Interface-coupling equations on eccentric annular flowing on Bingham-fluid in pipe are put forward and a system of partial differential equations is obtained for describing the flow based on N-S equations of hydromechanics and mechanics. By numerical computation,important flowing laws on eccentric annular flowing on Bingham-fluid is obtained,which is useful to oil industry.
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By numerical computation and analysis the relationship among critical velocity and impact mass, hardening modulus, buckling time was given.
通过数值计算和分析，给出了临界速度与冲击质量、线性强化模量及临界时间间的关系。
It is analyzed by numerical computation that the temporal growth rates and the frequency of PASOTRON are affected by the filling factor of plasma.
并通过数值计算分析了等离子体填充因子对PASOTRON的时间增长率及工作频率的影响。
The influence of the material parameters on the void formation and growth is considered by numerical computation and the results are compared with those for static analysis.
通过数值计算，分析了材料参数和球体的半径比对孔穴生成和增长的影响，并与相应的静态结果进行了比较。
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