Journal of Computational and Nonlinear Dynamics: Recent submissions
Now showing items 921-940 of 1786
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Analytical Approximations for Stick–Slip Amplitudes and Frequency of Duffing Oscillator
(The American Society of Mechanical Engineers (ASME), 2017)Linear spring mass systems placed on a moving belt have been subjected to numerous investigations. Dynamical characteristics like amplitude and frequency of oscillations and bifurcations have been well studied along with ... -
Nonlinear Dynamic Behavior of a Heavy Articulated Vehicle With Magnetorheological Dampers
(The American Society of Mechanical Engineers (ASME), 2017)The chaotic vibration analysis of a heavy articulated vehicle (HAV) under consecutive speed control humps (SCHs) excitation is studied. The vehicle is modeled as a nonlinear half-truck oscillatory system with three axles. ... -
Chaotic Motion in a Flexible Rotating Beam and Synchronization
(The American Society of Mechanical Engineers (ASME), 2017)A rotating flexible beam undergoing large deformation is known to exhibit chaotic motion for certain parameter values. This work deals with an approach for control of chaos known as chaos synchronization. A nonlinear ... -
Wheel–Rail Impact at Crossings: Relating Dynamic Frictional Contact to Degradation
(The American Society of Mechanical Engineers (ASME), 2017)Irregularities in the geometry and flexibility of railway crossings cause large impact forces, leading to rapid degradation of crossings. Precise stress and strain analysis is essential for understanding the behavior of ... -
Periodic Motions With Overshooting Phases of a Two-Mass Stick–Slip Oscillator
(The American Society of Mechanical Engineers (ASME), 2017)We investigate the dynamics of a two degrees-of-freedom oscillator excited by dry friction. The system consists of two masses connected by linear springs and in contact with a belt moving at a constant velocity. The contact ... -
Computational Analysis of the U.S. Forest Fires
(The American Society of Mechanical Engineers (ASME), 2017)This paper analyses forest fires (FF) in the U.S. during 1984–2013, based on data collected by the monitoring trends in burn severity (MTBS) project. The study adopts the tools of dynamical systems to tackle information ... -
The “α-Invariant”: An Energy-Based Nonlinear Minimal Damping Model for Robotic Joints With Friction
(The American Society of Mechanical Engineers (ASME), 2017)System identification of the sinusoidal steady-state response of the Phantom Omni using a local linear model revealed that friction has a non-negligible effect on the accuracy of a global linear model, particularly at low ... -
Analysis and Computation of Two Body Impact in Three Dimensions
(The American Society of Mechanical Engineers (ASME), 2017)A formal impulse-based analysis is presented for the collision of two rigid bodies at single contact point under Coulomb's friction in three dimensions (3D). The tangential impulse at the contact is known to be linear in ... -
Experimental Validation of a Nonlinear Model Calibration Method Based on Multiharmonic Frequency Responses
(The American Society of Mechanical Engineers (ASME), 2017)Correlation and calibration using test data are natural ingredients in the process of validating computational models. Model calibration for the important subclass of nonlinear systems which consists of structures dominated ... -
Assessment of Linearization Approaches for Multibody Dynamics Formulations
(The American Society of Mechanical Engineers (ASME), 2017)Formulating the dynamics equations of a mechanical system following a multibody dynamics approach often leads to a set of highly nonlinear differential-algebraic equations (DAEs). While this form of the equations of motion ... -
Accuracy of Wearable Sensors for Estimating Joint Reactions
(The American Society of Mechanical Engineers (ASME), 2017)Miniature wireless inertial measurement units (IMUs) hold great promise for measuring and analyzing multibody system dynamics. This relatively inexpensive technology enables noninvasive motion tracking in broad applications, ... -
A Planar Beam Finite-Element Formulation With Individually Interpolated Shear Deformation
(The American Society of Mechanical Engineers (ASME), 2017)This paper introduces a new planar gradient deficient beam element based on the absolute nodal coordinate formulation. In the proposed formulation, the centerline position is interpolated using cubic polynomials while shear ... -
Robust Generation of Limit Cycles in Nonlinear Systems: Application on Two Mechanical Systems
(The American Society of Mechanical Engineers (ASME), 2017)This paper studies inducing robust stable oscillations in nonlinear systems of any order. This goal is achieved through creating stable limit cycles in the closed-loop system. For this purpose, the Lyapunov stability theorem ... -
On a Discrete Chaos Induction Via an Aperiodic Kicks Pattern
(The American Society of Mechanical Engineers (ASME), 2017)In this work, a class of kicked systems perturbed with an irregular kicks pattern is studied and formation of a chaos in the senses of Devaney and Li–Yorke in the corresponding discretized system is investigated. Beside a ... -
New Conservation Laws, Lagrangian Forms, and Exact Solutions of Modified Emden Equation
(The American Society of Mechanical Engineers (ASME), 2017)This study deals with the determination of Lagrangians, first integrals, and integrating factors of the modified Emden equation by using Jacobi and Prelle–Singer methods based on the Lie symmetries and λ-symmetries. It is ... -
Further Comments on Taylor Series Expansion of the Delay/Advance Operator
(The American Society of Mechanical Engineers (ASME), 2017)The limitations of the Taylor series approximations of the delayed variables have been documented by means of examples in several works. This note unifies these previous comments through a higher-level analysis of the ... -
Influence of Nonzero Mean Impulse Amplitudes on the Response Statistics of Dynamical Systems
(The American Society of Mechanical Engineers (ASME), 2017)This paper investigates the influences of nonzero mean Poisson impulse amplitudes on the response statistics of dynamical systems. New correction terms of the extended Itô calculus, as a generalization of the Wong–Zakai ... -
A Vibration Absorption Method for Alleviating Impact of the Flexible Robotic Arm
(The American Society of Mechanical Engineers (ASME), 2017)Impact may excite intense vibration responses of the flexible robotic arm and thus deteriorate its working performance. A vibration absorption method is put forward to alleviate impact influence of the flexible robotic ... -
Dynamic Analysis of a Geared Infinitely Variable Transmission
(The American Society of Mechanical Engineers (ASME), 2017)Dynamic analysis of a geared infinitely variable transmission (IVT) that can generate a continuous output-to-input speed ratio from zero to a certain value is studied for vehicle and wind turbine applications. With the IVT ... -
Stabilization of a Fractional-Order Nonlinear Brushless Direct Current Motor
(The American Society of Mechanical Engineers (ASME), 2017)This paper describes the stabilization of a fractional-order nonlinear brushless DC motor (BLDCM) with the Caputo derivative. Based on the Laplace transform, a Mittag-Leffler function, Jordan decomposition, and Grönwall's ...