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Файл:0959145_CD752_ke_chen_jihui_liang_msc_adams_basic_training_and_examples.doc
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- •1 Adams/View Basics 1
- •2 Building Models in adams/View 13
- •3 Simulating Models in adams/View 46
- •4 Examples 53
- •5 Introduce adams/Car 113
- •6 Introducing Analyses in adams/Car 116
- •7 Creating and Simulating Suspensions 129
- •8 Template Builder Tutorial 141
- •SectionⅠ- adams/View
- •1.1.1 Steps in Modeling and Simulating
- •1.1.2 Build Your Model
- •Figure 1.1 Steps in Modeling and Simulating
- •1.1.3 Test and Validate Your Model
- •Validating Simulation Results
- •1.1.4 Refine Your Model and Iterate
- •1.1.5 Customize and Automate adams/View
- •1.2 Working with the adams/View
- •1.2.1 Starting adams/View
- •1.2.2 Adams/View Main Window
- •Figure 1.2 Initial adams/View Window
- •1.2.3 Starting a New Modeling Session
- •Figure 1.3. Welcome Dialog Box
- •1.3 Defining the Modeling Environment
- •1.3.1 Specifying the Type of Coordinate System
- •1. Types of Coordinate Systems
- •Figure 1.4 adams/View Coordinate System
- •2. About Orientation Angles and Rotations
- •3. Setting the Default Coordinate System
- •1.3.2 Setting Units of Measurement
- •1.3.3 Specifying Gravitational Force
- •1.3.4 Specifying Working Directory
- •2 Building Models in adams/View
- •2.1 Creating Parts
- •Figure 2.1 Geometric Modeling Palette and Tool Stack
- •2.1.1 Creating Construction Geometry
- •Table 2.1 Types of construction geometry
- •1. Defining Points
- •2. Defining Coordinate System Markers
- •Figure 2.2 Marker Screen Icons
- •3. Creating Lines and Polylines
- •4. Creating Arcs and Circles
- •5. Creating Splines
- •2.1.2 Creating Solid Geometry
- •Table2.2 adams/View Solid Geometry
- •1. Creating a Box
- •2. Creating Two-Dimensional Plane
- •3. Creating a Cylinder
- •4. Creating a Sphere
- •5. Creating a Frustum
- •6. Creating a Torus
- •7. Creating a Link
- •8. Creating a plate
- •9. Creating an Extrusion
- •2.1.3 Creating Complex Geometry
- •1. Chaining Wire Construction Geometry
- •2. Combining Geometry
- •2.1.4 Adding Features to Geometry
- •2.1.5 Working with Point Masses
- •2.2 Modifying Parts
- •2.2.1 Modifying Rigid Body Geometry
- •2.2.2 Modifying Part Properties
- •2.3 About Constraining Your Model
- •2.3.1 Types of Constraints
- •2.3.2 Accessing the Constraint Creation Tools
- •Figure 2.3 Constraint Palette and Tool Stacks
- •2.3.3 Working with Joints
- •2.3.3.1 Working with Idealized Joints
- •Table1 2.3 Simple joints in adams/View
- •Table1 2.4 Complex joints in adams/View
- •2.3.3.2 Working with Joint Primitives
- •Table1 2.5 Joint Primitives in adams/View
- •2.3.3.3 Working with Higher-Pair Constraints
- •2.3.3.4 Working with Motions generators
- •1. Joint Motion
- •2. Point Motion
- •2.4 Applying Forces to Your Model
- •2.4.1 Accessing the Force Tools
- •Figure 2.4 Create Forces Palette and Tool Stack
- •2.4.2 Constructing Applied Forces
- •2.4.3 Constructing Flexible Connectors
- •2.4.2.1. Working with Bushings
- •2.4.2.2 Working with Translational Spring-Dampers
- •2.4.2.3 Adding a Torsion Spring
- •2.4.2.4 Adding a Massless Beam
- •2.4.2.5 Adding a Field Element
- •3 Simulating Models in adams/View
- •3.1 Types of Simulations
- •3.2 Accessing the Simulation Controls
- •Figure 3.1 Simulation Controls
- •3.3 Performing an Interactive Simulation
