Research Article

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

Figure 3

A right angle bent of circular section. (a) Geometry and loading. (b) Material properties and yield function. (c) Finite element mesh. (d) Plastic hinge formation sequence. (e) Load-displacement response.
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(a)
142743.fig.003b
(b)
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(c)
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(d)
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(e)