Talk:Finite element method in structural mechanics

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iFEM

why not include the inverse the totla amount veriation Finite Element Method iFEM), developed by Tessler and Spangler? —Preceding unsigned comment added by 149.243.232.3 ([[User talk:149.243.about of thinking limit zoom cntrl all trim 232.3|talk]] • contribs) 09:50, July 11, 2006 nice —Preceding unsigned comment added by 59.92.191.129 (talk) 13:39, 5 August 2008 (UTC)[reply]

Messy equations

Requires an expert on the subject to sort out the equations. TYelliot | Talk | Contribs 08:30, 24 October 2010 (UTC)[reply]

Poor FEM explanation

As much as this article represents common views of the finite element method by held by many structural engineers in industry, it has several glaring omissions and shows poor understanding of element properties and connectivity. Midside nodes are added to increase DOF for lagrangian shape functions only, not for elements using legendre shape functions. Nodes do not "drag" the element, but only serve to define connectivity. Contrary to popular belief, displacements ARE defined continuously throughout the entire domain, not just the nodes, and the extraction of displacement within an element is not interpolation! Higher order elements are not treated by this article, in which continuous derivatives can be obtained at any point within any element anywhere in the domain without interpolation. The sin of reduced integration is not mentioned, nor its bad side effects. Please see http://www.amazon.com/Introduction-Finite-Element-Analysis-Computational/dp/0470977280/ref=sr_1_2?ie=UTF8&qid=1312818953&sr=8-2 This needs some serious attention. 209.248.131.3 (talk) 15:56, 8 August 2011 (UTC)[reply]