A vehicle/track/soil model using co-simulation between multibody dynamics and finite element analysis
Due to the always growing computing power, virtual models become nowadays a popular mean to simulate complex problems such as vehicle stability, track settlement or ground-borne vibrations induced by railway vehicles. This paper presents a co-simulation model of a vehicle passing on a track that lays on a soil. The model is split into two subsystems that are the vehicle and track subdomains and the soil subdomain. The coupled vehicle/track subsystem is modeled into an in-house multibody dedicated software package while the soil is entirely modeled with the help of a finite element analysis software. The results obtained using Jacobi and Gauß-Seidel methods, two different co-simulation techniques, will be compared to an already validated two-step model. Moreover, besides the results, this paper presents the coupling technique used between both subsystems to allow co-simulation and depicts the data management between the two distinct simulation environments.
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- © 2019 Informa UK Limited, trading as Taylor & Francis Group. Abstract reprinted with permission of Taylor & Francis.
- Publication Date: 2020-4
- Media Type: Digital/other
- Features: Figures; References; Tables;
- Pagination: pp 135-158
- TRT Terms: Computer models; Finite element method; Rolling contact; Simulation; Soil mechanics; Soil structure interaction; Subsystems; Train track dynamics
- Identifier Terms: Multibody System (MBS)
- Subject Areas: Data and Information Technology; Geotechnology; Railroads; Vehicles and Equipment;
- Accession Number: 01742626
- Record Type: Publication
- Files: TRIS
- Created Date: May 9 2020 3:02PM