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[OpenFOAM] Settings for the quickiest volume rendering in Paraview? |
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October 29, 2012, 13:16 |
Settings for the quickiest volume rendering in Paraview?
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Member
Petr Furmanek
Join Date: Jan 2012
Location: Faenza, Italy
Posts: 66
Rep Power: 14 |
Hi all,
I'd like to ask you for help with the following problem: I'm post-processing data from numerical simulation of 3D two-phase flow (water-air, polyhedral mesh with approx. 670 000 cells). I need to use volume mapping in paraview (so I can see the exact motion of water during time). However both rendering and making any changes in view (redraw after rotating, adding text into the picture field...) are TERRIBLY slow. Rendering of one picture (time-state) takes 6 minutes. I've brand new, 12 cores (Intel Xeon E5-2667, 2.9 GH) machine with 64 GB of RAM and NVidia Quadro 4000 (2 GB) graphic card with Scientific Linux 6.2. As I understand it, there is no advantage in running paraview in parallel on the local machine. But are there some recommended (best?) settings for speed up paraview in cases like this (I've read this post: http://www.cfd-online.com/Forums/ope...-parallel.html, but it didn't help much)? So far, I'm only testing various configurations and settings of the solver. At the end I can expect very fine mesh with cca 20E6 cells on a complex geometry. With the current speed the rendering would take more time than the computation itself... |
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