Fibre orientation and related head-box optimization systems
Fibre orientation and related head-box optimization systems
Fibre orientation and related head-box optimization systems
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HOC Software<br />
Et Extremely Fast tCFDMdl<br />
Model<br />
Step 1: identification<br />
Step 2: correction<br />
CFD model inside HOC software:<br />
− 2D, laminar, depth-averaged<br />
− 5 000 elements (stabilized FEM)<br />
− CPU time is 5 seconds<br />
3D CFD (ANSYS-CFX):<br />
− 3D, turbulent, free jet<br />
− 2-3 million cells<br />
− CPU time is 1 hour<br />
Nancy, 13-14 October, 2011 www.lut.fi/ceid<br />
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