Results 21 to 30 of about 62,665 (262)
Free Vibrations of a New Three-Phase Composite Cylindrical Shell
Aerospace, 2023 The novel concept of a functionally graded three-phase composite structure is derived from the urgent need to improve the mechanical properties of traditional two-phase composite structures in aviation.
Tao Liu +3 more
doaj +1 more source
Initial Parameter Analysis about Resonant Orbits in Earth-Moon System
Advances in Astronomy, 2019 The initial parameters about resonant orbits in the Earth-Moon system were investigated in this study. Resonant orbits with different ratios are obtained in the two-body problem and planar circular restricted three-body problem (i.e., PCRTBP).
Li-Bo Liu +2 more
doaj +1 more source
Graphene-Based Systems for Enhanced Energy Storage
E3S Web of Conferences, 2017 Extensive global research efforts have focused on the exploitation of graphene for enhanced energy storage. Novel graphene-based composite material electrodes have been developed, in many cases with reports of outstanding performance.
Amplianitis Aris +8 more
doaj +1 more source
Molecular Dynamic Simulation of Defective Graphene Nanoribbons for Tension and Vibration
Nanomaterials, 2022 As deformation and defects are inevitable during the manufacture and service of graphene resonators, comprehensive molecular dynamic (MD) simulations are performed to investigate the vibrational properties of the defective single-layer graphene sheets ...
Jia-Jia Mao +3 more
doaj +1 more source
A Gimballed Control Moment Gyroscope Cluster Design for Spacecraft Attitude Control
Aerospace, 2021 This paper addresses the problem of singularity avoidance in a cluster of four Single-Gimbal Control Moment Gyroscopes (SGCMGs) in a pyramid configuration when used for the attitude control of a satellite by introducing a new gimballed control moment ...
Charalampos Papakonstantinou +2 more
doaj +1 more source
The Negative Poisson’s Ratio Ship Base Design and Vibration Isolation Performance Analysis
Applied Sciences, 2021 This paper mainly studies the vibration isolation of negative Poisson’s ratio structure in the honeycomb base of ships. Based on the structure of the negative Poisson’s ratio structure, different laying methods and different cell structure are used to ...
Kun Pan +3 more
doaj +1 more source
Nonlinear Dynamics of Imperfect FGM Conical Panel
Shock and Vibration, 2018 Structures composed of functionally graded materials (FGM) can satisfy many rigorous requisitions in engineering application. In this paper, the nonlinear dynamics of a simply supported FGM conical panel with different forms of initial imperfections are ...
Yan Niu +4 more
doaj +1 more source
Applied MechanicsComposite curing through infrared radiation (IR) has become a popular autoclave alternative due to lower energy costs and short curing cycles. As such, understanding and measuring the effect of all parameters involved in the process can aid in selecting ...
Petros Gkertzos +3 more
doaj +1 more source
Applied Sciences, 2019 In this study, two discretization numerical methods, modal discretization and spatial discretization methods, were proposed and compared when applied to the gyroscopic structures.
Xiao-Dong Yang +3 more
doaj +1 more source
Theory of Nonlinear Vibrations for Antisymmetric Cross-Ply Bistable Laminated Shells
Shock and Vibration, 2021 In this paper, on the basis of taking the von Karman nonlinear factors into consideration, the constitutive equation of the antisymmetric cross-ply laminated composite was used to calculate the internal force and internal moment of the bistable structure,
B. Y. Zhang, W. Zhang
doaj +1 more source