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Forum: OpenFOAM Pre-Processing

November 10, 2005, 08:50

Replies: 4

Math form expressed in OpenFoam

Views: 2,419

Posted By vvqf

Thank you so much. I mixed

Thank you so much.

I mixed * and &.

and operator calculation order is the written/appearing order, *, /, ect, do not have precedence to +, -.

Forum: OpenFOAM Pre-Processing

November 10, 2005, 07:26

Replies: 4

Math form expressed in OpenFoam

Views: 2,419

Posted By vvqf

original form: a¶xu + b¶

original form:

a¶xu + b¶xv + c¶xw
a¶yu + b¶yv + c¶yw
a¶zu + b¶zv + c¶zw

Thanks a lot.

Forum: OpenFOAM Pre-Processing

November 10, 2005, 03:34

Replies: 4

Math form expressed in OpenFoam

Views: 2,419

Posted By vvqf

volVectorField A = (a, b, c)

volVectorField A = (a, b, c)
volVectorField U = (u, v, w)

a*Ñu + b*Ñv + c*Ñw

How to describe this expression in OpenFoam?

I express it as A*grad(U), grad(U) is then a tensor. Is that...

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