Abstract
The paper describes a simplified analysis of the residual longitudinal stresses induced in a steel plate by a moving heat source of finite width. The effects of a point source are treated as a limiting case. A linear temperature distribution, identical at every cross section and subject to the condition of zero heat loss, is shown to be an adequate model for the purpose of the analysis. The relationship of the residual stresses to the linear heat input, to the width of heat source and to the stiffness of the plate is established. The particular results for a point source agree closely with more complex published work.
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