Integrated Computer-Aided Design of Mechanical Systems

1 Introduction.- 1.1 The Developing Design Process.- 1.2 Design Methodology.- 1.3 Interactive Computer Graphics (ICG).- 1.4 Computer-Aided Engineering (CAE).- 1.4.1 Computer-Aided Design (CAD).- 1.4.2 Computer-Aided Analysis (CAA).- 1.4.3 Computer-Aided Draughting (CAD).- 1.4.4 Computer-Integrated Manufacturing (CIM).- 1.5 Initial Graphics Exchange Specification (IGES).- References.- 2 Three-Dimensional Automated Modelling.- 2.1 Automated Computer Graphics.- 2.2 Different Types of Modelling.- 2.2.1 Wire-Frame Modelling.- 2.2.2 Surface Modelling.- 2.2.3 Solid Modelling.- 2.3 Merits of Solid Modelling.- 2.4 Limitations of Solid Modelling.- References.- 3 Computer-Aided Design.- 3.1 Introduction.- First Case Study: Computer-Aided Design of Centrifugal Shot-Peening Equipment.- 3.2 The Shot-Peening Process.- 3.3 Historical Background.- 3.4 Design Constraints and Requirements.- 3.5 Conceptual Designs.- Second Case Study: Computer-Aided Design of a Fluid Coupling.- 3.6 Principle of Operation.- 3.7 Design Constraints and Requirements.- 3.8 Flow Models and Analysis.- 3.9 Conceptual Design.- 3.10 Evaluation of Coupling Design.- 3.11 Modified Design.- 3.12 The Need for Engineering Analysis.- References.- 4 Fundamentals of the Finite Element Method.- 4.1 Introduction.- 4.2 Fundamental Concept of the Finite Element Method.- 4.3 Fundamentals of Linear Elasticity.- 4.4 Principles of Finite Elements.- 4.5 Interpolation Polynomial Functions.- 4.6 Isoparametric Finite Element Representation.- 4.7 Derivation of a General Expression for Element Stiffness Matrix.- 4.8 Computer Implementation of Finite Element.- 4.8.3 Element Stiffness Matrix Generation and Assembly.- 4.9 Conclusions.- References.- 5 Computer-Aided Analysis.- 5.1 Introduction.- 5.2 General Purpose Finite Element Software.- 5.3 Computer-Aided System for Data Processing.- 5.4 Interactive Mesh Generation.- 5.5 Non-Linear Structural Analysis.- First Case Study: Computer-Aided Analysis of Wheel- Assembly.- 5.6 Structural Stress Analysis.- 5.7 Dynamic Response Studies.- Second Case Study: Computer-Aided Analysis of Fluid Coupling.- 5.8 Structural Stress Analysis and Dynamic Response Studies.- 5.9 Conclusions.- References.- 6 Computer-Integrated Manufacturing.- 6.1 Computer-Controlled Machine Tools.- 6.2 Types of Control Systems for NC Machines.- 6.3 NC Part-Programming Languages.- 6.4 NC Programming with Interactive Graphics.- 6.5 Tool Path Generation.- First Case Study: Computer-Integrated Manufacturing of Critical Components of Wheel-Assembly.- 6.6 Choice of Materials.- 6.7 Manufacture of Wheel-Assembly.- 6.8 Development of NC Machining Programs.- Second Case Study: Computer-Integrated Manufacturing of Fluid Coupling.- 6.9 Choice of Materials and NC Machining Programs.- 6.10 Concluding Remarks.- References.