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首页> 外文会议>Annual International Conference on Mechanics and Mechanical Engineering >A Multichain Slip-Spring Model with Fluctuating Number of Entanglements Based On Single-Chain Slip-Spring Model
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A Multichain Slip-Spring Model with Fluctuating Number of Entanglements Based On Single-Chain Slip-Spring Model

机译：基于单链滑动弹簧模型的缠结缠结零点波动的多相滑移弹簧模型

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摘要

We present a multichain slip-spring model with fluctuating number of entanglements for dynamics of dense polymer melts, which is based on the single chain slip-spring model by Likhtman. By introducing the exclude volume interactions, a multichain version of slip-spring model can be presented with little modification. With this extension, inhomogeneous polymer system can be described properly. The renewal rules for the slip-spring satisfy the detailed balance condition and the number of slip-springs is no longer constant but controlled through a chemical potential. This completion can predict the Possion distribution of Z under equilibrium states and the decrease in the number of entanglements when applied a steady shear flow. The results agree with theoretical predictions and experimental phenomenon. The model bridges the single chain slip-spring model and multichain slip-spring model.
机译：我们提出了一种多种子滑动弹簧模型，具有致密聚合物熔体动态的波动的缠结，这是基于Likhtman的单链滑动弹簧模型。通过引入排除卷交互，可以呈现微量化的Slip-Spring模型版本。通过该延伸，可以适当描述不均匀的聚合物系统。滑动弹簧的更新规则满足详细的平衡条件，并且滑动弹簧的数量不再是恒定的，而是通过化学潜力控制。该完成可以预测均衡状态下的Z的可能分布，并且在施加稳定的剪切流时缠结的缠结次数的减小。结果同意理论上预测和实验现象。模型桥梁桥梁单链滑动弹簧模型和多种滑动弹簧模型。

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