Category Archives: FEM – Analysis

Finite Element Method
The finite element method (FEM) is a numerical technique for finding approximate solutions to boundary value problems for differential equations. It uses variational methods (the calculus of variations) to minimize an error function and produce a stable solution. Analogous to the idea that connecting many tiny straight lines can approximate a larger circle, FEM encompasses all the methods for connecting many simple element equations over many small subdomains, named finite elements, to approximate a more complex equation over a larger domain.

Fastener modelling in Nastran

This way of modelling presented in this post is one of most used, as it is simple and sufficiently accurate. For … Continue reading

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Linear Buckling Analysis – SOL 105

Theoretical Background Buckling analysis assesses the stability characteristics dictating the integrity limit of a structure. Let us start with a … Continue reading

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Problems with Large XDB or OP2

IIf you are constantly having to work with large models and larger output in XDB format, MSC Nastran has come … Continue reading

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