HELP! change of variable

  • #1
I'm french and my englis is bad sorry but i need help !

My exam :

In this part of the study, we considered the hypothesis of limit coat and that the gradients of pressure are negligible in this limit coat. The previous system is : [Broken]

With limits condition of Dirichlet.

With a change of varaible, the eqaution 6.0 to 8.0 give : [Broken]

Can you help me ?
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Answers and Replies

  • #2
Science Advisor
Homework Helper
"limit coat"? Could you mean "boundary layer"?