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SST k-ω湍流模型中k与w的初始值咋取呀?有啥原则吗?
@dingcy https://www.cfd-online.com/Tools/turbulence.php
基本上,不发散能对的上就行
@李东岳 李老师您好!我在用pisoFoam RANS kOmegaSST模型计算圆柱绕流(Re ~10^4)遇到了计算误差大的问题(C_d 误差约10%,St 误差约为30%)。通过阅读文献发现大家对入口k和omega的公式使用出入很大,一时间不确定计算误差大是边界条件问题还是离散和求解的问题。请李老师指教!