Journal of Computational and Nonlinear Dynamics: Recent submissions
Now showing items 1121-1140 of 1786
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Rotor Dynamics Behavior of Tilting Pad Bearing Supported Turbo Expander Considering Temperature Gradient
(The American Society of Mechanical Engineers (ASME), 2016)This paper dedicates on the rotor dynamics behavior analysis on a tilting pad bearing supported turboexpander rotor system considering temperature gradient. Both numerical and experimental investigations are conducted ... -
Nonlinear Dynamics of Carbon Nanotubes Under Large Electrostatic Force
(The American Society of Mechanical Engineers (ASME), 2016)Because of the inherent nonlinearities involving the behavior of carbon nanotubes (CNTs) when excited by electrostatic forces, modeling and simulating their behavior are challenging. The complicated form of the electrostatic ... -
Exact Time Integration for Dynamic Interaction of High Speed Train and Railway Structure Including Derailment During an Earthquake
(The American Society of Mechanical Engineers (ASME), 2016)A robust and efficient computational method to solve the dynamic interaction of a highspeed train and railway structure including derailment during an earthquake is given. Mechanical models to express contact–impact ... -
Nonlinear Vibration Analysis of Single Walled Carbon Nanotube With Shell Model Based on the Nonlocal Elasticity Theory
(The American Society of Mechanical Engineers (ASME), 2016)In this paper, nonlinear vibration of a singlewalled carbon nanotube (SWCNT) with simply supported ends is investigated based on von Karman's geometric nonlinearity and nonlocal shell theory. The SWCNT is designated as an ... -
Initialization of Identification of Fractional Model by Output Error Technique
(The American Society of Mechanical Engineers (ASME), 2016)A bad initialization of outputerror (OE) technique can lead to an inappropriate identification results. In this paper, we introduce a solution to this problem; the basic idea is to estimate the parameters and the fractional ... -
Alternating Frequency–Time Finite Element Method: High Fidelity Modeling of Nonlinear Wave Propagation in One Dimensional Waveguides
(The American Society of Mechanical Engineers (ASME), 2016)In this paper, a spectral finite element method (SFEM) based on the alternating frequency–time (AFT) framework is extended to study impact wave propagation in a rod structure with a general material nonlinearity. The ... -
Mechanics Based Interactive Modeling for Medical Flexible Needle Insertion in Consideration of Nonlinear Factors
(The American Society of Mechanical Engineers (ASME), 2016)A mechanicsbased model of flexible needle insertion into soft tissue is presented in this paper. Different from the existing kinematic model, a new model has been established based on the quasistatic principle, which also ... -
Passive Dynamics Explain Quadrupedal Walking, Trotting, and Tأ¶lting
(The American Society of Mechanical Engineers (ASME), 2016)This paper presents a simplistic passive dynamic model that is able to create realistic quadrupedal walking, tأ¶lting, and trotting motions. The model is inspired by the bipedal spring loaded inverted pendulum (SLIP) model ... -
Shock Mitigation by Means of Low to High Frequency Nonlinear Targeted Energy Transfers in a Large Scale Structure
(The American Society of Mechanical Engineers (ASME), 2016)In this computational study, the implementation of passive nonlinear vibroimpact attachments (termed nonlinear energy sinks (NESs)) for shock mitigation of an otherwise linear multistory largescale structure is investigated. ... -
Wear Analysis of Two Revolute Joints With Clearance in Multibody Systems
(The American Society of Mechanical Engineers (ASME), 2016)The wear of multiple joints with clearance is one of the main impacts on the life of mechanical systems while very limited study has been done on this subject. To be different with many existed researches focused on the ... -
Approximate Controllability of Partial Fractional Neutral Integro Differential Inclusions With Infinite Delay in Hilbert Spaces
(The American Society of Mechanical Engineers (ASME), 2016)We study the approximate controllability of a class of fractional partial neutral integrodifferential inclusions with infinite delay in Hilbert spaces. By using the analytic خ±resolvent operator and the fixed point theorem ... -
Efficient Models of Three Dimensional Tilting Pad Journal Bearings for the Study of the Interactions Between Rotor and Lubricant Supply Plant
(The American Society of Mechanical Engineers (ASME), 2016)In many industrial applications, tilting pad journal bearings (TPJBs) are increasingly used because they are very suitable both for highspeed and high external loads. Their study is fundamental in rotating machines and a ... -
Analytical Solution of Fractional Order Diffusivity Equation With Wellbore Storage and Skin Effects
(The American Society of Mechanical Engineers (ASME), 2016)This paper addresses the model, solution, and analysis of fluid flow behavior in fractal reservoirs considering wellbore storage and skin effects (WS–SE). In the light of the fractional calculus (FC), the general form ... -
Stabilized Implicit Cosimulation Method: Solver Coupling With Algebraic Constraints for Multibody Systems
(The American Society of Mechanical Engineers (ASME), 2016)In this manuscript, an implicit cosimulation method is analyzed, where the solvers are coupled by algebraic constraint equations. We discuss cosimulation approaches on index2 and on index1 level and investigate constant, ... -
On Some Problems With Modeling of Coulomb Friction in Self Locking Mechanisms
(The American Society of Mechanical Engineers (ASME), 2016)Friction significantly influences the mechanical system dynamics, especially when selflocking property is observed. The Coulomb model is frequently adopted to represent friction in multibody analysis and simulation. It can ... -
Recursive Least Squares Identification Algorithms for Multiple Input Nonlinear Box–Jenkins Systems Using the Maximum Likelihood Principle
(The American Society of Mechanical Engineers (ASME), 2016)Multipleinput multipleoutput systems can be decomposed into several multipleinput singleoutput systems. This paper studies identification problems of multipleinput singleoutput nonlinear Box–Jenkins systems. In order to ... -
Parametric Instability of Dual Ring Structure With Motionless and Moving Supports
(The American Society of Mechanical Engineers (ASME), 2016)This work is to study parametric vibration of a dualring structure through analytical and numerical methods by focusing on the relationships between basic parameters and parametric instability. An elastic dualring model ... -
An Efficient Dissipative Particle Dynamics Based Algorithm for Simulating Ferromagnetic Colloidal Suspensions
(The American Society of Mechanical Engineers (ASME), 2016)In this paper, the algorithm, Euler schemethe modified velocityverlet algorithm (ESMVVA) based on dissipative particle dynamics (DPD) method, is applied to simulate a twodimensional ferromagnetic colloidal suspension. The ... -
Effect of Electromagnetic Actuation on Contact Loss in a Hertzian Contact Oscillator
(The American Society of Mechanical Engineers (ASME), 2015)The effect of electromagnetic actuation (EMA) on the dynamic of a singlesided Hertzian contact forced oscillator is studied near primary and secondary resonances. Emphasis is put on the case where two symmetric EMAs are ... -
Computing Schemes for Longitudinal Train Dynamics: Sequential, Parallel and Hybrid
(The American Society of Mechanical Engineers (ASME), 2015)Conventionally, force elements in longitudinal train dynamics (LTD) are determined sequentially. Actually, all these force elements are independent from each other, i.e., determination of each one does not require inputs ...