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CAD/CAE tools #4334 12/29/99 03:38 PM
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augustine Offline OP
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I am an engineer experienced with CAD and CAE software tools in the automotive industry. I have a personal interest in timber structures and was interested to find out what types of CAD design and structural analysis software are being used by those in the timber framing industry. I am particularly interested in structural optimization and solid modeling tools, but would be intersted to hear about any CAD/CAE software in use.

Thanks, Mike Augustine

Re: CAD/CAE tools #4335 01/01/00 02:00 AM
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Grigg Mullen Offline
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Mike,

There are a number of CAD programs (or add-ins) for drafting timberframes. Several of them are additions to AutoCAD. I can't really recommend one over the other in this space, but a number of the suppliers set up at each Guild conference to demonstrate their wares.

There seem to be as many different structural analysis programs as there are engineers. Ed Levin uses one program, Ben Brungraber another, and I use yet another one. All are some form of structural finite element analysis program, with the capability to deal with the strength properties of wood. The static distribution of member loads through a frame is really no dofferent than if the frame was all steel. The problem comes in resolving the member loads at the joints using a material with widely (wildly) varying strength properties depending on the orientation of the load to the grain.


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