Thermomechanical Analysis of Sandwich Pipes with Graded Core

  • James C. Hastie
  • , Maria Kashtalyan*
  • , Igor A. Guz
  • *Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

Sandwich pipes consisting of inner and outer fibre-reinforced composite skins bonded to a core material are viewed as a lightweight alternative to single-wall pipes and pipe-in-pipe systems. Introducing a density gradient into the core material offers further possibility to improve the performance of these pipes when subjected to combined mechanical and thermal loads. In this paper, a Finite Element (FE) model for thermomechanical stress analysis of sandwich pipes with graded cores is developed and validated against the three-dimensional elasticity solution. An FE-based thermomechanical analysis of pipes with carbon/epoxy skins and graded polyvinyl chloride (PVC) core under loads relevant to offshore piping applications reveals that a graded core offers an attractive compromise in terms of pipe weight and stresses in the fibre layers when compared to sandwich pipes with non-graded cores.

Original languageEnglish
Title of host publicationNew Achievements in Mechanics
Subtitle of host publicationA Tribute to Klaus Peter Herrmann
PublisherSpringer
Pages75-88
Number of pages14
ISBN (Electronic)978-3-031-56132-0
ISBN (Print)978-3-031-56131-3
DOIs
Publication statusPublished - 27 May 2024

Publication series

NameAdvanced Structured Materials
Volume205
ISSN (Print)1869-8433
ISSN (Electronic)1869-8441

Keywords

  • Composite pipe modelling
  • Functionally graded material
  • Thermoelastic analysis

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