...Itay Odessa; Oded Rabinovitch; Yeoshua Frostig The geometrical nonlinear dynamic response of sandwich beams is studied using a dynamic high-order nonlinear model. The model is derived using the variational principle of virtual work and uses the Extended High-Order Sandwich Panel Theory approach...

.... sinusoidal wave dynamic response simply supported beam structure sensor configuration There are many applications where the localization of a noise source would provide valuable information regarding the location of an individual, machine, or a potential threat. In an attempt to detect...

... characteristics so that the kinetic energy originating from the vibrating structure is more or less dissipated in the rods. Therefore, the dynamic response of vibrating structures is influenced by the rod stiffness and damping at the interface where the rods are connected with the structures. The stiffness...

... such as bridges and buildings. 04 10 2010 09 05 2011 24 05 2011 28 12 2011 28 12 2011 aeroacoustics aerodynamics beams (structures) dynamic response energy harvesting piezoelectricity structural acoustics vibrations wind power wireless sensor networks Galloping...

... over time to simulate the dynamic response. Results of the two models are compared against each other for the case of a cantilever microbeam and also compared to the predictions of a finite-element model using the software ANSYS. The influence of the higher order vibration modes of the PCB...

...S. T. Oni; B. Omolofe In this study, the dynamic response of axially prestressed Rayleigh beam resting on elastic foundation and subjected to concentrated masses traveling at varying velocity has been investigated. Analytical solutions representing the transverse-displacement response of the beam...

... regime is combined with the equations of motion for forced vibration of a cylinder attached to a spring. The resulting model gives an analytic solution for the dynamic response of the system, including the gain, frequency lag, resonant frequency, quality factor, and stability of the system. The results...

...Shih-Hsun Yin; Chung-Yu Tang This paper presents a computational study on a new method of detecting multiple simultaneous damages in a cable-stayed bridge by use of the analysis of the vertical dynamic response of a vehicle passing the bridge. First, the study uses a finite-element method...

...Bin Xu; Jian-Fei Lu; Jian-Hua Wang The dynamic responses of a pile group embedded in a layered poroelastic half-space subjected to axial harmonic loads is investigated in this study. Based on Biot’s theory, the frequency domain fundamental solution for a vertical circular patch load applied...

... bearings (AMBs) of a compressor built for the experimental study of surge, the axial clearance between the impeller and the static shroud is servo controlled, and the measured variations in the compressor output flow are compared with the mathematical model. The steady state and the dynamic responses...

... characteristics are numerically obtained and presented for a Polyvinglindene fluoride (PVDF) shell submerged in water. Dynamic responses of a submerged piezoelectric sherical shell, and the associated radiation of sound are investigated. The oscillations are harmonically driven by an axisymmetrically applied...

...Steven W. Shaw; Bruce Geist This paper considers the dynamic response and performance characteristics of a special class of centrifugal pendulum torsional vibration absorbers. The absorbers of interest are designed by selection of the path that their center of mass follows, such that their dynamics...

... for the reconstructed force can be achieved. structural acoustics vibrations measurement errors finite difference methods singular value decomposition dynamic response spatial force reconstruction Since accurate determination of external dynamic forces can be very important to the structural...

... performance of the considered beams is evaluated through a numerical model, formulated by employing dynamic shape functions derived directly from the distributed parameter model of beam elements. This formulation allows an accurate evaluation of the dynamic response of the considered structures at high...

... control constant, the premagnetization current, and the steady-state air gap, respectively. 01 04 2005 14 02 2006 dynamic response rotors magnetic bearings nonlinear differential equations frequency response vibrations structural acoustics active magnetic bearing frequency...

... frequencies and modes of the assembled structure and the separate components with the fictitious masses removed. Dynamic response analysis of the vehicle travelling over a rough road, performed by modal coupling, is in excellent agreement with that performed for the full model. The full-size (discrete...

... current damper is a noncontacting system, thus allowing it to be easily applied and able to add significant damping to the structure without changing dynamic response. Furthermore, the previous model and the improved model will be applied to the new damper design and the enhanced accuracy of this new...

...P. D. Spanos; A. Kontsos; P. Cacciola The goal of this paper is to study the steady-state dynamic response of an oscillator involving a hysteretic component and exposed to harmonic excitation. This is accomplished by using the Preisach formalism in the description of the contribution...

... are demonstrated and compared to conventional approaches including addition of conventional composite layers and a constrained layer damping treatment. The SMAHC approach is shown to be significantly more effective in the dynamic response abatement applications than the conventional approaches. The impetus...

... considered in the piezoelectric force of the IDM. It is shown that the hysteresis frictional force has critical influence on the final position of the micro- and nanometer positioning. 02 02 2004 12 04 2005 vibrations dynamic response impact (mechanical) sliding friction...