Hello,(adsbygoogle = window.adsbygoogle || []).push({});

Been a long time lurker, but first time poster. I hope I can be very thorough and descriptive. So, I have been battling with a double inner product of a 2nd order tensor with a 4th order one. So my question is:

How do we expand (using tensor properties) a double dot product of the basis vectors to a simpler one?

[tex](e_ie_je_ke_l):(e_me_n)=?[/tex]

and

[tex](e_ie_j):(e_ke_le_me_n)=?[/tex]

Thanks a lot!!

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# 4th order tensor double product

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