NUMERICAL SIMULATION OF TRANSIENT THERMAL FIELD IN LASER MELTING PROCESS

Applied Mathematics and Mechanics (English Edition) ›› 2004, Vol. 25 ›› Issue (8): 945-950.

NUMERICAL SIMULATION OF TRANSIENT THERMAL FIELD IN LASER MELTING PROCESS

姚国凤¹, 陈光南²

1. Department of Mechanics, Institute of Mechanical Science and Engineering, Jilin University, Changchun 130025, P. R. China;
2. Institute of Mechanics, Chinese Academy of Sciences, Beijing 100080, P. R. China

收稿日期:2002-08-15 修回日期:2004-01-06 出版日期:2004-08-18 发布日期:2004-08-18
基金资助:
the National Natural Science Foundation(Key Project)of China(59836220); the National High Technology Research and Development Program of China(863 Program)(2002AA331180); the National Key Grant Program of Basic(2002CCA01200)

NUMERICAL SIMULATION OF TRANSIENT THERMAL FIELD IN LASER MELTING PROCESS

YAO Guo-feng¹, CHEN Guang-nan²

1. Department of Mechanics, Institute of Mechanical Science and Engineering, Jilin University, Changchun 130025, P. R. China;
2. Institute of Mechanics, Chinese Academy of Sciences, Beijing 100080, P. R. China

Received:2002-08-15 Revised:2004-01-06 Online:2004-08-18 Published:2004-08-18
Supported by:
the National Natural Science Foundation(Key Project)of China(59836220); the National High Technology Research and Development Program of China(863 Program)(2002AA331180); the National Key Grant Program of Basic(2002CCA01200)

摘要/Abstract

摘要： Numerical simulation of thermal field was studied in laser processing. The 3-D finite element model of transient thermal calculation is given by thermal conductive equation. The effects of phase transformation latent are considered. Numerical example is given to verify the model. Finally the real example of transient thermal field is given.

关键词: laser melting process, thermal field, numerical simulation

Abstract: Numerical simulation of thermal field was studied in laser processing. The 3-D finite element model of transient thermal calculation is given by thermal conductive equation. The effects of phase transformation latent are considered. Numerical example is given to verify the model. Finally the real example of transient thermal field is given.

Key words: laser melting process, thermal field, numerical simulation

中图分类号:

TG174

姚国凤;陈光南. NUMERICAL SIMULATION OF TRANSIENT THERMAL FIELD IN LASER MELTING PROCESS[J]. Applied Mathematics and Mechanics (English Edition), 2004, 25(8): 945-950.

YAO Guo-feng;CHEN Guang-nan. NUMERICAL SIMULATION OF TRANSIENT THERMAL FIELD IN LASER MELTING PROCESS[J]. Applied Mathematics and Mechanics (English Edition), 2004, 25(8): 945-950.

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NUMERICAL SIMULATION OF TRANSIENT THERMAL FIELD IN LASER MELTING PROCESS

NUMERICAL SIMULATION OF TRANSIENT THERMAL FIELD IN LASER MELTING PROCESS

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