A Radial Return Algorithm Application in Elastoplastic Frame Analysis Using Plastic Hinge Approach

<table>A Four-legged jacket. (a) Geometry and loading. (b) Material properties, and yield function. (c) Plastic hinge formation sequence. (d) Load-displacement response.</table>

Mathematical Problems in Engineering

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Figure 5

Figure 5: A Radial Return Algorithm Application in Elastoplastic Frame Analysis Using Plastic Hinge Approach 