本書以有限元法為主要手段研究了DP980雙相高強度鋼板的激光彎曲成形特性。主要研究了激光工藝參數(shù)(功率、掃描速度、線能量)和板材尺寸(長度、寬度和厚度)對該種鋼板在激光彎曲成形中的溫度和彎曲角度的影響。此外，對于激光多次重復(fù)掃描的情況，研究了不同掃描路徑對相同板材成形角大小的影響，提出了提高成形效率的最佳激光掃描方式。本書力圖從應(yīng)用示例出發(fā)，引出研究問題，可用于高等學(xué)校研究生和高年級本科生課程的學(xué)習(xí)與研討，也可供信息處理領(lǐng)域技術(shù)人員參考。
Introduction
1.1 Research Background
1.2 Laser Forming Mechanism
1.3 Research Trends and Applications
1.4 Research Motivation and Objectives
1.5 Outline of the Paper
2 Theory of Finite Element Analysis
2.1 Introduction
2.2 Finite Element Method(FEM)
2.3 Thermal Problem
2.4 Structural Problem
2.5 Summary
3 Finite Element Modeling and Experimental Verification of Laser Forming Process
3.1 Introduction
3.2 3D Finite Element Modeling
3.3 Experimental Verification
3.4 Summary
4 Finite Element Analysis of One-time Laser Scanning
4.1 Introduction
4.2 Analysis of Laser Parameter Effect
4.3 Analysis of Specimen Size Effect
4.4 Summary
5 Analysis of Scanning Pattern Effect in Multi-time Laser Scanning
5.1 Introduction
5.2 Two-time Scanning Analysis
5.3 Three-time Scanning Analysis
5.4 Summary
6 Conclusions and Recommendations
6.1 Conclusions
6.2 Recommendations
Appendix A Overview of Laser
A.1 Properties of Laser
A.2 Types of Laser
Appendix B Lists of ABAQUS Computer Program
B.1 Finite Element Analysis of One-time Laser Scanning Process
B.2 User Subroutine for the Gaussian-distributed Heat Source Model
References
Acknowledgement
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