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Types of analysis: Linear static, linear dynamic and non linear static

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<strong>Types</strong> <strong>of</strong> <strong>analysis</strong>: <strong>Linear</strong> <strong>static</strong>, <strong>linear</strong> <strong>dynamic</strong> <strong>and</strong> <strong>non</strong> <strong>linear</strong> <strong>static</strong><br />

Paulo B. Lourenço<br />

|<br />

6<br />

Modern Structural Analysis<br />

The modern use <strong>of</strong> <strong>non</strong><strong>linear</strong> <strong>analysis</strong> focuses mostly on these three<br />

fields:<br />

‣ Complex / stringent safety requirement structures (e.g. nuclear plants,<br />

dams, bridges)<br />

‣ Virtual laboratory for parametric studies<br />

‣ Existing structures (evaluation, repair, rehabilitation)<br />

Three types <strong>of</strong> <strong>non</strong>-<strong>linear</strong>ities may arise:<br />

F<br />

<br />

<br />

Concrete<br />

(“code model”)<br />

Steel<br />

(“code model”)<br />

<br />

Material (or physical) <strong>non</strong><strong>linear</strong>ity<br />

<br />

Geometrical<br />

<strong>non</strong><strong>linear</strong>ity<br />

Contact <strong>non</strong><strong>linear</strong>ity<br />

Institute for Sustainability <strong>and</strong> Innovation in Structural Engineering

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