AN INTRODUCTION TO CAD/CAM/CAE IS A TIMELY TEXT WITH COVERAGE OF MANY MODERN TOPICS, INCLUDING: RAPID PROTOTYPING, VIRTUAL ENGINEERING, NT-BASED SOLID MODELING SYSTEMS, AND WEB-RELATED ISSUES. THIS BOOK PROVIDES BALANCED COVERAGE OF CAD/CAM (WITH SLIGHTLY MORE EMPHASIS ON CAD TOPICS) AND BONUS COVERAGE OF COMPUTER-AIDED ENGINEERING (CAE). THIS BOOK'S EMPHASIS ON THE INTEGRATION OF THREE RELATED DISCIPLINES-CAD, CAM, AND CAE-MAKES IT A GREAT THEORETICAL INTRODUCTION TO ALL SUBJECTS FROM GEOMETRIC REPRESENTATION TO THE MOST SOPHISTICATED CAE SUBJECTS. MANY ILLUSTRATIONS AND REFERENCES GROUND THE THEORY IN PRACTICAL EXAMPLES.THE BOOK ALSO FEATURES A UNIQUE ILLUSTRATION OF THE WHOLE PRODUCT DEVELOPMENT PROCESS THROUGH A PRACTICAL CASE STUDY THAT GIVES READERS A CLEAR IDEA HOW CAD, CAM, AND CAE SYSTEMS ARE INTEGRATED TO ACCELERATE THE PRODUCT DEVELOPMENT PROCESS.THIS BOOK IS CAREFULLY TARGETED TOWARD TODAY'S STUDENTS; TOPICS ARE INTRODUCED IN A CONCISE, EFFICIENT MANNER, WITH MATHEMATICAL TERMINOLOGY THAT IS KEPT TO A MINIMUM. A BACKGROUND IN PROGRAMMING, CALCULUS, AND MATRIX AND VECTOR ALGEBRA IS HELPFUL WHEN USING THIS TEXT.
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목차
CHAPTER 1INTRODUCTION TO CAD/CAM/CAE SYSTEMS1(17)
1.1OVERVIEW1(4)
1.2DEFINITIONS OF CAD, CAM, AND CAE5(3)
1.3INTEGRATING THE DESIGN AND8(3)
MANUFACTURING PROCESSES THROUGH A COMMON
DATABASE--A SCENARIO
1.4USING CAD/CAM/CAE SYSTEMS FOR PRODUCT11 (6)
DEVELOPMENT--A PRACTICAL EXAMPLE
QUESTIONS AND PROBLEMS17 (1)
CHAPTER 2COMPONENTS OF CAD/CAM/CAE SYSTEMS18 (18)
2.1HARDWARE COMPONENTS19 (7)
2.1.1VECTOR-REFRESH (STROKE-REFRESH)20 (2)
GRAPHICS DEVICES
2.1.2RASTER GRAPHICS DEVICES22 (4)
2.2HARDWARE CONFIGURATION26 (2)
2.3SOFTWARE COMPONENTS28 (5)
2.4WINDOWS-BASED CAD SYSTEMS33 (2)
QUESTIONS AND PROBLEMS35 (1)
CHAPTER 3BASIC CONCEPTS OF GRAPHICS36 (47)
PROGRAMMING
3.1GRAPHICS LIBRARIES36 (2)
3.2COORDINATE SYSTEMS38 (6)
3.3WINDOW AND VIEWPORT44 (3)
3.4OUTPUT PRIMITIVES47 (5)
3.4.1LINE47 (2)
3.4.2POLYGON49 (1)
3.4.3MARKER49 (2)
3.4.4TEXT51 (1)
3.5GRAPHICS INPUT52 (1)
3.6DISPLAY LIST53 (1)
3.7TRANSFORMATION MATRIX54 (11)
3.7.1TRANSLATION55 (1)
3.7.2ROTATION56 (4)
3.7.3MAPPING60 (4)
3.7.4OTHER TRANSFORMATION MATRICES64 (1)
3.8HIDDEN-LINE AND HIDDEN-SURFACE REMOVAL65 (6)
3.8.1BACK-FACE REMOVAL ALGORITHM66 (2)
3.8.2DEPTH-SORTING, OR PAINTER'S,68 (1)
ALGORITHM
3.8.3HIDDEN-LINE REMOVAL ALGORITHM68 (2)
3.8.4Z-BUFFER METHOD70 (1)
3.9RENDERING71 (6)
3.9.1SHADING72 (4)
3.9.2RAY TRACING76 (1)
3.10GRAPHICAL USER INTERFACE77 (2)
3.11X WINDOW SYSTEM79 (1)
QUESTIONS AND PROBLEMS80 (3)
CHAPTER 4COMPUTER-AIDED DRAFTING SYSTEMS83 (18)
4.1DRAWING SETUP83 (5)
4.1.1UNITS84 (1)
