Semiempirical identification of nonlinear dynamics of a two-degree-of-freedom real torsion pendulum with a nonuniform planar stick–slip friction and elastic barriers
Sign Up to like & getrecommendations! Published in 2020 at "Nonlinear Dynamics"
DOI: 10.1007/s11071-020-05684-6
Abstract: The purpose of this study is to identify the nonlinear dynamics of the double torsion pendulum with planar friction and elastic barriers. The original experimental stand consists of a disk-shaped body that rotates freely on… read more here.
Keywords: friction elastic; nonlinear dynamics; torsion pendulum; pendulum ... See more keywords
Constraining the Symmetron Model with the HUST-2020 Torsion Pendulum Experiment.
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DOI: 10.1103/physrevlett.129.141101
Abstract: The search for dynamically screening the coupling between the scalar field and matter in high-density environment is achievable with the symmetron model. The high-accuracy and short-range gravity experiment is proposed to test the symmetron model.… read more here.
Keywords: torsion pendulum; symmetron model; symmetron; experiment ... See more keywords
An asymmetrical double torsion pendulum for studying coupled harmonic motion
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DOI: 10.1119/10.0001613
Abstract: In this study, a simple asymmetrical double torsion pendulum is built and operated to study coupled harmonic motion. The setup, which consists of two circular inertia members suspended horizontally at different locations on a vertical… read more here.
Keywords: asymmetrical double; coupled harmonic; torsion pendulum; harmonic motion ... See more keywords
Sub-femto-Newton sensing torsion pendulum for detection of light force.
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DOI: 10.1364/ol.472130
Abstract: Mechanical oscillators are widely used in many fields of physics, including ultrahigh precision measurements, gravity experiments, and optical mechanical systems. A sub-gram-scale silicon wafer is suspended by a tungsten wire with a diameter of 8 µm,… read more here.
Keywords: torsion pendulum; sub femto; pendulum; detection ... See more keywords