Elements of Classical Plasticity Theory - Öchsner, Andreas
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This monograph provides a compact introduction into the classical, i.e. rate-independent, plasticity theory. Starting from the engineering stress-strain diagram, the concept of elastic and elasto-plastic material behavior is introduced, as well as the concept of uniaxial and multiaxial stress states. Continuum mechanical modeling in the elasto-plastic range requires, in regards to the constitutive equation, in addition to the elastic law (e.g. Hooke's law), a yield condition, a flow rule and a hardening rule. These basic equations are thoroughly introduced and explained for one-dimensional…mehr

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Produktbeschreibung
This monograph provides a compact introduction into the classical, i.e. rate-independent, plasticity theory. Starting from the engineering stress-strain diagram, the concept of elastic and elasto-plastic material behavior is introduced, as well as the concept of uniaxial and multiaxial stress states. Continuum mechanical modeling in the elasto-plastic range requires, in regards to the constitutive equation, in addition to the elastic law (e.g. Hooke's law), a yield condition, a flow rule and a hardening rule. These basic equations are thoroughly introduced and explained for one-dimensional stress states. Considering three-dimensional plasticity, different sets of stress invariants to characterize the stress matrix and the decomposition of the stress matrix in its hydrostatic and deviatoric part are introduced. Furthermore, the concept of the yield condition, flow rule and hardening rule is generalized for multiaxial stress states. Some typical yield conditions are introduced and theirgraphical representation in different stress spaces is discussed in detail. The book concludes with an introduction in the elasto-plastic finite element simulation of mechanical structures. In the context of numerical approximation methods, the so-called predictor-corrector methods are used to integrate the constitutive equations. This is again introduced in detail based on one-dimensional stress states and afterwards generalized to the three-dimensional case. Test your knowledge with questions and answers about the book in the Springer Nature Flashcards app.
Autorenporträt
Andreas Öchsner ist ordentlicher Professor für Leichtbau und Struktursimulation an der Fachhochschule Esslingen, Deutschland. Nach seinem Abschluss als Dipl.-Ing. in Luftfahrttechnik an der Universität Stuttgart (1997) war er von 1997 bis 2003 als wissenschaftlicher Mitarbeiter an der Universität Erlangen-Nürnberg tätig und promovierte dort zum Dr.-Ing.. Von 2003 bis 2006 war er Assistenzprofessor am Fachbereich Maschinenbau und Leiter der Cellular Metals Group an der Universität Aveiro, Portugal. Sieben Jahre lang (2007-2013) war er ordentlicher Professor am Fachbereich Angewandte Mechanik der Technischen Universität Malaysia, wo er auch Leiter des Labors für fortgeschrittene Materialien und Strukturen war. Von 2014 bis 2017 war er ordentlicher Professor an der School of Engineering, Griffith University, Australien, und Leiter des Studiengangs Maschinenbau (Fachbereichsleiter und Programmdirektor). Resam Makvandi ist Doktorand und wissenschaftlicher Mitarbeiter am Institut für Mechanik der Otto-von-Guericke-Universität Magdeburg, Deutschland. Er schloss seinen B.Sc. an der Islamic Azad University, Ahvaz Branch, Iran (2010), und seinen M.Eng. an der University of Technology, Malaysia (2013), beide in Maschinenbau, ab.