Dynamic Analysis of Fracture in Thin-Walled Pipes

Gato, C.; Shie, Y.

doi:10.1115/1.4003884

Cited by 2 publications

(1 citation statement)

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“…For validating the proposed approach, numerical examples of quasistatic tearing of a square plate, an impact problem and detonation driven fracture of cylindrical shells were considered. In present work, it was the first time that the 3D continuum approach based on Lagrangian kernels was applied to fracture of thin shells and implementation was done in C++ [ 84 , 85 ]. In a recent development, a new enrichment criterion for modeling kinked cracks using EFG method is proposed by Pant et al In order to capture crack tip stress singularity, some additional terms are incorporated in the linear basis function.…”

Section: Fracture Mechanicsmentioning

confidence: 99%

A Review on Recent Contribution of Meshfree Methods to Structure and Fracture Mechanics Applications

Daxini

Prajapati

2014

The Scientific World Journal

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Meshfree methods are viewed as next generation computational techniques. With evident limitations of conventional grid based methods, like FEM, in dealing with problems of fracture mechanics, large deformation, and simulation of manufacturing processes, meshfree methods have gained much attention by researchers. A number of meshfree methods have been proposed till now for analyzing complex problems in various fields of engineering. Present work attempts to review recent developments and some earlier applications of well-known meshfree methods like EFG and MLPG to various types of structure mechanics and fracture mechanics applications like bending, buckling, free vibration analysis, sensitivity analysis and topology optimization, single and mixed mode crack problems, fatigue crack growth, and dynamic crack analysis and some typical applications like vibration of cracked structures, thermoelastic crack problems, and failure transition in impact problems. Due to complex nature of meshfree shape functions and evaluation of integrals in domain, meshless methods are computationally expensive as compared to conventional mesh based methods. Some improved versions of original meshfree methods and other techniques suggested by researchers to improve computational efficiency of meshfree methods are also reviewed here.

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Section: Fracture Mechanicsmentioning

confidence: 99%