Numerical Simulation Of Temperature
Distribution And Seam Forming In A Narrow
Gap Welding
Author(s)
D. WeiB, U. Franz, G. Lube & J. Schmidt
Abstract
Numerical simulation of temperature
distribution and seam forming in a narrow
gap welding
D. WeiG, U. Franz, G. Lube & J. Schmidt
Otto von Guericke University of Magdeburg,
Gmdwofe CW/e^e MB7, P.O.
Magdeburg, Germany
ABSTRACT
The knowledge of the temperature distribution of the workpiece during arc
welding is necessary in order to ascertain change in material structure as
well as strenght of the joint.
The simulation has not only to consider the heat effect of the arc but
also the weld pool deformation influenced by arc pressure and gravitation.
A coupled non-linear system based on the description of energy trans-
port and minimization of surface energy has been employed. The described
system is solved by using the Galerkin/least-squares formulation of the finite
element method. Numerical results for examples are given.
MODELING
The topic of this paper is the numerical simulation of temperature distri-
bution and weld pool deformation during narrow gap arc welding. The
Keywords
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