Journal of Computational and Nonlinear Dynamics: Recent submissions
Now showing items 1561-1580 of 1786
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Gradient Deficient Curved Beam Element Using the Absolute Nodal Coordinate Formulation
(The American Society of Mechanical Engineers (ASME), 2010)In this investigation, a gradient deficient beam element of the absolute nodal coordinate formulation is generalized to a curved beam for the analysis of multibody systems, and the performance ... -
Stochastic Modeling in Multibody Dynamics: Aerodynamic Loads on Ground Vehicles
(The American Society of Mechanical Engineers (ASME), 2010)The influence of wind loads on the driving behavior of ground vehicles is an important economical, safety, and comfort issue. The crosswind performance is of great interest, as violent lateral ... -
Parameter Estimation of Multibody Models of Unstable Systems From Experimental Data, With Application to Rotorcraft Vehicles
(The American Society of Mechanical Engineers (ASME), 2010)In this paper, we consider the problem of estimating the parameters in mathematical models of complex systems from experimental observations; the methods and procedures that we develop are ... -
Optimal Design of Experiments for Estimating Parameters of a Vehicle Dynamics Simulation Model
(The American Society of Mechanical Engineers (ASME), 2010)The calibration of complex simulation models for vehicle component and controller development usually relies on numerical methods. In this contribution, a two-level optimization scheme for estimating ... -
A Quantitative Assessment of the Potential of Implicit Integration Methods for Molecular Dynamics Simulation
(The American Society of Mechanical Engineers (ASME), 2010)Implicit integration, unencumbered by numerical stability constraints, is attractive in molecular dynamics (MD) simulation due to its presumed ability to advance the simulation at large step sizes. ... -
Error-Controlled Model Reduction in Flexible Multibody Dynamics
(The American Society of Mechanical Engineers (ASME), 2010)One important issue for the simulation of flexible multibody systems is the quality controlled reduction in the flexible bodies degrees of freedom. In this work, the procedure is based on ... -
ANCF Finite Element/Multibody System Formulation of the Ligament/Bone Insertion Site Constraints
(The American Society of Mechanical Engineers (ASME), 2010)The focus of this investigation is to study the mechanics of the knee joint using new ligament/bone insertion site constraint models that require the integration of multibody system and large ... -
Partitioned Dynamic Simulation of Multibody Systems
(The American Society of Mechanical Engineers (ASME), 2010)Partitioned dynamic simulation of multibody systems offers the benefit of increased modularity over direct simulation, thereby allowing for the use of softwares tailored to the needs of each ... -
Optimal Control Strategies for Robust Certification
(The American Society of Mechanical Engineers (ASME), 2010)We present an optimal control methodology, which we refer to as concentration-of-measure optimal control (COMOC), that seeks to minimize a concentration-of-measure upper bound on the probability ... -
On the Use of Lie Group Time Integrators in Multibody Dynamics
(The American Society of Mechanical Engineers (ASME), 2010)This paper proposes a family of Lie group time integrators for the simulation of flexible multibody systems. The method provides an elegant solution to the rotation parametrization problem. As ... -
Stability of Sequential Modular Time Integration Methods for Coupled Multibody System Models
(The American Society of Mechanical Engineers (ASME), 2010)The interacting components of complex technical systems are often described by coupled systems of differential equations. In dynamical simulation, these coupled differential equations have to be ... -
Sensitivity Enhancement of Cantilever-Based Sensors Using Feedback Delays
(The American Society of Mechanical Engineers (ASME), 2010)This paper entails a novel sensitivity-enhancement mechanism for cantilever-based sensors. The enhancement scheme is based on exciting the sensor at the clamped end using a delayed-feedback signal ... -
Model Based Control of Laminar Wake Using Fluidic Actuation
(The American Society of Mechanical Engineers (ASME), 2010)Control of fluid-structure interaction is of practical importance from the perspective of wake modification and reduction of vortex-induced vibrations (VIVs). The aim of this study is to design ... -
A Convex Complementarity Approach for Simulating Large Granular Flows
(The American Society of Mechanical Engineers (ASME), 2010)Aiming at the simulation of dense granular flows, we propose and test a numerical method based on successive convex complementarity problems. This approach originates from a multibody description ... -
Uniqueness of the Geometric Representation in Large Rotation Finite Element Formulations
(The American Society of Mechanical Engineers (ASME), 2010)Several finite element formulations used in the analysis of large rotation and large deformation problems employ independent interpolations for the displacement and rotation fields. As explained ... -
Special Issue on Computational Multibody Dynamics
(The American Society of Mechanical Engineers (ASME), 2010)This issue of the Journal of Computational and Nonlinear Dynamics presents a snapshot of the state-of-the-art in Computational Multibody Dynamics (CMD). Since any attempt at approximating the ... -
Variational Integrators and Energy-Momentum Schemes for Flexible Multibody Dynamics
(The American Society of Mechanical Engineers (ASME), 2010)This work contains a comparison between variational integrators and energy-momentum schemes for flexible multibody dynamics. In this connection, a specific “rotationless” formulation of flexible ... -
Structural modal interaction of a four degree-of-freedom bladed disk and casing model
(The American Society of Mechanical Engineers (ASME), 2010)Consideration is given to a very specific interaction phenomenon that may occur in turbomachines due to radial rub between a bladed disk and surrounding casing. These two structures, featuring ... -
Sliding Modes for the Simulation of Mechanical and Electrical Systems Defined by Differential-Algebraic Equations
(The American Society of Mechanical Engineers (ASME), 2010)We offer a technique, motivated by feedback control and specifically sliding mode control, for the simulation of differential-algebraic equations (DAEs) that describe common engineering systems ... -
Sources of Error in a Simulation of Rigid Parts on a Vibrating Rigid Plate
(The American Society of Mechanical Engineers (ASME), 2010)We present a simulation study of an important rigid-body contact problem. The system in question is composed of a rigid plate and a single rigid body (or particle). The plate follows a ...