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## Main Question or Discussion Point

In my thermodynamics class, I'm seeing that when a body gets linearly distorted we use the divergence of the velocity to find how much the body gets distorted and if the divergence is 0 then the body is incompressible.

Div v = (nabla) (v)

Please! Can someone explain to me why this works just shortly? What is divergence???

I had never seen divergence in my life so I'm very confused. Thanks a lot and hope my translation of all the mentioned terms is correct, since my class is in spanish.

Div v = (nabla) (v)

Please! Can someone explain to me why this works just shortly? What is divergence???

I had never seen divergence in my life so I'm very confused. Thanks a lot and hope my translation of all the mentioned terms is correct, since my class is in spanish.