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Analysis of the effect of stabilizer configuration on reamer vibration suppression. [PDF]
Sci ProgYu F, Kuang Y, Li B.
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Investigating the vibration characteristics of vector thrusters under rolling condition. [PDF]
Sci RepLi J, Dong L, Liu J, Zhao X.
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Nonlinear rocking stiffness of foundations
Soil Dynamics and Earthquake Engineering, 2013Abstract The response of surface foundations to large overturning moments is studied under undrained conditions. Rigid circular, strip, and rectangular footings of various aspect ratios are considered, with the soil modeled as an inelastic homogeneous deposit, characterized by an elastic (small-strain) shear modulus G o , an undrained shear ...
Gazetas, G. +3 more
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Nonlinear Dynamics of Stiff Polymers
Physical Review Letters, 1995A formalism is presented for the nonlinear dynamics of inextensible stiff polymers within the model of local viscous dissipation. By casting the internal elastic forces in an intrinsic representation, enforcing the constraint of local inextensibility through a Lagrange multiplier function, and utilizing techniques from the differential geometry of ...
, Goldstein, , Langer
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A nonlinear stiffness and nonlinear inertial vibration isolator
Journal of Vibration and Control, 2020A nonlinear stiffness and nonlinear inertial vibration isolator is proposed in this article. It consists of an inerter, a damper, and spring elements. The nonlinear stiffness characteristic is achieved through a negative stiffness structure based on the diamond-shaped structure that generates nonlinear displacement terms.
Yong Wang +4 more
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Stiffness nonlinearity of three sands.
Journal of Geotechnical and Geoenvironmental Engineering, 2000This paper presents the results of 254 drained triaxial compression tests. The results are analyzed with the aim of obtaining a phenomenological description of secant Young's modulus variation according to different test conditions. Using empirical fitting equations, the influences of different factors such as axial strain, vertical consolidation ...
JAMIOLKOWSKI, Michele +2 more
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Nonlinear stiffness characteristics of the annular ligament
The Journal of the Acoustical Society of America, 2014The annular ligament provides a compliant connection of the stapes to the oval window. To estimate the stiffness characteristics of the annular ligament, human temporal bone measurements were conducted. A force was applied sequentially at several points on the stapes footplate leading to different patterns of displacement with different amounts of ...
M, Lauxmann, A, Eiber, F, Haag, S, Ihrle
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Tuning Stiffness Nonlinearity: Theory and Applications
Volume 10: 44th Mechanisms and Robotics Conference (MR), 2020Abstract Perfect elasticity is not achievable in real-life situation, so spring stiffness is not perfectly constant. In this paper, we study the effect of modifying non-linear stiffness terms while keeping the nominal stiffness constant. We introduce three methods to design and tune linear and nonlinear elastic behavior in the context of
Simon Henein, Ilan Vardi, Mohamed Zanaty
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Wood Floors with Nonlinear Nail Stiffness
Journal of Structural Engineering, 1983The results of an analysis of wood joist floors, including the effects of the nonlinear force-slip relationship for nails, are presented. The finite-element analysis procedure includes an iterative scheme for solving the resulting nonlinear equations, thereby satisfying equilibrium and compatibility.
Dan L. Wheat +2 more
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Nonlinear Stiffness and Nonlinear Damping in Atomically Thin MoS2 Nanomechanical Resonators
Nano Letters, 2022We report on experimental measurements and quantitative analyses of nonlinear dynamic characteristics in ultimately thin nanomechanical resonators built upon single-layer, bilayer, and trilayer (1L, 2L, and 3L) molybdenum disulfide (MoS2) vibrating drumhead membranes.
Tahmid Kaisar +4 more
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