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Paper VII.2

Comparison of Adaptive Procedures for Coupled Finite Element Analysis of Thermal Strain History During Continuous Solidification Processes

doi:10.4203/ccp.33.7.2

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J.R. Boehmer, G. Funk, M. Jordan, F.N. Fett, "Comparison of Adaptive Procedures for Coupled Finite Element Analysis of Thermal Strain History During Continuous Solidification Processes", in B.H.V. Topping, (Editor), "Developments in Computational Techniques for Structural Engineering", Civil-Comp Press, Edinburgh, UK, pp 211-227, 1995. doi:10.4203/ccp.33.7.2

Abstract

The mathematical investigation of thermal crack formation during continuous solidification processes is characterized by a fully coupled analysis of solidification and further cooling, strand contraction and resulting thermal stresses. Due to variable and inhomogeneous cooling conditions each just solidified strand volume element, frozen and wedged in the matrix of neighbouring elements, has its own thermal load history, and it is drawn in line to the casting direction. For the mechanical part, a thermo-inelastic and contact problem with phase transformation, transient loadings, and moving boundary conditions is to be solved. Two different approaches to adapt Finite Element analysis to the demands of transient initial and boundary conditions are compared and discussed with regard to methodology, application areas, advantages, and disadvantages.

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Front Page Browse CCP CSETS CTR IJRT Other Authors Search Purchase Guide FAQ Contact us	Civil-Comp Proceedings ISSN 1759-3433 CCP: 33 DEVELOPMENTS IN COMPUTATIONAL TECHNIQUES FOR STRUCTURAL ENGINEERING Edited by: B.H.V. Topping Paper VII.2 Comparison of Adaptive Procedures for Coupled Finite Element Analysis of Thermal Strain History During Continuous Solidification Processes J.R. Boehmer, G. Funk, M. Jordan and F.N. Fett Department of Mechanical Engineering, University of Siegen, Siegen, Germany doi:10.4203/ccp.33.7.2 purchase the full-text of this paper Full Bibliographic Reference for this paper J.R. Boehmer, G. Funk, M. Jordan, F.N. Fett, "Comparison of Adaptive Procedures for Coupled Finite Element Analysis of Thermal Strain History During Continuous Solidification Processes", in B.H.V. Topping, (Editor), "Developments in Computational Techniques for Structural Engineering", Civil-Comp Press, Edinburgh, UK, pp 211-227, 1995. doi:10.4203/ccp.33.7.2 Abstract The mathematical investigation of thermal crack formation during continuous solidification processes is characterized by a fully coupled analysis of solidification and further cooling, strand contraction and resulting thermal stresses. Due to variable and inhomogeneous cooling conditions each just solidified strand volume element, frozen and wedged in the matrix of neighbouring elements, has its own thermal load history, and it is drawn in line to the casting direction. For the mechanical part, a thermo-inelastic and contact problem with phase transformation, transient loadings, and moving boundary conditions is to be solved. Two different approaches to adapt Finite Element analysis to the demands of transient initial and boundary conditions are compared and discussed with regard to methodology, application areas, advantages, and disadvantages. purchase the full-text of this paper (price £20) go to the previous paper go to the next paper return to the table of contents return to the book description purchase this book (price £78 +P&P)
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