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  • Users: spacefun
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  1. spacefun

    OpenFOAM: simulation of flow in a valve using simplefoam

    Hi all, I'm a newbie to use OpenFOAM. I want to simulate a flow in control valve to measure its Cv, as steady and incompressible conditions. I set the pressure at inlet and outlet, and I want to get the velocity of flow and so the flow rate. I create a simplefoam case, I imported the mesh from...
  2. spacefun

    Generative Structure Analysis: restrain reaction error

    Hi all, I'm trying to do a simple simulation with CATIA. I have a beam with two pivots on two double-end holes: there is no restrain for rotating around axis hole. A distributed force (2000N) acts perpendicular to the hole axes. I hope the image attached helps to understand. The problem is...
  3. spacefun

    mixing elbow simulation OpenFOAM

    Hi all, I'm trying to solve a simulation of mixing elbow with OpenFOAM. I used the classical configuration of elbow template found on tutorial folder of OpenFoam. When I launched simulation it crashes after increasing time and I got this: Time = 0.25 Courant Number mean: 2436.58 max: 20540.4...
  4. spacefun

    apply force on a surface, part of a bigger surface

    Hi all, I use CATIA V5 Generative Structure Analysis module. I need to know how to apply a force on part of a bigger surface. For example if I have a cube, I need to apply a force on a quarter of one of six faces. How to set this? When I select a face it aplies force on all the surface. Thank...
  5. spacefun

    DOF of part for structure analysis

    Hi all, I have a doubt on FEM analysis conducted with Generative Structure Analysis module of CATIA V5. If I leave 1 DOF (one rotation) on a part, but the equilibrium is done by balanced forces which I impose, can I solve FEM analysis on CATIA? Or it need to set 0 DOF on a part? If I leave 1...

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