Synonyms were used for: Noise vibration,
Search without synonyms: title: Noise and Vibration; Noise and vibration, 2010

1–43 of 43 hits
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    Analysis of Motor Vibration Isolation System with Focus on Mount Resonances for Application to Electric Vehicles

    Liette, Jared / Singh, Rajendra / Noll, Scott et al. | SAE Technical Papers | 2015
    first analytically formulated by considering a simple 3-dimensional powertrain system, and the vibration isolation effectiveness significantly ...
    Keywords: Combustion and combustion processes

    Analysis of Speed-Dependent Vibration Amplification in a Nonlinear Driveline System Using Hilbert Transform

    Li, Laihang / Singh, Rajendra | SAE Technical Papers | 2013
    transient vibration issue, and the focus is on nonlinear analysis. First, a new nonlinear model of a multi-staged clutch damper is developed and ...
    Keywords: Vibration , Dampers and shock absorbers

    Comparative Assessment of Frequency Dependent Joint Properties Using Direct and Inverse Identification Methods

    Joodi, Benjamin / Dreyer, Jason / Singh, Rajendra et al. | SAE Technical Papers | 2015
    Elastomeric joints are utilized in many automotive applications, and exhibit frequency and excitation amplitude dependent properties ...
    Keywords: Simulation and modeling

    Comparative Assessment of Multi-Axis Bushing Properties Using Resonant and Non-Resonant Methods

    Dreyer, Jason / Singh, Rajendra / Noll, Scott | SAE Technical Papers | 2013
    multi-axis properties with new benchmark experiments that are designed to permit direct comparison between system resonant and non-resonant ...

    Complex eigensolutions of coupled flexural and longitudinal modes in a beam with inclined elastic supports with non-proportional damping

    Noll, Scott / Dreyer, Jason / Singh, Rajendra | Tema Archive | 2014
    Structure borne vibration and noise in an automobile are often explained by representing the full vehicle as a system of elastically ...
    Keywords: mechanische Schwingung

    Determination of Viscoelastic Core Material Properties Using Sandwich Beam Theory and Modal Experiments

    Singh, Rajendra / Kung, Shih-Wei | SAE Technical Papers | 1999
    using both analytical predictions and modal experiments on a cantilever beam, spectrally-varying loss factor and shear modulus of the unknown ...
    Keywords: Adhesives and sealants

    Development of a Clunk Simulation Model for a Rear Wheel Drive Vehicle With Automatic Transmission

    Crowther, Ashley R. / Zhang, Nong / Singh, Rajendra | SAE Technical Papers | 2005
    the reduced geared coordinates of the automatic transmission and final drive. Impacts within the gear pairs are affected by the engine surging ...

    Development of a Non-Linear Clutch Damper Experiment Exhibiting Transient Dynamics

    Dreyer, Jason / Krak, Michael / Singh, Rajendra | SAE Technical Papers | 2015
    (while necessary) is costly and time intensive, especially when evaluating the effect of component properties on transient phenomena, such as ...
    Keywords: Simulation and modeling , Dampers and shock absorbers

    Development of Refined Clutch-Damper Subsystem Dynamic Models Suitable for Time Domain Studies

    Saleh, Almahdi / Dreyer, Jason / Krak, Michael et al. | SAE Technical Papers | 2015
    This study examines clutch-damper subsystem dynamics under transient excitation and validates predictions using a new laboratory experiment ...

    Dynamic Analysis of Hydraulic Bushings with Measured Nonlinear Compliance Parameters

    Dreyer, Jason / Fredette, Luke / Singh, Rajendra | SAE Technical Papers | 2015
    Hydraulic bushings with amplitude sensitive and spectrally varying properties are commonly used in automotive suspension. However ...

    Dynamic Stiffness of Hydraulic Bushing with Multiple Internal Configurations

    Dreyer, Jason / Singh, Rajendra / Chai, Tan | SAE Technical Papers | 2013
    Fluid filled bushings are commonly used in vehicle suspension and sub-frame systems due to their spectrally-varying and amplitude-dependent ...

    Effect of Disc-Pad Contact Modification on the Brake Judder Source Using a Simplified Elasto-Kinematic Model

    Liette, Jared / Dreyer, Jason / Drabison, John et al. | SAE Technical Papers | 2013
    (DTV). Prior research has mainly focused on the vibration path(s) and receiver(s), though such approaches grossly simplify the source ...

    Effect of Engine Mount Damping on the Torque Roll Axis Decoupling

    Park, Jae-Yeol / Singh, Rajendra | SAE Technical Papers | 2007
    hydraulic), adaptive or active mounts. Only rigid body modes of power train are considered and chassis is assumed to be rigid. Complex mode method ...
    Keywords: Railway vehicles and equipment

    Effect of Local Stiffness Coupling on the Modes of a Subframe-Bushing System

    Dreyer, Jason / Singh, Rajendra / Noll, Scott | SAE Technical Papers | 2013
    , yet simple, beam finite element model. This allows for a correlation study between the experiment and model that helps shed light upon the ...

