945 resultados para Van der Waals, Forças de


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Prices in MS.

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"Of this limited letterpress edition seven hundred and fifty copies have been printed. Type distributed after printing."

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Includes bibliographical references.

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Translation of two memoirs: Anatomisch physiologisch onderzoek over het fijnere zamenstel en de werking van het ruggemerg, published 1854, and Over het fijnere zamenstel en de werking van het verlangde ruggemerg en over de naaste oorzaak van epilepsie en hare rationele behandeling, published 1858.

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The global and local synchronisation of a square lattice composed of alternating Duffing resonators and van der Pol oscillators coupled through displacement is studied. The lattice acts as a sensing device in which the input signal is characterised by an external driving force that is injected into the system through a subset of the Duffing resonators. The parameters of the system are taken from MEMS devices. The effects of the system parameters, the lattice architecture and size are discussed.

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We explore the dynamics of a periodically driven Duffing resonator coupled elastically to a van der Pol oscillator in the case of 1?:?1 internal resonance in the cases of weak and strong coupling. Whilst strong coupling leads to dominating synchronization, the weak coupling case leads to a multitude of complex behaviours. A two-time scales method is used to obtain the frequency-amplitude modulation. The internal resonance leads to an antiresonance response of the Duffing resonator and a stagnant response (a small shoulder in the curve) of the van der Pol oscillator. The stability of the dynamic motions is also analyzed. The coupled system shows a hysteretic response pattern and symmetry-breaking facets. Chaotic behaviour of the coupled system is also observed and the dependence of the system dynamics on the parameters are also studied using bifurcation analysis.