Late in 1988 two key employees of CHAM (Concentration Heat And Momentum Ltd.), the first commercial CFD vendor and at the time market leader, left to set up a new type of CFD company. Recognising the opportunity to package CFD in focussed, highly automated and application specific products, David Tatchell and Harvey Rosten started to develop what would become FloTHERM. A CFD … [Read more...]
New Version of CFD Meshing Software Released
Software developer Pointwise has released the latest version of its Pontwise computational fluid dynamics (CFD) meshing software. Pointwise Version 17.1 R3 includes bug fixes and new capabilities, such as finer control over how cutting planes can be positioned within a volume mesh for examining mesh quality metrics and new native interfaces to CFD solvers. “At the end of the … [Read more...]
Why Not Just Shove a Heatsink on Top of it? Part 3: Pads, Vias and Undersinking
An appreciation of heat flow paths is a pre-requisite for good thermal design. If you attempt to augment heat flow where there is none then your expectations are as futile as your design skills. The real value of simulation for me is that it enables an insight into the behaviour of a proposed design (this is true for simulation of any design and any behaviour). Once you … [Read more...]
Why Not Just Shove a Heatsink on Top of it? Part 2: Heat Flow Budgets
Two different package styles, two very different thermal responses when a extruded plate fin heatsink is placed on each. At the very least a FloTHERM simulation can be used to observe the thermal behaviour of a product concept, beyond that it can be used to understand *why* the thermal behaviour is what it is. … [Read more...]
Why Not Just Shove a Heatsink on Top of it? Part 1
A common enough question. Heatsinks are often perceived to be the magic answer to all electronics cooling challenges. They should be called ‘area extenders’ as heat does not just disappear into them. Heat spreads throughout a heatsink passing to the air over a much larger area than it would otherwise do. Air can then do its magic, whisking the heat away thus keeping … [Read more...]
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