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Published in:
2013 | OriginalPaper | Chapter
Nonlinear Models of Materials
Authors : Edmund Wittbrodt, Marek Szczotka, Andrzej Maczyński, Stanisław Wojciech
Published in: Rigid Finite Element Method in Analysis of Dynamics of Offshore Structures
Publisher: Springer Berlin Heidelberg
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In numerous technical applications the supporting structure of a device is assumed to be subjected to stresses within the limits of proportionality, i.e. where the Hooke’s law is applicable. It is also the case with offshore cranes. In the installation process of underwater pipelines with the reel method, however, the pipes are commonly deformed plastically when they are wound onto the reel. Furthermore, material exposed to prolonged deformation may show a tendency to creep. Hence, the present chapter which briefly introduces these models of construction materials: elasto-plastic and visco-elastic.