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90°弯曲圆管内流动数值模拟

Keywords: 湍流,大涡模拟,有限元,数值模拟,模型实验

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Abstract:

为验证数值模拟方法对于边界形状复杂流场的适用性,应用湍流大涡模拟方法对90°弯曲圆管内流动进行了数值模拟.采用Taylor-Galerkin有限元法求解.数值计算的结果与实验结果吻合较好.表明大涡模拟方法适用于边界形状复杂,存在各向异性的大尺度涡的流动仿真.

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