second derivative in udf -- CFD Online Discussion Forums

June 8, 2005, 13:56	second derivative in udf	#1
dirk Guest Posts: n/a	Hello all, I want to add a source term for a user defined scalar, lets say G: d²G/dx² + d²G/dy² + d²G/dz². How can I do this in a UDF ? Is this maybe the reconstructin gradient ? If not, does anyone know what the reconstruction gradient is ? Thanks, Dirk

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