This paper investigate the distributing complexion of distortion and-stress of valve core, make the analysis of coupling of fluid and solid, investigate the reason of invalidation.
从结构力学角度来研究阀芯的变形及应力分布情况，进行流固耦合分析，研究其失效的可能原因。
Reservoir fluid flowing, temperature and reservoir rock deformation are interacting and inter-influencing, this is so-called fluid seepage flowing-stress (strain) -temperature coupling.
油藏孔隙流体渗流、温度变化和岩石变形三者之间相互影响、相互作用，这就是所谓的渗流一应力(应变)-温度三场耦合问题。
We can obtain the impeller's interior actual flow situation and the impeller internal stress distribution due to axial flow fluid-solid coupling numerical simulation.
通过对轴流泵叶轮流固耦合的数值模拟，得到了叶轮内部真实流动情况和叶内部应力分布情况。
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