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A comparison of non-equilibrium molecular dynamics and NPT Monte Carlo methods for mixing properties and partial molar quantities

机译:非平衡分子动力学与NPT蒙特卡罗方法混合特性和部分摩尔量的比较

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摘要

Non-equilibrium molecular dynamics (NEMD) and NPT Monte Carlo simulations were car- ried out for two non-ideal Lennard-Jones/spline mixtures at supercritical temperatures. The systems were chosen so that one of them showed positive and the other negative excess volumes and enthalpies on mixing. A strong composition gradient was generated in the NMED simulations, such that the entire composition range from pure component 1 to pure Component 2 was covered in the molecular dynamics cell.
机译:在超临界温度下,对两种非理想的Lennard-Jones /样条混合物进行了非平衡分子动力学(NEMD)和NPT蒙特卡罗模拟。选择系统时,它们中的一个在混合时显示为正,其他为负的过量体积和焓。在NMED模拟中生成了一个很强的成分梯度,从而在分子动力学单元中覆盖了从纯组分1到纯组分2的整个组分范围。

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