1–20 of 144 hits
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    Vibration and sound radiation of sandwich beams with honeycomb truss core

    Ruzzene, M. | Tema Archive | 2003
    comparison is carried out in terms of vibration and sound radiation in an unbounded acoustic half-plane. Hexagonal and re-entrant honeycomb ...
    Keywords: mechanische Schwingung , elastische Schwingung

    Sound and vibration control tests of Composite panel using piezoelectric sensors and actuators

    Takahashi, K. / Bansaku, K. / Sanda, T. et al. | Tema Archive | 2001
    We have carried out tests for the sound and vibration control of the CFRP square panel. 500 Hz bandwidth noise through two speakers is ...

    Influence of damping characteristics changes on vehicles vibration research

    Burdzik, Rafal / Konieczny, Lukasz / Lazarz, Boguslaw | Tema Archive | 2012
    vehicle tested on a vibration exciter can be regarded as a vibrating, non-linear and non-stationary mechanical system. To research a system of ...
    Keywords: Schwingung

    Sound field adjustment using sound absorber in the ISO type sound insulation test facilities

    Kim, Myoung-Soo | Tema Archive | 2010
    this frequency range are designed to adjust the reverberation time. The first sound absorption mechanism is using a vibration of plate and film ...

    Effect of seat vibration and visual scenery to the perception of sound quality of car interior noise

    Hashimoto, T. / Hatano, S. | Tema Archive | 2001
    condition as if a test car is running on a real street is desirable for reproducibility. Here the effect of seat vibration and visual scenery to the ...
    Keywords: Vibration

    Challenges and applications for active noise and vibration control in aerospace

    Maier, Rudolf | Tema Archive | 2009
    space applications and related work on launcher payload vibration isolation and control of micro-vibrations in satellites are discussed shortly. ...

    Optimal active vibration control on a car for cancellation of road noise disturbance

    Belgacem, Walid / Masson, Patrice / Berry, Alain | Tema Archive | 2009
    is used to simulate the configuration of the active control system, using the primary FRFs and secondary FRFs, also measured on the car using ...

    Active control of vibration in aircraft and inside the ear

    Elliott, Stephen J. | Tema Archive | 2009
    The current state of the art for active sound and vibration control in aircraft is first reviewed, particularly the use of arrays of ...

    Tire sound quality evaluation tool using sound synthesis with physical modeling

    Ishihama, Masao / Kakumoto, Yu / Shimizu, Akane et al. | Tema Archive | 2008
    only the tire sound that radiates through its structural vibration caused by road surface texture excitation. The tool can be used on personal ...

    Vehicle interior sound design procedure

    Wolf, Klaus / Alt, Norbert / Eisele, Georg | Tema Archive | 2004
    their own special brand vehicle sound depending on vehicle class. This paper introduces a new sound design procedure for developing a brand ...
    Publisher: International Institute of Acoustics and Vibration (IIAV) , Auburn

    On the wave propagation of ground-borne noise and vibration generated by underground trains

    Zhu, D. / Ödegaard, J. | Tema Archive | 2000
    Ground-borne noise and vibration are very important issues in relation to constructions of underground railway tunnels in cities. Unlike ...
    Keywords: Schwingung

    Adaptive rotor blade for vibration reduction

    Büter, A. / Ehlert, U.C. / Matthias, M. et al. | Tema Archive | 2000
    Applying adaptronics to helicopters has a high potential to significantly suppress noise, reduce vibration and increase the overall ...

    Adaptive vibration damping of fin-structures

    Stüwing, M. / Büter, A. / Sachau, D. et al. | Tema Archive | 2000
    One major problem of modem military aircraft is the buffet loading on the fin structures. Flying the aircraft at high angles of attack ...

    The influence of vehicle and track condition on the generation of railway ground borne vibration

    Block, J.R. / Temple, B.P. | Tema Archive | 2000
    following areas: 1. The cause and solution of vibration problems on existing infrastructure. 2. The variability of empirical data gathered for ...
    Keywords: Schwingung

    Development of elastomer based vibration isolation device for low-amplitude vibrations

    Kandala, Shanti Swaroop / Lee, Dae-Oen / Han, Jae-Hung | Tema Archive | 2012
    wheel assembly and reaching the sensitive optical payloads. An elastomer/viscoelastic material (VEM) based passive vibration isolator has been ...

    Car-engine vibration isolation by feedback control and performance comparison based on analytical investigations

    Seba, Bouzid / Nedeljkovic, Nikola / Lohmann, Boris | Tema Archive | 2003
    the motion of the engine and the chassis in the plane are investigated through analytical models, and the two configurations are compared by ...

    Numerical modelling of rubber vibration isolators

    Beijers, Clemens A.J. / De Boer, Andre | Tema Archive | 2003
    mount. After that, a linear harmonic analysis is superimposed on the pre-deformed isolator. The structure-borne sound is transmitted by the ...

    Human comfort and motion under simulated vibration exposure of mobile machinery

    Leino, Simo-Pekka / Marjanen, Ykä / Launis, Sirpa et al. | Tema Archive | 2006
    excitations were based on field measurements and included such activities as cultivation, moving in forest and on gravel road. Vibration responses of ...
    Keywords: Schwingung

    Determination of pipeline conditions by noise and vibration diagnostics

    Grinis, Leonid / Krakovskii, Yuri M. / Tzadka, Uri | Tema Archive | 2003
    This work proposes an analytical method of diagnostics for a condition of an internal pipeline surface, based on prediction models. The ...

    Optimal actuator placement for reduction of helicopter vibration

    Hugin, C.T. / Hatch, C. | Tema Archive | 2004
    reduction that can be achieved by an active vibration control system depends on the control algorithm, the number of actuators, their sizes and ...
    Publisher: International Institute of Acoustics and Vibration (IIAV) , Auburn