Journal of Computational and Nonlinear Dynamics: Recent submissions
Now showing items 461-480 of 1786
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Analysis on In-Plane 2:2:1 Internal Resonance of a Complex Cable-Stayed Bridge System Under External Harmonic Excitation
(The American Society of Mechanical Engineers (ASME), 2021)Nonlinear dynamic analysis of a cable-stayed bridge has been a hot topic due to its structural flexibility. Based on integro-partial differential equations of a double-cable-stayed shallow-arch model, in-plane 2:2:1 internal ... -
Pole Placement for Delay Differential Equations With Time-Periodic Delays Using Galerkin Approximations
(The American Society of Mechanical Engineers (ASME), 2021)Many practical systems have inherent time delays that cannot be ignored; thus, their dynamics are described using delay differential equations (DDEs). The Galerkin approximation method is one strategy for studying the ... -
New Breather and Multiple-Wave Soliton Dynamics for Generalized Vakhnenko–Parkes Equation With Variable Coefficients
(The American Society of Mechanical Engineers (ASME), 2021)In investigation is the generalized Vakhnenko–Parkes equation with time-dependent coefficients, which is a new nonlinear model connecting to high-frequency wave propagation in relaxing media with variable perturbations. ... -
Using Energy Shaping and Regulation for Limit Cycle Stabilization, Generation, and Transition in Simple Locomotive Systems
(The American Society of Mechanical Engineers (ASME), 2021)This paper explores new ways to use energy shaping and regulation methods in walking systems to generate new passive-like gaits and dynamically transition between them. We recapitulate a control framework for Lagrangian ... -
Numerical Methods to Compute the Coriolis Matrix and Christoffel Symbols for Rigid-Body Systems
(The American Society of Mechanical Engineers (ASME), 2021)This article presents methods to efficiently compute the Coriolis matrix and underlying Christoffel symbols (of the first kind) for tree-structure rigid-body systems. The algorithms can be executed purely numerically, ... -
On the Nature of Equilibrium Points in the Axisymmetric Five-Body Problem
(The American Society of Mechanical Engineers (ASME), 2021)The aim of this work is to numerically investigate the nature of the equilibrium points of the axisymmetric five-body problem. Specifically, we consider two cases regarding the convex or concave configuration of the four ... -
Statics and Dynamics of V-Shaped Microbeams Under Axial Forces
(The American Society of Mechanical Engineers (ASME), 2021)This work proposes an examination into the static and dynamic behaviors of in-plane V-shaped microbeam under both electric forces and axial loads. The microbeams are actuated with two separate electrodes of uniform air gap ... -
Two-Dimensional Modeling of Nonlinear Dynamics of Forcespinning Jet Formation
(The American Society of Mechanical Engineers (ASME), 2021)Forcespinning is a novel method that makes use of centrifugal forces to produce nanofibers rapidly and at high yields. To improve and enhance the forcespinning production method, a 2D computational forcespinning inviscid ... -
Enhancing Hierarchical Multiscale Off-Road Mobility Model by Neural Network Surrogate Model
(The American Society of Mechanical Engineers (ASME), 2021)A hierarchical multiscale off-road mobility model is enhanced through the development of an artificial neural network (ANN) surrogate model that captures the complex material behavior of deformable terrain. By exploiting ... -
An Information Theoretic Study of a Duffing Oscillator Array Reservoir Computer
(The American Society of Mechanical Engineers (ASME), 2021)Typically, nonlinearity is considered to be problematic and sometimes can lead to dire consequences. However, the nonlinearity in a Duffing oscillator array can enhance its ability to be used as a reservoir computer. Machine ... -
Dynamic Characteristics Analysis of a Seal-Rotor System With Rub-Impact Fault
(The American Society of Mechanical Engineers (ASME), 2021)Labyrinth seals are widely used to prevent fluid leakage in high-low pressure areas of the rotating machinery. However, the rub-impact fault easily occurs in labyrinth seals. Considering the influence of gyroscopic effect, ... -
Predictive Trajectory Tracking Algorithm of Underactuated Systems Based on the Calculus of Variations
(The American Society of Mechanical Engineers (ASME), 2021)The tracking control of underactuated systems is a challenging problem due to the structural differences compared to fully actuated systems. Contrarily to fully actuated systems, resolving the inverse kinematics problem ... -
Solving Time Fractional Schrödinger Equation in the Sense of Local Fractional Derivative
(The American Society of Mechanical Engineers (ASME), 2021)The motivation of the study is solving the mathematical problems including time fractional Schrödinger equation by means of a method which is a combination of Chebyshev collocation method and residual power series method ... -
Vortex-Induced Vibrations of Two Degrees-of-Freedom Sprung Cylinder With a Rotational Nonlinear Energy Sink: A Numerical Investigation
(The American Society of Mechanical Engineers (ASME), 2021)Vortex-induced vibration (VIV) is a common fluid–structure interaction phenomenon in the field of wind engineering and marine engineering. The large-amplitude VIV has a marked impact on the slender structure in fluids, at ... -
Augmented Perpetual Manifolds and Perpetual Mechanical Systems—Part I: Definitions, Theorem, and Corollary for Triggering Perpetual Manifolds, Application in Reduced-Order Modeling and Particle-Wave Motion of Flexible Mechanical Systems
(The American Society of Mechanical Engineers (ASME), 2021)Perpetual points in mechanical systems were defined recently. Herein, they are used to seek specific solutions of N-degrees-of-freedom systems, and their significance in mechanics is discussed. In discrete linear mechanical ... -
Curved Ballasted Track–Vehicle Dynamic Interaction: Effects of Curve Radius and Track Structural Nonlinearity
(The American Society of Mechanical Engineers (ASME), 2021)In this work, a model for characterizing the ballasted track–vehicle interaction is presented. The vehicle is modeled as a multirigid-body system consisting of a car body, two bogie frames, and four wheelsets, and the track ... -
Investigation of the Vibration Features and Dynamic Load Sharing Characteristics of Concentric Face Gear Torque Split Transmission
(The American Society of Mechanical Engineers (ASME), 2021)A concentric face gear torque split system used in the helicopter main transmission to transfer more power and reduce the structure weight is introduced. A mathematical model is proposed to analyze the vibration characteristics ... -
An Estimate of the Bound of the Lyapunov Exponents for Caputo–Hadamard Fractional Differential System
(The American Society of Mechanical Engineers (ASME), 2021)This paper is devoted to estimating the bound of the Lyapunov exponents for the Caputo–Hadamard fractional differential system. First, using the Gronwall inequality, we analyze the continuous dependence of the solution to ... -
Jacobi Stability of Simple Chaotic Systems With One Lyapunov Stable Equilibrium
(The American Society of Mechanical Engineers (ASME), 2021)This paper presents Jacobi stability analysis of 23 simple chaotic systems with only one Lyapunov stable equilibrium by Kosambi–Cartan–Chern theory, and analyzes the chaotic behavior of these systems from the geometric ... -
Nonlinear Dynamics of the Parametric Pendulum With a View on Wave Energy Harvesting Applications
(The American Society of Mechanical Engineers (ASME), 2021)In this article, nonlinear dynamics tools are employed to quantify the ability of pendulum harvesters to recover energy from the sea waves. The versatility of pendulum harvesters is highlighted, as it is shown that devices ...