Elastic to Visco-Elastic Material Behaviour -- CFD Online Discussion Forums

January 8, 2018, 07:15	Elastic to Visco-Elastic Material Behaviour	#1
FritzHansen New Member Join Date: Nov 2017 Posts: 3 Rep Power: 9	Hello! I am trying to simulate the "melting" of PMMA with a hot surface. My temperature range is from room temperature (24°C) to 120°C and so I cross the glass transition: elastic --> visco-elastic behaviour. I am okay if there is a set point where the material behaviour changes, there doesnt have to be a transition area for the material to change properties. Can anyone help me out with ideas? Is it possible to use transient-thermal, or is Fluent or Polyflow necessary? Thanks for your help!

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