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Hansol

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Good afternoon everyone!

I've learned that thermal conductivity has a form of second-rank tensor. As you know, diagonal components of stress tensor mean normal stress and other components mean shear stress and like that

I think thermal conduction only considers 'direction' so I think k_xy, k_xz have to have same value with k_y and k_z

Is it right??

I've learned that thermal conductivity has a form of second-rank tensor. As you know, diagonal components of stress tensor mean normal stress and other components mean shear stress and like that

**do off-diagonal components of thermal conductivity tensor have some special physical meaning??**I think thermal conduction only considers 'direction' so I think k_xy, k_xz have to have same value with k_y and k_z

Is it right??

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