[PDF] Top 20 Nonlinear Vibrations of Thin Rectangular Plates: A Numerical Investigation with Application to Wave Turbulence and Sound Synthesis

... capable of calculating that many modes is essential. Ideally, a modal method with application to sound synthesis should avoid all ad-hoc assumptions and reproduce ... Voir le document complet

... Acoustics and Audio Group, University of Edinburgh, James Clerk Maxwell Building, Edinburgh, UK, ...Summary. Nonlinear (large amplitude) vibrations of thin elastic plates ... Voir le document complet

... presents a modal, time-domain scheme for the nonlinear vibrations of perfect and imperfect ...account a large number of degrees-of-freedom and is ...targeted ... Voir le document complet

... geometric nonlinear vibrations of plates are ...displacement) and F (x, t) (Airy stress function). The key feature is the use of a modal approach for time-integrating the ... Voir le document complet

... FIG. 9. Velocity spectrograms, cymbal hit at r=4 cm from the centre. First row : soft strike, p m =20 N, second row, hard strike, p m =90 N. First column (a-b) : variable thickness only, h e = 0.4 mm. Second ... Voir le document complet

... tempting to apply theoretical frameworks that have been successful in explaining various aspects of turbulence in the nonlinear Schrödinger ...is wave turbulence: the study ... Voir le document complet

... amplitude of filled cylinders is roughly half of the empty ...opposition with the VIV models predicting maximum response amplitudes inversely propor- tional to the Scruton number : y max ∼ ... Voir le document complet

... Shape of the distributed obstacle. 5. CONCLUSION A numerical method combining a modal approach and an energy- conserving scheme for the case of the string in contact with ... Voir le document complet

... anymore and is ...y of the as ade evolves linearly with time for a onstant xed ...tra of Fig. 1(a) taken before t < 1 as fun tions of the non-dimensional frequen y ω/ω ... Voir le document complet

... functions of the rescaled frequency ω/ω c . They all converge in a same function that is steeper than the Kolmogorov-Zakharov spectrum (displayed in green in ...theoretical and experimental ...only ... Voir le document complet

... Grid and terrace geometry, wind components (left) and in situ instrumentation: ac- clerometers (1), anemometer (2), data logger (3) (right) The modal properties of the grid are identified ...made ... Voir le document complet

... Abstract Thin plates vibrating at large amplitudes may exhibit a strongly nonlinear regime that has to be studied within the framework of wave ...importance of the ... Voir le document complet

... present a speculative discussion of the cases when the four-wave interaction considered in this paper may become ineffective and subdominant to a higher-order process, the ... Voir le document complet

... 47.35.-i,05.45.-a,47.52.+j Wave turbulence concerns the study of the statistical and dynamical properties of a set of numerous nonlin- ear interacting ...up ... Voir le document complet

... presents a quadrupolar ...snapshot of the difference between the elec- trostatic potential and the pressure, which drives the advection of the flux in Ohm’s law ...breaking and ... Voir le document complet

... provisions of the Copyright Act, by Canadian laws, policies, regulations and international ...serve to identify the information source and, in specific instances, to prohibit ... Voir le document complet

... introduction of the entropy perturbation, a mean unperturbed flow needs to be ...domain of the EWG includes a tranquillisation chamber with a disk after the inlet ... Voir le document complet

... spots and vorticity through the turbine blades generates acoustic ...propagation of acoustic waves was first studied by Tsien [ 1 ] in a rocket engine within the combustion instability ...Marble ... Voir le document complet

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... asymmetry, a strong imbalance between the energies of two back–to–back ...attributed to the effect of the interactions of one of the two jets with the dense QCD ... Voir le document complet