Hi I have problem with heat sink optimization. my optimization goals are minimum mass and maximum heat transfer. the problem is that I get the wrong heat transfer results because as the number of fins increases, my heat transfer decreases.

Hi iman problem with heat sink optimization. my optimization goals are minimum mass and maximum heat transfer. the problem is that I get the wrong heat transfer results because as the number of fins increases, my heat transfer decreases.
SolidworksSimulation