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Showing results 1 to 8 of 8 Search took 0.00 seconds. Search: Posts Made By: shilpamkar

Forum: Main CFD Forum August 12, 2011, 06:38

Replies: 18 flat residuals Views: 2,370 Posted By shilpamkar "The problem is mostly numerical in nature b/c... "The problem is mostly numerical in nature b/c you are artificially creating very high gradients in between those inlet/outlet regions and the wall. And, if you are using viscous BCs the situation is...

Forum: Main CFD Forum August 9, 2011, 01:22

Replies: 18 flat residuals Views: 2,370 Posted By shilpamkar hey the mass flow inlet is constant wid time. it... hey the mass flow inlet is constant wid time. it gives me a flat plot. also i shall try uploading certain pics. the size being too large ws not able to.can you give ur mail id if u dont hv any...

Forum: Main CFD Forum August 8, 2011, 01:06

Replies: 18 flat residuals Views: 2,370 Posted By shilpamkar also pls tel me how to use adaptive time... also pls tel me how to use adaptive time stepping.the various parameters that hv to be chosen on wht basis.

Forum: Main CFD Forum August 8, 2011, 01:02

Replies: 18 flat residuals Views: 2,370 Posted By shilpamkar hey sorry for the late reply. actually was not... hey sorry for the late reply. actually was not wel.so not in touch. i have tried using first order solution as the initial guess for the second order. however, it does not help.i tried doing the...

Forum: Main CFD Forum August 4, 2011, 08:44

Replies: 18 flat residuals Views: 2,370 Posted By shilpamkar yes the residuals worsen as I refine the mesh.... yes the residuals worsen as I refine the mesh. the solution does change.Qualitatively, I get the same velocity contours for both the orders being quantitatively different. boundary condition is mass...

Forum: Main CFD Forum August 4, 2011, 02:05

Replies: 18 flat residuals Views: 2,370 Posted By shilpamkar I have tried with refined meshes. doesnt help.... I have tried with refined meshes. doesnt help. also I actually dont understand by 'solution shedding vortices'. As I understand the wht u r talkin abt is flow past d cylinder. my flow is in d...

Forum: Main CFD Forum August 3, 2011, 00:10

Replies: 18 flat residuals Views: 2,370 Posted By shilpamkar Yes I have. there is about 10% difference between... Yes I have. there is about 10% difference between soln for the two orders.the grid seems fine.maximum skewness is 0.78. have tried using QUICK too, also reduced the URFs but it just doesnt help. wht...

Forum: Main CFD Forum August 2, 2011, 05:05

Replies: 18 flat residuals Views: 2,370 Posted By shilpamkar flat residuals Hello, I am simulating a cylinder(H-6cm,D-4cm) with an inlet on the top surface and outlet on the curved surface. the conditions i use are mass flow inlet-0.04kg/s outflow mesh tri/Pave...

Showing results 1 to 8 of 8

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