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Red Hot Electronic Thermal Analysis?

The etymology of the phrase ‘red hot’ dates back to the 14th century describing the colour attained by metal as it is heated. When attributed to people it can euphemistically be used to describe passion and attractiveness. Any colourful picture output from a numerical thermal simulation of an electronics system will have red depicting hot and commonly blue to show cold. There are other colour map options though..

FloTHERM has a range of colour map options in it’s ‘Visual Editor’ post processing gui. Despite the fact that colour is (mis)spelt color in the gui it is easy to find and experiment with changing the colour scale used on screen. A colour map is simply a map of different colours to different numerical values of temperature. There are fifteen different colour maps to choose from. Here is a selection of some of them applied to a PCB level model:

“Spectrum” spectrum

“FloMotion32″ flomotion32

“VisStandard” vis_win_standard

So far so good, they’re all quite similar, the main differences being in the colour banding in the mid temperature ranges. Now let’s start to go a bit off-piste:

“Menthol” menthol

“Red Scale” redscale

“Grey Scale” greyscale

“Iron” iron

Somewhat iron-ic that the Iron scale doesn’t have a red in it ;)

Finally how’s this for a useful colour map:

“Black” black

You might laugh but there are times this is useful, not so much for surface temperature colouring, more for flow particle and arrow colouring.

You too can experiment with your favourite colour map FOR FREE! Either read this blog or follow this link to download the fully functional standalone version of FloTHERM’s post processing window; FloVIZ.

14th July 2010 Hampton Court

Electronics Cooling, CFD, FloViz, red hot

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About Robin Bornoff Follow on Twitter

Robin BornoffRobin Bornoff achieved a Mechanical Engineering Degree from Brunel University in 1992 followed by a PhD in 1995 for CFD research. He then joined Mentor Graphics Corporation, Mechanical Analysis Division (formerly Flomerics Ltd) as an application and support engineer, specializing in the application of CFD to electronics cooling and the design of the built environment. He is now the Product Marketing Manager responsible for the FloTHERM and FloVENT softwares. Visit Robin Bornoff's blog

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[...] it as  a section in a much wider floor so it doesn’t show the cold edges. There is the same results colourmap available though to aid in such real vs. simulation [...]

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