By Emilio Martínez Pañeda
ISBN-10: 331963383X
ISBN-13: 9783319633831
This booklet offers a finished advent to numerical modeling of dimension results in steel plasticity. the most sessions of pressure gradient plasticity formulations are defined and successfully carried out within the context of the finite point procedure. a strong numerical framework is gifted and hired to enquire the position of pressure gradients on structural integrity evaluation. the consequences bought exhibit the necessity of incorporating the impression on geometrically invaluable dislocations within the modeling of varied harm mechanisms. huge gradients of plastic pressure bring up dislocation density, selling pressure hardening and raising crack tip stresses. This tension elevation is quantified lower than either infinitesimal and finite deformation theories, rationalizing the experimental statement of cleavage fracture within the presence of vital plastic movement. Gradient-enhanced modeling of crack development resistance, hydrogen diffusion and environmentally assisted cracking highlighted the relevance of a suitable characterization of the mechanical reaction on the small scales thinking about crack tip deformation. quite promising predictions are attained within the box of hydrogen embrittlement. The learn has been performed 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) by Emilio Martínez Pañeda
by Thomas
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