Search Results

User Name Remember Me Password

Showing results 1 to 5 of 5 Search took 0.00 seconds. Search: Posts Made By: fredo490

Forum: OpenFOAM Running, Solving & CFD September 20, 2013, 09:53

Replies: 29 Simulations with large time steps (high CFL) Views: 6,796 Posted By fredo490 What is your number of cell ? What is you current... What is your number of cell ? What is you current time step ? If you want to get accuracy, you don't really have choice. Any drastic improvement will be made at a cost...

Forum: OpenFOAM Running, Solving & CFD September 20, 2013, 09:36

Replies: 29 Simulations with large time steps (high CFL) Views: 6,796 Posted By fredo490 Haha, that is a main problem of CFD... ... Haha, that is a main problem of CFD... First, you can improve your mesh. On airfoils, you can have area of high velocity but low pressure gradient. Therefore you don't need small cells in this...

Forum: OpenFOAM Running, Solving & CFD September 20, 2013, 09:13

Replies: 29 Simulations with large time steps (high CFL) Views: 6,796 Posted By fredo490 Yes, that's right ;) And be careful, some... Yes, that's right ;) And be careful, some "researchers" would call you crazy if you use a coupled solver with low speed. Indeed, the coupled algorithm was originally designed for high mach...

Forum: OpenFOAM Running, Solving & CFD September 20, 2013, 08:35

Replies: 29 Simulations with large time steps (high CFL) Views: 6,796 Posted By fredo490 Be careful when you see presentations like... Be careful when you see presentations like this... Most of the time, people make those beautiful tries on OF 1.6 ext which is not an official OpenFoam release ! The "extend" project is independent...

Forum: OpenFOAM Running, Solving & CFD September 18, 2013, 11:36

Replies: 29 Simulations with large time steps (high CFL) Views: 6,796 Posted By fredo490 You should be able to find the properties of the... You should be able to find the properties of the algorithm: SIMPLE or PISO, how many correctors, local-time stepping tricks, ... ?

Showing results 1 to 5 of 5

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