Computer-Aided Graphing and Simulation Tools for AutoCAD Users (Hardcover)

Preface
Legal Notices
Acknowledgments
Author

Graphical Representation of Univariate Functions and of (x, y) Data Sets: The D_2D Program
Analytical Function Plots
Showing Extrema and Zeros of Graphs
Stem and Area Plots: Length of Curve and Area under a Curve
Windowing and Panning
Numbering Data Points
Plotting Functions with Singularities
Controlling Plot Features from within the Input Data File
Plotting Scattered Data
Plotting Ordered Data and Histograms
Plotting Inequalities
Parametric Plots
Animations
References and Further Readings

Graphical Representation of Functions of Two Variables: The D_3D Program
How D_3D Works?
D_3D Input Data Structure
Mesh Plots and the Visibility Problem
Node and Stem Plots
Equally Spaced Level -Curve Plots
Defect-Free Level -Curve Plots
Logarithmically-Spaced Level Curves
File Export and DXF Layer Organization
Axes Reversal and Plot Rotation
Gradient Plots
Truncated 3D Surface Representations
Constrained Function and Inequality Plots
Color-Rendered Plots
Plotting Multiple Surfaces on the Same Graph
Implementation Details of the D_3D Program
References and Further Readings

Programs and Procedures for Data Visualization and Data Format Conversion
LibPlots Subroutines for Generating 2D Plots
Basic 2D Plotting Using LibPlots
Multiple Plots with Markers
Plotting Large Data Sets and Data Read from File
Dynamic Plots with Scan Lines and Scan Points
Util~TXT Program for Manipulation of ASCII Files
Linear Interpolation
Cubic-Spline Interpolation
B-Spline Interpolation
Numerical Differentiation
Angle-Value Rectification
Data Decimation
DXF Output of 2D and 3D Polylines
Util~DXF Program for Visualization of R12 DXF Files
Extracting Polyline Vertex Coordinates
Raster Curve Digitization Using Util~DXF and Util~TXT
Transferring Level Curves from D_3D to D_2D
Util~PLT Program for Manipulating PLT Files
Flattening and Retouching Plots Created with D_2D
Alphanumerical Character Discretization
G_3D.LSP Program for Generating 3D Curves and Surfaces Inside AutoCAD
3D Polyline Plotting Using G_3D.LSP
3D Surface Plotting Using G_3D.LSP
M_3D.LSP Program for Automatic 3D Model Generation and Animation Inside AutoCAD
Animation of DXF Files with Multiple Layers Using M_3D.LSP
3D Model Generation with Data Read from File
Automatic Insertion of AutoCAD Blocks
References and Further Readings

Root Finding and Minimization or Maximization of Functions
Brent’s Zero Algorithm for Root Finding of Nonlinear Equations
Brent’s Method for Minimizing Functions of One Variable
Nelder?Mead Algorithm for Multivariate Function Minimization
Handling Constraints in Optimization Problems
Evolutionary Algorithm for Bounded -Optimum Search
Multicriteria Optimization Problems
Cantilever Beam Design Example
Design Space and Performance Space Plots
Pareto Front Search
References and Further Readings

Procedures for Motion Simulation of Planar Mechanical Systems
Sample Program Using the LibMec2D Unit and Subroutines Locus and CometLocus
Joints and Actuators Available for Mechanical System Simulation
Kinematic Analysis of Input Rotational Members
Procedures Crank and gCrank
Kinematic Analysis of Input Translational Members
Procedures Slider and gSlider
Position, Velocity, and Acceleration of Points and Moving Links
Procedures Offset and OffsetV
Procedures AngPVA, Ang3PVA, and Ang4PVA
Position, Velocity, and Acceleration in Relative Motion: Subroutine VarDist
Coriolis Acceleration Example: Subroutine PutVector
Model Validation: Subroutine ntAccel
Workspace Limits and Inquiry Subroutines PutDist and PutAng
Adding Complex Shapes to Simulations: Subroutines Base, Link, gShape, and Shape
Simulations Accompanied by Plots with Scan Lines and Scan Points
References and Further Readings

