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Viscous Heating of PEEK in Ansys

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(@vahid1991)
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Joined: 10 years ago

Hi, Im making a research related to viscous heating of the PEEK, but Im really new on the polymer topic and when I went to ansys I really dont know how to introduce the parameters needed on the program. So far I have G,G as a function of Frecuency and Temperature. Im not sure if I must put something like the Prony series or something else to add some viscoelastic properties on the simulation. Any advice or book review will be appreciated.

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Posts: 3998
(@jorgen)
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Joined: 5 years ago

If you specify a linear viscoelastic model (a Prony series), then you should be able to predict viscous heating.
Note that linear viscoelasticity will only be suitable if the strains are very small.

-Jorgen

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Topic starter
(@vahid1991)
New Member
Joined: 10 years ago

Thank you for your answer Dr. Jorgen,

Do you have an explicit example of how to calculate the prony series?

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