Study on steady-state thermal conduction with singularities in multi-material composites

X.F. Hu, H.Y. Gao, W.A. Yao, S.T. Yang

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Increasing demand in material and mechanical properties has led to production of complex composite structures. The composite structures, made of different materials, possess a variety of properties derived from each material. This has brought challenges in both analytical and numerical studies in thermal conduction which is of significant importance for thermoelastic problems. Therefore, a unified and effective approach would be desirable. The present study makes a first attempt to determining the analytical symplectic eigen solution for steady-state thermal conduction problem of multi-material crack. Based on the obtained symplectic eigen solution (including higher order expanding eigen solution terms), a new symplectic analytical singular element (SASE) for numerical modeling is constructed. It is concluded that composite structures composed of multi-material with complex geometric shapes can be modeled by the developed method, and the generalized flux intensity factors (GFIFs) can be solved accurately and efficiently.
LanguageEnglish
Pages861-870
Number of pages10
JournalInternational Journal of Heat and Mass Transfer
Volume104
Early online date13 Sep 2016
DOIs
Publication statusPublished - 31 Jan 2017

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composite structures
Composite structures
conduction
composite materials
Composite materials
cracks
mechanical properties
Materials properties
Fluxes
Cracks
Mechanical properties
Hot Temperature

Keywords

  • symplectic dual approach
  • generalized flux intensity factor
  • multi-material crack
  • steady-state thermal conduction

Cite this

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title = "Study on steady-state thermal conduction with singularities in multi-material composites",
abstract = "Increasing demand in material and mechanical properties has led to production of complex composite structures. The composite structures, made of different materials, possess a variety of properties derived from each material. This has brought challenges in both analytical and numerical studies in thermal conduction which is of significant importance for thermoelastic problems. Therefore, a unified and effective approach would be desirable. The present study makes a first attempt to determining the analytical symplectic eigen solution for steady-state thermal conduction problem of multi-material crack. Based on the obtained symplectic eigen solution (including higher order expanding eigen solution terms), a new symplectic analytical singular element (SASE) for numerical modeling is constructed. It is concluded that composite structures composed of multi-material with complex geometric shapes can be modeled by the developed method, and the generalized flux intensity factors (GFIFs) can be solved accurately and efficiently.",
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Study on steady-state thermal conduction with singularities in multi-material composites. / Hu, X.F.; Gao, H.Y.; Yao, W.A.; Yang, S.T.

In: International Journal of Heat and Mass Transfer, Vol. 104, 31.01.2017, p. 861-870.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Study on steady-state thermal conduction with singularities in multi-material composites

AU - Hu, X.F.

AU - Gao, H.Y.

AU - Yao, W.A.

AU - Yang, S.T.

PY - 2017/1/31

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AB - Increasing demand in material and mechanical properties has led to production of complex composite structures. The composite structures, made of different materials, possess a variety of properties derived from each material. This has brought challenges in both analytical and numerical studies in thermal conduction which is of significant importance for thermoelastic problems. Therefore, a unified and effective approach would be desirable. The present study makes a first attempt to determining the analytical symplectic eigen solution for steady-state thermal conduction problem of multi-material crack. Based on the obtained symplectic eigen solution (including higher order expanding eigen solution terms), a new symplectic analytical singular element (SASE) for numerical modeling is constructed. It is concluded that composite structures composed of multi-material with complex geometric shapes can be modeled by the developed method, and the generalized flux intensity factors (GFIFs) can be solved accurately and efficiently.

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KW - generalized flux intensity factor

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