4.1.2THE SIZE OF DRAWING (LIMITS)84 (2)
4.1.3LAYER86 (1)
4.1.4GRID AND SNAP87 (1)
4.2BASIC DRAWING FUNCTIONS88 (4)
4.2.1STRAIGHT LINE88 (1)
4.2.2CIRCLE AND CIRCULAR ARC89 (1)
4.2.3SPLINE89 (1)
4.2.4DELETING89 (1)
4.2.5FILLETING AND CHAMFERING89 (1)
4.2.6HATCHING90 (2)
4.3ANNOTATION FUNCTIONS92 (1)
4.3.1DIMENSIONING92 (1)
4.3.2NOTES92 (1)
4.4UTILITY FUNCTIONS93 (3)
4.4.1COPY93 (1)
4.4.2WINDOW93 (1)
4.4.3SYMBOL94 (1)
4.4.4MACRO OR PARAMETRIC PROGRAMMING95 (1)
4.4.5MEASUREMENT95 (1)
4.4.6MISCELLANEOUS FUNCTIONS95 (1)
4.5COMPATIBILITY OF DRAWING FILES96 (1)
QUESTIONS AND PROBLEMS96 (5)
CHAPTER 5GEOMETRIC MODELING SYSTEMS101(48)
5.1WIREFRAME MODELING SYSTEMS102(1)
5.2SURFACE MODELING SYSTEMS103(1)
5.3SOLID MODELING SYSTEMS104(35)
5.3.1MODELING FUNCTIONS105(9)
5.3.2DATA STRUCTURE114(16)
5.3.3EULER OPERATORS130(2)
5.3.4BOOLEAN OPERATIONS132(2)
5.3.5CALCULATION OF VOLUMETRIC134(5)
PROPERTIES
5.4NONMANIFOLD MODELING SYSTEMS139(2)
5.5ASSEMBLY MODELING CAPABILITIES141(5)
5.5.1BASIC FUNCTIONS OF ASSEMBLY142(1)
MODELING
5.5.2BROWSING AN ASSEMBLY143(1)
5.5.3FEATURES OF CONCURRENT DESIGN144(1)
5.5.4USE OF ASSEMBLY MODELS145(1)
5.5.5SIMPLIFICATION OF ASSEMBLIES145(1)
5.6WEB-BASED MODELING146(1)
QUESTIONS AND PROBLEMS147(2)
CHAPTER 6REPRESENTATION AND MANIPULATION OF149(40)
CURVES
6.1TYPES OF CURVE EQUATIONS150(1)
6.2CONIC SECTIONS151(4)
6.2.1CIRCLE OR CIRCULAR ARC151(1)
6.2.2ELLIPSE OR ELLIPTIC ARC152(1)
6.2.3HYPERBOLA153(1)
6.2.4PARABOLA154(1)
6.3HERMITE CURVES155(2)
6.4BEZIER CURVE157(5)
6.4.1DIFFERENTIATION OF A BEZIER CURVE160(2)
EQUATION
6.4.2EVALUATION OF A BEZIER CURVE162(1)
6.5B-SPLINE CURVE162(11)
6.5.1EVALUATION OF A B-SPLINE CURVE171(1)
6.5.2COMPOSITION OF B-SPLINE CURVES171(1)
6.5.3DIFFERENTIATION OF A B-SPLINE CURVE171(2)
6.6NONUNIFORM RATIONAL B-SPLINE (NURBS)173(7)
CURVE
6.6.1EVALUATION OF A NURBS CURVE178(1)
6.6.2DIFFERENTIATION OF A NURBS CURVE178(2)
6.7INTERPOLATION CURVES180(5)
6.7.1INTERPOLATION USING A HERMITE CURVE180(4)
6.7.2INTERPOLATION USING A B-SPLINE184(1)
CURVE
6.8INTERSECTION OF CURVES185(2)
QUESTIONS AND PROBLEMS187(2)
CHAPTER 7REPRESENTATION AND MANIPULATION OF189(25)
SURFACES
7.1TYPES OF SURFACE EQUATIONS189(1)
7.2BILINEAR SURFACE190(1)
7.3COON'S PATCH191(2)
7.4BICUBIC PATCH193(3)
7.5BEZIER SURFACE196(5)
7.5.1EVALUATION OF A BEZIER SURFACE198(1)
7.5.2DIFFERENTIATION OF A BEZIER SURFACE199(2)
7.6B-SPLINE SURFACE201(2)
7.6.1EVALUATION OF A B-SPLINE SURFACE202(1)
7.6.2DIFFERENTIATION OF A B-SPLINE202(1)
SURFACE
7.7NURBS SURFACE203(5)
7.8INTERPOLATION SURFACE208(2)
7.9INTERSECTION OF SURFACES210(2)
QUESTIONS AND PROBLEMS212(2)
CHAPTER 8FINITE-ELEMENT MODELING AND214(43)
ANALYSIS
