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Probabilistic fracture investigation of symmetric angle ply laminated composite plates using displacement correlation method

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Lal A., Palekar Shailesh P.

Curved and Layered Structures

2016

tom 3

nr 1

The second order statistics of mixed mode stress intensity factors (MSIF) of single edge V-notched angle ply laminated composite plate subjected to uniaxial tensile load with uncertinity in the system properties using displacement correlation method (DCM) is evaluated. The random system properties such as material properties, crack opening and crack length are modelled as combined uncorrelated and correlated random system variables. A C0 finite element method (FEM) based on higher order shear deformation plate theory (HSDT) is used for basic formulation. The Taylor series based first order perturbation technique (FOPT), second order perturbation technique (SOPT) are used and direct Monte Carlo simulation (MCS) is performed to evaluate the statistics (mean and coefficient of variance) of the mixed mode SIFs. The present work signifies the accurate analysis of frature behaviour by influence of different random variables and fibre orientations on the fracture behaviour in angle ply laminates.

Ograniczanie wyników

1 Curved and Layered Structures

1 Lal A.

1 Palekar Shailesh P.

1 2016

Wyniki wyszukiwania

Probabilistic fracture investigation of symmetric angle ply laminated composite plates using displacement correlation method