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negative temperature in coupled temperature displacement analysis in Abaqus

obtain negative temperature in coupled temperature displacement analysis in Abaqus

Submitted by mohsen12 on
research
negative temperature in coupled temperature displacement analysis in Abaqus

Hi

I used coupled temperature displacement analysis in Abaqus for simulation hot forming sheet but obtain negative temperature in coupled temperature displacement analysis in Abaqus.

I think maybe my contact or mesh is not correct.

my step type: Dynamic, Temp-disp, Explicit 

mesh type: S4RT

contact type: surface to surface(Explicit) Penalty method contact  with termal conductance

Please help me to solve this problem. 

 

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