Effects of pore-crack relative location on crack propagation in porous media using XFEM method

Rezanezhad, Mohammad; Lajevardi, Seyed Ahmad; Karimpouli, Sadegh

doi:10.1016/j.tafmec.2019.102241

Cited by 29 publications

(15 citation statements)

References 34 publications

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“…This is possibly the reason why more pores (cavities) were formed in the specimen with rice husk particles of 1000 µm (see Figure 7c). These pores increased the possibility of crack formation in the resin matrix due to stress concentration, making it more prone to fail under compressive load [41], [42].…”

Section: Mechanical Propertiesmentioning

confidence: 99%

The Effects of Rice Husk Particles Size as A Reinforcement Component on Resin-Based Brake Pad Performance: From Literature Review on the Use of Agricultural Waste as A Reinforcement Material, Chemical Polymerization Reaction of Epoxy Resin, to Experiments

Nandiyanto

Hofifah

Girsang

et al. 2021

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This study aims to investigate the effect of rice husks’ particle size on resin-based brake pad performance (i.e. compressive strength, puncture strength, mass loss, wear rate, friction coefficient, and heat resistance). Bisphenol A-epichlorohydrin and cycloaliphatic amine were mixed to form resin and used as the brake pad's base material. In the experiment, rice husk with a specific particle size (i.e., 250, 500, dan 1000 μm) was added to the resin. Rice husk has received considerable interest due to its lignin, cellulose, and silica content, making it suitable as friction material due to its ceramic-like behavior. The experimental results showed small rice husk particles improved compressive strength, puncture strength, and bulk density. This can be obtained from the analysis of the maximum compressive strength for brake pad supported by particles with sizes of 250, 500, and 1000 μm having values of 0.238; 0.173; and 0.144 MPa, respectively. In contrast, large particles formed coarse surfaces and pores, decreased mass loss rate, and improve friction properties (i.e. wear rate, friction coefficient). The friction coefficient values of brake pad supported by particles with sizes of 250, 500, and 1000 µm were, respectively, 0.2075; 0.2070; and 0.3379. Particle size affected interpacking, interfacial bonding, pores number and size, thermal softening, mechanical properties, and friction properties of the brake pad. Comparison between the prepared resin-based and commercial brake pad was also done, confirming the utilization of agro-waste as a potential alternative for friction material in the brake pad.

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Section: Mechanical Propertiesmentioning

confidence: 99%

The Effects of Rice Husk Particles Size as A Reinforcement Component on Resin-Based Brake Pad Performance: From Literature Review on the Use of Agricultural Waste as A Reinforcement Material, Chemical Polymerization Reaction of Epoxy Resin, to Experiments

Nandiyanto

Hofifah

Girsang

et al. 2021

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“…In this study, the XFEM was successfully applied to analyze fluid-structure interaction by modeling crack propagation under pressurized zones in porous media. Rezanezhad et al [78] also evaluated the XFEM on porous rocks, displaying the influence of pore size, orientation, and distance on crack propagation. Salimzadeh and Khalili [40] simulated fracking by a coupled hydro-poroelastic model, incorporating the injected fracturing fluid and the host fluids.…”

Section: Xfem and Porous Materialsmentioning

confidence: 99%

XFEM for Composites, Biological, and Bioinspired Materials: A Review

Vellwock,

Libonati

2024

Materials

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The eXtended finite element method (XFEM) is a powerful tool for structural mechanics, assisting engineers and designers in understanding how a material architecture responds to stresses and consequently assisting the creation of mechanically improved structures. The XFEM method has unraveled the extraordinary relationships between material topology and fracture behavior in biological and engineered materials, enhancing peculiar fracture toughening mechanisms, such as crack deflection and arrest. Despite its extensive use, a detailed revision of case studies involving XFEM with a focus on the applications rather than the method of numerical modeling is in great need. In this review, XFEM is introduced and briefly compared to other computational fracture models such as the contour integral method, virtual crack closing technique, cohesive zone model, and phase-field model, highlighting the pros and cons of the methods (e.g., numerical convergence, commercial software implementation, pre-set of crack parameters, and calculation speed). The use of XFEM in material design is demonstrated and discussed, focusing on presenting the current research on composites and biological and bioinspired materials, but also briefly introducing its application to other fields. This review concludes with a discussion of the XFEM drawbacks and provides an overview of the future perspectives of this method in applied material science research, such as the merging of XFEM and artificial intelligence techniques.

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“…This criterion allows crack propagation across the elements in a solution-dependent way: crack propagation occurs perpendicularly to the maximum principal stress, and the discontinuity allows the crack to change plane and direction during propagation. Therefore, the crack path growth is not pre-defined along a pre-selected direction [37][38][39]. Finite element analysis in the presence of continuum elements is based on the virtual work statement that considers Cauchy "true" stresses; therefore, the engineering UTS value is converted into the "true" UTS value [39] that is employed as MAXPS, i.e., 756 MPa in our case.…”

Section: Static Xfem Analysismentioning

confidence: 99%

Isolating the Role of Bone Lacunar Morphology on Static and Fatigue Fracture Progression through Numerical Simulations

et al. 2023

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Currently, the onset of bone damage and the interaction of cracks with the surrounding micro-architecture are still black boxes. With the motivation to address this issue, our research targets isolating lacunar morphological and densitometric effects on crack advancement under both static and cyclic loading conditions by implementing static extended finite element models (XFEM) and fatigue analyses. The effect of lacunar pathological alterations on damage initiation and progression is evaluated; the results indicate that high lacunar density considerably reduces the mechanical strength of the specimens, resulting as the most influencing parameter among the studied ones. Lacunar size has a lower effect on mechanical strength, reducing it by 2%. Additionally, specific lacunar alignments play a key role in deviating the crack path, eventually slowing its progression. This could shed some light on evaluating the effects of lacunar alterations on fracture evolution in the presence of pathologies.

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Effects of pore-crack relative location on crack propagation in porous media using XFEM method

Cited by 29 publications

References 34 publications

The Effects of Rice Husk Particles Size as A Reinforcement Component on Resin-Based Brake Pad Performance: From Literature Review on the Use of Agricultural Waste as A Reinforcement Material, Chemical Polymerization Reaction of Epoxy Resin, to Experiments

The Effects of Rice Husk Particles Size as A Reinforcement Component on Resin-Based Brake Pad Performance: From Literature Review on the Use of Agricultural Waste as A Reinforcement Material, Chemical Polymerization Reaction of Epoxy Resin, to Experiments

XFEM for Composites, Biological, and Bioinspired Materials: A Review

Isolating the Role of Bone Lacunar Morphology on Static and Fatigue Fracture Progression through Numerical Simulations

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