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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Malekan, Mohammad
University of Southern Denmark
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (14/14 displayed)
- 2024Numerical analysis of machinability and surface alterations in cryogenic machining of additively manufactured Ti6Al4V alloycitations
- 2024Micro-macro relationship between microstructure and mechanical behavior of 316L stainless steel fabricated using L-PBF additive manufacturing
- 2024Investigating temperature, stress, and residual stresses in laser powder bed fusion additive manufacturing of Inconel 625citations
- 2024On the mechanical behavior of polymeric lattice structures fabricated by stereolithography 3D printing
- 2024Effects of edge radius and coating thickness on the cutting performance of AlCrN-coated toolcitations
- 2024Effect of friction on critical cutting depth for ductile–brittle transition in material removal mechanism
- 2024On the effect of small laser spot size on the mechanical behaviour of 316L stainless steel fabricated by L-PBF additive manufacturingcitations
- 2024On the effect of small laser spot size on the mechanical behaviour of 316L stainless steel fabricated by L-PBF additive manufacturingcitations
- 2022An Abaqus plug-in to simulate fatigue crack growthcitations
- 2021An Abaqus plug-in to simulate fatigue crack growthcitations
- 2018Analysis of a main fatigue crack interaction with multiple micro-cracks/voids in a compact tension specimen repaired by stop-hole techniquecitations
- 2018Fracture analysis in plane structures with the two-scale G/XFEM methodcitations
- 2018Two-dimensional fracture modeling with the generalized/extended finite element methodcitations
- 2016Finite element simulation of gaseous detonation-driven fracture in thin aluminum tube using cohesive elementcitations
Places of action
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article
Analysis of a main fatigue crack interaction with multiple micro-cracks/voids in a compact tension specimen repaired by stop-hole technique
Abstract
<p>Fatigue is a process in engineering materials in which damage accumulates due to the fluctuating loading. One solution for a component under the fatigue process is to arrest the crack propagation before the final failure using different available retardation methods, such as drilling/stop-hole technique. In addition, structural components may also suffer from the existence of micro-cracks or voids due to their forming process or service lives. These micro-cracks/voids are very critical to study, since they can effectively play an important role in the behavior of the existing main crack in a component. This article aims to investigate the effect of the stop-hole retardation technique and multiple micro-cracks/voids with different characteristic lengths and geometries on the fatigue crack propagation in a compact tension specimen. A modified Forman equation, the so-called NASGRO equation is used to define the transition between crack initiation and crack growth period. Also, the extended finite element method is adapted in the crack propagation phase in order to model crack path in the geometry eliminating the need for remeshing procedure. The whole analyses are conducted in a commercial package through a user-written code that handles all fatigue crack growth analysis. The reference solutions from the literature are used to compare and to validate results obtained from current work.</p>