Implementation of product of volVectorFields model in OpenFoam 6 -- CFD Online Discussion Forums

February 27, 2019, 04:35	Implementation of product of volVectorFields model in OpenFoam 6	#1
kuria Member K Join Date: Mar 2018 Posts: 34 Rep Power: 8	Hey Foamers I am kind of lost while trying to implement this equation: $\|\nabla\alpha\|^2I - \nabla \alpha \times \nabla \alpha^T$ $\alpha$ is the volume fraction field which is a volScalarField $\nabla \alpha$ is a volVectorField $\nabla \alpha^T$ should be the transpose of the matrix that contains $\nabla \alpha$ And I is the identity matix But transpose of the matrix multiplied with a original matrix would give me a scalar value which is equivalent to the square of magnitude of the vector. Any thoughts on this or on how to implement it would be super helpful!

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