- #1
enzomarino
- 1
- 0
Dear friends,
How is the divergence in curvilinear coordinates of a second order mixed tensor defined? I mean, shall I contract the covariant or the contravariant index?? And for both cases which is the physical meaning?
[tex]\nabla_i N^i_j[/tex] or [tex]\nabla_j N^i_j [/tex]?
Thanks a lot,
Enzo
How is the divergence in curvilinear coordinates of a second order mixed tensor defined? I mean, shall I contract the covariant or the contravariant index?? And for both cases which is the physical meaning?
[tex]\nabla_i N^i_j[/tex] or [tex]\nabla_j N^i_j [/tex]?
Thanks a lot,
Enzo