    Effect of the Tooth Surface Waviness on the Dynamics and Structure-Borne Noise of a Spur Gear Pair

    Jayasankaran, Karthik / Singh, Rajendra / Kim, Seungbo et al. | SAE Technical Papers | 2013
    This article studies the effects of tooth surface waviness and sliding friction on the dynamics and radiated structure-borne noise of a ...
    Keywords: Noise

    Effect of Viscoelastic Patch Damping on Casing Cover Dynamics

    Kim, Jun Y. / Singh, Rajendra | SAE Technical Papers | 2001
    Many automotive components and sub-systems require viscoelastic damping treatments to control noise and vibration characteristics. To aid ...
    Keywords: Vibration , Simulation and modeling , Noise

    Effect of Welded or Glued Joints on Modal Properties of an Assembly

    Mehta, Pavak / Singh, Rajendra | SAE Technical Papers | 2003
    This paper examines the natural frequencies, mode shapes and modal damping ratios of a specially designed laboratory fixture with integral ...

    Errors Associated with Transfer Path Analysis when Rotations are not Measured

    Inoue, Akira / Singh, Rajendra | SAE Technical Papers | 2007
    motions were measured. This paper examines the sources of those errors by using computational finite and boundary element models. The example case ...

    Estimation of Dynamic Stiffness Matrix of Welded or Glued Joints Using a Laboratory Fixture

    Mehta, Pavak / Singh, Rajendra | SAE Technical Papers | 2003
    . Such joints undergo shear and rotational deformations, which must be characterized via diagonal stiffness elements and cross-stiffness terms in ...
    Keywords: Adhesives and sealants

    Evaluation of Damping Material at Higher Frequencies with Application to Automotive Systems Including Brakes

    Sheikh, Ayaz / Mitchell, Michael / Ransdell, Michael et al. | SAE Technical Papers | 1995
    Many discrete tonal type noise and vibration problems in automotive systems and other physical structures require passive multi-layer visco ...
    Keywords: Vibration , Adhesives and sealants , Coatings, colorants, and finishes

    Examination of High Frequency Characterization Methods for Mounts

    Singh, Rajendra / Kim, Seungbo | SAE Technical Papers | 2001
    many automotive sub-systems. Consequently, characterization and modeling of vibration isolators is increasingly becoming more important in mid ...
    Keywords: Vibration , Simulation and modeling , Tools and equipment

    Examination of Some Vibration Isolator Models and Their Effects on Vibration and Structure-borne Noise Transmission

    Singh, Rajendra / Kim, Seungbo | SAE Technical Papers | 2003
    computed to assess the structure-borne noise transmitted through mounts. The roles and effects of coupling terms, frequency dependency and discrete ...
    Keywords: Vibration , Simulation and modeling , Noise

    Experimental Study of Structure-Borne Noise Transfer Paths over the Mid-Frequency Regime

    Inoue, Akira / Singh, Rajendra / Kim, Seungbo | SAE Technical Papers | 2005
    This article examines the structure-borne noise transfer path measures by using a laboratory experiment with simulated engine and passenger ...
    Keywords: Noise

    Explanation for Variability in Lower Frequency Structure-Borne Noise and Vibration: Roles of Rear Subframe Dynamics and Right-Left Spindle Phasing

    Singh, Rajendra / Rengarajan, Revathi / Noll, Scott | SAE Technical Papers | 2018
    computational models are developed and analyzed in this article to investigate the variability of structure-borne noise and vibration due to tire/road ...
    Keywords: Vibration , Noise

    Improved Estimation of Linear and Nonlinear Hydraulic Mount Models for Transient Responses

    Singh, Rajendra / He, Song | SAE Technical Papers | 2005
    nonlinearities. The estimation is based on the premise that the analyst has access to limited dynamic stiffness test data (say up to 50 Hz), and the ...

    Incorporation of Non-Linear and Quasi-Linear Hydraulic Mount Formulations into a Vehicle Model

    Singh, Rajendra / He, Song | SAE Technical Papers | 2007
    This paper comparatively evaluates measurement-based quasi-linear and true non-linear (mechanical and fluid type) models of hydraulic ...

    Modeling of Active and Passive Damping Patches with Application to a Transmission Casing Cover

    Dreyer, Jason / Plattenburg, Joseph / Singh, Rajendra | SAE Technical Papers | 2015
    lightweight vehicle components that demand advanced noise and vibration treatments. Compact patches are of particular interest due to their small size ...
    Keywords: Vibration , Simulation and modeling , Noise , Noise, vibration, and harshness standards and regulations

    Modeling of Automotive Gear Rattle Phenomenon: State of the Art

    Padmanabhan, Chandramouli / Singh, Rajendra / Rook, Todd E. | SAE Technical Papers | 1995
    desirable to develop an appropriate computer simulation model which can aid in the control of transient noise and vibration signatures. Such models ...
    Keywords: Simulation and modeling , Noise

    NVH Research Facilities at The Ohio State University: Existing Facilities and Envisioned Enhancements

    Houser, Donald R. / Singh, Rajendra | SAE Technical Papers | 1997
    , and the Gear Dynamics and Gear Noise Research Laboratory. This paper describes the facilities of these laboratories. Two unique existing ...
    Keywords: Education and training , Research and development , Noise , Noise, Vibration, and Harshness (NVH) , Noise, vibration, and harshness standards and regulations

    Periodic Response of Nonlinear Engine Mounting Systems

    Singh, Rajendra / Royston, Thomas J. | SAE Technical Papers | 1995
    problems incorporate a nonlinear mount or isolation element and the resulting physical system, consisting of the engine, mount and flexible base ...

