Finite element formulation for thermal stress analysis of thin reactor structures

Kulak, R.F.; Belytschko, Ted; Kennedy, J.M.; Schoeberle, D.F.

doi:10.1016/0029-5493(78)90050-x

Cited by 3 publications

(2 citation statements)

References 5 publications

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“…In the literature, there exist some publications relating to thermoelastoplastic problems (Cyr & Teter 1972;Chang 1973;Sharifi & Yates 1974;Kulak et al 1978;Haisler & Sanders 1979 ;Syder & Bathe 1981;Allen & Haisler 1981;de Borst 1984;van Foeken 1984van Foeken , 1985Kleiber 1991). However, most of them were formulated for metal-like materials obeying the Von Mises yield criterion, except van Foeken (1984van Foeken ( , 1985 who made use of the Drucker-Prager yield criterion for the analysis of concrete structures.…”

Section: Introductionmentioning

confidence: 99%

Thermoplasticity model for concrete under transient temperature and biaxial stress

Khennane

Baker

1992

Proc. R. Soc. Lond. A

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In the past, the theory of thermoplasticity has been confined to metal type materials exhibiting an elastic-perfectly-plastic behaviour. This paper describes the application of this theory to modelling the response of a nonlinear hardening material (concrete in the present case) under transient temperature and stress. The difficulties arising from the application of the theory of thermoelastoplasticity to modelling the behaviour of concrete at elevated temperatures are discussed, together with the inadequacy of the existing algorithms that were proposed for perfectly plastic materials, to cope with a nonlinear hardening case. An integration scheme derived from the Euler backward scheme is used to integrate the rate equations. The resulting model is used to analyse existing biaxial data and investigate the effect of a sustained load on the deformational response of concrete under biaxial loading and elevated temperature.

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Section: Introductionmentioning

confidence: 99%

Thermoplasticity model for concrete under transient temperature and biaxial stress

Khennane

Baker

1992

Proc. R. Soc. Lond. A

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“…The introduction of dynamic relaxation in conjunction with explicit temporal integration enabled the program to be used for transient as well as static loading. The basic architecture of the program followed the features of the STRAW computer program [10,11,12,13].…”

Section: Introductionmentioning

confidence: 99%

Reinforced flexural elements for temp-stress program

Marchertas¹,

Kennedy²,

Pfeiffer³

1988

Nuclear Engineering and Design

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A numerical algorithm for analyzing piping response to thermal transients and seismic excitations

Wang

1988

Nuclear Engineering and Design

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Finite element formulation for thermal stress analysis of thin reactor structures

Cited by 3 publications

References 5 publications

Thermoplasticity model for concrete under transient temperature and biaxial stress

Thermoplasticity model for concrete under transient temperature and biaxial stress

Reinforced flexural elements for temp-stress program

A numerical algorithm for analyzing piping response to thermal transients and seismic excitations

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