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Modeling of temperature(heat diffusion) across the grain boundary using interface

hamnsan's picture

Dear all,

I intend to model temperature propagation across the grain boundaries to simulate the gaseous diffusion. In my microstructure the interfaces are generated based on cohesive surfaces.

Now, to model the heat transfer across interfaces the possibilites could be

1. after each increment stop the simulation, search for the neighboring elements of all the interfaces and set their values equal based on some linux or python script and let it run

2. write a UEL and inform the user element about this physics

3. there is a simple way of doing it using some physical and realistic boundary condition that I am missing.

 

Can someone comment/suggest and guide a little for the implementation of 3rd option. I am using Abaqus 6.13 and the gaseous diffusion is tackled with UMATHT.

regards and thanks in advance for your time.

Hamad

 

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