Until recently, most FEA applications undertaken by design engineers were limited to linear analysis which provides an acceptable approximation of real-life characteristics for most problems design engineers encounter. Nevertheless, occasionally more challenging problems arise, problems that call for a nonlinear FEA approach!
Historically, engineers were reluctant to use nonlinear analysis, because of its complex problem formulation and long solution time. That’s changing now, as nonlinear FEA software interfaces with CAD and has become much easier to use so even a Nincompoop can do it…
What is Nonlinear FEA?
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