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How to write an simple diffusion equation.

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January 25, 2011, 11:47	How to write an simple diffusion equation.	#1
Jimmy-Hill New Member Jimmy Hill Join Date: Jan 2011 Posts: 1 Rep Power: 0	Hi Foamers, I am new to OpenFOAM and I need to write a diffusion equation , I have read the examples and I can't identify my case d[ nu (dT/dx) ] /dx + d[ nu (dT/dy) ] /dy + d[ nu (dT/dz) ] /dz = 0 ; nu and T are scalar Fields , nu can be a constant to Thanks for your help Jimmy

January 25, 2011, 15:06		#2
stevenvanharen Senior Member Steven van Haren Join Date: Aug 2010 Location: The Netherlands Posts: 149 Rep Power: 15	This is written as: Code: fvm::laplacian(nu,T) Take a look at laplacianFoam, this solver solves the diffusion equation.

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