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船舶与海洋工程制造工艺力学理论及工程应用(英文版) 版权信息
- ISBN：9787030695185
- 条形码：9787030695185 ; 978-7-03-069518-5
- 装帧：一般胶版纸
- 册数：暂无
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船舶与海洋工程制造工艺力学理论及工程应用(英文版) 本书特色
适读人群 ：船舶与海洋工程领域相关研究人员、工程技术人员及高等学校本科生、研究生该书为船舶与海洋工程结构精确制造的有限元计算提供了详尽的案例和数据；该书获得科学技术学术著作出版基金资助
船舶与海洋工程制造工艺力学理论及工程应用(英文版) 内容简介
船舶与海洋工程建造是个复杂的生产过程，制造（热加工）工艺伴随着船舶整个建造过程，制造（热加工）工艺力学行为引起的结构内部残余应力及变形对船舶制造质量具有重要的影响。而这些力学问题不仅与其它工程领域的力学问题不同，且与设计时考虑的力学问题也不相同，问题的性质及求解方法都有着其专业特殊性，解决这些力学问题对提高工艺水平和建造质量具有重要的意义。本著作基于热弹塑性有限元分析法和固有变形理论，针对船舶与海洋工程建造过程中的热点和难点问题：弯板成型，船体构件、分段及总段焊接装配，高强度大厚度海洋平台桩腿板材切割等三个典型制造（热加工）工艺过程开展了力学行为研究，从力学的角度分析建造工艺的科学性和合理性，进而为施工工艺的改进和优化提供理论依据及数据支持。
船舶与海洋工程制造工艺力学理论及工程应用(英文版) 目录
Contents
Preface
Chapter 1 Introduction 1
1.1 Research Background 1
1.2 Literature and Research Progress 4
1.2.1 Steel Cutting with Flame Heating 4
1.2.2 Plate Bending with High-Frequency Induction Heating 5
1.2.3 Welding Distortion Prediction in Shipbuilding 6
1.3 Research Content 12
Reference 12
Chapter 2 Fundamentals of FE Computation 18
2.1 Non-linear Thermal Elastic-Plastic FE Computation 19
2.1.1 Transient Thermal Analysis 19
2.1.2 Mechanical Analysis 20
2.1.3 Fast Computation Techniques 20
2.2 Theory of Inherent Strain and Deformation 23
2.2.1 Inherent Strain Theory 23
2.2.2 Inherent Deformation Theory 24
2.3 Interface Element 25
2.4 Elastic Buckling Theory 27
2.4.1 Finite Strain Theory 27
2.4.2 Eigenvalue Analysis 27
2.5 Tendon Force and Its Evaluation 30
2.5.1 Tendon Force Evaluation with Theoretical Analysis 32
2.5.2 Tendon Force Evaluation by Computed Results 33
2.6 Conclusions 35
Reference 36
Chapter 3 Investigation on Thick-Plate Cutting of High-Strength Steel 38
3.1 Research on Thermal Source Model of Oxygen and Acetylene cutting 38
3.1.1 Thermal Source Model 38
3.1.2 Determination of Thermal-Flow Distribution Parameters 39
3.1.3 Quasi-stable Temperature Field Under the Effect of Thermal Sources 40
3.1.4 Determination of Parameters in Thermal Source Model 40
3.2 Simulation of Rack Oxygen-Acetylene Cutting 41
3.2.1 Material Parameters of Temperature Properties 41
3.2.2 Finite Element Model of Rack 42
3.2.3 Calculation of Stress and Strain in Thermal Rack Cutting 43
3.3 Optimization of Cutting Process Parameters 45
3.4 Conclusions 48
Reference 49
Chapter 4 Hull Plate Bending with Induction Heating 50
4.1 Experimental Procedure and Measurement 50
4.1.1 Temperature Measurement During Induction Heating 51
4.1.2 Measurement of Bending Deformation 54
4.2 Measurement and Computational Analysis of Saddle Plate 56
4.2.1 Thermal Elastic-Plastic FE Computation 59
4.2.2 Evaluation of Bending Moment 61
4.2.3 Elastic FE Computation 62
4.3 Measurement and Computational Analysis of Sail Plate 64
4.3.1 TEP FE Analysis for Sail-Shape Plate 65
4.3.2 Elastic FE Analysis for Sail-Shape Plate 68
4.4 Conclusions 70
Reference 71
Chapter 5 Out-of-plane Welding Distortion Prediction for Typical Welded Joints and Ship Structures 72
5.1 Welding Distortion of Typical Fillet Welding 73
5.1.1 Experimental Procedure and Measurement 73
5.1.2 Thermal Elastic-Plastic FE Analysis 75
5.1.3 FE Computation on Influence of Lateral Stiffener 77
5.1.4 Inherent Deformation Evaluation 80
5.2 Welding Distortion of Stiffened Welded Structure 83
5.2.1 Fabrication of Orthogonal Stiffened Welded Structure 84
5.2.2 Elastic FE Analysis with Shell-Element Model 85
5.3 Conclusions 92
Reference 93
Chapter 6 Application of Computational Welding Mechanics for Accurate Fabrication of Ship Structure 94
6.1 Welding Distortion Reduction for Hatch Coaming Production 94
6.1.1 Experimental Procedure 97
6.1.2 Evaluation of Inherent Deformation of Fillet Welded Joints 99
