The elastic analysis of arbitrary thin shells having part-through cracks, using the integrated line spring and the semiloof shell elements

• Tipo: Artigo em Revista Científica Internacional
• Data: 1991

Autores

Carlos Magalhães Oliveira (Autor) FEUP; Francisco Queirós Melo (Autor) FEUP; Paulo Tavares de Castro (Autor) FEUP

Revista

Título: Engineering Fracture Mechanics

Vol. 39 Nº 6

Páginas: 1027-1035

ISSN: 0013-7944

Editora: Elsevier

Outras Informações

Resumo (PT): This work describes the Integrated Line Spring Element, which was specially designed to be associated to Semiloof shell elements for the simulation of the structural behaviour of the remaining ligament in a part-through crack in a thin shell. In its formulation, it follows the "line spring model" introduced by Rice and Levy (1972) for virtually infinite plates of small thickness. This element was used to determine the stress intensity factor for internal and external semi-elliptical cracks in arbitrary shells under mode I, mode II and mode III 1oad conditions.

Abstract (EN): This work describes the Integrated Line Spring Element, which was specially designed to be associated to Semiloof shell elements for the simulation of the structural behaviour of the remaining ligament in a part-through crack in a thin shell. In its formulation, it follows the "line spring model" introduced by Rice and Levy (1972) for virtually infinite plates of small thickness. This element was used to determine the stress intensity factor for internal and external semi-elliptical cracks in arbitrary shells under mode I, mode II and mode III 1oad conditions.

Idioma: Português

Tipo (Avaliação Docente): Científica

Nº de páginas: 9