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《Welding & Joining》 2014-02
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Numerical simulation on butt welding deformation of thin EH36 steel plate

Ni Lianchao;Chen Zhen;Tao Guojun;School of Naval Architecture,Ocean and Civil Engineering,Shanghai Jiaotong University;Shanghai Hudong-Zhonghua Shipbuilding(Group) Co.,Ltd;  
Based on thermal elastic-plastic finite element method,the welding deformation of thin EH36 steel plate was studied.A three-dimensional finite element model using high order elements and combined heat source was developed to simulate the welding process.The numerical simulation was performed with Abaqus code based on sequentially coupled thermal-stress analysis.Experiments were also carried out to measure the distortion of welded plates.Significant out-of-plane distortion is produced after welding,both in welded specimens and finite element model.Simulated results are in good agreement with the experimental measurements,which indicates that the numerical method is applicable and efficient.
【CateGory Index】: TG404
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