Abstract
In this Chapter the basic building elements of Nonsmooth Mechanics are explained. To this end the notions of convex, nonconvex and quasidifferentiable superpotential are introduced. Boundary conditions and material laws resulting from convex or nonconvex, nonsmooth energy functions are defined by using the concept of subdifferential or of qua-sidifferential. Additional information on these subjects can be found in Duvaut and Lions [13], Panagiotopoulos [51], Hlavaček et al. [29], Moreau, Panagiotopoulos, Strang [42], [43], Antes, Panagiotopoulos [1], Panagiotopoulos [54], Moreau [39], [41], [44] and [22], Naniewicz, Panagiotopoulos [47].
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Dem’yanov, V.F., Stavroulakis, G.E., Polyakova, L.N., Panagiotopoulos, P.D. (1996). Nonsmooth Mechanics I. In: Quasidifferentiability and Nonsmooth Modelling in Mechanics, Engineering and Economics. Nonconvex Optimization and Its Applications, vol 10. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-4113-4_3
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DOI: https://doi.org/10.1007/978-1-4615-4113-4_3
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