Journal of Computational and Nonlinear Dynamics: Recent submissions
Now showing items 1401-1420 of 1786
-
The Use of Generalized Laguerre Polynomials in Spectral Methods for Solving Fractional Delay Differential Equations
(The American Society of Mechanical Engineers (ASME), 2013)In this paper, an efficient numerical method for solving the fractional delay differential equations (FDDEs) is considered. The fractional derivative is described in the Caputo sense. The proposed method is based on the ... -
Two Dimensional Nonlinear Analysis of an Untethered Spherical Buoy Due to Wave Loading
(The American Society of Mechanical Engineers (ASME), 2013)The horizontal and vertical motions of a nonlinear spherical buoy, excited by synthetic ocean waves within a wave flume, is numerically and experimentally investigated. First, fluid motion in the wave tank is described ... -
Time Fractional Camassa–Holm Equation: Formulation and Solution Using Variational Methods
(The American Society of Mechanical Engineers (ASME), 2013)This paper presents the formulation of the timefractional Camassa–Holm equation using the Euler–Lagrange variational technique in the Riemann–Liouville derivative sense and derives an approximate solitary wave solution. ... -
Natural Coordinates in the Optimal Control of Multibody Systems
(The American Society of Mechanical Engineers (ASME), 2012)The formulation of multibody dynamics in terms of natural coordinates (NCs) leads to equations of motion in the form of differential-algebraic equations (DAEs). A characteristic feature of the ... -
Numerical Investigation of Abradable Coating Removal in Aircraft Engines Through Plastic Constitutive Law
(The American Society of Mechanical Engineers (ASME), 2012)In the field of turbomachines, better engine performances are achieved by reducing possible parasitic leakage flows through the closure of the clearance distance between blade tips and surrounding ... -
Effects of Damaged Boundaries on the Free Vibration of Kirchhoff Plates: Comparison of Perturbation and Spectral Collocation Solutions
(The American Society of Mechanical Engineers (ASME), 2012)In order to compare numerical and analytical results for the free vibration analysis of Kirchhoff plates with both partially and completely damaged boundaries, the Chebyshev collocation and ... -
Nonlinear Parameter Identification in Multibody Systems Using Homotopy Continuation
(The American Society of Mechanical Engineers (ASME), 2012)The identification of parameters in multibody systems governed by ordinary differential equations, given noisy experimental data for only a subset of the system states, is considered in this ... -
Nonlinear Dynamics of Inverted Pendulum Driven by Airflow
(The American Society of Mechanical Engineers (ASME), 2012)A nonlinear model of inverted pendulum that exhibit unbounded single well φ6 potential is described. The complete equation for one-dimensional wind-induced sway is derived. The harmonic balance ... -
Nonlinear Vibration Signature Analysis of a High Speed Rotor Bearing System Due to Race Imperfection
(The American Society of Mechanical Engineers (ASME), 2012)In this paper the nonlinear dynamic responses of a rigid rotor supported by ball bearings due to surface waviness of bearing races are analyzed. A mathematical formulation has been derived ... -
Ritz Legendre Multiwavelet Method for the Damped Generalized Regularized Long-Wave Equation
(The American Society of Mechanical Engineers (ASME), 2012)In this paper, a numerical method is proposed to approximate the solution of the nonlinear damped generalized regularized long-wave (DGRLW) equation with a variable coefficient. The method is ... -
Analysis of the Nonlinear Dynamics of the Timoshenko Flexible Beams Using Wavelets
(The American Society of Mechanical Engineers (ASME), 2012)Regular and chaotic dynamics of the flexible Timoshenko-type beams is studied using both the standard Fourier (FFT) and the continuous wavelet transform methods. The governing equations of motion ... -
Analysis of the Frictional Vibration of a Cleaning Blade in Laser Printers Based on a Two-Degree-Of-Freedom Model
(The American Society of Mechanical Engineers (ASME), 2012)This research aims to analyze the dynamics of the self-excited vibration of a cleaning blade in a laser printer. First, it is experimentally indicated that that the self-excited vibration is ... -
Use of B-Spline in the Finite Element Analysis: Comparison With ANCF Geometry
(The American Society of Mechanical Engineers (ASME), 2012)This paper examines the limitations of using B-spline representation as an analysis tool by comparing its geometry with the nonlinear finite element absolute nodal coordinate formulation (ANCF) ... -
Experimental Rotations of a Pendulum on Water Waves
(The American Society of Mechanical Engineers (ASME), 2012)The rotations of a parametric pendulum fitted onto a suitable floating support and forced to move vertically under the action of water waves have been studied on the basis of a dedicated ... -
Analytic Bounds for Instability Regions in Periodic Systems With Delay via Meissner’s Equation
(The American Society of Mechanical Engineers (ASME), 2012)A method for obtaining analytic bounds for period doubling and cyclic fold instability regions in linear time-periodic systems with piecewise constant coefficients and time delay is suggested. ... -
Analysis of the Dynamic Behavioral Performance of Mechanical Systems With Multi–Clearance Joints
(The American Society of Mechanical Engineers (ASME), 2012)In this investigation, the effect of revolute joints’ clearance on the dynamic performance of mechanical systems is reported. A computation algorithm is developed with the aid of SolidWorks/CosmosMotion ... -
Control of a Forced Impacting Hertzian Contact Oscillator Near Sub- and Superharmonic Resonances of Order 2
(The American Society of Mechanical Engineers (ASME), 2012)The effect of a fast harmonic base displacement and of a fast periodically time varying stiffness on vibroimpact dynamics of a forced single-sided Hertzian contact oscillator is investigated ... -
Modeling of Cross-Coupling Responses on Hingeless Helicopters via Gyroscopic Effect
(The American Society of Mechanical Engineers (ASME), 2012)The perplexing cross-coupled responses between the control axes on hingeless helicopters have puzzled researchers for years. Unlike previous studies, which introduced a physically meaningless phase-lag ... -
Use of the Non-Inertial Coordinates in the Analysis of Train Longitudinal Forces
(The American Society of Mechanical Engineers (ASME), 2012)In this investigation, a new three-dimensional nonlinear train car coupler model that takes into account the geometric nonlinearity due to the coupler and car body displacements is developed. ... -
Position Control of a Rehabilitation Robotic Joint Based on Neuron Proportion-Integral and Feedforward Control
(The American Society of Mechanical Engineers (ASME), 2012)The joint of the upper limb rehabilitation robot, which is designed and built in our lab, is driven by pneumatic muscles (PMs) in an opposing pair configuration. Each PM drives the robotic ...