8.1INTRODUCTION TO FINITE-ELEMENT ANALYSIS215(3)
8.2FORMULATION OF THE FINITE-ELEMENT218(12)
METHOD
8.3 FINITE-ELEMENT MODELING230(3)
8.4AUTOMATIC MESH GENERATION233(14)
8.4.1NODE CONNECTION APPROACH234(3)
8.4.2TOPOLOGY DECOMPOSITION APPROACH237(2)
8.4.3GEOMETRY DECOMPOSITION APPROACHES239(1)
8.4.4GRID-BASED APPROACH240(3)
8.4.5MAPPED ELEMENT APPROACH243(2)
8.4.6IMPROVEMENT OF MESH QUALITY245(2)
8.5CASE STUDY247(8)
QUESTIONS AND PROBLEMS255(2)
CHAPTER 9OPTIMIZATION257(34)
9.1OPTIMIZATION OF THE OPTIMIZATION257(2)
PROBLEM
9.2 TREATMENT OF CONSTRAINTS259(5)
9.2.1EXTERIOR PENALTY FUNCTIONS260(2)
9.2.2INTERIOR PENALTY FUNCTIONS262(2)
9.3SEARCH METHODS264(2)
9.4SIMULATED ANNEALING266(9)
9.4.1COMBINATORIAL OPTIMIZATION267(1)
9.4.2ALGORITHM268(3)
9.4.3APPLICATIONS271(4)
9.5GENETIC ALGORITHMS275(7)
9.5.1BASIC PRINCIPLES276(4)
9.5.2APPLICATION280(2)
9.6STRUCTURAL OPTIMIZATION282(7)
9.6.1SIZING OPTIMIZATION283(1)
9.6.2SHAPE OPTIMIZATION284(2)
9.6.3TOPOLOGY OPTIMIZATION286(3)
QUESTIONS AND PROBLEMS289(2)
CHAPTER 10CAD AND CAM INTEGRATION291(28)
10.1OVERVIEW OF THE DISCRETE PART292(1)
PRODUCTION CYCLE
10.2PROCESS PLANNING293(7)
10.2.1MANUAL APPROACH294(5)
10.2.2VARIANT APPROACH299(1)
10.2.3GENERATIVE APPROACH300(1)
10.3COMPUTER-AIDED PROCESS PLANNING300(4)
SYSTEMS
10.3.1CAM-I CAPP301(2)
10.3.2MIPLAN AND MULTICAPP303(1)
10.3.3METCAPP303(1)
10.3.4ICEM-PART304(1)
10.4GROUP TECHNOLOGY304(12)
10.4.1CLASSIFICATION AND CODING305(1)
10.4.2EXISTING CODING SYSTEMS306(10)
10.5PRODUCT DATA MANAGEMENT (PDM) SYSTEMS316(1)
QUESTIONS AND PROBLEMS317(2)
CHAPTER 11NUMERICAL CONTROL319(59)
11.1INTRODUCTION319(1)
11.2 HARDWARE CONFIGURATION OF AN NC320(2)
MACHINE TOOL
11.3TYPES OF NC SYSTEMS322(1)
11.4NC/CNC/DNC322(3)
11.5BASIC CONCEPTS FOR PART PROGRAMMING325(7)
11.5.1COORDINATE SYSTEMS325(2)
11.5.2SYNTAX OF A PART PROGRAM327(5)
11.6MANUAL PART PROGRAMMING332(5)
11.7COMPUTER-ASSISTED PART PROGRAMMING337(16)
11.7.1APT LANGUAGE338(14)
11.7.2OTHER PART PROGRAMMING LANGUAGES352(1)
11.8PART PROGRAMMING FROM CAD DATABASE353(23)
11.8.1TOOL-PATH GENERATION356(5)
11.8.2TOOL-PATH SIMULATION AND361(2)
VERIFICATION
11.8.3CASE STUDY363(13)
QUESTIONS AND PROBLEMS376(2)
CHAPTER 12RAPID PROTOTYPING AND378(54)
MANUFACTURING
12.1OVERVIEW378(1)
12.2SPECIFIC RP&M PROCESSES379(13)
12.2.1STEREO LITHOGRAPHY382(1)
12.2.2SOLID GROUND CURING383(1)
12.2.3SELECTIVE LASER SINTERING384(2)
12.2.43D PRINTING386(1)
12.2.5LAMINATED-OBJECT MANUFACTURING387(2)
12.2.6FUSED-DEPOSITION MODELING389(1)
12.2.7LOW-COST RP&M MACHINES390(2)
12.3APPLICATIONS OF RP&M392(19)
12.3.1PROTOTYPE FOR DESIGN EVALUATION393(1)
12.3.2PROTOTYPE FOR FUNCTION393(1)
VERIFICATION
12.3.3RAPID TOOLING PROCESSES394(14)
