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Article #350Re: Dynamic Modeling
From: Yeoh Yiu
Date: Tue, 28 Aug 2001 12:07
Date: Tue, 28 Aug 2001 12:07
35 lines
2774 bytes
2774 bytes
If you just want an animated illustration without the dynamic load model underlying it, morphing software will do the trick. eg http://www.foulds2000.freeserve.co.uk/bushv5.htm move your cursor about. YY modorney@aol.com (Mike O'Dorney) writes: > > ...and computer-controlled devices that can shake a > > model of a structure to see what would happen (and we also have > > fast enough computers to analyze what how the structure would > > respond as well). > > ALong these lines, Parametric Technology Corp, Makers of Pro Engineer, > has a cad cam model of a steam locomotive frame and driving gear. > They use this demo model with some of their software that shows > deflections of mechanical structures under dynamic loads. This > particular model has the deflections amplified ten times. > > Steam locomotives are usually unbalanced, despite a plethora of > counterweights, and to watch this demo twist and squirm as the driving > gear moves is eye-opening. I haven't seen this demo in a museum, but > have seen it at a few trade shows. It's been around a few years, so > PTC might not mind it "floating around". It would be interesting to > see the models used to design the new Bay Bridge, and see the flexing > (amplified ten times) under simulated earthquakes. > > Any Pro-E jockeys out there with the loco frame (and maybe a bridge?) > > cheers, > Mike
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: fd3ff,aa5314338c14ea63 X-Google-Attributes: gidfd3ff,public X-Google-Thread: f59f9,865b7458dc0f15ec X-Google-Attributes: gidf59f9,public X-Google-ArrivalTime: 2001-08-28 05:07:09 PST Path: arc1-ca.pugleaf.net!archiver1.google.com!newsfeed.google.com!newsfeed.stanford.edu!news-spur1.maxwell.syr.edu!news.maxwell.syr.edu!newsxfer.eecs.umich.edu!panix!news.panix.com!not-for-mail From: Yeoh Yiu <squid@panix.com> Newsgroups: la.transportation,ba.transportation Subject: Re: Dynamic Modeling Date: 28 Aug 2001 08:07:04 -0400 Organization: PANIX Public Access Internet and UNIX, NYC Lines: 35 Sender: squid@panix1.panix.com Message-ID: <oxgofp0pevr.fsf@panix1.panix.com> References: <88e6ca33.0108090052.98e157@posting.google.com> <3B72B2AA.CA9FBCA1@thegrid.net> <3B72C87B.38024F02@but.us.chickens> <88e6ca33.0108101737.4377befd@posting.google.com> <9l260p$lmk$1@slb6.atl.mindspring.net> <nobody-1908012341220001@adsl-209-233-20-69.dsl.snfc21.pacbell.net> <4a5d976e.0108200720.3775198e@posting.google.com> NNTP-Posting-Host: panix1.panix.com Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: news.panix.com 999000414 7239 166.84.1.1 (28 Aug 2001 12:06:54 GMT) X-Complaints-To: abuse@panix.com NNTP-Posting-Date: 28 Aug 2001 12:06:54 GMT User-Agent: Gnus/5.0808 (Gnus v5.8.8) Emacs/20.7