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G.H. Little, A.G. Kamtekar, "The Effect of Thermal Properties and Weld Efficiency on Transient Temperatures During Welding", in B.H.V. Topping, (Editor), "Developments in Computational Techniques for Civil Engineering", Civil-Comp Press, Edinburgh, UK, pp 137-145, 1995. doi:10.4203/ccp.32.6.4

Abstract

A new finite element program that has been developed for performing non-linear calculations for determining the transient temperatures that develop in welded plates efficiently and accurately is used to examine the effects of variations in thermal conductivity and weld efficiency, and of different ways of modelling the heat exchange between the plate and its surroundings, on the computed temperature distributions. It is found that: (i) the value chosen for the conductivity has a significant effect, (ii) the value chosen for the efficiency has a greater effect on the peak temperatures when the weld is deposited using a high heat input than it does when a low heat input is used and (iii) modelling the heat exchange between the plate and its surroundings in different ways has a negligible effect on the calculated transient temperatures. Finally, a set of parameters that could be used to present the results in non-dimensional form is identified. Preliminary results look promising.

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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: 32 DEVELOPMENTS IN COMPUTATIONAL TECHNIQUES FOR CIVIL ENGINEERING Edited by: B.H.V. Topping Paper VI.4 The Effect of Thermal Properties and Weld Efficiency on Transient Temperatures During Welding G.H. Little and A.G. Kamtekar School of Civil Engineering, The University of Birmingham, Birmingham, UK doi:10.4203/ccp.32.6.4 purchase the full-text of this paper Full Bibliographic Reference for this paper G.H. Little, A.G. Kamtekar, "The Effect of Thermal Properties and Weld Efficiency on Transient Temperatures During Welding", in B.H.V. Topping, (Editor), "Developments in Computational Techniques for Civil Engineering", Civil-Comp Press, Edinburgh, UK, pp 137-145, 1995. doi:10.4203/ccp.32.6.4 Abstract A new finite element program that has been developed for performing non-linear calculations for determining the transient temperatures that develop in welded plates efficiently and accurately is used to examine the effects of variations in thermal conductivity and weld efficiency, and of different ways of modelling the heat exchange between the plate and its surroundings, on the computed temperature distributions. It is found that: (i) the value chosen for the conductivity has a significant effect, (ii) the value chosen for the efficiency has a greater effect on the peak temperatures when the weld is deposited using a high heat input than it does when a low heat input is used and (iii) modelling the heat exchange between the plate and its surroundings in different ways has a negligible effect on the calculated transient temperatures. Finally, a set of parameters that could be used to present the results in non-dimensional form is identified. Preliminary results look promising. 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 £72 +P&P)
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