Introducing the generalized Maxwell model and corresponding the relax time spectrum lead to the calculating relation of the tire rolling coefficient and relax time spectrum, and the influence of velocity on coefficient of rolling friction is discussed. 通过广义的Maxwell模型,研究其松弛时间谱与滚动摩阻的关系,得出了轮胎滚阻系数与松弛时间谱的计算关系并讨论了滚轮前进速度对滚动摩阻系数的影响。
A method of establishing generalized Maxwell model for viscoelastic material 关于黏弹性材料的广义Maxwell模型
Simulation on stress relation experiment verifies generalized Maxwell model is appropriate to describe the mechanical behaviors of wafer. 在对直接压缩后的应力松弛试验进行仿真时,仿真曲线与试验数据吻合较好,说明采用粘弹性力学模型描述草片的力学行为是合理的。
Based on thermal rheological theory and time-temperature equivalent principle, the generalized Maxwell model was used to simulate viscoelastic characteristic of fused optical fiber glass. The thermal viscoelastic model of fiber coupler in the process of fused biconical taper was set up. 根据热粘弹流变理论和时温等效原理,以广义Maxwell模型模拟高温下熔融光纤玻璃的粘弹特性,建立了光纤耦合器熔融拉锥过程热粘弹数值分析模型;
The model can be seen as a generation of the generalized Maxwell model from one dimension small deformation to three dimension large deformation case. The theoretic stress relaxation curves derived from the parallel Maxwell model gave a very good fit to the experimental data for all vulcanizates. 在小变形情况下退化为经典的广义Maxwell粘弹性材料。用并联的Maxwell模型模拟的理论应力弛豫曲线与实验数据能够很好地吻合。
Considering the reality of numerical computation, the generalized Maxwell and the generalized Kelvin model were revised. The relaxation functions for materials with a fading memory was being expressed in terms of Prony series. 从数值计算的实际出发,修正了广义Maxwell和广义Kelvin模型的粘弹性方程,用Prony级数逼近应力松弛方程,提出了粘弹性有限元数值计算的方法。