Now showing items 661-680 of 3913

    • Dynamics of Transition Regime in Bistable Vibration Energy Harvesters 

      Ibrahim, Alwathiqbellah; Towfighian, Shahrzad; Younis, Mohammad I. (The American Society of Mechanical Engineers (ASME), 2017)
      Vibration energy harvesting can be an effective method for scavenging wasted mechanical energy for use by wireless sensors that have limited battery life. Two major goals in designing energy harvesters are enhancing the ...
    • Higher-Order Dispersion, Stability, and Waveform Invariance in Nonlinear Monoatomic and Diatomic Systems 

      Fronk, Matthew D.; Leamy, Michael J. (The American Society of Mechanical Engineers (ASME), 2017)
      Recent studies have presented first-order multiple time scale approaches for exploring amplitude-dependent plane-wave dispersion in weakly nonlinear chains and lattices characterized by cubic stiffness. These analyses have ...
    • Passive Control of Piston Secondary Motion Using Nonlinear Energy Absorbers 

      Dolatabadi, N.; Theodossiades, S.; Rothberg, S. J. (The American Society of Mechanical Engineers (ASME), 2017)
      The impulsive behavior of the piston in the cylinder liner plays a key role in the noise, vibration, and harshness (NVH) of internal combustion engines. There have been several studies on the identification and quantification ...
    • Number of Wavevectors for Each Frequency in a Periodic Structure 

      Farzbod, Farhad (The American Society of Mechanical Engineers (ASME), 2017)
      Periodic structures have interesting acoustic and vibration properties making them suitable for a wide variety of applications. In a periodic structure, the number of frequencies for each wavevector depends on the ...
    • A New Locking-Free Formulation of a Three-Dimensional Shear-Deformable Beam 

      Fan, W.; Zhu, W. D. (The American Society of Mechanical Engineers (ASME), 2017)
      A new locking-free formulation of a three-dimensional shear-deformable beam with large deformations and large rotations is developed. The position of the centroid line of the beam is integrated from its slope that is related ...
    • Control of Vibration Using Compliant Actuators 

      Mareta, Sannia; Halim, Dunant; Popov, Atanas A. (The American Society of Mechanical Engineers (ASME), 2017)
      This work proposes a method for controlling vibration using compliant-based actuators. The compliant actuator combines a conventional actuator with elastic elements in a series configuration. The benefits of compliant ...
    • Acoustic Modeling of Charge Air Coolers 

      Knutsson, Magnus; Åbom, Mats (The American Society of Mechanical Engineers (ASME), 2017)
      The necessity of reducing CO2 emissions has lead to an increased number of passenger cars that utilize turbocharging to maintain performance when the internal combustion (IC) engines are downsized. Charge air coolers (CACs) ...
    • Generalized Spatial Aliasing Solution for the Dispersion Analysis of Infinitely Periodic Multilayered Composites Using the Finite Element Method 

      Tahidul Haque, A. B. M.; Ghachi, Ratiba F.; Alnahhal, Wael I.; Aref, Amjad; Shim, Jongmin (The American Society of Mechanical Engineers (ASME), 2017)
      The finite element (FE) method offers an efficient framework to investigate the evolution of phononic crystals which possess materials or geometric nonlinearity subject to external loading. Despite its superior efficiency, ...
    • Design and Experimental Analysis of Origami-Inspired Vibration Isolator With Quasi-Zero-Stiffness Characteristic 

      Ishida, Sachiko; Suzuki, Kohki; Shimosaka, Haruo (The American Society of Mechanical Engineers (ASME), 2017)
      We present a prototype vibration isolator whose design is inspired by origami-based foldable cylinders with torsional buckling patterns. The vibration isolator works as a nonlinear spring that has quasi-zero spring stiffness ...
    • High Frequency Analysis of a Point-Coupled Parallel Plate System 

      Culver, Dean R.; Dowell, Earl H. (The American Society of Mechanical Engineers (ASME), 2017)
      The root-mean-square (RMS) response of various points in a system comprised of two parallel plates coupled at a point undergoing high frequency, broadband transverse point excitation of one component is considered. Through ...
    • Diffraction of Cylindrical Waves by a Transmissive Half-Plane 

