Search Results

User Name Remember Me Password

Showing results 1 to 10 of 10 Search took 0.00 seconds. Search: Posts Made By: hwsv07

Forum: Main CFD Forum April 10, 2015, 16:36

Replies: 57 LES vs RANS Views: 52,717 Posted By hwsv07 this explanation makes sense to me. do u have... this explanation makes sense to me. do u have any source that explains that it like that?

Forum: Main CFD Forum April 9, 2015, 16:26

Replies: 57 LES vs RANS Views: 52,717 Posted By hwsv07 in a few posts back, u mentioned that ... in a few posts back, u mentioned that can you explain how you judged that URANS can also be suitable (i assume LES is just as suitable in the quoted case ; please correct me if wrong). in...

Forum: Main CFD Forum April 9, 2015, 15:02

Replies: 57 LES vs RANS Views: 52,717 Posted By hwsv07 i have been rereading this statement many times. ... i have been rereading this statement many times. since the size of the filter is implicity implied by the grid size, does it always mean that the mesh density of a LES case is always higher than...

Forum: Main CFD Forum April 8, 2015, 07:39

Replies: 57 LES vs RANS Views: 52,717 Posted By hwsv07 thanks. im new to CFD and appreciate the reply. ... thanks. im new to CFD and appreciate the reply. why would LES be too dissipative? i thought LES resolves all large scales, and only small scales are modelled - unless you mean that the SGS...

Forum: Main CFD Forum April 8, 2015, 05:29

Replies: 57 LES vs RANS Views: 52,717 Posted By hwsv07 Without regarding computation time, can i say,... Without regarding computation time, can i say, one should always trust LES to give a better result? Can you help me understand how fine the grid should be for LES cases?

Forum: Main CFD Forum April 7, 2015, 18:25

Replies: 57 LES vs RANS Views: 52,717 Posted By hwsv07 to compute transient (unsteady) solutions, how... to compute transient (unsteady) solutions, how should one choose between URANS or LES? kindly explain in simple terms.

Forum: Main CFD Forum April 7, 2015, 16:50

Replies: 57 LES vs RANS Views: 52,717 Posted By hwsv07 were you solving for a steady solution? ... were you solving for a steady solution? Im rather confused. if i understood correctly, the production of different results has nothing to do with the equations to be solved (e.g. RANS, LES),...

Forum: Main CFD Forum April 7, 2015, 16:41

Replies: 57 LES vs RANS Views: 52,717 Posted By hwsv07 thanks for the reply. To be explicit in my... thanks for the reply. To be explicit in my understanding, is there any recommended criterion on how to set the width of the filter? Must the size be for e.g., be in the inertial subrange?

Forum: Main CFD Forum April 7, 2015, 13:12

Replies: 57 LES vs RANS Views: 52,717 Posted By hwsv07 LES I also have a quesition on the grid size... LES I also have a quesition on the grid size on LES. So the advantage of LES over DNS is that the grid size of LES can be larger, thus reducing computation time. LES equations are obtained...

Forum: Main CFD Forum April 7, 2015, 12:37

Replies: 57 LES vs RANS Views: 52,717 Posted By hwsv07 Hi sorry to bring this up as I have some queries... Hi sorry to bring this up as I have some queries regarding RANS and LES. I just want to sum up the above dicsussion from what I have learnt. please correct me if i am wrong. RANS - The...

Showing results 1 to 10 of 10

Forum Jump User Control Panel Private Messages Subscriptions Who's Online Search Forums Forums Home General Forums     Main CFD Forum     System Analysis     Structural Mechanics     Electromagnetics     CFD Freelancers     Hardware     Lounge Software User Forums     ANSYS         CFX         FLUENT             Fluent Multiphase             Fluent UDF and Scheme Programming         ANSYS Meshing & Geometry     Autodesk Simulation CFD     AVL FIRE     COMSOL     CONVERGE     Fidelity CFD     FloEFD, FloWorks & FloTHERM     FLOW-3D     OpenFOAM         OpenFOAM News & Announcements             OpenFOAM Announcements from ESI-OpenCFD             OpenFOAM Announcements from OpenFOAM Foundation             OpenFOAM Announcements from Other Sources         OpenFOAM Installation         OpenFOAM Meshing & Mesh Conversion         OpenFOAM Pre-Processing         OpenFOAM Running, Solving & CFD         OpenFOAM Post-Processing         OpenFOAM Programming & Development         OpenFOAM Verification & Validation         OpenFOAM Community Contributions             OpenFOAM CC Toolkits for Fluid-Structure Interaction         OpenFOAM Journal         OpenFOAM Bugs     Phoenics     REEF3D         REEF3D News & Announcements     Siemens         STAR-CCM+         STAR-CD     SU2         SU2 News & Announcements         SU2 Installation         SU2 Shape Design Mesh Generation & Pre-Processing Software     ANSA     enGrid     GridPro     Pointwise & Gridgen Visualization & Post-Processing Software     EnSight     FieldView     ParaView     Tecplot Special Topics     Mesh Generation & Pre-Processing     Visualization & Post-Processing CFD Online Community     Site News & Announcements     Site Help, Feedback & Discussions     CFD-Wiki