Engineering Fracture Mechanics

1982

DOI: 10.1016/0013-7944(82)90119-9

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Influence of geometric non-linearity on stress-intensity factors

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K.N.Ramachandran Nambissan

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Cited by 3 publications

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Combined effect of shear and large deformation on stress intensity factors

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1989

Numerical Meth Engineering

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SUMMARYAn attempt has been made to study the influence of large deformation on the stress intensity factor in a cracked plate subjected to bending including shear deformation. It is assumed that singular terms for stress resultants and strains in the case of large deformation have the same angular distribution and order of singularity as in the case of a linear problem. With this in view the small deformation singular element has been used at the crack tip region surrounded by large deformation plate bending elements. The finite element analysis, based on total Lagrangian formulation combined with the modified Newton-Raphson technique, has been used to get numerical results. Several examples connected with large deformation of cracked plates subjected to bending are studied. Using the above technique stress intensity factors for linear and non-linear cases have been compared.

Combined effect of shear and large deformation on stress intensity factors

¹

,

²

1989

Numerical Meth Engineering

View full text Add to dashboard Cite

SUMMARYAn attempt has been made to study the influence of large deformation on the stress intensity factor in a cracked plate subjected to bending including shear deformation. It is assumed that singular terms for stress resultants and strains in the case of large deformation have the same angular distribution and order of singularity as in the case of a linear problem. With this in view the small deformation singular element has been used at the crack tip region surrounded by large deformation plate bending elements. The finite element analysis, based on total Lagrangian formulation combined with the modified Newton-Raphson technique, has been used to get numerical results. Several examples connected with large deformation of cracked plates subjected to bending are studied. Using the above technique stress intensity factors for linear and non-linear cases have been compared.

Influence of crack closure for geometrically nonlinear plates bending problem

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1990

Engineering Fracture Mechanics

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Crack tip modelling for a geometrically non-linear plate bending problem

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1991

Engineering Fracture Mechanics

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