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Advanced Materials Technologies, EarlyView.Hierarchical multi‐material TPMS lattices are engineered as flexible tactile sensors by combining soft and stiff elastomeric layers with a conformal conductive coating. The bilayer architecture delivers sensitivity at low pressures while maintaining a broad detectable range under large loads, enabling reliable pressure and vibration monitoring for ...
Reza Noroozi +3 more
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Numerical study of free oscillations of a beam with oscillators
Journal of Applied Mechanics and Technical Physics, 2006The author considers free oscillations of a free-end beam of variable cross-section and mass with spring-suspended point masses (oscillators). It is found that parametric resonances are possible in this oscillating system. The effectiveness of the proposed theory is confirmed by numerical calculations.
S D Algazin, Algazin S D
exaly +3 more sources
Computation of free oscillations of the earth
Journal of Computational Physics, 1984Abstract Although free oscillations of the Earth may be computed by many different methods, numerous practical considerations have led us to use a Rayleigh-Ritz formulation with piecewise cubic Hermite spline basis functions. By treating the resulting banded matrix equation as a generalized algebraic eigenvalue problem, we are able to achieve great ...
Buland, Ray, Gilbert, Freeman
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Earth's Background Free Oscillations
Science, 1998Earth's free oscillations were considered to be transient phenomena occurring after large earthquakes. An analysis of records of the IDA (International Deployment of Accelerometers) gravimeter network shows that Earth is freely oscillating at an observable level even in seismically inactive periods.
, Suda, , Nawa, , Fukao
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On oscillation free controller changes
Systems & Control Letters, 2013Abstract Control systems are typically subject to strong, and often conflicting, constraints. One of the techniques that have been extensively investigated consists in using several controllers, designed to have different resource needs, and consequently, to exhibit different performance levels.
Milton Armando Cunguara +2 more
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Journal of Geophysical Research, 1961
Theoretical studies are made on the free oscillation of a homogeneous self-gravitating elastic sphere. Numerical results for torsional and spheroidal oscillations are shown in Tables 1 and 3, respectively. In these tables, are shown also the free periods of a model moon, for which density ρ = 3.33 g/cm and shear wave velocity V8 = 4.7 km/sec.
H. Takeuchi, M. Saito, N. Kobayashi
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Theoretical studies are made on the free oscillation of a homogeneous self-gravitating elastic sphere. Numerical results for torsional and spheroidal oscillations are shown in Tables 1 and 3, respectively. In these tables, are shown also the free periods of a model moon, for which density ρ = 3.33 g/cm and shear wave velocity V8 = 4.7 km/sec.
H. Takeuchi, M. Saito, N. Kobayashi
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The free oscillations of Jupiter
Planetary and Space Science, 1999Abstract The spectrum of free oscillations of Jupiter is calculated for a set of models, each of them fitting all available observational data. Diagnostic capabilities of the spectrum are studied. They could be used, as soon as relevant observations are performed, for both the identification of the observed modes and the improvement of the models ...
T.V. Gudkova, V.N. Zharkov
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EPL (Europhysics Letters), 2017
Oscillators have widespread applications in micro- and nanomechanical devices, in lasers of various types, in chemical and biochemical models, among others. However, applications are normally marred by the presence of chaos, requiring expensive control techniques to bypass it.
Freire, J., Gallas, M., Gallas, J.
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Oscillators have widespread applications in micro- and nanomechanical devices, in lasers of various types, in chemical and biochemical models, among others. However, applications are normally marred by the presence of chaos, requiring expensive control techniques to bypass it.
Freire, J., Gallas, M., Gallas, J.
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Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 1989
Abstract The status of the free neutron oscillation search is described and the new experiment at the ILL reactor in Grenoble aiming at investigating the neutron-antineutron oscillation time up to 10 8 s is discussed.
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Abstract The status of the free neutron oscillation search is described and the new experiment at the ILL reactor in Grenoble aiming at investigating the neutron-antineutron oscillation time up to 10 8 s is discussed.
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On the free Oscillations of Spheroids
Physical Review, 1920Oscillations of liquid drops, assuming the potential energy for any momentary form to be that due to capillarity only. Rayleigh's method of energy is applied so as to yield a formula for the frequency of oscillation for cases where the momentary surface differs from that of equilibrium by a spherical harmonic deviation of arbitrary order and rank.
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