Results 81 to 90 of about 15,386 (232)

Three-Dimensional CST Parameterization Method Applied in Aircraft Aeroelastic Analysis

open access: yesInternational Journal of Aerospace Engineering, 2017
Class/shape transformation (CST) method has advantages of adjustable design variables and powerful parametric geometric shape design ability and has been widely used in aerodynamic design and optimization processes.
Hua Su, Chunlin Gong, Liangxian Gu
doaj   +1 more source

Lightweight Design of Aircraft Structures Based on Elastic Boundary Sub-Model Optimization Algorithm

open access: yesAerospace
The lightweight design of modern aircraft necessitates efficient optimization of complex thin-walled structures to improve performance and minimize mass.
Zebei Mao   +5 more
doaj   +1 more source

Research on trajectory planning of non-developable surface for automated tape placement processing of composite

open access: yesScience and Engineering of Composite Materials, 2017
Tape placement manufacturing process, as one of the automated forming technologies for composite material, not only substantially improves the productivity of composite component and reduces the cost of production significantly but also raises the ...
Liu Lin, Xiao Jun, Li Yong
doaj   +1 more source

Static and fatigue experimental tests on a full scale fuselage panel and FEM analyses

open access: yesFracture and Structural Integrity, 2015
A fatigue test on a full scale panel with complex loading condition and geometry configuration has been carried out using a triaxial test machine. The demonstrator is made up of two skins which are linked by a transversal butt-joint, parallel to the ...
Raffaele Sepe   +2 more
doaj  

Finite Element Analysis of Post-Buckling Failure in Stiffened Panels: A Comparative Approach

open access: yesMachines
Stiffened panels are extensively used in aerospace applications, particularly in wing and fuselage sections, due to their favorable strength-to-weight ratio under in-plane loading conditions.
Jakiya Sultana, Gyula Varga
doaj   +1 more source

Acoustic transmission through a fuselage sidewall [PDF]

open access: yes
A definition is given of an idealized fuselage sidewall structure and a simplified analytical model for determining acoustical transmission from the exterior to the interior of a fuselage was constructed.
Scharton, T. D., Wilby, J. F.
core   +1 more source

Fatigue Life Extension of AA2024 Specimens and Integral Structures by Laser Shock Peening

open access: yesMATEC Web of Conferences, 2018
The goal of the present study is to understand the effects of laser shock peening (LSP)-induced residual stresses on the fatigue crack propagation (FCP) behaviour of the commonly used aircraft aluminium alloy AA2024 in T3 heat treatment condition.
Kashaev Nikolai   +9 more
doaj   +1 more source

Three-Dimensional Characterization of Residual Stress in Aircraft Riveted Panel Structures

open access: yesAerospace
The residual stress field induced by interference-fit riveting in aircraft panel structures significantly affects the fatigue performance around the rivet holes.
Yonggang Kang   +4 more
doaj   +1 more source

Feasibility investigation of a smart thermoacoustic configuration for general aviation aircrafts

open access: yesMATEC Web of Conferences, 2018
One of the most disturbing noise for passengers is related to the engine fan. This noise is mainly tonal and in the low-frequency range. Reducing its impact for the comfort of passengers is an important and challenging issue in aeronautics.
Viscardi Massimo   +4 more
doaj   +1 more source

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