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Ruoxun Fan, Jie Liu and Zhengbin Jia
Three numerical methods, including element instantaneous failure, continuum damage mechanics, and extended finite element methods, are mainly used to simulate the fracture in cortical bone structure. Although many simulations focus on the cortical bone f...
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Nana Duan, Shaocong Lu, Xinyu Ma, Weijie Xu, Fuquan Jin and Shuhong Wang
In this paper, the extended finite element method (XFEM) is first applied to account for the weak discontinuity of the axisymmetric electrostatic field. Firstly, the interface between two materials in an element is described by the level set method. The ...
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S. Montassir, K. Yakoubi, H. Moustabchir, A. Elkhalfi, Dipen Kumar Rajak and Catalin I. Pruncu
For a long time, cracked structures have triggered various researchers to develop a structural integrity approach and design models to address the fracture problems. In the present study, a pipeline with an axial semi-elliptical surface defect was examin...
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Hongbing Chen, Bin Xu, Jiang Wang, Xin Nie and Yi-Lung Mo
The extended finite element method (XFEM) is efficient in simulating crack initiation and its evolution process for reinforced-concrete (RC) structures due to its ability to solve fracture problems. Moreover, the multiscale numerical simulation helps und...
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Huating Chen, Yifan Zhuo, Yubo Jiao and Weigang Bao
The fatigue safety of cable-girder anchorage structures in cable-stayed bridges under long-term service has attracted much attention. For bridges located in seasonally cold regions, the effect of low-temperature environments should be considered when eva...
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Bingyu Han, Dajun Yuan, Teng Wang and Zhongxin Wang
The Jinan Jiluo Road Crossing the Yellow River Tunnel North Extension Project will intersect the Queshan reservoir, which currently supplies 60% of the domestic water in Jinan City. During the excavation process of the large-diameter slurry type shield u...
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Qingdong Zeng and Jun Yao
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Vladimir Dmitrievskii, Vadim Kazakbaev and Vladimir Prakht
Due to the high cost and the predicted shortage of rare earth elements in the near future, the task of developing energy-efficient electric machines without rare earth magnets is of great importance. This article presents a comparative analysis of optimi...
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Albert G. Prinn
Accurate predictions of the wave-dominated region of an acoustic field in a room can be generated using wave-based computational methods. One such method is the finite element method (FEM). With presently available computing power and advanced numerical ...
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Weixin Zhou, Yao Zhao, Hua Yuan, Jingxi Liu and Xiaoqiang Wang
The pressure distribution of a misaligned elastomeric journal bearing is crucial for analyzing the uneven excessive wearing of the propulsion shaft bearing. However, analysis of the misaligned bearing is usually mainly based on the finite element method ...
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Farid Mehri Sofiani, Behzad V. Farahani and Jorge Belinha
This work investigates fracture characteristics of a marble semi-circular bend (SCB) specimen with a pre-defined crack under a compressive loading condition. It aims at evaluating how the fracture toughness can be affected by the crack and span length va...
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Simone Palladino, Luca Esposito, Paolo Ferla, Elena Totaro, Renato Zona and Vincenzo Minutolo
The presented method allows applying the limit analysis of structures and reformulates the method in terms of displacements and permanent strain. In this perspective, it results that the method is stated directly considering the strain rather than the st...
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Szandra Éva Mikó
Pág. 50 - 57
Friction is present in most mechanical systems. The aim of this paper is to analyse friction between a pneumatic cylinder and its piston seal using the finite element method (FEM). The high-fidelity numerical model used real geometry and material charact...
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Sebastiano Fichera, Gregorio Mariggiò, Mauro Corrado and Giulio Ventura
The numerical integration of discontinuous functions is an abiding problem addressed by various authors. This subject gained even more attention in the context of the extended finite element method (XFEM), in which the exact integration of discontinuous ...
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Daqian Zhang and Yueyang Chen
To study the influence of random vibration on the fatigue life of airborne equipment, an aircraft electrical control box was selected as the research object. First, finite element software was used to model the dynamics of the airborne electrical control...
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José D. Hoyos, Camilo Echavarría, Juan P. Alvarado, Gustavo Suárez, Juliana A. Niño and Jorge I. García
An aero-structural algorithm to optimize a flying wing in cruise conditions for preliminary design is developed using two-way interaction between the structure and aerodynamics. A particle swarm routine is employed to solve the multi-objective optimizati...
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Zhongsheng Chen, Yeping Xiong and Yongxiang Wei
Piezoelectric metamaterial plate (PMP) is being investigated for structural vibration energy harvesting (SVEH), in which an interface circuit is often used. Thus, it is a challenge to perform bandgap optimization of such an elastic?electro?mechanical cou...
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Sheikh Ali Ahmed, Stergios Adamopoulos, Junqiu Li and Janka Kovacikova
Change of relative humidity (RH) in surrounding environment can greatly affect the physical and mechanical properties of wood-based panels. Commercially produced acetylated medium density fiberboard (MDF), Medite Tricoya®, was used in this study to predi...
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Mohammed Arab Fatiha, Benoît Augier, François Deniset, Pascal Casari and Jacques André Astolfi
In this work, a collaborative experimental study has been conducted to assess the effect an imposed internal pressure has on the controlling the hydrodynamic performance of a compliant composite hydrofoil. It was expected that the internal pressure toget...
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Ricardo José Carvalho Silva, Antônio Eduardo Bezerra Cabral, Francisco Eudázio Suriano da Silva Júnior, José Leonézio Lopes de Vasconcelos Filho, David Ermerson Farias Eugênio
Pág. e44212
The application of carbon fiber reinforced polymers (CFRP) as method of strengthening for concrete structures is replacing the conventional strengthening through the bonding of steel plates. However, since it is a recent technique, several codes from dif...
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