The Finite Element Method for the Analysis of Non-Linear and ...
The Finite Element Method for the Analysis of Non-Linear and ...
The Finite Element Method for the Analysis of Non-Linear and ...
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Notation<br />
Main Stress - Strain pairs:<br />
Material <strong>Non</strong>linearity (small de<strong>for</strong>mations)<br />
Engineering Stress σ<br />
Engineering Strain ε<br />
TL <strong>for</strong>mulation (large de<strong>for</strong>mations)<br />
2nd Piola-Kirchh<strong>of</strong>f Stress S<br />
Green-Lagrange Strain ɛ<br />
UL <strong>for</strong>mulation (large de<strong>for</strong>mations)<br />
Cauchy Stress τ<br />
Almansi Strain ɛ A<br />
Institute <strong>of</strong> Structural Engineering <strong>Method</strong> <strong>of</strong> <strong>Finite</strong> <strong>Element</strong>s II 6