A new two-dimensional cracked finite element for fracture mechanics

A new two-dimensional cracked finite element for fracture mechanics

•A new finite element with central crack is proposed.•A procedure for calculating SIF by employing cracked element is proposed.•The obtained results show the robustness of the introduced element and proposed procedure. A novel finite element with a central crack is proposed for fracture applications...

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Bibliographic Details
Published in:Engineering fracture mechanics Vol. 135; pp. 17 - 33
Main Authors: Kamali Yazdi, A., Shooshtari, A.
Format: Journal Article
Language:English
Published: Elsevier Ltd 01-02-2015
Subjects:
Central crack
Finite element method
Flexibility matrix
Fracture mechanics
Mathematical analysis
Mathematical models
Stress intensity factor
Two dimensional
Central crack
Fracture mechanics
Stress intensity factor
Two-dimensional
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Description
Summary:•A new finite element with central crack is proposed.•A procedure for calculating SIF by employing cracked element is proposed.•The obtained results show the robustness of the introduced element and proposed procedure. A novel finite element with a central crack is proposed for fracture applications. The introduced element is applicable in 2D problems. The crack is modeled by an additional flexibility matrix based on fracture mechanics. Among the topics discussed in this paper, the deficiencies of previous works related to cracked elements are modified. Furthermore, a method for calculating stress intensity factor (SIF) by applying cracked elements is suggested. To show the capability of the suggested element and proposed procedure, several numerical samples are performed.
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content type line 23
ISSN:0013-7944
1873-7315
DOI:10.1016/j.engfracmech.2015.01.013