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tensor expansion of anisotropy Invariants

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Old   August 11, 2014, 08:17
Default tensor expansion of anisotropy Invariants
Thangam Natarajan
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I am trying to calculate the second and third invariants for a turbulent flow. I have the second order statistics (both transient and averaged). i.e uu, vv, ww, uv, vw and uw. These are supposed to be expanded as II = b_ij / 2 and and III = bij bjk bki/3 but I am stuck at this point on how to expand them further to get the second and third invariants.
any help would be appreciated.


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expansion, les, tensors

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