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Date(s) - 01/03/2016 - 31/03/2016
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El Dr. Raj Das, actual profesor de la Universidad de Auckland, Nueva Zelanda, dictar谩 el pr贸ximo mi茅rcoles 9 de marzo una charla sobre la modelaci贸n de deformaci贸n extrema y comportamiento din谩mico de materiales usando m茅todos sin malla.



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Las principales l铆neas de investigaci贸n del Dr. Das son la mec谩nica computacional, m茅todos sin malla, modelaci贸n de fractura e impacto din谩mico de materiales compuestos, entre otros temas. Durante su breve estad铆a en Chile, el Dr. Das visitar谩 al Dr. Saavedra del Departamento de Ingenier铆a en Obras Civiles y discutir谩n sobre la preparaci贸n y publicaci贸n de posibles trabajos colaborativos.

La charla ser谩 dictada en ingl茅s en la sala de conferencias C del edificio ViME, ex Centro de Eventos Nacionales e Internacionales, CENI, de la Universidad de Santiago de Chile, a las 12:00 hrs del d铆a mi茅rcoles 9 de marzo, y ser谩 abierta a todos los estudiantes y acad茅micos interesados en el tema. El t铆tulo y abstract de la charla se detallan a continuaci贸n:

鈥淢odelling extreme deformation and dynamic behaviour of materials using mesh-less methods鈥

The seminar will present overview of computational mechanics research at the Centre for Advanced Composite Materials of the University of Auckland. Our research covers both fundamental and applied aspects of material behaviour and failure processes. This presentation will encompass computational modelling of material deformation, damage and fracture using multi-scale techniques in conjunction with mesh-less methods, novel composite materials development and damage tolerance structural optimisation.

Multi-scale modelling of damage and fracture progression linking nano to macro scales and associated development of coupled computational modelling tools will be highlighted. The strengths of mesh-less methods will be illustrated with reference to both low to high-speed fractures and small to large scale problems. These include several dynamic fracture and fragmentation processes, such as hypervelocity impact fracture, nano-scale machining, large scale geo-mechanical failures (magma intrusion, caving, slope stability, etc).

One of our core areas to be presented is novel impact and blast resistant, light weight composite material developments for aerospace components subjected to high-speed loading and extreme deformations, as occurs in the cases of debris impact on spacecrafts, bird strike on aircraft engines, blast induced failures, etc. Lastly novel shape and topology optimisation methodologies for damage tolerance optimisation, i.e. maximising the residual strength and fatigue life, of aero-structures will be highlighted. Case studies from projects with Royal Australian Air Force and Defence Science and Technology Organisation will be presented to demonstrate the practical implementation and utilities of the developed design and analysis methodologies.



afiche raj


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