CMS-Flow:Bottom Friction: Difference between revisions

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In the case with waves, the bottom friction is calculated as
In the case with waves, the bottom friction is calculated as


       <math> \tau_m = \gamma \tau_c  </math>
       <math> \tau_m = \lambda \tau_c  </math>

Revision as of 19:23, 5 May 2010

Bottom Friction

Flow without Waves

In the situation without waves, the bottom shear stress is calculated based on the quadratic formula

     

where is the bottom friction coefficient, is the depth-averaged current velocity.

Flow with Waves

In the case with waves, the bottom friction is calculated as