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<p>[QUOTE=&quot;CoinCorgi, post: 7500469, member: 88934&quot;]The link I gave in post#36, is to a paper by someone who did an FE analysis of a coin being struck. He did it for the Portuguese mint I think. Google the author (Paulo Alexandrino) and you&#039;ll find another paper where he presents results of a study he did that at least references metal flow (unfortunately it costs $50 to download, so I didn&#039;t).</p><p><br /></p><p>Now I know enough about non-linear, large deformation, finite element analysis to recognize that it is entirely feasible to model very accurately the transformation of a planchet to a coin. LS-DYNA for instance is (or used to be) the go to analysis software to model cold form metal pressing, etc. The minting process involves much higher strain rates than cold pressing, but there is plenty of available data to accurately model the constiutive properties of different metals at these strain rates. The number of elements required to model the intricate details of a coin&#039;s fields and devices is huge but entirely within the processor power of common high end PC&#039;s.</p><p><br /></p><p>Blah blah blah[/QUOTE]</p><p><br /></p>

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