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基于CFD软件桥梁断面风压系数的数值模拟

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摘要 计算机流体力学数值模拟方法(CFD)相对于传统的风洞试验方法有着成本低、省时省力、良好的重复性等特点,它不仅能模拟桥梁跨中断面周围风场的特征,还能计算得到桥梁断面的风压系数。本文采用CFD软件FLUENT中的3种不同的湍流模型,即标准模型(Standardκ-ε)、RNG模型(RNGκ-ε)及雷诺应力方程模型(RSM)对主梁断面进行数值模拟,选取合理的湍流模型,并将数值模拟结果与实测试验值进行比较,验证采用CFD数值模拟技术模拟桥梁跨中断面风压系数的可行性与可靠性。
作者 竹剡锋 李彬
机构地区 湖南科技大学
出处 《四川建材》 2014年第2期45-47,共3页 Sichuan Building Materials
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参考文献6

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