When simulating an individual kneading block, simplified entry and exit boundary conditions caused deviations between the simulation and the actual extrusion at some extent.
将啮合块上、下游加入螺纹元件一同参与计算，可适当的解决出、入口边界条件失真的问题。
Furthermore, a reduction correction method is built to promote convergence to boundary condition of exit pressure.
此外，在收敛到零阶出口压力边界条件时，构造了较易收敛的减缩修正方法。
Similar boundary-value problems are associated with expected first-exit times of the membrane potential in models of nerve.
在神经细胞模型中，关于膜电位的第一期望离开时间有类似的边值问题。
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