Abstract

A method of optimization of process parameters in Arc Welding has been discussed in this paper. The method of investigation is based on the numerical calculation of weld bead by a finite element method and non-linear optimization technique is applied to estimated the optimization process parameters from the numerical calculation. The common package program(ANSYS 4.4A) was used to obtain the process parameters for a thin plate arc welding (TIG, CO$_{2}$). The results on some test are satisfactory and the used method of this paper is a useful guide to the optimum welding condition.

Keywords

• Transient Heat Conduction Analysis;
• Optinization of Welding;
• Convective Heat Loss;
• Welding Variable;
• Design Variable;
• Cost Function;
• Constraint Condition;
• Forced Conduction;
• Latent Heat;
• Shielding Gas

• 과도적 열전도 해석;
• 용접최적화;
• 대류 열손실;
• 용접 변수;
• 설계 변수;
• 목적 함수;
• 계약 조건;
• 강제 대류;
• 잠열;
• 엄폐 가스;