Evaluation of Structural Strength of Flatbed Trailer for Service Loading Conditions

Paper #:
  • 2013-01-2368

Published:
  • 2013-09-24
DOI:
  • 10.4271/2013-01-2368
Citation:
Harinarayanan, H., "Evaluation of Structural Strength of Flatbed Trailer for Service Loading Conditions," SAE Technical Paper 2013-01-2368, 2013, https://doi.org/10.4271/2013-01-2368.
Pages:
10
Abstract:
Commercial vehicle payload depends on the client for which the vehicle fleet owner is operating. Load carriers like flatbed trailer offer the flexibility to be loaded with a large number of light payloads or a few numbers of massive payloads. Such load carriers have to be evaluated for various possibilities of loading patterns that could happen in the market.The objective of this work is to evaluate flatbed trailer for its structural strength for different customer application cases, using computer simulation. Structural load cases due to payloads like containers, steel coils and cement bags are arrived at. Static structural analysis using MSC Nastran is performed to evaluate for the worst customer loading pattern from structural stress point of view. This paper also describes a simplified method for simulating the effect of trailer suspension, tractor suspension and the fifth-wheel coupling in the analysis whose detailed modeling is not possible at the concept level. This approach helps to find the possible critical locations and to select the best design out of several design proposals at the concept stage itself. The paper is the authoritative source for the abstract.
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