种国产泡沫塑料材料的静态应力应变关系,根据上述原则和实测数据建立了泡沫塑料包装衬垫的非线性弹性模型并拟合了模型参数。
The sta- tic relation between stress and strain of two kinds of foamed plastics material made in China are measured. The nonlinear elastic models of foamed …
还实际测试了两种国产泡沫塑料材料的静态应力应变关系,根据上述原则和实测数据建立了泡沫塑料包装衬垫的非线性弹性模型并拟合了模型参数。
The sta- tic relation between stress and strain of two kinds of foamed plastics material made in China are measured. The nonlinear elastic models of foamed …
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