12.3.4SPECIAL APPLICATION EXAMPLES408(3)
12.4STEREO LITHOGRAPHY PROCESS411(14)
12.4.1 GEOMETRY INPUT411(4)
12.4.2PART ORIENTATION415(1)
12.4.3SUPPORT STRUCTURE416(1)
12.4.4SLICE AND MERGE417(4)
12.4.5PREPARATION421(1)
12.4.6PART BUILDING421(3)
12.4.7PART COMPLETION AND DRAINING424(1)
12.4.8POST-PROCESSING424(1)
12.5SOFTWARE TECHNOLOGY FOR RP&M425(1)
PART PREPARATION SOFTWARE TASKS426(5)
QUESTIONS AND PROBLEMS431(1)
CHAPTER 13VIRTUAL ENGINEERING432(24)
13.1DEFINITION OF VIRTUAL ENGINEERING433(1)
13.2COMPONENTS OF VIRTUAL ENGINEERING433(5)
13.2.1VIRTUAL DESIGN434(1)
13.2.2DIGITAL SIMULATION435(1)
13.2.3VIRTUAL PROTOTYPING436(1)
13.2.4 VIRTUAL FACTORY437(1)
13.3APPLICATION OF VIRTUAL ENGINEERING438(3)
13.3.1DESIGN TOOL438(1)
13.3.2MANUFACTURABILITY ASSESSMENT439(1)
13.3.3QUALITY ESTIMATION AND CONTROL439(1)
13.3.4PROCESS VALIDATION AND439(1)
OPTIMIZATION
13.3.5PRODUCTION AND PRODUCT PLANNING440(1)
13.3.6CUSTOMER INTERFACE440(1)
13.3.7KNOWLEDGE DATABASE440(1)
13.3.8COLLABORATIVE ENGINEERING441(1)
13.4RELATED TECHNOLOGIES441(2)
13.4.1INTEGRATION OF CAD AND SIMULATION441(1)
13.4.2LOD AND CULLING442(1)
13.5INDUSTRY APPLICATION CASES OF VIRTUAL443(2)
ENGINEERING
13.6SOFTWARE PRODUCTS445(5)
13.7HARDWARE PRODUCTS450(3)
13.8RESEARCH ISSUES AND CHALLENGES OF453(1)
VIRTUAL ENGINEERING
QUESTIONS AND PROBLEMS454(2)
CHAPTER 14STANDARDS FOR COMMUNICATING456(12)
BETWEEN SYSTEMS
14.1EXCHANGE METHODS OF PRODUCT457(1)
DEFINITION DATA
14.2INITIAL GRAPHICS EXCHANGE458(5)
SPECIFICATION
14.3DRAWING INTERCHANGE FORMAT463(1)
14.4STANDARD FOR THE EXCHANGE OF PRODUCT464(3)
DATA
QUESTIONS AND PROBLEMS467(1)
APPENDIX AIMPLEMENTATION OF THE HALF-EDGE468(3)
DATA STRUCTURE
APPENDIX BIMPLEMENTATION OF THE WINGED-EDGE471(3)
DATA STRUCTURE
APPENDIX CEULER OPERATORS474(14)
C.1EULER OPERATORS USED IN SNUMOD474(5)
C.2APPLICATION OF EULER OPERATORS479(9)
APPENDIX DSTEP-BY-STEP ALGORITHM FOR488(7)
IMPLEMENTING BOOLEAN OPERATION
APPENDIX EDATA STRUCTURE AND TOPOLOGY495(9)
OPERATORS FOR NONMANIFOLD MODELING SYSTEMS
E.1DATA STRUCTURE495(5)
E.2OPERATORS USED TO MANIPULATE TOPOLOGY500(4)
APPENDIX FTHE DE CASTELJAU ALGORITHM504(3)
APPENDIX GEVALUATION OF THE B-SPLINE CURVE BY507(5)
THE COX-DE BOOR METHOD
APPENDIX HCOMPOSITION OF B-SPLINE CURVES512(3)
APPENDIX IPROOF OF THE FORMULA FOR B-SPLINE515(4)
DIFFERENTIATION
APPENDIX JPENG'S APPROACH TO CALCULATING THE519(4)
INTERSECTION OF NURBS SURFACES
J.1 SUBDIVISION519(2)
J.2TRACING INTERSECTION SEGMENTS521(2)
APPENDIX KFORMULATION OF FEA SYSTEM EQUATIONS523(6)
FROM THE GOVERNING DIFFERENTIAL EQUATION
APPENDIX LCOMPARISON OF WINDOWS-BASED CAD529(8)
SYSTEMS
REFERENCES537(11)
INDEX548
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