首页--交通运输论文--水路运输论文--船舶工程论文--船舶设计论文

Simulation of Noise and Vibration Generated by Propulsion System

摘要第5-6页
Abstract第6页
List of figures第11-15页
List of tables第15-16页
Chapter 1 Introduction第16-20页
    1.1 Problem's background第16页
    1.2 Noise and vibration on board vessels第16-17页
    1.3 Project aim第17-18页
    1.4 Project scope第18页
    1.5 Thesis organization第18-20页
Chapter 2 Literature reviews第20-39页
    2.1 Finite elements method第20-25页
        2.1.1 Introduction第20页
        2.1.2 Plane stress第20-23页
        2.1.3 Applications of FEM第23-24页
        2.1.4 Mesh division第24-25页
    2.2 Ship vibrations第25-29页
        2.2.1 Vibration definition第25页
        2.2.2 Vibration causes第25-26页
        2.2.3 Checking vibration levels through simulation第26页
        2.2.4 Vibration according to ship design第26-27页
        2.2.5 Ship flexural vibration第27-28页
        2.2.6 Ship torsional vibration第28页
        2.2.7 Ship coupled vibration modes第28-29页
    2.3 Ship noise propagation第29-31页
        2.3.1 Noise levels第29-30页
        2.3.2 Noise sources on board ship第30-31页
    2.4 International standards for assessment第31-38页
        2.4.1 Vibration assessment第32页
        2.4.2 ISO 6954:1984第32-33页
        2.4.3 ISO 6954:2000第33-35页
        2.4.4 Structural Vibrations第35-36页
        2.4.5 Engine and equipment vibrations第36-37页
        2.4.6 Noise assessment第37-38页
        2.4.7 Noise limits on board ships第38页
    2.5 Summary第38-39页
Chapter 3 Modeling and methodology第39-61页
    3.1 Technology environment第39-45页
        3.1.1 RHINOCEROS Nurbs modeling第39-40页
        3.1.2 SOLID WORKS第40-41页
        3.1.3 ANSYS第41-42页
        3.1.4 ESI Va One第42页
        3.1.5 MAXSURF第42-43页
        3.1.6 IGES file format data exchange第43-45页
    3.2 General strategy第45-50页
        3.2.1 Software interaction第45-47页
        3.2.2 Data exchange and troubleshooting第47-48页
        3.2.3 Repairing IGES files with Rhino第48-50页
    3.3 Modeling第50-60页
        3.3.1 Introduction第50页
        3.3.2 Rhino Rapid hull modeling第50-53页
        3.3.3 Checking the hydrostatic characteristics第53-57页
        3.3.4 3D Ship structure modeling第57-60页
    3.4 Summary第60-61页
Chapter 4 Ship vibration simulation第61-93页
    4.1 Evaluation of natural vibrations第61-80页
        4.1.1 Final elements analysis procedure第64-65页
        4.1.2 3D finite elements models第65-68页
        4.1.3 Modal analysis第68页
        4.1.4 Global structures vibration simulation第68-74页
        4.1.5 Substructure vibration第74页
        4.1.6 Deck houses vibration第74-76页
        4.1.7 Engine foundation systems第76-77页
        4.1.8 Shaft line vibrations第77-80页
    4.2 Forced vibration simulation第80-92页
        4.2.1 Computation methods第80页
        4.2.2 Harmonic response analysis第80-83页
        4.2.3 Excitation forces第83-84页
        4.2.4 Main engine第84页
        4.2.5 Propeller第84-85页
        4.2.6 Shaft line第85-86页
        4.2.7 Loading cases for the forced vibrations analysis第86-92页
    4.3 Summary第92-93页
Chapter 5 Noise propagation simulation第93-108页
    5.1 Introduction to acoustic FE第93-102页
        5.1.1 Acoustic cylindrical cavities第94-96页
        5.1.2 Cylindrical cavity with metal plate第96-99页
        5.1.3 Two cylindrical cavities with a middle Aluminum plate第99-102页
    5.2 Ship substructure acoustic response第102-107页
        5.2.1 Model presentation第102-104页
        5.2.2 Acoustic propagation simulation第104-107页
    5.3 Summary第107-108页
Conclusion第108-110页
References第110-114页
Acknowledgement第114页

论文共114页,点击 下载论文
上一篇:Modern Shipbuilding Mode and Process Shipbuilding Production Optimization
下一篇:光学地震测量方法与关键技术研究