Temperature Field Due to a Moving Heat Source: A Moving Mesh Finite Element Analysis

[+] Author and Article Information
Z.-B. Kuang, S. N. Atluri

Center for the Advancement of Computational Mechanics, School of Civil Engineering, Georgia Institute of Technology, Atlanta, Ga. 30332

J. Appl. Mech 52(2), 274-280 (Jun 01, 1985) (7 pages) doi:10.1115/1.3169040 History: Received July 01, 1984; Revised September 01, 1984; Online July 21, 2009


The transient temperature field (as seen by a moving observer) due to a moving heat source, such as the process zone near a dynamically propagating crack tip or an external agent as in the case of welding, is analyzed by a moving-mesh finite element procedure. The effects of the temperature-dependent material properties, and of the loss of heat to the surrounding medium through convection and radiation, are studied. Situations under which conditions in the process zone may be labeled as “isothermal” or “adiabatic” are explored. Estimates of temperature rise near the tip of a crack propagating at realistic speeds in structural steels are made.

Copyright © 1985 by ASME
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