1) contact force model
接触力模型
1.
The piecewise linear contact force model of material layers during impact crushing is put forward, based on the quasi-static compression crushing experiments, in which the parameters of model are analyzed and a revert coefficient is introduced to express the relation between parameters.
针对冲击破碎过程,在初步准静压破碎实验的基础上,提出了物料层的分段线性接触力模型,并引入恢复系数来表示膨胀阶段和压缩阶段之间的参数关系。
2) dynamic model of interface
接触面动力模型
3) haptic force model
虚拟接触力模型
4) contact-interaction force element model
接触力元模型
1.
In the discontinuous deformation computational mechanics model of multiple bodies developed by the authors,the contact-interaction force element model is proposed to simulate complex contact behavior of interfaces among multiple bodies.
在作者提出的非连续变形计算力学模型中,采用接触力元模型描述多体接触界面上的接触特性。
5) contact model
接触模型
1.
Two contact models,the classical Coulomb contact model and the modified Coulomb contact model,are used in a fully coupled thermo-mechanical numerical model of friction stir welding, and the suitabilities of the two models to simulate the welding process are analyzed.
在完全热力耦合搅拌摩擦焊接数值模型中采用两种接触模型——经典的Coulomb接触模型和修正的Coulomb接触模型,模拟了搅拌摩擦焊接过程,以分析不同接触模型对搅拌摩擦焊接过程数值模拟的影响。
2.
Based on the first-order shear deformation theory of the composite laminated plate,an FEA model and the method of free vibration analysis for the composite laminates with multiple through-width delaminations were developed,and a linearity contact model was established to simulate the interaction between upper and lower sub-laminates along the delaminated region during the vibration process.
基于Mindlin一阶剪切理论分项等参插值的有限元法,建立了含多个分层损伤复合材料层合板自由振动分析的有限元模型和分析方法,并采用线性接触模型模拟分层区域上、下子板的相互作用。
3.
Fractal surface was introduced into the average flow model and effect of elastic-plastic contact deformation of fractal surfaces on the flow factors and contact factor were analyzed based on the M-B fractal contact model for partial film lubrication.
在M-B分形接触模型的基础上,利用引入接触因子的平均流动模型,分别计算在考虑和不考虑分形表面接触峰变形情况下的流量因子和接触因子,研究分形表面接触变形对润滑状态的影响。
6) nonlinear contact force element model
非线性接触力元模型
1.
For the contact problems and discontinuous deformation analysis problems of multi-bodies interaction system, a nonlinear contact force element model is developed.
针对多体相互作用体系的非连续变形分析问题和接触问题,采用 Mohr-Coulomb 屈服准则和关联流动法则以及接触界面上的非线性应力分布模式,考虑接触界面特性提出了非线性接触力元模型,以结点位移和界面相互接触应力同时作为独立未知变量,建立了离散系统的总体控制方程。
补充资料:接触络合物模型
分子式:
CAS号:
性质: 生成长寿命的活化络合物(又称复合物)的反应模型。它与具有势垒的直接反应相比,势能面上的势阱会“陷住”结合的反应物,即发生黏着碰撞,反应时间长得足以使初始碰撞失掉某些细致的性质,表现在反应性散射的角分布为各向同性产物能量的分配也不如直接反应那样专一。此模型又称复合反应机理(compound reaction mechanism)。
CAS号:
性质: 生成长寿命的活化络合物(又称复合物)的反应模型。它与具有势垒的直接反应相比,势能面上的势阱会“陷住”结合的反应物,即发生黏着碰撞,反应时间长得足以使初始碰撞失掉某些细致的性质,表现在反应性散射的角分布为各向同性产物能量的分配也不如直接反应那样专一。此模型又称复合反应机理(compound reaction mechanism)。
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参考词条