CAD Design in Modern Day Products
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Transcript of CAD Design in Modern Day Products
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CAD Design In Modern DayProducts
Warren R. Ross
Director, Naval Architecture
And Marine Engineering
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CAD Design in Modern Day Products
Challenge to Systems Engineers
Meet the Operational Requirements of a Project
Conducting Conceptual Analysis of Alternatives
Allocation of Top Level Requirements
Conducting Trade Off Studies
Balancing Cost, Schedule and Performance
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CAD Design in Modern Day Products
Why CAD Systems?
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CAD Design in Modern Day Products
EVOLUTION OF CALCULATIONS
Hand Calculations
Written Calculations
Mechanical Calculator
Electronic Calculator
Personal Computer or Mainframe
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CAD Design in Modern Day Products
EVOLUTION OF CALCULATIONS AT A GROCERY STORE
Hand Addition
Cash Register
Electronic Swipe Out
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CAD Design in Modern Day Products
Engineer Drawings
Artist Sketch
Drafting Room
CAD
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CAD Design in Modern Day Products
Its the Natural Course of Evolution
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CAD Design in Modern Day Products
Background and History of CAD Systems
CAD Computer Aided Design
1963 Ivan Sutherland at MIT Developed SKETCHPAD
Allowed the Designer to Interact With the ComputerGraphically
First Commercial Applications of CAD Were LargeCompanies in Automotive and Aerospace Industries
Advances in Computer Technology Have AllowedSkillful Applications of Computers in Design Activities
CAD is No Longer Limited to Drafting
CAD Ventures into Intellectual Areas of a DesignersExpertise
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CAD Design in Modern Day Products
Background and History of CAD Systems
AutoCAD
Bentley Systems CADDS5
Cadkey
CATIA
EDS Euclid
i-DEAS
List of CAD Companies and Software
Inventor
Intergraph Matricus
ME
Pro/Engineer
Qcad Solid Edge
Solid Works
Think3
Unigraphs
VariCAD Vectorworks
AutoCAD
Caddie
Microstation
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CAD Design in Modern Day Products
Background and History of CAD Systems
Avanti (Merged into Synopsys) Cadence Design Systems, Inc.
IC-Ed
Mentor Graphics
MyCad
Electronic Design Automation (EDA)
Umbrella Term for Computer-Aided Design andComputer-Aided Manufacturing of Electronics
Moores LAW
Stable-Soft Silvaco
Synopsys
Tanner Research
Hewlett Packard
Electronic Design Automation (EDA) Companiesand Software
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CAD Design in Modern Day Products
Background and History of CAD Systems
Moores LAW
Technology Development Complexity and Advances
in the Semiconductor Industry for Integrated CircuitsDoubles Every 18 Months
Equates to Performance Improvement of 1% Per
Week
Bottom Line
Product Improvements Occur at a Fast Pace
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CAD Design in Modern Day Products
Background and History of CAD Systems
Terminology
Wire Frame Model is an Electronic Representation of
a 3-Dimensional Physical Object It is Created by Specifying Each Edge of the Physical Object
It is Created by Connecting an Objects Constituent Vertices
Using Straight or Curved Lines
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CAD Design in Modern Day Products
Background and History of CAD Systems
Terminology
Solid Modeling
Models of Solid Objects Suitable for Computer Processing Sometimes Referred to as Volume Modeling
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CAD Design in Modern Day Products
Advantages of a CAD System
Ability to Composite or Interface Check 3D Systems
Lends Itself to Evaluate the Design
Acts as a Prototype Accurate
Permanent Record
Repeatability, Copy or Redraw Rapidly
Transportable Electronically
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CAD Design in Modern Day Products
Advantages of a CAD System
Reduce Storage
Standardize Formats
Standardize Material Standardized Components
Allows Human Engineering Studies
Allows Trade-off Studies
Make Changes Easily
Facilitates Checking
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CAD Design in Modern Day Products
Disadvantages of a CAD System
High Initial Capital Cost
Extensive Training
Continued Development Cost of Software Continued Development Cost of Hardware
Special Real Estate Considerations
HVAC
Lighting Arrangements
High Cost to Expand Capabilities
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CAD Design in Modern Day Products
Project Time
CostofDesign
Change
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CAD Design in Modern Day Products
MORAL OF THE STORY
Make Changes as Early as Possible
Reduces Design Development Cost
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CAD Design in Modern Day Products
Applications of a CAD System
Interface With Manufacturing and Drive the Process
Ability to Interface With Purchasing Automatically
Allows for Planning Electronically
Logistics Support and Life Cycle Management
Technical Manual Development
Integrate With Engineering Analysis
Database for Weight Control
Ability to Interface With Vendor Data
Facilitates the Use of Integrated Product Teams
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CAD Design in Modern Day Products
Applications of a CAD System
Interface With Manufacturing and Drive the Process
Sheet Metal
Pipe Bending
