Results 31 to 40 of about 89,125 (119)

Design and Manufacture of Similar Model of Folding Wings and Study on Dynamic Characteristics

open access: yesMachines, 2022
The research on full-size folding wings is limited by many factors, and the similar model has an irreplaceable role in its development and manufacturing process.
Xinqiang Lu   +3 more
doaj   +1 more source

Numerical Analysis of Open Hole Specimen Glass Fiber Reinforced Polymer

open access: yesNonlinear Engineering, 2014
Finite element model is built to predict specimensize effect based on nominal strength. The progressive damage model is described completely and compared with experimental results of diferent scaling geometry.
Abdellah Mohammed Y., Hassan Mohamed K.
doaj   +1 more source

B-Lines Lung Ultrasonography Simulation Using Finite Element Method

open access: yesDiagnostics, 2022
Introduction: Lung Ultrasonography (LUS) is a fast technique for the diagnosis of patients with respiratory syndromes. B-lines are seen in response to signal reverberations and amplifications into sites with peripheral lung fluid concentration or septal ...
Fellipe Allevato Martins da Silva   +2 more
doaj   +1 more source

Construction and finite element simulation of a square laser loading model that can replace circular spot superposition in laser peening forming

open access: yesJournal of Advanced Mechanical Design, Systems, and Manufacturing
In order to explore an efficient, accurate, and convenient finite element simulation method for laser peening forming, a square laser loading model was constructed by studying the loading feature unit of the circular spot superposition model, which can ...
Xu PEI, Boyong SU, Liang WANG
doaj   +1 more source

Three-Dimensional Explicit Finite Element Simulation of Piled-Raft Foundation

open access: yesJournal of Engineering, 2020
This paper aims to validate a proposed finite element model to be adopted in predicting displacement and soil stresses of a piled-raft foundation. The proposed model adopts the solid element to simulate the raft, piles, and soil mass.
Huda Hussien Ahmed, Salah R. Al-Zaidee
doaj   +1 more source

Electric heating fabrics based on silver yarns and simulation of temperature field

open access: yesCailiao gongcheng, 2019
ANSYS finite element simulation software was used to simulate the heating process of silver coated yarns in fabric. The thermal filed distribution of heating fabric in different condition was analyzed by adjusting the distance between the silver coated ...
LI Ya-fang, LIU Hao, ZHAO Yi-xia
doaj   +1 more source

Structural Modeling and Analysis on Dynamic Characteristics of Antenna Pedestal in Airborne SAR [PDF]

open access: yesLeida xuebao, 2012
Finite element modeling and structural dynamic characteristics of antenna pedestal in airborne SAR were studied in this paper. The Finite element model of antenna pedestal in airborne SAR was set up on the basis of structural dynamic theory, then, the ...
He Li-ping, Li Jun-xing, Liu Ming
doaj   +1 more source

3D Finite Element Simulation of Graphene Nano-Electro-Mechanical Switches

open access: yesMicromachines, 2016
In this paper, we report the finite element method (FEM) simulation of double-clamped graphene nanoelectromechanical (NEM) switches. Pull-in and pull-out characteristics are analyzed for graphene NEM switches with different dimensions and these are ...
Jothiramalingam Kulothungan   +2 more
doaj   +1 more source

Experimental Investigation and Applicability of Multi-Stage Simulations in the Case of a Thick-Walled Injection-Moulded Composite

open access: yesApplied Sciences, 2022
The structure and mechanical properties of an injection-moulded short glass fibre (GF)-reinforced polymer composite were analysed through simulation methods.
Gábor Dogossy   +2 more
doaj   +1 more source

Prediction method for fracture behavior of casting materials under uniaxial tension considering effect of pores

open access: yesCailiao gongcheng
Defects are the main factors affecting fracture behavior of casting materials. The fracture behavior of high pressure casting aluminium alloy is predicted using Gurson-Tvergaard-Needleman (GTN) damage model combined with finite element simulation ...
QIU Zhongyuan   +5 more
doaj   +1 more source

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