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Showing results 1 to 12 of 12 Search took 0.00 seconds. Search: Posts Made By: FMDenaro

Forum: Main CFD Forum September 21, 2015, 10:31

Replies: 23 SIMPLE BCs for flow in parallel plates Views: 3,536 Posted By FMDenaro the residual must diminuish below such value the residual must diminuish below such value

Forum: Main CFD Forum September 21, 2015, 08:53

Replies: 23 SIMPLE BCs for flow in parallel plates Views: 3,536 Posted By FMDenaro difference bewteen two iterations is not... difference bewteen two iterations is not meaningful for the real convergence

Forum: Main CFD Forum September 21, 2015, 05:44

Replies: 23 SIMPLE BCs for flow in parallel plates Views: 3,536 Posted By FMDenaro in the residual you must consider any discrete... in the residual you must consider any discrete term you used in the computation... in symbolic term, said vn the solution at step n and A the discrete operators containing all fluxes (bounded or...

Forum: Main CFD Forum September 21, 2015, 04:36

Replies: 23 SIMPLE BCs for flow in parallel plates Views: 3,536 Posted By FMDenaro the residual is computed for the discrete... the residual is computed for the discrete equation you really want to satisfy...if you linearized, this discrete equation must provide a vanishing residual. You cannot use the solution vector to...

Forum: Main CFD Forum September 15, 2015, 15:06

Replies: 23 SIMPLE BCs for flow in parallel plates Views: 3,536 Posted By FMDenaro plot the velcoity at some station and superimpose... plot the velcoity at some station and superimpose the parabolic law...anyway, do you have ensured to have a suffient lenght do let the flow develop?

Forum: Main CFD Forum September 15, 2015, 14:04

Replies: 23 SIMPLE BCs for flow in parallel plates Views: 3,536 Posted By FMDenaro you found the bug, the results seems physically... you found the bug, the results seems physically reasonable now...you can compare with the analytical Blasius solution for a flat plane...then check that after some height a fully parabolic velocity...

Forum: Main CFD Forum September 11, 2015, 07:01

Replies: 23 SIMPLE BCs for flow in parallel plates Views: 3,536 Posted By FMDenaro you have a bug in the code ... at Re=1 you should... you have a bug in the code ... at Re=1 you should see the two spatially evolving boundary layers

Forum: Main CFD Forum September 10, 2015, 10:46

Replies: 23 SIMPLE BCs for flow in parallel plates Views: 3,536 Posted By FMDenaro please, post directly the image... however, there... please, post directly the image... however, there is for sure something wrong in the code...check the BC.s after the correction, are they no-slip conditions?

Forum: Main CFD Forum September 10, 2015, 10:01

Replies: 23 SIMPLE BCs for flow in parallel plates Views: 3,536 Posted By FMDenaro At Re=1 you should see the viscous parablic... At Re=1 you should see the viscous parablic profile...something is wrong...are you sure to have reached the steady state?

Forum: Main CFD Forum September 10, 2015, 08:28

Replies: 23 SIMPLE BCs for flow in parallel plates Views: 3,536 Posted By FMDenaro Try for Re=1 Try for Re=1

Forum: Main CFD Forum September 10, 2015, 07:15

Replies: 23 SIMPLE BCs for flow in parallel plates Views: 3,536 Posted By FMDenaro at such a Re number you cannot see a developed... at such a Re number you cannot see a developed viscous profile........you have to reduce the Re number of some order of magnutude

Forum: Main CFD Forum September 10, 2015, 06:28

Replies: 23 SIMPLE BCs for flow in parallel plates Views: 3,536 Posted By FMDenaro yes, provided that the lengh of the plate is... yes, provided that the lengh of the plate is sufficient, you should get a parobolic velocity profile. What Re number do you set?

Showing results 1 to 12 of 12

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