Thank you for very useful comments.
1- I find it extremly hard making models with holes and openings and too many components like a PCI unit, without checking the perspective in Flomotion continiously. BTW spending sometime on rotating and looking at perspective, normally gives me some idea...
Here is a comparison I made between ICEPAK and Flotherm just for electronic cooling applications. Obviously the final answer is very much depend to your specific application.
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ICEPAK Graphical user Interface (GUI) seems to be the Achilles heel. Setting up a...