    Prediction of High Frequency Response Characteristics of Hydraulic Mounts

    Singh, Rajendra / He, Song | SAE Technical Papers | 2005
    mount parameters and propose both linear and nonlinear models capable of predicting the high frequency characteristics. First, a lumped ...

    Sound Radiation from a Disk Brake Rotor Using a Semi-Analytical Method

    Lee, Hyeongill / Singh, Rajendra | SAE Technical Papers | 2003
    rotor and strategies to minimize squeal noise radiation could be formulated. ...

    Start-Up Transient Vibration Analysis of a Vehicle Powertrain System Equipped with a Nonlinear Clutch Damper

    Li, Laihang / Singh, Rajendra | British Library Conference Proceedings | 2015

      Start-Up Transient Vibration Analysis of a Vehicle Powertrain System Equipped with a Nonlinear Clutch Damper

      Li, Laihang / Singh, Rajendra | SAE Technical Papers | 2015
      The transient vibration phenomenon in a vehicle powertrain system during the start-up (or shut-down) process is studied with focus on the ...
      Keywords: Dampers and shock absorbers

    Stick-Slip Behavior of Torque Converter Clutch

    Duan, Chengwu / Singh, Rajendra | SAE Technical Papers | 2005
    procedure can efficiently and accurately identify the frequency ranges where linear or non-linear studies are needed. Stick-slip behavior can be ...

    Structure-Borne Noise Measures and Their Correlation to Sound Radiation over a Broad Range of Frequencies

    Singh, Rajendra / Kim, Seungbo | SAE Technical Papers | 2003
    Structure-borne noise within vehicle structures is often transmitted in a multi-dimensional manner and thus the vibro-acoustic model(s) of ...
    Keywords: Vibration , Noise

    Study of Nonlinear Hydraulic Engine Mounts Focusing on Decoupler Modeling and Design

    Singh, Rajendra / Royston, Thomas J. | SAE Technical Papers | 1997
    Decoupler nonlinearities of the automotive hydraulic engine mount affect its isolation performance and the transmission of structure-borne ...
    Keywords: Simulation and modeling , Noise

    Transient Clunk Response of a Driveline System: Laboratory Experiment and Analytical Studies

    Keyvanmanesh, Amir / Crowther, Ashley R. / Gurm, Jaspreet S. et al. | SAE Technical Papers | 2007
    overhanging torsion bar and electromagnet. Then an applied load may be varied via attached mass and released to simulate the step down (tip-out ...
    Keywords: Vibration

    Transient Response of Hydraulic Bushing with Inertia Track and Orifice-Like Elements

    Dreyer, Jason T. / Singh, Rajendra / Chai, Tan | SAE Technical Papers | 2013
    Hydraulic bushings are widely used in vehicle applications, such as suspension and sub-frame systems, for motion control and noise and ...
    Keywords: Vibration , Noise

    Transient Response of Hydraulic Engine Mount to a Realistic Excitation: Improved Non-Linear Models and Validation

    Singh, Rajendra / He, Song | SAE Technical Papers | 2007
    Competing linear, quasi-linear and non-linear hydraulic mount formulations of fixed and free decoupler types are comparatively evaluated ...

    Vibration Analysis of Powertrain Mounting System with a Combination of Active and Passive Isolators with Spectrally-varying Properties

    Park, Jae-Yeol / Singh, Rajendra | SAE Technical Papers | 2009
    of the powertrain system with a combination of active and passive mounts. All stiffness and damping elements contain spectrally-varying ...

    Vibration Characteristics of Cardboard Inserts in Shells

    De Clerck, James P. / Foulkes, Martin G. / Singh, Rajendra | SAE Technical Papers | 2003
    A study has been conducted to determine the noise and vibration effect of inserting a cardboard liner into a thin, circular cross-sectioned ...
    Keywords: Vibration , Propellers and rotors , Noise

    Vibration Power Transmission Through Multi-Dimensional Isolation Paths Over High Frequencies

    Singh, Rajendra / Kim, Seungbo | SAE Technical Papers | 2001
    , vibration power components are also examined. The roles of isolator parameters such as the static stiffness ratios, shape factors and material ...
    Keywords: Vibration

    Volumetric and Dynamic Performance Considerations of Elastomeric Components

    Joodi, Benjamin / Dreyer, Jason / Singh, Rajendra et al. | SAE Technical Papers | 2015
    Elastomeric joints such as mounts and suspension bushings undergo broadband excitation and are often characterized through a cross-point ...