Journal of Computational and Nonlinear Dynamics: Recent submissions
Now showing items 1241-1260 of 1786
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Galerkin Approximations for Stability of Delay Differential Equations With Time Periodic Coefficients
(The American Society of Mechanical Engineers (ASME), 2015)A numerical method to determine the stability of delay differential equations (DDEs) with time periodic coefficients is proposed. The DDE is converted into an equivalent partial differential equation (PDE) with a time ... -
An Accurate Jacobi Pseudospectral Algorithm for Parabolic Partial Differential Equations With Nonlocal Boundary Conditions
(The American Society of Mechanical Engineers (ASME), 2015)A new spectral Jacobi–Gauss–Lobatto collocation (J–GL–C) method is developed and analyzed to solve numerically parabolic partial differential equations (PPDEs) subject to initial and nonlocal boundary conditions. ... -
Fatigue Life of Curved Panels Under Combined Loading
(The American Society of Mechanical Engineers (ASME), 2015)The nonlinear response of shallow shells subjected to combined acoustic and thermal loads is analyzed using an efficient nonlinear modal finite element (FE) formulation. The acoustic loads have nonGaussian probabilistic ... -
A Physics Based Musculoskeletal Driver Model to Study Steering Tasks
(The American Society of Mechanical Engineers (ASME), 2015)Realistic driver models can play an important role in developing new driver assistance technologies. A realistic driver model can reduce the timeconsuming trialanderror process of designing and testing products, and thereby ... -
Use of ANCF Surface Geometry in the Rigid Body Contact Problems: Application to Railroad Vehicle Dynamics
(The American Society of Mechanical Engineers (ASME), 2015)In the analysis of multibody system (MBS) dynamics, contact between two arbitrary rigid bodies is a fundamental feature in a variety of models. Many procedures have been proposed to solve the rigid body contact problem, ... -
Strongly Nonlinear Subharmonic Resonance and Chaotic Motion of Axially Moving Thin Plate in Magnetic Field
(The American Society of Mechanical Engineers (ASME), 2015)In this paper, the nonlinear vibration and chaotic motion of the axially moving currentconducting thin plate under external harmonic force in magnetic field is studied. Improved multiplescale method is employed to derive ... -
Accuracy and Reliability of Piecewise Constant Method in Studying the Responses of Nonlinear Dynamic Systems
(The American Society of Mechanical Engineers (ASME), 2015)Accuracy and reliability of the numerical simulations for nonlinear dynamical systems are investigated with fourthorder Runge–Kutta method and a newly developed piecewiseconstant (PT) method. Nonlinear dynamic systems ... -
Nonlinear Analysis of Mineral Wool Fiberization Process
(The American Society of Mechanical Engineers (ASME), 2015)In this paper, the mineral wool fiberization process on a spinner wheel was studied by means of the nonlinear time series analysis. Melt film velocity time series was calculated using computeraided visualization of the ... -
Stability and Bifurcation Analysis of an Asymmetrically Electrostatically Actuated Microbeam
(The American Society of Mechanical Engineers (ASME), 2015)This paper deals with the study of bifurcational behavior of a capacitive microbeam actuated by asymmetrically located electrodes in the upper and lower sides of the microbeam. A distributed and a modified two degree of ... -
Dynamic Optimization of Human Running With Analytical Gradients
(The American Society of Mechanical Engineers (ASME), 2015)The optimizationbased dynamic prediction of 3D human running motion is studied in this paper. A predictive dynamics method is used to formulate the running problem, and normal running is formulated as a symmetric and cyclic ... -
Numerical Scheme for a Quadratic Type Generalized Isoperimetric Constraint Variational Problems With A Operator
(The American Society of Mechanical Engineers (ASME), 2015)This paper presents a numerical scheme for a class of isoperimetric constraint variational problems (ICVPs) defined in terms of an Aoperator introduced recently. In this scheme, Bernstein's polynomials are used to approximate ... -
Intrinsic Localized Modes of Harmonic Oscillations in Pendulum Arrays Subjected to Horizontal Excitation
(The American Society of Mechanical Engineers (ASME), 2015)The behavior of intrinsic localized modes (ILMs) is investigated for an array with N pendula which are connected with each other by weak, linear springs when the array is subjected to horizontal, sinusoidal excitation. In ... -
Natural Frequency Computation of Parallel Robots
(The American Society of Mechanical Engineers (ASME), 2015)The characterization of the elastodynamic behavior and natural frequencies of parallel robots is a crucial point. Accurate elastodynamic models of parallel robots are useful at both their design and control stages in order ... -
Singularities in Differential Algebraic Boundary Value Problems Governing the Excitation Response of Beam Structures
(The American Society of Mechanical Engineers (ASME), 2015)The objective of this paper2 is to identify and, where possible, resolve singularities that may arise in the discretization of spatiotemporal boundaryvalue problems governing the steadystate behavior of nonlinear beam ... -
Modeling Inelastic Collisions With the Hunt–Crossley Model Using the Energetic Coefficient of Restitution
(The American Society of Mechanical Engineers (ASME), 2015)Modeling collision and contact accurately is essential to simulating many multibody systems. The three parameter Hunt–Crossley model is a continuous collision model for representing the contact dynamics of viscoelastic ... -
Robust Stabilization of a Class of Nonaffine Quadratic Polynomial Systems: Application in Magnetic Ball Levitation System
(The American Society of Mechanical Engineers (ASME), 2015)In this paper, a new approach is suggested for asymptotic stabilization of a class of nonaffine quadratic polynomial systems in the presence of uncertainties. The designed controller is based on the sliding mode (SM) ... -
Modeling Flexibility in Myosin V Using a Multiscale Articulated Multi Rigid Body Approach
(The American Society of Mechanical Engineers (ASME), 2015)This paper presents a multiscale dynamic model for the simulation and analysis of flexibility in myosin V. A 3D finite segment model, a multirigid body model connected with torsional springs, is developed to mechanically ... -
Excitation Induced Stability in a Bistable Duffing Oscillator: Analysis and Experiments
(The American Society of Mechanical Engineers (ASME), 2015)The excitationinduced stability (EIS) phenomenon in a harmonically excited bistable Duffing oscillator is studied in this paper. Criteria to predict system and excitation conditions necessary to maintain EIS are derived ... -
Asymmetric Magnet Based Nonlinear Energy Sink
(The American Society of Mechanical Engineers (ASME), 2015)The nonlinear energy sink (NES) is a lightweighted device used for shock mitigation in dynamic structures through its passive targeted energy transfer (TET) mechanism. Here, a new design for the NES is introduced based on ... -
Dynamic Analysis of Cable Driven Parallel Manipulators Using a Variable Length Finite Element
(The American Society of Mechanical Engineers (ASME), 2015)Cabledriven parallel manipulator (CDPM) is a good solution to achieving large workspace. However, unavoidable vibrations of long cables can dramatically degrade the positioning performance in large workspace applications. ...