| 泡沫橡胶类材料有限变形粘弹性本构模型 |
| The viscoelastic constitutive model for finite deformation of foam rubber-like materials |
| 投稿时间：2015-12-30 修订日期：2015-12-30 |
| DOI： |
| 中文关键词: 泡沫橡胶 粘弹性 有限变形 本构模型 |
| 英文关键词: foam rubber viscoelasticity finite deformation constitutive model |
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| 中文摘要: |
| 运用线性粘弹性力学理论,借助十四面体单元推导了泡沫橡胶类材料的有限变形粘弹性本构模型,并利用本构方程对材料的粘弹性力学行为进行了粘滞响应分析。基于泡沫硅橡胶的单轴压缩实验结果,拟合确定了本构模型的参数。试验验证以及误差分析表明该模型能够较合理地描述泡沫橡胶类材料在不同密度下的有限变形粘弹性力学行为。 |
| 英文摘要: |
| The linear viscoelastic constitutive relation of foam rubber-like materials is derived in this paper, according to the linear viscoelastic theory and a tetrakaidecahedron model. Viscoelastic mechanical behavior of the materials is analyzed by the linear viscoelastic constitutive equation. The parameters of constitutive model are determined by fitting the uniaxial compression experiment of foam silicone rubber. The experimental verification and the error analysis show that the model is shown to be able to predict the finite deformation viscoelastic mechanical behavior of foam rubber-like materials in different densities. |
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