Journal of Computational and Nonlinear Dynamics: Recent submissions
Now showing items 621-640 of 1786
-
A Novel Method for Solving the Bagley-Torvik Equation as Ordinary Differential Equation
(American Society of Mechanical Engineers (ASME), 2019)We present a novel method to solve the Bagley-Torvik equation by transforming it into ordinary differential equations (ODEs). This method is based on the equivalence between the Caputo-type fractional derivative (FD) of ... -
A New Cluster-Based Harmonic Balance Aided Optimization Procedure With Application to Nonlinear Vibration Absorbers
(American Society of Mechanical Engineers (ASME), 2019)This work presents a new strategy in design optimization of nonlinear vibration absorbers with continuous and discontinuous motions. A cluster-based harmonic balance aided optimization technique using force balance or ... -
Superharmonic Resonance of Fractional-Order Mathieu–Duffing Oscillator
(American Society of Mechanical Engineers (ASME), 2019)The superharmonic resonance of fractional-order Mathieu–Duffing oscillator subjected to external harmonic excitation is investigated. Based on the Krylov–Bogolubov–Mitropolsky (KBM) asymptotic method, the approximate ... -
Hyper-Reduction Over Nonlinear Manifolds for Large Nonlinear Mechanical Systems
(American Society of Mechanical Engineers (ASME), 2019)Common trends in model reduction of large nonlinear finite element (FE)-discretized systems involve Galerkin projection of the governing equations onto a low-dimensional linear subspace. Though this reduces the number of ... -
Optimization of Energy Harvesting From Stall-Induced Oscillations Using the Multidimensional Kriging Metamodel
(American Society of Mechanical Engineers (ASME), 2019)The power harvested from stall-induced oscillations of airfoils has been analyzed as a potential source of electric energy for microsystems. Previous works have indicated that the energy harvested from such oscillations ... -
A Finite Element Modeling Framework for Planar Curved Beam Dynamics Considering Nonlinearities and Contacts
(American Society of Mechanical Engineers (ASME), 2019)Motivated by modeling directional drilling dynamics where planar curved beams undergo small displacements, withstand high compression forces, and are in contact with an external wall, this paper presents an finite element ... -
A Detailed Look at the SLIP Model Dynamics: Bifurcations, Chaotic Behavior, and Fractal Basins of Attraction
(American Society of Mechanical Engineers (ASME), 2019)This paper provides a comprehensive numerical analysis of a simple 2D model of running, the spring-loaded inverted pendulum (SLIP). The model consists of a point-mass attached to a massless spring leg; the leg angle at ... -
Calibration of an Articulated Vehicle Model and Analysis of Friction Model in the Connection Between Two Vehicle Units
(American Society of Mechanical Engineers (ASME), 2019)This paper describes models of dynamics for articulated vehicles (tractor with a semitrailer and a tractor with a trailer). The models are obtained by using joint coordinates and homogenous transformations. Yawing velocities ... -
Dynamic Modeling and Response Analysis of a Planar Rigid-Body Mechanism With Clearance
(American Society of Mechanical Engineers (ASME), 2019)In order to understand dynamic responses of planar rigid-body mechanism with clearance, the dynamic model of the mechanism with revolute clearance is proposed and the dynamic analysis is realized. First, the kinematic model ... -
Calculating Positive Invariant Sets: A Quantifier Elimination Approach
(American Society of Mechanical Engineers (ASME), 2019)A Lyapunov-based approach for calculating positive invariant sets in an automatic manner is presented. This is done using real algebraic geometry techniques, which are summed up under the term quantifier elimination (QE). ... -
Self-Excited and Hidden Attractors in an Autonomous Josephson Jerk Oscillator: Analysis and Its Application to Text Encryption
(American Society of Mechanical Engineers (ASME), 2019)By converting the resistive capacitive shunted junction model to a jerk oscillator, an autonomous chaotic Josephson jerk oscillator which can belong to oscillators with hidden and self-excited attractors is designed. The ... -
Vibration Characteristics of a Hydroelectric Generating System During the Load Rejection Process
(American Society of Mechanical Engineers (ASME), 2019)Forces and moments increase rapidly in complex interactions while maintaining stability of the shaft for the hydroelectric generating system in the load rejection process. These interactions caused by factors such as the ... -
Hierarchical Multiscale Modeling of Tire–Soil Interaction for Off-Road Mobility Simulation
(American Society of Mechanical Engineers (ASME), 2019)A high-fidelity computational terrain dynamics model plays a crucial role in accurate vehicle mobility performance prediction under various maneuvering scenarios on deformable terrain. Although many computational models ... -
Understanding the Effects of a Discrete Element Soil Model's Parameters on Ground Vehicle Mobility
(American Society of Mechanical Engineers (ASME), 2019)The Army's mission is to develop, integrate, and sustain the right technology solution for all manned and unmanned ground vehicles, and mobility is a key requirement for all ground vehicles. Mobility focuses on ground ... -
Adaptive Synchronization of Complex Dynamical Networks in Presence of Coupling Connections With Dynamical Behavior
(American Society of Mechanical Engineers (ASME), 2019)In this paper, the synchronization of complex dynamical networks (CDNs) is investigated, where coupling connections are expressed in terms of state-space equations. As it is shown in simulation results, such links can ... -
Mode Analysis on Onset of Turing Instability in Time-Fractional Reaction-Subdiffusion Equations by Two-Dimensional Numerical Simulations
(American Society of Mechanical Engineers (ASME), 2019)There are two types of time-fractional reaction-subdiffusion equations for two species. One of them generalizes the time derivative of species to fractional order, while in the other type, the diffusion term is differentiated ... -
Multidimensional Approximation of Nonlinear Dynamical Systems
(American Society of Mechanical Engineers (ASME), 2019)A key task in the field of modeling and analyzing nonlinear dynamical systems is the recovery of unknown governing equations from measurement data only. There is a wide range of application areas for this important instance ... -
Multi-Objective Model Updating Optimization Considering Orthogonality
(American Society of Mechanical Engineers (ASME), 2019)The coordinate orthogonality check (CORTHOG) and multi-objective optimization considering pseudo-orthogonality as an objective function are introduced to overcome several limitations present in current model updating ... -
Numerical Algorithms for Simulation of One-Dimensional Mechanical Systems With Clearance-Type Nonlinearities
(American Society of Mechanical Engineers (ASME), 2019)In many mechanical systems there are nonlinearities of clearance type. This type of nonlinearity often causes problems with convergence and accuracy in simulations, due to the discontinuities at impact. For systems with ... -
Insight Into the Drift Motion of a Bouncing Asymmetric Dimer
(American Society of Mechanical Engineers (ASME), 2019)The drift motion of an asymmetric dimer bouncing on a harmonically vibrating plate is addressed in this paper. The direction of this motion is determined by the behavior of the dimer during a double impact. Namely, if the ...