6.1.3 Prediction of Welding Distortion of Hatch Coaming Using Elastic FE Analysis 102
6.2 Investigation on Welding Induced Buckling for Ship Panel Fabrication 104
6.2.1 Experimental Procedures and Measurement 104
6.2.2 Thermal Elastic-Plastic FE Computation of Fillet Welding 105
6.2.3 Evaluation of Welding Inherent Deformations 115
6.2.4 Elastic FE Analysis with Inherent Deformations 120
6.2.5 Techniques for Welding Buckling Prevention 126
6.3 Application of Accurate Fabrication for Container Ship 132
6.3.1 Examined Structures and Welding Experiments 134
6.3.2 Creation of Inherent Deformation Database 139
6.3.3 Prediction and Validation of Out-of-plane Welding Distortion 159
6.3.4 Influence of Welding Sequence on Precision Fabrication 163
6.3.5 X Groove Optimization of Butt Welded Joint with Thick Plates 167
6.4 Conclusions 176
Reference 178
Chapter 7 Application of Accurate Fabrication of Offshore Structure 180
7.1 Welding Distortion Prediction and Mitigation Practice of Cylindrical Leg Structure 180
7.1.1 Rack-cylinder Welding Experiment and Measurement 181
7.1.2 Welding Distortion Prediction with Efficient TEP FE Computation 184
7.1.3 Welding Distortion Mitigation with Bead-on-plate Techniques 190
7.2 Welding Distortion Prediction and Mitigation Practice of Cantilever Beam Structure 193
7.2.1 Establishment of Inherent Deformation Database 195
7.2.2 Welding Distortion Prediction with Elastic FE Analysis 203
7.2.3 Mitigation Implementation with Practical Techniques 205
7.3 Conclusions 211
Reference 212
Preface
Chapter 1 Introduction 1
1.1 Research Background 1
1.2 Literature and Research Progress 4
1.2.1 Steel Cutting with Flame Heating 4
1.2.2 Plate Bending with High-Frequency Induction Heating 5
1.2.3 Welding Distortion Prediction in Shipbuilding 6
1.3 Research Content 12
Reference 12
Chapter 2 Fundamentals of FE Computation 18
2.1 Non-linear Thermal Elastic-Plastic FE Computation 19
2.1.1 Transient Thermal Analysis 19
2.1.2 Mechanical Analysis 20
2.1.3 Fast Computation Techniques 20
2.2 Theory of Inherent Strain and Deformation 23
2.2.1 Inherent Strain Theory 23
2.2.2 Inherent Deformation Theory 24
2.3 Interface Element 25
2.4 Elastic Buckling Theory 27
2.4.1 Finite Strain Theory 27
2.4.2 Eigenvalue Analysis 27
2.5 Tendon Force and Its Evaluation 30
2.5.1 Tendon Force Evaluation with Theoretical Analysis 32
2.5.2 Tendon Force Evaluation by Computed Results 33
2.6 Conclusions 35
Reference 36
Chapter 3 Investigation on Thick-Plate Cutting of High-Strength Steel 38
3.1 Research on Thermal Source Model of Oxygen and Acetylene cutting 38
3.1.1 Thermal Source Model 38
3.1.2 Determination of Thermal-Flow Distribution Parameters 39
3.1.3 Quasi-stable Temperature Field Under the Effect of Thermal Sources 40
3.1.4 Determination of Parameters in Thermal Source Model 40
3.2 Simulation of Rack Oxygen-Acetylene Cutting 41
3.2.1 Material Parameters of Temperature Properties 41
3.2.2 Finite Element Model of Rack 42
3.2.3 Calculation of Stress and Strain in Thermal Rack Cutting 43
3.3 Optimization of Cutting Process Parameters 45
3.4 Conclusions 48
Reference 49
Chapter 4 Hull Plate Bending with Induction Heating 50
4.1 Experimental Procedure and Measurement 50
4.1.1 Temperature Measurement During Induction Heating 51
4.1.2 Measurement of Bending Deformation 54
4.2 Measurement and Computational Analysis of Saddle Plate 56
4.2.1 Thermal Elastic-Plastic FE Computation 59
4.2.2 Evaluation of Bending Moment 61
4.2.3 Elastic FE Computation 62
4.3 Measurement and Computational Analysis of Sail Plate 64
4.3.1 TEP FE Analysis for Sail-Shape Plate 65
4.3.2 Elastic FE Analysis for Sail-Shape Plate 68
4.4 Conclusions 70
Reference 71
