What would be the drag coefficient for a square flat plate at velocity 10 m/sec and side of length 0.16m at density 1.225 kg /m3 ?

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

16 June 2021 0 0 View

fatal error

16 June 2021 0 0 View

fatal error

16 June 2021 0 0 View

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Azazullah Azazullah

APPLY FORMULA TO SOLVE PROBLEM

Filippo Maria Denaro

If you want to use the Blasius theory, be aware that it considers a laminar 2D flow over flat plate that is semi-infinite in streamwise direction. In such a case, just compute the value of Re_x at the distance of 0.16m and use the formula to get the skin friction. But you will easily see that your Re_x is beyond the laminar regime.

Ahmed Abdelhameed

It will be cleared to refer to Mechanics of Fluid by Shames ( solved Examples) or Fluid Mechanics by Frank White ( solved Examples) I would expect to find the same problem in these References clear and easy clue.

Shravan Koundinya Vutukuru

Thank you Filippo Maria Denaro & Ahmed Abdelhameed .