Titlebook: IUTAM Symposium on Progress in the Theory and Numerics of Configurational Mechanics; Proceedings of the I P. Steinmann Conference proceedin

Heretical

Evaluation of Crack-Driving Forces at Finite Viscoelasticity: Theory and Experiment,e material force method expanded for dissipative materials. A reliable test procedure for the evaluation of these parameters is presented. Another focus lies on the investigation of time-dependent effects in this context induced by viscoelasticity.

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978-94-007-3686-3Springer Science+Business Media B.V. 2009

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IUTAM Symposium on Progress in the Theory and Numerics of Configurational Mechanics978-90-481-3447-2Series ISSN 1875-3507 Series E-ISSN 1875-3493

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On Configurational Formulations in the Director Theory of Rods,It is shown how the configurational laws of balance and jump for the director theory of rods can be derived as consequences of the fundamental rod laws of balance of linear, director and angular momentum, and of energy. The configura-tional relations so derived are independent from constitutive relations.

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On Discontinuities of Material Momentum and Eshelby Stress in Hyperelasticity and Thermoelasticity,ting jump condition contains an additional source term if the material is assumed purely hyperelastic. In a thermoelastic material, this imbalance is compensated by an ap-propriate jump of entropy such that, under adiabatic conditions, the strict balance is retained even on a singular surface.

祸害隐伏

On a Constraint-Based Regularization Technique for Configurational r-Adaptivity and 3D Shape Optimiy con-straint. The notion . refers to the fact that both r-adaptivity and shape optimization rely on an optimization of the potential energy with respect to changes of the (discrete) reference configuration. In the case of r-adaptivity, the minimization of the total potential energy optimizes the me

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Configurational Forces Derived from the Total Variation of the Rate of Global Dissipation,al response and emphasize the fact that it is possible to identify . energetic changes due to configurational changes for “frozen” spatial configuration and, in addition, the . material dissipation. The classical assumption (previously adopted in the literature) is to ignore the latter. In this pape