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    颗粒流动量方程中固相压力项的疑惑

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      xzlzju last edited by

      在fluent手册介绍固相压力处写到“The solids pressure is composed of a kinetic term and a second term due to particle collisions”,即固相压力包含动力及碰撞两个部分,不包含摩擦压力。但是在介绍摩擦压力时,又写到“The frictional stress is added to the stress predicted by the kinetic theory when the solids volume fraction exceeds a critical value.”所以,当固相体积分数超过临界摩擦体积分数时,固相动量方程中的固相压力项是否包括摩擦压力呢?

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