Structural Cutting
Welding
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CAD Design in Modern Day Products
Applications of a CAD System
Interface With Manufacturing and Drive the Process
Sheet Metal
Detail DesignAutomatic
Generation of Parts
for Flat Pattern
Loaded IntoMainframe for Future
Shop Download
Sheet Metal
Shop
Download
Plotter Shop
Nested Parts
Wiedematic
Plasma
Machines
Finished
Part
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CAD Design in Modern Day Products
Applications of a CAD System
Interface With Manufacturing and Drive the Process
Structural Cutting
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CAD Design in Modern Day Products
Applications of a CAD System
Interface With Manufacturing and Drive the Process
Welding (Robotics)
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Input Data to Catalog Material
Catalog
Delta Change Process
Catalog Transactions
nightly update
CAD
Issue
Purchase
Order
Issue Purchase
Requisition
Manual/Electronic
Process
CAD Design in Modern Day Products
Applications of a CAD System
Ability to Interface With Purchasing Automatically
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CAD Design in Modern Day Products
Applications of a CAD System
Logistics Support and Life Cycle Management
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CAD Design in Modern Day Products
Applications of a CAD System
Technical Manual Development
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CAD Design in Modern Day Products
Applications of a CAD System
Integrate With Engineering Analysis
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CAD Design in Modern Day Products
ANSYS
NASTRAN
PATRAN
ABAQUS
LS-DYNA
DYNA3D
LUSAS
FRANC 2D&3D
Common Finite Element Analysis Programs
FEMAP
FEMLAB
i-DEAS
ALGOR
NE NASTRAN
TRIFLEX
SIMSMART
STAAD.PRO
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CAD Design in Modern Day Products
Integrate With Engineering Analysis
Computer Aided Structural Analysis
Stress
Shock
Vibration
Thermal Stress
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CAD Design in Modern Day Products
Integrate With Engineering Analysis
Computer Aided Structural Analysis
Stress, Shock and Vibration
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CAD Design in Modern Day Products
Integrate With Engineering Analysis
Computer Aided Structural Analysis
Thermal Stress
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CAD Design in Modern Day Products
Thermal Stress Analysis
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CAD Design in Modern Day Products
Thermal Stress Analysis
40.7 ksi
44 ksi
37.5 ksi
33 ksi
37 ksi
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CAD Design in Modern Day Products
Thermal Stress Analysis
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CAD Design in Modern Day Products
Thermal Stress Analysis
41 ksi
40 ksi
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CAD Design in Modern Day Products
Thermal Stress Analysis
36 ksi
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CAD Design in Modern Day Products
Thermal Stress Analysis
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CAD Design in Modern Day Products
Applications a CAD System
Computer Aided Pipe Flow
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CAD Design in Modern Day Products
Applications of a CAD System
Electrical Load Analysis
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CAD Design in Modern Day Products
Applications of a CAD System
Computer Aided Pipe Flexibility
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CAD Design in Modern Day Products
Computer Aided Pipe FlexibilityThermal Effect
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CAD Design in Modern Day Products
Computer Aided Pipe FlexibilityThermal Pressure and Weight
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CAD Design in Modern Day Products
Computer Aided Pipe Flexibility
Vibration
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Extract Entity AttributesCenter of Gravity, Area,
Lengths
CAD
Weight Reporting
DatabaseMain Frame
Weight DatabaseDescription, Unit
Weight, Weight Class
CAD Design in Modern Day Products
Applications of a CAD SystemWeight
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CAD Design in Modern Day Products
Applications of a CAD System
Ability to Interface with Vendor Data
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CAD Design in Modern Day Products
Applications of a CAD System
Facilitates the Use of Integrated Product Teams
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CAD Design in Modern Day Products
LESSONS LEARNED
Choose a fully Developed CAD System for aProject
Anticipate Significant Cost to Tailor a CAD Systemto your application
Use a Proven CAD System
Allow Significant Time for Design Development
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CAD Design in Modern Day Products
CONTUSIONS
3D CAD Lends Itself to Complicated Designs
2D CAD Lends Itself to Less Complicated Designs
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CAD D i i M d D P d t
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CAD Design in Modern Day Products
Material
TOTALLY
INTEGRATED
CAD SYSTEM
Engineering
Marketing
Planning
Production
Research
and
Development
Customers
Suppliers
What Does the Future Bring?
CAD D i i M d D P d t
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CAD Design in Modern Day Products
Project Time
CostofDe
sign
Change
CAD D i i M d D P d t
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CAD Design in Modern Day Products
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