      Ziya Umul, Yusuf (The American Society of Mechanical Engineers (ASME), 2017)
      The scattered acoustic waves by a transmissive half-plane, which is illuminated by a line source, are investigated. The high-frequency diffracted wave expressions are obtained by taking into account a resistive half-screen ...
    • Analysis of Curved Panel Flutter in Supersonic and Transonic Airflows Using a Fluid–Structure Coupling Algorithm 

      Mei, Guanhua; Zhang, Jiazhong; Kang, Can (The American Society of Mechanical Engineers (ASME), 2017)
      In order to accurately study the effect of curvature on panel aeroelastic behaviors, a fluid–structure coupling algorithm is adopted to analyze the curved panel flutter in transonic and supersonic airflows. First, the ...
    • Reduced-Order Models of Blisks With Small Geometric Mistuning 

      Baek, Seunghun; Epureanu, Bogdan (The American Society of Mechanical Engineers (ASME), 2017)
      A technique for generating reduced-order models (ROMs) of bladed disks with small geometric mistuning is proposed. Discrepancies in structural properties (mistuning) from blade to blade can cause a significant increase in ...
    • Modeling the Effect of Imperfections in Glassblown Micro-Wineglass Fused Quartz Resonators 

      Wang, Yusheng; Asadian, Mohammad H.; Shkel, Andrei M. (The American Society of Mechanical Engineers (ASME), 2017)
      In this paper, we developed an analytical model, supported by experimental results, on the effect of imperfections in glassblown micro-wineglass fused quartz resonators. The analytical model predicting the frequency mismatch ...
    • Fluid–Structure Interaction Simulation of Vortex-Induced Vibration of a Flexible Hydrofoil 

      Lee, Abe H.; Campbell, Robert L.; Craven, Brent A.; Hambric, Stephen A. (The American Society of Mechanical Engineers (ASME), 2017)
      Fluid–structure interaction (FSI) is investigated in this study for vortex-induced vibration (VIV) of a flexible, backward skewed hydrofoil. An in-house finite element structural solver finite element analysis nonlinear ...
    • A Two-Stage Model for Energy Transmission and Radiation Analysis of Laminated Composite Double-Leaf Structures 

      Sahu, Atanu; Niyogi, Arup Guha; Rose, Michael; Bhattacharya, Partha (The American Society of Mechanical Engineers (ASME), 2017)
      A two-stage numerical model is developed to understand the energy transmission characteristics through a finite double-leaf structure placed in an infinite baffle subjected to an external excitation and subsequently the ...
    • Prediction of Far-Field Sound Pressure of a Semisubmerged Cylindrical Shell With Low-Frequency Excitation 

      Li, T. Y.; Wang, P.; Zhu, X.; Yang, J.; Ye, W. B. (The American Society of Mechanical Engineers (ASME), 2017)
      A sound–structure interaction model is established to study the vibroacoustic characteristics of a semisubmerged cylindrical shell using the wave propagation approach (WPA). The fluid free surface effect is taken into ...
    • Impact of Synchronization in Micromechanical Gyroscopes 

      Defoort, Martial; Taheri-Tehrani, Parsa; Nitzan, Sarah H.; Horsley, David A. (The American Society of Mechanical Engineers (ASME), 2017)
      In this paper, we study the occurrence of synchronization between the two degenerate resonance modes of a microdisk resonator gyroscope. Recently, schemes involving the simultaneous actuation of the two vibration modes of ...
    • Estimation of Axial Load in Tie-Rods Using Experimental and Operational Modal Analysis 

      Campagnari, S.; di Matteo, F.; Manzoni, S.; Scaccabarozzi, M.; Vanali, M. (The American Society of Mechanical Engineers (ASME), 2017)
      This paper addresses a new method for estimating axial load in tie-rods using indirect measurements. This information is of great importance for assessing the health of the tie-rod itself and the health of the entire ...
    • On Regularization in Design for Reliability for Nonlinear Planar Beam-Type Resonators 

      Tripathi, Astitva; Bajaj, Anil K. (The American Society of Mechanical Engineers (ASME), 2017)
      Robustness is a highly desirable quality in microelectromechanical systems (MEMS). Sensors and resonators operating on nonlinear dynamic principles such as internal resonances are no exception to this, and in addition, ...