Kinematic Analysis of Planar Linkage Mechanisms Using Assur Groups
Assur Group ?Based Kinematic Analysis of Linkage Mechanisms
Intersection between Two Circles: Procedure Int2Cir
Velocity and Acceleration of the Intersection Points between Two Circles: Procedure Int2CirPVA
Kinematics of the RTRTR Double Linear Input Actuator: Procedure RTRTRc
Kinematics of the RTRTR Double Linear Input Actuator Using a Vector Equation Approach: Procedure RTRTR
Motion Transmission Characteristics of RTRTR-Based Mechanisms
Kinematic Analysis of the RTRR Oscillating-Slide Actuator Using Equations of Constraint: Procedure RTRRc
Kinematic Analysis of the RTRR Oscillating-Slide Actuator Using a Vector-Loop Approach: Procedure RTRR
Kinematic Analysis of the RRR Dyad: Procedures RRRc and RRR
Kinematic Analysis of the RR T Dyad Using a Vector-Loop Approach
RR_T Dyadic Isomer: Procedure RR_T
RRT_ Dyadic Isomer: Procedure RRT_
Kinematic Analysis of the RTR Dyad Using a Vector-Loop Approach: Procedure RT_R
Kinematic Analysis of the TRT Dyad Using a Vector-Loop Approach
T_R_T Dyadic Isomer: Procedure T_R_T
_TRT_ Dyadic Isomer: Procedure _TRT_
T_RT_ Dyadic Isomer: Procedure T_RT_
Kinematic Analysis of the RTT Dyad Using a Vector-Loop Approach
R_T_T Dyadic Isomer: Procedure R_T_T
RT_T_ Dyadic Isomer: Procedure RT_T_
R_TT_ Dyadic Isomer: Procedure R_TT_
RT__ Dyadic Isomer: Procedure RT_ _T
References and Further Readings

Design and Analysis of Disk Cam Mechanisms
Synthesis of Follower Motion
Synthesis and Analysis of Disc Cams with Translating Follower, Pointed or with Roller
Synthesis and Analysis of Disc Cams with Oscillating Follower, Pointed or with Roller
Synthesis and Analysis of Disc Cams with Translating Flat -Faced Follower
Synthesis and Analysis of Disc Cams with Oscillating Flat -Faced Follower
Synthesis of Disc Cams with Curvilinear-Faced Follower
Synthesis of Disk Cams with Arc-Shaped Follower
Synthesis of Disk Cams with Polygonal-Faced Follower
References and Further Readings

Spur Gear Simulation Using Working Model 2D and AutoLISP
Involute -Gear Theory
Involute Profile Mesh
Involute-Gear Mesh
Working Model 2D Simulations of Involute Profile Generation
Involute Profile Generation Using Gears.LSP
References and Further Readings

More Practical Problems and Applications
Duffing Oscillator
Free Oscillation of a Spring?Mass?Dashpot System
Frequency and Damping Ratio Estimation of Oscillatory Systems
Nonlinear Curve Fit to Data
Plotting Functions of More than Two Variables
Random Number Generation and Histogram Plots
Dwell Mechanism Analysis
Time Ratio Evaluation of a Quick-Return Mechanism
Examples of Iterative Use of the Procedures in Unit LibAssur
Simulation of a Four-Bar Linkage and of Its Fixed and Moving Centrodes
Planetary Gear Kinematic Simulation Using Working Model 2D
Implicit Function Plot
Inverse and Direct Kinematics of 5R and 2R Assembly Robots
Inverse and Direct Kinematics of the RTRTR Geared Parallel Manipulator
Kinematic Analysis of a Hydraulic Excavator and of a Rope Shovel
Kinematic Analysis of Independent Wheel Suspension Mechanisms of the Multilink and Double-Wish bone Type
Flywheel Sizing of a Punch Press
A Program for Purging Files from the Current Directory
References and Further Readings

Appendix A: Useful Formulae
Appendix B: Selected Source Code
Index