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DesignXplorer - Kriging Response: how many refinement points should be introduced? |
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November 5, 2015, 14:10 |
DesignXplorer - Kriging Response: how many refinement points should be introduced?
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#1 |
New Member
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Hey Experts,
I was wondering if someone could give me some advice concerning DesignXplorer. In workbench, I am modeling a nozzle which is coupled with the DesignXplorer application and I am trying to get an idea of how the nozzle behaves when I change the geometry and vary the flow rate between 1000<RE<100,000. The model is in 2D to make it very fast. After running the base model, I got bad statistical results (Simulations made sense however) so I went with the recommended Kriging response which requires additional refinement points and verification points to increase the quality of fit. My question is how many refinement points should I push into this model before it is likely necessary to switch to another type of response method. In the tutorials, they used about 4 points but this is way too little. I am sitting at ~65 points generated so far and I am not getting very close to the relative % error of 5. Any thoughts? Cheers! Liam |
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April 19, 2020, 00:08 |
Does it influence very much for the refinement points
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#2 | |
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Join Date: Dec 2017
Posts: 388
Rep Power: 9 |
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ansys, cfd, designxplorer, nozzle, optimization |
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