Lightweight Chassis Design of Hybrid Trucks Considering Multiple Road Conditions and Constraints

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dc.contributor.authorDe, Shuvodeepen
dc.contributor.authorSingh, Karanpreeten
dc.contributor.authorSeo, Junhyeonen
dc.contributor.authorKapania, Rakesh K.en
dc.contributor.authorOstergaard, Eriken
dc.contributor.authorAngelini, Nicholasen
dc.contributor.authorAguero, Raymonden
dc.contributor.departmentAerospace and Ocean Engineeringen
dc.date.accessioned2021-01-08T15:49:17Zen
dc.date.available2021-01-08T15:49:17Zen
dc.date.issued2020-12-28en
dc.date.updated2021-01-08T14:44:21Zen
dc.description.abstractThe paper describes a fully automated process to generate a shell-based finite element model of a large hybrid truck chassis to perform mass optimization considering multiple load cases and multiple constraints. A truck chassis consists of different parts that could be optimized using shape and size optimization. The cross members are represented by beams, and other components of the truck (batteries, engine, fuel tanks, etc.) are represented by appropriate point masses and are attached to the rail using multiple point constraints to create a mathematical model. Medium-fidelity finite element models are developed for front and rear suspensions and they are attached to the chassis using multiple point constraints, hence creating the finite element model of the complete truck. In the optimization problem, a set of five load conditions, each of which corresponds to a road event, is considered, and constraints are imposed on maximum allowable von Mises stress and the first vertical bending frequency. The structure is optimized by implementing the particle swarm optimization algorithm using parallel processing. A mass reduction of about 13.25% with respect to the baseline model is achieved.en
dc.description.versionPublished versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationDe, S.; Singh, K.; Seo, J.; Kapania, R.K.; Ostergaard, E.; Angelini, N.; Aguero, R. Lightweight Chassis Design of Hybrid Trucks Considering Multiple Road Conditions and Constraints. World Electr. Veh. J. 2020, 12, 3.en
dc.identifier.doihttps://doi.org/10.3390/wevj12010003en
dc.identifier.urihttp://hdl.handle.net/10919/101799en
dc.language.isoenen
dc.publisherMDPIen
dc.rightsCreative Commons Attribution 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en
dc.subjecthybrid truck chassisen
dc.subjectfinite-element modelingen
dc.subjectstructural optimizationen
dc.subjectlightweight structureen
dc.subjectstress computationen
dc.titleLightweight Chassis Design of Hybrid Trucks Considering Multiple Road Conditions and Constraintsen
dc.title.serialWorld Electric Vehicle Journalen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten

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