Chapter 5 Out-of-plane Welding Distortion Prediction for Typical Welded Joints and Ship Structures 72
5.1 Welding Distortion of Typical Fillet Welding 73
5.1.1 Experimental Procedure and Measurement 73
5.1.2 Thermal Elastic-Plastic FE Analysis 75
5.1.3 FE Computation on Influence of Lateral Stiffener 77
5.1.4 Inherent Deformation Evaluation 80
5.2 Welding Distortion of Stiffened Welded Structure 83
5.2.1 Fabrication of Orthogonal Stiffened Welded Structure 84
5.2.2 Elastic FE Analysis with Shell-Element Model 85
5.3 Conclusions 92
Reference 93
Chapter 6 Application of Computational Welding Mechanics for Accurate Fabrication of Ship Structure 94
6.1 Welding Distortion Reduction for Hatch Coaming Production 94
6.1.1 Experimental Procedure 97
6.1.2 Evaluation of Inherent Deformation of Fillet Welded Joints 99
6.1.3 Prediction of Welding Distortion of Hatch Coaming Using Elastic FE Analysis 102
6.2 Investigation on Welding Induced Buckling for Ship Panel Fabrication 104
6.2.1 Experimental Procedures and Measurement 104
6.2.2 Thermal Elastic-Plastic FE Computation of Fillet Welding 105
6.2.3 Evaluation of Welding Inherent Deformations 115
6.2.4 Elastic FE Analysis with Inherent Deformations 120
6.2.5 Techniques for Welding Buckling Prevention 126
6.3 Application of Accurate Fabrication for Container Ship 132
6.3.1 Examined Structures and Welding Experiments 134
6.3.2 Creation of Inherent Deformation Database 139
6.3.3 Prediction and Validation of Out-of-plane Welding Distortion 159
6.3.4 Influence of Welding Sequence on Precision Fabrication 163
6.3.5 X Groove Optimization of Butt Welded Joint with Thick Plates 167
6.4 Conclusions 176
Reference 178
Chapter 7 Application of Accurate Fabrication of Offshore Structure 180
7.1 Welding Distortion Prediction and Mitigation Practice of Cylindrical Leg Structure 180
7.1.1 Rack-cylinder Welding Experiment and Measurement 181
7.1.2 Welding Distortion Prediction with Efficient TEP FE Computation 184
7.1.3 Welding Distortion Mitigation with Bead-on-plate Techniques 190
7.2 Welding Distortion Prediction and Mitigation Practice of Cantilever Beam Structure 193
7.2.1 Establishment of Inherent Deformation Database 195
7.2.2 Welding Distortion Prediction with Elastic FE Analysis 203
7.2.3 Mitigation Implementation with Practical Techniques 205
7.3 Conclusions 211
Reference 212
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船舶与海洋工程制造工艺力学理论及工程应用(英文版) 节选
Chapter 1 Introduction The construction of naval architectures and marine structures is a complicated fabrication process involving cutting， plate bending， and assembling through thermal procedures. To enhance the fabrication accuracy and market competition， it is desired to optimize the processing parameters during thermal fabrication of shipbuilding through investigation of processing mechanics and clarification of mechanical response. Based on mechanical theory， processing mechanics with thermal procedures focuses on the mechanical response during fabrication to improve the construction level of ship structures and optimize processing parameters. Thermal fabrication procedures such as cutting with oxygen， plate bending with natural gas， and arc welding constitute critical research issues given that they play important roles during the ship construction and all of them undergo non-linear thermal-elastic-plastic response. To address the thermal-elastic-plastic problem during the application of thermal fabrication procedures， finite element (FE) analysis is usually employed to obtain numerical solutions by considering processing conditions as thermal loading， as well as thermal and mechanical boundary conditions during computation. Therefore， it is useful and helpful to understand the generation mechanism of residual stress and distortion during the application of thermal fabrication procedures through mathematical modeling and FE computation. Currently， the processing parameters can also be assessed before actual ship construction. Moreover， an optimized fabrication plan can be considered to avoid the engineering problems of stress concentration and dimensional accuracy and to enhance the manufacturing quality significantly. 