Journal of Computational and Nonlinear Dynamics: Recent submissions
Now showing items 1601-1620 of 1786
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On the Modeling of Leg Constraints in the Dynamic Analysis of Gough/Stewart-Type Platforms
(The American Society of Mechanical Engineers (ASME), 2009)This paper investigates the dynamic model of Gough/Stewart-type platforms, focusing on aspects concerning the proper modeling of leg constraints that seem to have been overlooked in a nonnegligible ... -
Parametric Resonance of Hopf Bifurcation in a Generalized Beck’s Column
(The American Society of Mechanical Engineers (ASME), 2009)A generalized damped Beck’s column under pulsating actions is considered. The nonlinear partial integrodifferential equations of motion and the associated boundary conditions, expanded up to cubic ... -
A Detailed Comparison of the Absolute Nodal Coordinate and the Floating Frame of Reference Formulation in Deformable Multibody Systems
(The American Society of Mechanical Engineers (ASME), 2009)In extension to a former work, a detailed comparison of the absolute nodal coordinate formulation (ANCF) and the floating frame of reference formulation (FFRF) is performed for standard static ... -
Exploration of New Concepts for Mass Detection in Electrostatically-Actuated Structures Based on Nonlinear Phenomena
(The American Society of Mechanical Engineers (ASME), 2009)This study presents an effort to explore the exploitation of dynamic instabilities and bifurcations in micro-electro-mechanical systems to realize novel methods and functionalities for mass sensing ... -
Scaling of Constraints and Augmented Lagrangian Formulations in Multibody Dynamics Simulations
(The American Society of Mechanical Engineers (ASME), 2009)This paper addresses practical issues associated with the numerical enforcement of constraints in flexible multibody systems, which are characterized by index-3 differential algebraic equations ... -
An Efficient Hybrid Method for Multibody Dynamics Simulation Based on Absolute Nodal Coordinate Formulation
(The American Society of Mechanical Engineers (ASME), 2009)This paper presents an efficient hybrid method for dynamic analysis of a flexible multibody system. This hybrid method is the combination of a penalty and augmented Lagrangian formulation with ... -
A Discussion of Low-Order Numerical Integration Formulas for Rigid and Flexible Multibody Dynamics
(The American Society of Mechanical Engineers (ASME), 2009)The premise of this work is that the presence of high stiffness and/or frictional contact/impact phenomena limits the effective use of high order integration formulas when numerically investigating ... -
Development of Vehicle Dynamics Simulation for Safety Analyses of Rail Vehicles on Excited Tracks
(The American Society of Mechanical Engineers (ASME), 2009)Considerable numbers of earthquake disasters have been experienced in Japan. Thus the study and research of earthquake disaster prevention are highly aware in Japan. In a railway industry, for ... -
Topology Optimization of Large Motion Rigid Body Mechanisms With Nonlinear Kinematics
(The American Society of Mechanical Engineers (ASME), 2009)The modern design process of mechanical structures is increasingly influenced by highly sophisticated methods of topology optimization that can automatically synthesize optimal design variants. ... -
A Self-Deployment Hexapod Model for a Space Application
(The American Society of Mechanical Engineers (ASME), 2009)This paper presents a simulation tool for predicting the self-deployment of an on-board deployable hexapod based on the release of strain energy stored in six tape-spring actuators. Their ... -
On the Formal Equivalence of Normal Form Theory and the Method of Multiple Time Scales
(The American Society of Mechanical Engineers (ASME), 2009)Multiple time scales technique has long been an important method for the analysis of weakly nonlinear systems. In this technique, a set of multiple time scales is introduced that serve as ... -
A Large Deformation Planar Finite Element for Pipes Conveying Fluid Based on the Absolute Nodal Coordinate Formulation
(The American Society of Mechanical Engineers (ASME), 2009)A novel planar pipe finite element conveying fluid with steady flow, suitable for modeling large deformations in the framework of the Bernoulli–Euler beam theory, is presented. The element is ... -
An Eigenvalue Problem for the Analysis of Variable Topology Mechanical Systems
(The American Society of Mechanical Engineers (ASME), 2009)Mechanical systems with time-varying topology appear frequently in natural or human-made artificial systems. The nature of topology transitions is a key characteristic in the functioning of such ... -
An Efficient Multibody Divide and Conquer Algorithm and Implementation
(The American Society of Mechanical Engineers (ASME), 2009)A new and efficient form of Featherstone’s multibody divide and conquer algorithm (DCA) is presented and evaluated. The DCA was the first algorithm to achieve theoretically the optimal logarithmic ... -
A Gauge-Invariant Formulation for Constrained Mechanical Systems Using Square-Root Factorization and Unitary Transformation
(The American Society of Mechanical Engineers (ASME), 2009)A gauge-invariant formulation for deriving the dynamic equations of constrained multibody systems in terms of (reduced) quasivelocities is presented. This formulation does not require any weighting ... -
Coupled Deformation Modes in the Large Deformation Finite Element Analysis: Generalization
(The American Society of Mechanical Engineers (ASME), 2009)The effect of the absolute nodal coordinate formulation (ANCF)–coupled deformation modes on the accuracy and efficiency when higher order three-dimensional beam and plate finite elements are used ... -
Nonsmooth Dynamics by Path Integration: An Example of Stochastic and Chaotic Response of a Meshing Gear Pair
(The American Society of Mechanical Engineers (ASME), 2009)The probability density function (PDF) of the solution process of a nonlinear stochastic differential equation (SDE) is found in this paper using the path integration technique. The SDE is a ... -
Stability and Stationary Response of a Skew Jeffcott Rotor With Geometric Uncertainty
(The American Society of Mechanical Engineers (ASME), 2009)The aim of this work is to apply stochastic methods to investigate uncertain parameters of rotating machines with constant speed of rotation subjected to a support motion. As the geometry of ... -
Experiments on Quasiperiodic Wheel Shimmy
(The American Society of Mechanical Engineers (ASME), 2009)The lateral vibration of towed wheels—so-called shimmy—is one of the most exciting phenomena of vehicle dynamics. We give a brief description of a simple rig of elastic tire that was constructed ... -
On Lugre Friction Model to Mitigate Nonideal Vibrations
(The American Society of Mechanical Engineers (ASME), 2009)In this paper, a nonideal mechanical system with the LuGre friction damping model is considered. The mechanical model of the system is an oscillator not necessarily linear connected with an ...