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基于光滑粒子流体动力学的流固耦合问题研究

, PP. 222-227

Keywords: 光滑粒子流体动力学,流固耦合,拉格朗日粒子,插值核函数

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Abstract:

本文采用光滑粒子流体动力学(简称SPH)对流固耦合问题进行模拟。流体域和固体均采用光滑粒子流体力学描述,建立了流体和固体控制方程的光滑粒子流体动力学模型,将流体和固体均看做是拉格朗日粒子,并利用插值核函数获得粒子在初始状态后携带的信息,进而求得流场和固体的相关参数。文章采用该方法对典型的流固耦合问题进行了模拟计算,并与已有试验结果进行了对比分析,模拟结果与已有试验结果符合良好,显示了该方法的准确性和精确性。证实了SPH方法应用于流固耦合问题计算的可行性。

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