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Engineering
Mechanical Engineering
What is torsional modulus, and where is it specified?
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[QUOTE="jamesson, post: 6329057, member: 394472"] [B]TL;DR Summary:[/B] The attached site seems to use a quantity Torsional Modulus for which I cannot find neither the formal definition or a material spec In the equation for minimum link length here [URL]https://www.defproc.co.uk/analysis/lattice-hinge-design-choosing-torsional-stress/[/URL] he uses a quantity Torsional Modulus, denoted as G, which I cannot seem to find either a definition for or any kind of expected value. Shear modulus (also commonly denoted as G) is defined and published in multiple sources for the material he uses (acrylic). Google says it is 1.7GPa. Now, from his description it seems fairly clear what he means by G and how he uses it. I tried to backsolve for G and this is what I got; [ATTACH type="full"]260999[/ATTACH] So, either my calculation is off or he's using some source I haven't found. Thanks so much in advance for any assistance Joe PS - sorry if this belongs in materials, if so please let me know and I'll move it. [/QUOTE]
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Mechanical Engineering
What is torsional modulus, and where is it specified?
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