How to set boundary of polymer swelling? -- CFD Online Discussion Forums

November 10, 2005, 06:46	How to set boundary of polymer swelling?	#1
ST Guest Posts: n/a	I have the problem about polymer flow behavior in extruder.I use power law model for my simulation. Polymer melt is injected from die that appear swelling at exit. Now, I want to set free surface boundary at swelling surface. Can someone tell me how to set this boundary?

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