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Showing results 1 to 6 of 6 Search took 0.00 seconds. Search: Posts Made By: amin144

Forum: Main CFD Forum April 10, 2012, 17:58

Replies: 10 Pressure constant B.C. in fractional step method Views: 1,854 Posted By amin144 Thanks your perfect answers Thanks your perfect answers

Forum: Main CFD Forum April 10, 2012, 17:43

Replies: 10 Pressure constant B.C. in fractional step method Views: 1,854 Posted By amin144 1) you are right like always. I guess I,m being... 1) you are right like always. I guess I,m being crazy slowly :( 2) so this B.C. (dp/dn=0) make unexact results? what should do? 3) satisfying Div(Vn+1)=0 need only more itteration or any other...

Forum: Main CFD Forum April 10, 2012, 16:57

Replies: 10 Pressure constant B.C. in fractional step method Views: 1,854 Posted By amin144 1) If we put eq(2) in eq(3) we will have: (... 1) If we put eq(2) in eq(3) we will have: ( (dp/dx)i-1/2 )/dx = (1/dt) ( (un+1)i+1/2 -2* (u*)i-1/2 )/dx it's a little different from eq(3) 2) why we see in refrences says that dp/dn=0 on...

Forum: Main CFD Forum April 10, 2012, 13:47

Replies: 10 Pressure constant B.C. in fractional step method Views: 1,854 Posted By amin144 Thanks again very very much dear Filippo If... Thanks again very very much dear Filippo If I be right your text mean that we know P(i+1) (from pressure constant boundary) and (u*)i+1/2 so we derive p(i) from eq(1) and after we can derive...

Forum: Main CFD Forum April 10, 2012, 11:08

Replies: 10 Pressure constant B.C. in fractional step method Views: 1,854 Posted By amin144 Hi again dear Filippo thanks very much You... Hi again dear Filippo thanks very much You are very professional in this method understanding your explanations and equations is hard for me Can you explain me easy like Pierc CFD book and...

Forum: Main CFD Forum April 10, 2012, 03:31

Replies: 10 Pressure constant B.C. in fractional step method Views: 1,854 Posted By amin144 Pressure constant B.C. in fractional step method Hi everyOne As we know pressure in fractional step method is not real pressure and it's pressure-like variable as we see in every reference. and beside this for this pressure every where B.C. is...

Showing results 1 to 6 of 6

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