By Emilio Martínez Pañeda

This publication presents a entire advent to numerical modeling of measurement results in steel plasticity. the most sessions of pressure gradient plasticity formulations are defined and successfully applied within the context of the finite aspect approach. a powerful numerical framework is gifted and hired to enquire the position of pressure gradients on structural integrity review. the consequences bought display the necessity of incorporating the impression on geometrically helpful dislocations within the modeling of assorted harm mechanisms. huge gradients of plastic pressure bring up dislocation density, selling pressure hardening and raising crack tip stresses. This pressure elevation is quantified below either infinitesimal and finite deformation theories, rationalizing the experimental remark of cleavage fracture within the presence of vital plastic stream. Gradient-enhanced modeling of crack development resistance, hydrogen diffusion and environmentally assisted cracking highlighted the relevance of an acceptable characterization of the mechanical reaction on the small scales all in favour of crack tip deformation. fairly promising predictions are attained within the box of hydrogen embrittlement. The examine has been carried out on the Universities of Cambridge, Oviedo, Luxembourg, and the Technical college of Denmark, in a collaborative attempt to appreciate, version and optimize the mechanical reaction of engineering materials. 

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Strain Gradient Plasticity-Based Modeling of Damage and Fracture (Springer Theses)

This ebook offers a finished creation to numerical modeling of measurement results in steel plasticity. the most sessions of pressure gradient plasticity formulations are defined and successfully carried out within the context of the finite aspect process. a strong numerical framework is gifted and hired to enquire the function of pressure gradients on structural integrity review.

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