Smoothed-particle method for phase separation in polymer mixtures

Smoothed-particle method for phase separation in polymer mixtures
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聚合物混合物相分离的平滑粒子法

DOI:
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发表时间:
1997
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通讯作者:
T. Okuzono
T. Okuzono
中科院分区:
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文献类型:
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作者:
T. Okuzono

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我们提出了一个基于Doi和Onuki [J. Phys.(France)II 2,1631(1992)]开发的广义双流体模型的聚合物混合物中相分离动力学的数值模型,该模型使用光滑粒子流体动力学方法。该模型适用于相分离体系的流变学研究。我们提出了我们的模拟结果的动力学畴生长和简单的剪切流动下的相分离在二维。我们还讨论了如何将粘弹性效应纳入我们的模型。
We propose a numerical model of the dynamics of phase separation in polymer mixtures based upon the generalized two-fluid model developed by Doi and Onuki [J. Phys. (France) II 2, 1631 (1992)] using the method of smoothed-particle hydrodynamics. Our model is applicable to rheological studies of the phase-separating systems. We present our simulation results on the kinetics of domain growth and the phase separation under simple shear flow in two dimensions. We also discuss how the viscoelastic effect is incorporated into our model.