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Analytical and Numerical Validation of a Moving Modes Method for Traveling Interaction on Long Structures
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This work is devoted to the validation of a computational dynamics approach previously developed by the authors for the simulation of moving loads interacting with flexible bodies through arbitrary contact modeling. The ...
Description of Methods for the Eigenvalue Analysis of Railroad Vehicles Including Track Flexibility
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The stability analysis of railroad vehicles using eigenvalue analysis can provide essential information about the stability of the motion, ride quality, or passengers’ comfort. The eigenvalue ...
Stability Analysis of Multibody Systems With Long Flexible Bodies Using the Moving Modes Method and Its Application to Railroad Dynamics
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In order to model a long flexible body subjected to a moving load within multibody systems, the flexibility can be considered by using a special floating frame of reference approach. In this approach the body deformations ...
Application of the Absolute Nodal Coordinate Formulation to Large Rotation and Large Deformation Problems
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: There are three basic finite element formulations which are used in multibody dynamics. These are the floating frame of reference approach, the incremental method and the large rotation vector ...
Special Issue: Selected Papers From 2021 IDETC-CIE MSND Conference
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: It is with great pleasure that we bring to the readership of the ASME Journal of Computational and Nonlinear Dynamics (JCND) a special issue dedicated to select papers from the 17th International Conference on Multibody ...
Floquet Stability Analysis of Moving Railway Track Models With Lumped Parameters
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Abstract. This work presents a methodology for assessing the stability of moving railway track models represented as lumped parameter systems that travel with the vehicle and exhibit periodic variations in their properties ...
Use of Finite Element and Finite Segment Methods in Modeling Rail Flexibility: A Comparative Study
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Safety requirements and optimal performance of railroad vehicle systems require the use of multibody system (MBS) dynamics formulations that allow for modeling flexible bodies. This investigation ...
Ultrasonic Guided Wave Scattering Spectra by Hybrid Global–Local Modeling for Nondestructive Evaluation in Composites With Varying Defect Features
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The nondestructive characterization and monitoring of defects in composite structures by ultrasonic guided waves are hindered by the complexity of the interaction. Efficient computational modeling of propagating ultrasonic ...
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