Condition of detention

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The sticking condition in fluid mechanics (often also referred to as no-slip ) states that in flows subject to friction, the flow velocity of the fluid on a solid surface is always zero. This is the case with all real currents. The adhesion condition is a prerequisite for the formation of boundary layers in areas close to the wall.

For potential flow -slip condition does not apply, because potential flows are not subject to friction, d. That is, it is modeled that there is no viscosity .