Rate of strain in a fluid -- CFD Online Discussion Forums

December 12, 2003, 07:48	Rate of strain in a fluid	#1
Tim Guest Posts: n/a	Hi, I am trying to determine the value of strain in a fluid. A literature review leads me to: Sij = 1/2 (duj/dxi + dui/dxj) Some papers have \|S\| = sqrt(2 * Sij Sij) whilst others have \|S\| = sqrt (Sij Sij) Can anyone tell me which is correct. Thanks Tim.

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