on a software theme for the Cool product (Maple math software featured last week), I ran across a demo for wind
analysis software that architects and civil engineers use for predicting building structural loads, wind velocity
at street level (recall stories of gale-force winds generated between tall buildings due to venturi effect), land
erosion, and more. Both 2-D and 3-D simulations are
Vasari Ecotect Wind Tunnel color-coded graphs look a lot like many of the finite element analysis (FEA) and
computational fluid dynamics (CFD), vector field plots that we are accustomed to seeing for electric and magnetic
field analysis, thermal maps, and load stress analysis on mechanical structures. It is no coincidence since many
of the equations and techniques are either exactly the same or are very closely related. Recall in physics and
circuit analysis classes how often mechanical analogies were used for explaining electrical principles, and vice
versa. This is actually part of Autodesk's Project Vasari which was created specifically to analyze conceptual
Axiem software generates
vector diagrams for electromagnetic fields surrounding conductors in a similar manner (left image).
image to the right is Remcom's Wireless InSite.
It looks a lot like the Wind Tunnel software in that it models fields surrounding and even through buildings in an
urban environment. The difference is that Wireless InSite projects EM fields rather than wind fields. Anyone in
the wireless network planning business might want to look into this software since it appears to include multipath
effects on signal integrity.
Vasari Ecotect Wind Tunnel
(Computer Simulation Technology) is another familiar program for analyzing electromagnetic fields. It is often
seen being used for SAR (Specific A Radiation) studies of human body parts (heads, hands, reproductive organs,
The inventions and products featured on these pages were chosen either for their uniqueness in the RF engineering realm, or are simply awesome
(or ridiculous) enough to warrant an appearance.
RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary
purpose was to provide me with ready access to commonly needed formulas and reference material while
performing my work as an RF system and circuit design engineer. The Internet was still largely an unknown
entity at the time and not much was available in the form of WYSIWYG
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