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ST7- Using Normal Pressure to Fold a Box
The plate normal pressure attribute updates the direction of applied load as the structure deforms in a geometric nonlinear analysis. This means it can be used to apply load which causes structure to fold or wrap around other structure. In this Webnote we examine the folding of a box from a flat creased aluminium plate. The load is then released and the spring-back effect is measured.  The starting planform shape of the box is shown at right. The model needs to have contact elements defined...
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