Journal of Computational and Nonlinear Dynamics: Recent submissions
Now showing items 1621-1640 of 1786
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Transient Response of Circular, Elastic Plates to Point Loads
(The American Society of Mechanical Engineers (ASME), 2009)When a dynamic point load is applied laterally to a plate, the deflection gradually spreads over time until the entire plate surface is affected. The determination of early stages of response ... -
Parameter Analysis and Normalization for the Dynamics and Design of Multibody Systems
(The American Society of Mechanical Engineers (ASME), 2009)In this paper, we introduce a novel concept for parametric studies in multibody dynamics. This includes a technique to perform a natural normalization of the dynamics in terms of inertial ... -
An Exact Fourier Series Method for the Vibration Analysis of Multispan Beam Systems
(The American Society of Mechanical Engineers (ASME), 2009)An exact Fourier series method is developed for the vibration analysis of multispan beam systems. In this method, the displacement on each beam is expressed as a Fourier series expansion plus ... -
Discontinuity-Induced Bifurcations in Systems With Hysteretic Force Interactions
(The American Society of Mechanical Engineers (ASME), 2009)This paper presents the application of the discontinuity-mapping technique to the analysis of discontinuity-induced bifurcations of periodic trajectories in an example hybrid dynamical system in ... -
A Recursive Hybrid Time-Stepping Scheme for Intermittent Contact in Multi-Rigid-Body Dynamics
(The American Society of Mechanical Engineers (ASME), 2009)This paper describes a novel method for the modeling of intermittent contact in multi-rigid-body problems. We use a complementarity based time-stepping scheme in Featherstone’s divide and conquer ... -
Active Vibration Control for a Machine Tool With Parallel Kinematics and Adaptronic Actuator
(The American Society of Mechanical Engineers (ASME), 2009)The use of adaptronic components opens up interesting new possibilities for modern machine tools such as parallel kinematics. In this paper, two active vibration control concepts are designed ... -
Energy Transfer and Dissipation in a Duffing Oscillator Coupled to a Nonlinear Attachment
(The American Society of Mechanical Engineers (ASME), 2009)The dynamics of a two-degree-of-freedom nonlinear system consisting of a grounded Duffing oscillator coupled to an essentially nonlinear attachment is examined in the present study. The underlying ... -
On an Active Control for a Structurally Nonlinear Mechanical System, Taking Into Account an Energy Pumping
(The American Society of Mechanical Engineers (ASME), 2009)The purpose of this work is to investigate the control of the oscillations and the suppression of vibrations in damped and coupled oscillators. In this sense, we look into the potential of ... -
A High Precision Direct Integration Scheme for Nonlinear Dynamic Systems
(The American Society of Mechanical Engineers (ASME), 2009)Based on the high precision direct (HPD) integration scheme for linear systems, a high precision direct integration scheme for nonlinear (HPD-NL) dynamic systems is developed. The method retains ... -
Observer Design for Nonlinear Systems With Time-Periodic Coefficients via Normal Form Theory
(The American Society of Mechanical Engineers (ASME), 2009)For most complex dynamic systems, it is not always possible to measure all system states by a direct measurement technique. Thus for dynamic characterization and controller design purposes, it ... -
Lateral Load Transfer Effects on Bifurcation Behavior of Four-Wheel Vehicle System
(The American Society of Mechanical Engineers (ASME), 2009)In this article, vehicle handling behavior of a nonlinear four-wheel vehicle system is studied. Bifurcations with respect to vehicle speed and roll moment distribution are examined for innate ... -
Analysis of Milling Stability by the Chebyshev Collocation Method: Algorithm and Optimal Stable Immersion Levels
(The American Society of Mechanical Engineers (ASME), 2009)In this paper the dynamic stability of the milling process is investigated through a single degree-of-freedom model by determining the regions where chatter (unstable) vibrations occur in the ... -
Linear and Nonlinear Dynamic Responses of Various Shaped Laminated Composite Plates
(The American Society of Mechanical Engineers (ASME), 2009)A unified approach to study the forced linear and geometrically nonlinear elastic vibrations of fiber-reinforced laminated composite plates subjected to uniform load on the entire plate as well ... -
Direct Linearization of Continuous and Hybrid Dynamical Systems
(The American Society of Mechanical Engineers (ASME), 2009)Nonlinear equations of motion are often linearized, especially for stability analysis and control design applications. Traditionally, the full nonlinear equations are formed and then linearized ... -
Frequency-Domain Identification of Linear Time-Periodic Systems Using LTI Techniques
(The American Society of Mechanical Engineers (ASME), 2009)A variety of systems can be faithfully modeled as linear with coefficients that vary periodically with time or linear time-periodic (LTP). Examples include anisotropic rotor-bearing systems, wind ... -
Flight Dynamics and Simulation of Laser Propelled Lightcraft
(The American Society of Mechanical Engineers (ASME), 2009)A seven degree-of-freedom (7DOF) dynamic model was developed to provide insight into the flight behavior of Type 200 and other related lightcraft, and to serve as a research tool for developing ... -
Increased Stability of Low-Speed Turning Through a Distributed Force and Continuous Delay Model
(The American Society of Mechanical Engineers (ASME), 2009)This paper investigates the increased stability behavior commonly observed in low-speed machining. In the past, this improved stability has been attributed to the energy dissipated by the ... -
A van der Pol–Duffing Oscillator Model of Hydrodynamic Forces on Canonical Structures
(The American Society of Mechanical Engineers (ASME), 2009)Numerical simulations of the flow past elliptic cylinders with different eccentricities have been performed using a parallel incompressible computational fluid-dynamics (CFD) solver. The pressure ... -
On the Contact Search Algorithms for Wheel/Rail Contact Problems
(The American Society of Mechanical Engineers (ASME), 2009)In this investigation, contact search algorithms for the analysis of wheel/rail contact problems are discussed, and the on-line and off-line hybrid contact search method is developed for multibody ... -
Parameters Identification for Nonlinear Dynamic Systems Via Genetic Algorithm Optimization
(The American Society of Mechanical Engineers (ASME), 2009)This paper presents a frequency domain method for the location, characterization, and identification of localized nonlinearities in mechanical systems. The nonlinearities are determined by recovering ...