B0695 Mathematical modelling of weld phenomena 4 by H. Cerjak

By H. Cerjak

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Solid, liquid and gas. A universal treatment of all phases by one simple algorithm is essential and we are at the turning point of attacking this goal. For problems such as welding and cutting processes, we need to treat topology and phase changes of the structure simultaneously. In freezing, condensation, melting and evaporation, the grid system aligned to the solid or liquid surface has no meaning and sometimes the mesh is distorted and even broken up. To solve these problems with Lagrangean representation in finite difference, finite element and boundary element methods will be quite a challenging task.

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48. 49. 50. 51. 52. 53. 54. 55. 56. 57. 58. 59. 60. 61. Modelling of Weld Phenomena 4 D. LL. Guthrie: ISIJ International, 1994, 34(5),384-392. T. Johansen and F. Boysan: Met. Trans. B, 1988, 19B, 755-764. -H. W. Chang: it Journal of Aerosol Science, 1996,27(5),681-694 Y. Arata: Proceedings of Int. Conf. on Laser Advanced Material Processing (LAMP'87), 1987,3-12. H. Haferkamp, J. Gerken, D. Stegmann and D. Reichert: Me tall, 1996, 50(3), 185191, [in German, with English abstract]. H. Cerjak, E. Let ofsky, X.

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