Journal of Computational and Nonlinear Dynamics: Recent submissions
Now showing items 1381-1400 of 1786
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The Fractional Linear Systems of Equations Within an Operational Approach
(The American Society of Mechanical Engineers (ASME), 2013)Fractional calculus is a rapidly going area from both experimental and theoretical points of view. As a result new methods and techniques should be developed in order to deal with new types of fractional differential ... -
Numerical Analysis of the Grasp Configuration of a Planar 3 DOF Linkage Driven Underactuated Finger
(The American Society of Mechanical Engineers (ASME), 2013)This paper proposes a novel method to investigate the grasp sequence of an underactuated (a.k.a. adaptive) finger with three degrees of freedom but only one actuator and find its final configuration. This method considers ... -
Description and Validation of a Finite Element Model of Backflow During Infusion Into a Brain Tissue Phantom
(The American Society of Mechanical Engineers (ASME), 2013)An axisymmetric biphasic finite element model is proposed to simulate the backflow that develops around the external boundary of the catheter during flowcontrolled infusions. The model includes both material and geometric ... -
Equivalence of History Function Based and Infinite Dimensional State Initializations for Fractional Order Operators
(The American Society of Mechanical Engineers (ASME), 2013)Proper initialization of fractionalorder operators has been an ongoing problem, particularly in the application of Laplace transforms with correct initialization terms. In the last few years, a historyfunctionbased ... -
Subharmonic Resonance Cascades in a Class of Coupled Resonators
(The American Society of Mechanical Engineers (ASME), 2013)We consider a chain of N nonlinear resonators with natural frequency ratios of approximately 2:1 along the chain and weak nonlinear coupling that allows energy to flow between resonators. Specifically, the coupling is such ... -
Numerical Stability Analysis of Linear Incommensurate Fractional Order Systems
(The American Society of Mechanical Engineers (ASME), 2013)We present a method for detecting right half plane (RHP) roots of fractional order polynomials. It is based on a Nyquistlike criterion with a systemdependent contour which includes all RHP roots. We numerically count the ... -
Global Bifurcations of Mean Electric Field in Plasma L–H Transition Under External Bounded Noise Excitation
(The American Society of Mechanical Engineers (ASME), 2013)In this paper, global bifurcations and chaotic dynamics under bounded noise perturbation for the nonlinear normalized radial electric field near plasma are investigated using the Melnikov method. From this analysis, we get ... -
Three Dimensional Fully Parameterized Triangular Plate Element Based on the Absolute Nodal Coordinate Formulation
(The American Society of Mechanical Engineers (ASME), 2013)In this work, a new threedimensional fully parameterized triangular plate element based on the absolute nodal coordinate formulation (ANCF) is introduced. This plate element has 12 coordinates per node; therefore, it can ... -
Finite Element Modeling of the Contact Geometry and Deformation in Biomechanics Applications1
(The American Society of Mechanical Engineers (ASME), 2013)The main contribution of this paper is to demonstrate the feasibility of using one computational environment for developing accurate geometry as well as performing the analysis of detailed biomechanics models. To this end, ... -
Complex Orthogonal Decomposition Applied to Nematode Posturing
(The American Society of Mechanical Engineers (ASME), 2013)The complex orthogonal decomposition (COD), a process of extracting complex modes from complex ensemble data, is summarized, as is the use of complex modal coordinates. A brief assessment is made on how small levels of ... -
Constrained Optimization Shooting Method for Predicting the Periodic Solutions of Nonlinear System
(The American Society of Mechanical Engineers (ASME), 2013)An original method for calculating the maximum vibration amplitude of the periodic solution of a nonlinear system is presented. The problem of determining the worst maximum vibration is transformed into a nonlinear ... -
Passive Dynamic Biped Walking—Part II: Stability Analysis of the Passive Dynamic Gait
(The American Society of Mechanical Engineers (ASME), 2013)Passive dynamic walking is an excellent tool for evaluating biped stability measures, due to its simplicity, but an understanding of the stability, in the classical definition, is required. The focus of this paper is on ... -
Passive Dynamic Biped Walking—Part I: Development and Validation of an Advanced Model
(The American Society of Mechanical Engineers (ASME), 2013)Passive dynamic walking is a manner of walking developed, partially or in whole, by the energy provided by gravity. Studying passive dynamic walking provides insight into human walking and is an invaluable tool for designing ... -
Intrinsic Localized Modes of Harmonic Oscillations in Nonlinear Oscillator Arrays
(The American Society of Mechanical Engineers (ASME), 2013)Intrinsic localized modes (ILMs) are investigated in an array with N Duffing oscillators that are weakly coupled with each other when each oscillator is subjected to sinusoidal excitation. The purpose of this study is to ... -
Efficient Parallel Simulation of Large Flexible Body Systems With Multiple Contacts
(The American Society of Mechanical Engineers (ASME), 2013)This contribution outlines a computational framework for the analysis of flexible multibody dynamics contact problems. The framework combines a flexible body formalism, specifically, the absolute nodal coordinate formulation ... -
Nonlinear Dynamic Probabilistic Analysis for Turbine Casing Radial Deformation Using Extremum Response Surface Method Based on Support Vector Machine
(The American Society of Mechanical Engineers (ASME), 2013)To improve the computational efficiency of nonlinear dynamic probabilistic analysis for aeroengine typical components, an extremum response surface method based on the support vector machine (SVM ERSM) was proposed in this ... -
Almost Periodic Solutions for a Class of Stochastic Differential Equations
(The American Society of Mechanical Engineers (ASME), 2013)In this paper, the existence and uniqueness of the squaremean almost periodic solutions to a class of the semilinear stochastic equations is studied. In particular, the condition of the uniform exponential stability of the ... -
Nonlinear Model Identification From Multiple Data Sets Using an Orthogonal Forward Search Algorithm
(The American Society of Mechanical Engineers (ASME), 2013)A basic assumption on the data used for nonlinear dynamic model identification is that the data points are continuously collected in chronological order. However, there are situations in practice where this assumption does ... -
Robust Stability and Stabilization of Fractional Order Systems Based on Uncertain Takagi Sugeno Fuzzy Model With the Fractional Order 1≤v < 2
(The American Society of Mechanical Engineers (ASME), 2013)This paper addresses the problems of the robust stability and stabilization for fractional order systems based on the uncertain TakagiSugeno fuzzy model. A sufficient and necessary condition of asymptotical stability for ... -
Visualizing Non Linear Control System Performance by Means of Multidimensional Scaling
(The American Society of Mechanical Engineers (ASME), 2013)This paper addresses the use of multidimensional scaling in the evaluation of controller performance. Several nonlinear systems are analyzed based on the closed loop time response under the action of a reference step input ...