1.1 Research Background With the rapid development of the world economy， there is an increasing demand for energy. The development of the seabed oil field all over the world has expanded from shallow sea to deep sea and even ice-sea areas. Consequently， the material and technical requirements for manufacturing of offshore platforms steadily grow， especially those of offshore drilling jack-up platform legs， which have already been constructed by z-direction steel with yield strength over 690 MPa and maximum thickness of 210 mm [1]. Cutting a high-strength and large-thickness rack is a complex thermal processing procedure involving heat transfer， material metallurgy， solid and fluid mechanics， and several other sciences， in addition to the complex interaction between materials and cutting gas. After cutting， the shrinkage stress is produced with the natural cooling down of the steel plate. Notable complex deformation may also be produced. As the first processing procedure of welding production， cutting efficiency and quality directly influence the welding deformation of the entire structure. The neglect of the residual stress and strain in turn influence the resulting welding quality and reduce the structure strength， with an underlying hidden danger of crack expansion. Flame cutting is a common method for plate cutting. However， dry carbides are energy-consuming， and the storage and use of acetylene are potentially hazardous. Given that the cutting process has numerous thermal-impact factors such as residual stress and deformation， cutting a large high-strength thickness plate for an offshore jack-up platform leg rack should be previously examined. Oxygen cutting is more complex. The cutting process will produce a non-uniform temperature field and will be accompanied by thermal strain and partial plastic deformation. Currently， there is no reference related to this area. Thus， thermodynamic behavior research on cutting large high-strength thickness racks demand a great deal of experiments to provide theoretical and technical support for the improvement of the construction process， which plays an important theoretical research role and has engineering application value. After applying a cutting procedure， plate bending is usually employed for curveplate processing during the construction of modern ship and offshore structures. The ship hull is made up of a large number of plates with complex curvatures， especially at the bow and stern， where many double-curvature plates such as saddle or sail shapes are located. Thus， plate formation is an essential procedure for shipbuilding， which will be related to the production efficiency and precision of the ship structure， as well as to the fabrication cost and schedule of shipyards [2]. Hot formation is an important method of plate bending in shipyards. The temperature distribution in the thickness direction is uneven because of local plate heating. Hence， a bending moment would be generated for the plate to produce out-of-plane displacement. There are three main procedures of hot formation according to the applied heating source， namely line heating with flame (oxygen-acetylene flame)， laser heating， and high-freque
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