根据能量耗散率与剪切率的关系,采用体积平均能量耗散率计算环空管流的平均剪切率,以此来评价环空管流的剪切作用。
According to the relationship between energy dissipation rate and shear rate, average shear rate to evaluate the shear action for annular pipe flow is obtained by using energy dissipation rate.
在每个网格中线性重构函数的斜率是根据熵耗散得到的,它要求此网格上重构函数熵的网格平均应与此网格上的数值熵相等。
In the scheme the reconstruction of solution is performed by requiring the cell-average of the entropy of the reconstructed solution to be equal to the numerical entropy in each grid cell.
在此基础上,计算了材料中的粘性耗散功和损伤耗散功,并讨论了加载速率、界面粘结能、基体材料的松弛时间、平均粒径和粒径分散度等对这两种耗散机制的影响。
The effects of loading rate, interfacial adhesive energy, relaxation time of matrix material, average size of particles, and the particle-size dispersity on the energy dissipation are discussed.
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