3.4 A BRIEF HISTORY OF FEM
Basic idea of FEM originated from analysis procedure used in framed structures like trusses, aircraft structural analysis and flow network analysis. For the origin and development of FEM, there are different perspectives from the viewpoint of a mathematician, a physicist and an engineer. From the mathematician's perspective, solutions to boundary value problems of continuum mechanics were sought by finding approximate upper and lower bounds for eigen values. The physicists were trying to solve continuum mechanics problems by means of piecewise approximating functions. The engineers were investigating methodologies for the solution of complex aero-elasticity problems such as stiffness of shell type structures reinforced ...
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