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|Title:||A novel singular ES-FEM method for simulating singular stress fields near the crack tips for linear fracture problems||Authors:||Liu, G.R.
|Keywords:||Edge-based smoothed finite element method (ES-FEM)
Finite element method (FEM)
Mesh free method
|Issue Date:||Apr-2011||Citation:||Liu, G.R., Nourbakhshnia, N., Zhang, Y.W. (2011-04). A novel singular ES-FEM method for simulating singular stress fields near the crack tips for linear fracture problems. Engineering Fracture Mechanics 78 (6) : 863-876. ScholarBank@NUS Repository. https://doi.org/10.1016/j.engfracmech.2009.11.004||Abstract:||This paper presents a novel numerical method for effectively simulating the singular stress field for mode-I fracture problems based on the edge-based smoothed finite element method (ES-FEM). Using the unique feature of the ES-FEM formulation, we need only the assumed displacement values (not the derivatives) on the boundary of the smoothing domains, and hence a new technique to construct singular shape functions is devised for the crack tip elements. Some examples have demonstrated that results of the present singular ES-FEM in terms of strain energy, displacement and J-integral are much more accurate than the finite element method using the same mesh. © 2009 Elsevier Ltd.||Source Title:||Engineering Fracture Mechanics||URI:||http://scholarbank.nus.edu.sg/handle/10635/51307||ISSN:||00137944||DOI:||10.1016/j.engfracmech.2009.11.004|
|Appears in Collections:||Staff Publications|
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