Results 1 to 10 of about 185,504 (288)
Linear-Nonlinear Stiffness Responses of Carbon Fiber-Reinforced Polymer Composite Materials and Structures: A Numerical Study. [PDF]
Polymers (Basel), 2021 The stiffness response or load-deformation/displacement behavior is the most important mechanical behavior that frequently being utilized for validation of the mathematical-physical models representing the mechanical behavior of solid objects in ...
R Koloor SS +6 more
europepmc +3 more sources
IEEE Access, 2021 Nonlinear superharmonic vibratory stress relief (VSR) is an effective way to solve the resonance problem of a high stiffness workpiece. However, strong nonlinear factors are present, and superharmonic resonance is relatively complicated when the entire ...
Lifang Zhao +3 more
doaj +1 more source
Lubricants, 2023 To study the variation rules of nonlinear stiffness of double-row angular contact ball bearings (DR-ACBB), this paper proposed a general mathematic model for DR-ACBB under three different configurations based on the improved quasi-static model of ball ...
Bin Fang, Jinhua Zhang, Jun Hong, Ke Yan
doaj +1 more source
Limit cycle oscillation prediction based on Finite Element-Modal approach [PDF]
Archive of Mechanical Engineering, 2018 The central theme of this work was to analyze high aspect ratio structure having structural nonlinearity in low subsonic flow and to model nonlinear stiffness by finite element-modal approach.
Kamran Ahmad, Shigang Wu, Hammad Rahman
doaj +1 more source
Quasi-Zero Stiffness Isolator Suitable for Low-Frequency Vibration
Machines, 2023 This paper proposes a quasi-zero stiffness (QZS) isolator based on an inclined trapezoidal beam to explore its advantages in low-frequency passive vibration isolation. The nonlinear stiffness of the inclined trapezoidal beam due to the buckling effect is
Guangdong Sui +5 more
doaj +1 more source
A Nonlinear Energy Sink Design to Attenuate the Torsional Oscillations of Lightly Loaded Gear Pairs
Applied Sciences, 2022 Nonlinear energy sinks (NES) have recently attracted significant interest for the suppression of unwanted vibrations in a variety of mechanical systems.
Brett Friskney +4 more
doaj +1 more source
Aerospace, 2022 Many solar panels for spacecrafts are deployed by Tape Spring Hinges (TSHs) which have changeable stiffness. The stiffness of TSH is small when panels are folded, and it becomes large quickly in its deployed status. Since the solar panel is a thin sheet,
Wenyan Gu +5 more
doaj +1 more source
Enhancing Vibration Isolation Performance by Exploiting Novel Spring-Bar Mechanism
Applied Sciences, 2021 This study investigates the use of a spring-bar mechanism (SBM) in a vibration suppression system to improve its performance. The SBM, comprising bars and springs, is configured with a conventional linear spring-damper isolator unit. The dynamic response,
Baiyang Shi, Jian Yang, Tianyun Li
doaj +1 more source
Cell contraction induces long-ranged stress stiffening in the extracellular matrix [PDF]
, 2017 Animal cells in tissues are supported by biopolymer matrices, which typically exhibit highly nonlinear mechanical properties. While the linear elasticity of the matrix can significantly impact cell mechanics and functionality, it remains largely unknown ...
Broedersz, Chase P. +7 more
core +2 more sources
Nonlinear Dynamic Analysis of Rotor-Bearing System with Cubic Nonlinearity
Shock and Vibration, 2021 Nonlinear dynamic characteristics of a rotor-bearing system with cubic nonlinearity are investigated. The comprehensive effects of the unbalanced excitation, the internal clearance, the nonlinear Hertzian contact force, the varying compliance vibration ...
Guofang Nan +3 more
doaj +1 more source