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- W2751423371 abstract "In a standard body force method analysis, a mesh division is required to define the boundary of a problem and to solve a governing equation using discretization procedure. However, in the present study, a moving least square strategy is introduced to define a weight function for the density of body force doublet and therefore a crack analysis is carried out without providing a standard mesh-division. Hence, the standard crack face elements are not required at all. A variety of 3D crack problems can be analyzed simply by providing a data that only de nes a crack front. Besides the nodal points for crack front, several internal nodes are generated on the crack face to represent a distribution of unknown function. At the internal nodes, an unknown variable is assigned which uniquely de ne a distribution of the relative crack face displacement. In the present approach, a crack problem is formulated as a singular integral equation whose unknown is a value of the weight function at the internal nodal points. A crack growth can be simulated directly by changing the shape of crack front, by means of adding a new nodal point in the vicinity of the current crack front. In the present paper, the proposed method is used to simulate a coalescence of interacting planar cracks." @default.
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- W2751423371 date "2017-09-01" @default.
- W2751423371 modified "2023-09-23" @default.
- W2751423371 title "Analysis of Planar Crack Coalescence by Mesh-Free Body Force Method" @default.
- W2751423371 cites W2279398238 @default.
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- W2751423371 doi "https://doi.org/10.4028/www.scientific.net/kem.754.161" @default.
- W2751423371 hasPublicationYear "2017" @default.
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