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4. Deterministic and reliable optimization of a tube with two expansion zones
The second example discussed in this article involves hydroforming a tube with two expansion zones of different heights. The problem is solved using a classical deterministic method and a probabilistic approach, in order to compare the two. To simplify the problem, only the loading parameters are considered to be uncertain.
The finite element model is composed of a matrix with two expansion zones, and two punches that supply material to the expanded zone modeled by rigid bodies. The tube has a diameter of 45 mm and an initial thickness of 1.5 mm. The model is shown in figure 27 .
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Deterministic and reliable optimization of a tube with two expansion zones
Reliable optimization of circular sheet hydroforming
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ANSYS software :
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ESAFORM 2020 – 23 rd International Conference on Material Forming, BTU Cottbus Senftenberg, Platz der Deutschen Einheit 1, Cottbus, Germany
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