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来源：百度知道 编辑：UC知道 时间：2024/05/28 20:26:24
DISCUSSION
The creeping flow model is singular and therefore unrealistic in the corner of each of the two fluid phases at a moving line of contact. Shear stresses, pressure, and viscous dissipation rate increase without bound as the contact line is approached. Neither the shape of the solid surface nor the nature of the bulk fluids is primarily responsible. From a mathematical viewpoint these deficiencies of the model stem from the velocity discontinuity on the boundary: the adherence condition is imposed (Eqs. [8] and [9]) at the solid where r > 0 but at r = 0 perfect slip of the contact line itself is demanded.
Now singularities in mathematical physics usually signal failure of one or more hypotheses underlying the model, for nature abhors local infinities. The most obvious culprit here is the adherence, or "no-slip," condition but

DISCUSSION 讨论
The creeping flow model is singular and therefore unrealistic in the corner of each of the two fluid phases at a moving line of contact.
悄悄流模型的奇异的，因此是不现实的角落里的每一个阶段的两个流体在移动接触线。
Shear stresses, pressure, and viscous dissipation rate increase without bound as the contact line is approached. Neither the shape of the solid surface nor the nature of the bulk fluids is primarily responsible.
当接触线存在接近时,剪压力,压力和黏稠的驱散速度增加外面跳跃.剪应力，压力和粘性耗散加息没有必然的联系线接触。无论是形状的固体表面的性质，也没有大量的液体主要负责。From a mathematical viewpoint these deficiencies of the model stem from the velocity discontinuity on the boundary: the adherence condition is imposed (Eqs. [8] and [9]) at the solid where r > 0 but at r = 0 perfect slip of the contact line itself is demanded.
从数学角度看这些有缺陷的模型来源于速度间断边界：遵守条件强加（ Eqs. [ 8 ]和[ 9 ] ）在固体其中r “ 0 ，但在r = 0的完美支路接触线本身就是要求。
Now singularities in mathematical physics usually signal failure of one or more hypotheses underlying the model, for nature abhors