Journal of Computational and Nonlinear Dynamics: Recent submissions
Now showing items 1281-1300 of 1786
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The Use of Servo Constraints in the Inverse Dynamics Analysis of Underactuated Multibody Systems
(The American Society of Mechanical Engineers (ASME), 2014)Underactuated mechanical systems have fewer control inputs than degrees of freedom. The specified in time outputs, equal in number to the number of inputs, lead to servoconstraints on the system. The servoconstraint problem ... -
A Lookup Table Based Approach for Spatial Analysis of Contact Problems
(The American Society of Mechanical Engineers (ASME), 2014)The aim of this work is to present an efficient methodology to deal with general 3Dcontact problems. This approach embraces three steps: geometrical definition of 3D surfaces, detection of the candidate contact points, and ... -
Graph Theoretic Sensitivity Analysis of Multibody Systems
(The American Society of Mechanical Engineers (ASME), 2014)A graphtheoretic formulation to perform sensitivity analysis on multibody systems is presented in this article. In this formulation, linear graphs are used to capture the system topologies from which a graphtheoretic ... -
New and Extended Applications of the Divide and Conquer Algorithm for Multibody Dynamics
(The American Society of Mechanical Engineers (ASME), 2014)This work presents a survey of the current and ongoing research by the authors who use the divideandconquer algorithm (DCA) to reduce the computational burden associated with various aspects of multibody dynamics. This ... -
Guest Editorial
(The American Society of Mechanical Engineers (ASME), 2014)Multibody system (MBS) dynamics is a very open discipline in the sense that different authors propose drastically different approaches. Several steps are required to address the simulation of a multibody system: modeling, ... -
A Simple Procedure for the Solution of Three Dimensional Wheel/Rail Conformal Contact Problem
(The American Society of Mechanical Engineers (ASME), 2014)This paper describes a simple and efficient procedure for the treatment of conformal contact conditions with special emphasis on railroad wheel/rail contacts. The general threedimensional nonconformal contact conditions ... -
Motion Planning of Uncertain Ordinary Differential Equation Systems
(The American Society of Mechanical Engineers (ASME), 2014)This work presents a novel motion planning framework, rooted in nonlinear programming theory, that treats uncertain fully and underactuated dynamical systems described by ordinary differential equations. Uncertainty in ... -
Advances in the Application of the Divide and Conquer Algorithm to Multibody System Dynamics
(The American Society of Mechanical Engineers (ASME), 2014)This paper summarizes the various recent advancements achieved by utilizing the divideandconquer algorithm (DCA) to reduce the computational burden associated with many aspects of modeling, designing, and simulating ... -
An Efficient Formulation for General Purpose Multibody/Multiphysics Analysis
(The American Society of Mechanical Engineers (ASME), 2014)This paper presents a formulation for the efficient solution of generalpurpose multibody/multiphysics problems. The core equations and details on structural dynamics and finite rotations handling are presented. The solution ... -
Third Order Continuous Discrete Filtering for a Nonlinear Dynamical System
(The American Society of Mechanical Engineers (ASME), 2014)Approximate higherorder filters are more attractive and popular in control and signal processing literature in contrast to the exact filter, since the analytical and numerical solutions of the nonlinear exact filter are ... -
A Formulation on the Special Euclidean Group for Dynamic Analysis of Multibody Systems
(The American Society of Mechanical Engineers (ASME), 2014)This paper presents a finite element approach of multibody systems using the special Euclidean group SE(3) framework. The development leads to a compact and unified mixed coordinate formulation of the rigid bodies and the ... -
Response of Fractional Oscillators With Viscoelastic Term Under Random Excitation
(The American Society of Mechanical Engineers (ASME), 2014)A system with fractional damping and a viscoelastic term subject to narrowband noise is considered in this paper. Based on the revisit of the Lindstedt–Poincarأ© (LP) and multiple scales method, we present a new procedure ... -
Modeling and Analysis of an Electrically Actuated Microbeam Based on Nonclassical Beam Theory
(The American Society of Mechanical Engineers (ASME), 2014)This work investigates the mechanical behavior of a clampedclamped microbeam modeled within the framework of the straingradient elasticity theory. The governing equation of motion gives proper account of both the effect ... -
Forward Dynamic Optimization of Human Gait Simulations: A Global Parameterization Approach
(The American Society of Mechanical Engineers (ASME), 2014)This study presents a 2D gait model that uses global parameterization within an optimal control approach and a hypervolumetric foot contact model. The model is simulated for an entire gait stride, i.e., two full steps. ... -
On the Relation of the Principle of Maximum Dissipation to the Principles of Jourdain and Gauss for Rigid Body Systems
(The American Society of Mechanical Engineers (ASME), 2014)A dissipation based definition of the principle of Jourdain is presented for rheonomic (explicitly time dependent) mechanical systems, which evolve under the influence of convex dissipation potentials. It is shown, that ... -
Complex Dynamics of Spring Block Earthquake Model Under Periodic Parameter Perturbations
(The American Society of Mechanical Engineers (ASME), 2014)A simple model of earthquake nucleation that may account for the onset of chaotic dynamics is proposed and analyzed. It represents a generalization of the Burridge–Knopoff singleblock model with Dieterich–Ruina's rateand ... -
A Numerical Model to Study the Effects of Aluminum Foam Filler on the Dynamic Behavior of a Steel Tubular Energy Absorber Using a Multi Node Displacement Evaluation Procedure
(The American Society of Mechanical Engineers (ASME), 2014)Tubular energy absorbers are usually found in the structures of cars, trains, and other means of transportation. They can absorb high levels of impact energy by plastic deformation during axial folding. The key advantages ... -
A Kriging Model for Dynamics of Mechanical Systems With Revolute Joint Clearances
(The American Society of Mechanical Engineers (ASME), 2014)Over the past two decades, extensive work has been conducted on the dynamic effect of joint clearances in multibody mechanical systems. In contrast, little work has been devoted to optimizing the performance of these ... -
Adaptive Consensus Tracking for Fractional Order Linear Time Invariant Swarm Systems
(The American Society of Mechanical Engineers (ASME), 2014)This paper presents an adaptive controller to achieve consensus tracking for the fractionalorder linear time invariant swarm systems in which the matrices describing the agent dynamics and the interactive dynamics between ... -
Model Predictive Control of Fractional Order Systems
(The American Society of Mechanical Engineers (ASME), 2014)This paper provides the model predictive control (MPC) of fractional order systems. The direct method will be used as internal model to predict the future dynamic behavior of the process, which is used to achieve the control ...