因此建立该区的轧制压力分布模型是必须的。
Therefore, it is necessary to establish a model of rolling pressure distribution in the casting zone.
基于质量、动量和能量守恒定律及井筒径向传热理论建立了流体压力、温度分布预测数学模型。
Based on mass, momentum, energy conservation and the theory of wellbore radius heat transmission, established fluid pressure and temperature distribution prediction mathematical models.
将稠油视为宾汉流体，推导了宾汉流体在非稳态状况时地层孔隙中的压力分布数学模型，并求得了数值解。
Assuming heavy oil as Bingham fluid, a mathematic model of non-steady pressure distribution of Bingham fluid in formation pores is derived, and its numerical solution is obtained.
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