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Aerodynamics Simulation Gets Faster in Virtual Wind Tunnel
10/9/2013

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Altair's HyperWorks Virtual Wind Tunnel can predict an automobile's external aerodynamic performance faster and more accurately. Performance includes aerodynamic lift, drag, pressure distribution, flow field (flow separation), and aero-acoustics.   (Source: Altair)
Altairís HyperWorks Virtual Wind Tunnel can predict an automobileís external aerodynamic performance faster and more accurately. Performance includes aerodynamic lift, drag, pressure distribution, flow field (flow separation), and aero-acoustics.
(Source: Altair)

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Ann R. Thryft
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Re: So cool!
Ann R. Thryft   10/14/2013 4:54:57 PM
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OK, tekochip, now I understand your phone number. A ZiLOG alumnus, eh? The electronics world was a lot smaller back then. I remember that story about Gates yet owning DOS when he pitched IBM. It was going the rounds.

tekochip
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Re: So cool!
tekochip   10/14/2013 4:22:24 PM
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Bill's first machine was the Altair, as featured in the now famous cover from Popular Electronics.  I should have saved that issue.
 
A small world that it is.  I worked at ZiLOG for a number of years, including a time when Curt Crawford was our CEO.  Curt had worked at IBM while IBM was selecting which processor to use for IBM's personal computer.  Should the PC use a Z80 running CPM, or should it be an 8080 running Microsoft's DOS?  As the story goes, Bill Gates did not own DOS when he pitched the deal to IBM, and only bought the rights after IBM had agreed to the deal.  So Curt Crawford was instrumental in sealing a deal that cost ZiLOG, his future company, billions.  Things went about as smoothly while Curt was at the helm, too. 
 
Also funny was that I heard this story independently from Curt Crawford and from Federico Faggin- the same story from opposite ends of the table.


Ann R. Thryft
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Re: So cool!
Ann R. Thryft   10/14/2013 2:13:30 PM
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tekochip, that's really funny about your phone number. I was still in marcomm back in those ancient days of the 6800 vs the 8080. I also think it's funny that I couldn't remember Gates' first computer being an Atari--thanks, JumboJambalya.

tekochip
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Re: So cool!
tekochip   10/11/2013 12:24:42 PM
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He's got it right, and Ann has a link in her post.
 
I hate to admit it, but that's why my phone number is 8080.


JumboJambalya
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Iron
Re: So cool!
JumboJambalya   10/11/2013 11:15:23 AM
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You are thinking of Atari, Cadman

Ann R. Thryft
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Re: Effective and Efficient
Ann R. Thryft   10/10/2013 1:08:26 PM
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Thanks, jhankwitz. I think the idea is not to entirely replace actual wind tunnels, but cut down on the hassle of iterations using them. Instead, more or most iterations can be done in software.

jhankwitz
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Effective and Efficient
jhankwitz   10/10/2013 8:44:32 AM
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This simulation appears far superior to and less costly than having to do real-world testing.  Great stuff!

Ann R. Thryft
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Re: Altair
Ann R. Thryft   10/9/2013 12:51:12 PM
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Altair (no "e") is the name of a star, as well as the name of the PC that some consider the original one: the Altair 8800, based on an Intel 8080, Intel's second microprocessor (remember those? remember the Motorola 6800?):
http://oldcomputers.net/altair.html
https://en.wikipedia.org/wiki/Intel_8080

Ann R. Thryft
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Re: So cool!
Ann R. Thryft   10/9/2013 12:43:41 PM
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Glad you found this interesting Cadman. I was amazed at the current state-of-the-art of simulation and optimization software. Many of these talks were accompanied by videos of models in action during optimization analysis. The fine detail they can portray is astonishing.

Cadman-LT
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Platinum
Altair
Cadman-LT   10/9/2013 12:35:41 PM
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Wasn't Altair the name of the first computer Bill Gates designed software for? IBM Altair? maybe with an e though...Altaire.

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