Search Results

User Name Remember Me Password

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

Forum: OpenFOAM Programming & Development October 30, 2018, 11:06

Replies: 28 Introducing a scalar field for buoyancy production in k-epsilon Views: 2,825 Posted By mAlletto Maybe forAll (U , Celli) ... Maybe forAll (U , Celli) U[Celli].component(0)

Forum: OpenFOAM Programming & Development October 30, 2018, 09:13

Replies: 28 Introducing a scalar field for buoyancy production in k-epsilon Views: 2,825 Posted By mAlletto What you are doing ist comparing a volScalarField... What you are doing ist comparing a volScalarField with a float. You should write forAll(U.component(0),Celli) { If (U.component(0)[Celli] < 0) {Do somethine} Else {Do something else}

Forum: OpenFOAM Programming & Development October 30, 2018, 07:49

Replies: 28 Introducing a scalar field for buoyancy production in k-epsilon Views: 2,825 Posted By mAlletto Form the short code you sent i presume you want... Form the short code you sent i presume you want to compare a volumetric viele with a float. But hard to say without and code.

Forum: OpenFOAM Programming & Development October 29, 2018, 04:38

Replies: 28 Introducing a scalar field for buoyancy production in k-epsilon Views: 2,825 Posted By mAlletto Just one question out of curiosity: What... Just one question out of curiosity: What are the applications you are doing the modeling?

Forum: OpenFOAM Programming & Development October 29, 2018, 02:41

Replies: 28 Introducing a scalar field for buoyancy production in k-epsilon Views: 2,825 Posted By mAlletto In some manner. You should really write down the... In some manner. You should really write down the derivation of the transport equation for the turbulent kinetic energy equation considering buoyancy to understand if everything is correct (see e.g....

Forum: OpenFOAM Programming & Development October 27, 2018, 13:39

Replies: 28 Introducing a scalar field for buoyancy production in k-epsilon Views: 2,825 Posted By mAlletto A ok I got it. Ok the beta in the momentum... A ok I got it. Ok the beta in the momentum equtions comes from the Boussinesq Approximation, i.e. you linearize the density around a a given value and expand it as a function of temperature. The same...

Forum: OpenFOAM Programming & Development October 27, 2018, 11:36

Replies: 28 Introducing a scalar field for buoyancy production in k-epsilon Views: 2,825 Posted By mAlletto Which scalar are you interested in? The term... Which scalar are you interested in? The term accounting for the buoyancy production in the k equation comes into the equation when the buoyancy is present also in the momentum equation. If one...

Forum: OpenFOAM Programming & Development October 26, 2018, 05:04

Replies: 28 Introducing a scalar field for buoyancy production in k-epsilon Views: 2,825 Posted By mAlletto const volScalarField& S_ =... const volScalarField& S_ = U_.mesh().lookupObject<volScalarField>("S"); if you have defined the scalarField somewhere you can retrieve it with the above function

Showing results 1 to 8 of 8

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