- •3.4 Viewing and Controlling Animations
- •3.4.1 About Animating Your Simulation Results
- •3.4.2 Accessing the Animation Controls
- •Figure 3.2 Animation Container and Animation Control Dialog Box
- •3.4.3 Playing Animations
- •Table 3.1 Animation Play Options
- •4 Examples
- •4.1 The Latch Design Problem
- •4.1.1 Introducing the Latch Design Problem
- •Figure 4.1 Physical Model of Hand Latch Design
- •Figure 4.2 adams/View Latch Model
- •4.1.2 Building Model
- •Figure 4.3 Latch in Build Phase
- •1. To start adams/View and Setting Up Your Work Environment
- •2. Creating Design Points
- •Table 4.1 Points Coordinate Locations
- •3. Creating the Pivot
- •4. Creating the Handle
- •5. Creating the Hook
- •Table 4.2 Extrusion Coordinate Values
- •6. Creating the Slider
- •Table 4.3 Points Coordinate Locations
- •7. Connecting the Parts Using Revolute Joints
- •8. Simulating the Motion of Your Model
- •9. Saving Your Database
- •4.1.3 Testing Your First Prototype
- •1. Creating the Ground Block
- •2. Adding a Three-Dimensional Contact
- •3. Adding a Spring
- •4. Creating a Handle Force
- •5. Creating a Measure on the Spring Force
- •6. Creating an Angle Measure
- •Table 4.4 Overcenter_angle Measure Markers
- •Figure 4.4 Graphical Representation of overcenter_angle
- •7. Creating a Sensor
- •8. Saving Your Model
- •9. Simulating Your Model
- •4.1.4 Validating Results Against Physical Test Data
- •1. Importing Physical Test Data
- •2. Creating a Plot Using Physical Test Data
- •Figure 4.5 adams/PostProcessor
- •3. Modifying Your Plot Layout
- •4. Creating a Plot Using Virtual Test Data
- •5. Saving Your Model
- •4.1.5 Refining Your Design
- •1. Creating Design Variables
- •2. Reviewing Design Variable Values
- •4.1.6 Iterating Your Design
- •1. Performing a Manual Study
- •2. Running a Design Study
- •Dv_1 versus Trial plot Overcenter_angle plot
- •Design study report
- •3. Examining the Results of Design Studies
- •Table 4.5 Design Studies Results
- •4.1.7 Optimizing Your Design
- •1. Modifying Design Variables
- •Table 4.6 Design Variable Limits
- •2. Running an Optimization
- •4.2 The Front Suspension Design Problem
- •4.2.1 Introducing the Front Suspension Design Problem
- •Figure 4.6 Physical Model of Front Suspension
- •Figure 4.7 adams/View Front Suspension Model
- •4.2.2 Building Model
- •1. To start adams/View and Setting Up Your Work Environment
- •2. Creating Design Points
- •Table 4.7 Points Coordinate Locations
- •8. Creating the Knuckle
- •9. Creating the Wheel
- •10. Creating the Test_Patch
- •11. Creating the Spring
- •12. Creating the Spherical Joint
- •13. Creating the Fixed Joint
- •14. Creating the Revolute Joint
- •4.2.3 Testing the Front Suspension
- •2. Simulating the Motion of Your Model
- •3. Creating a Measure on the Kingpin_Inclination
- •Fig. The curve of the Kingpin_Inclination vs time
- •4. Creating a Measure on the Kingpin_Caster_Angle
- •5. Creating a Measure on the Front_Wheel Camber_Angle
- •6. Creating a Measure on the Front_Wheel Toe_Angle
- •7. Creating a Measure on the Sideways_Displacement of the Wheel
- •8. Creating a Measure on the Wheel_Travel
- •9. Creating curves on the Front Suspension characteristic
- •4.3 The Full Vehicle Design Problem
- •4.3.1 Creating Chassis Model
- •1. To start adams/View and Setting Up Your Work Environment
- •2. Creating Design Points
- •3. Creating Chassis
- •4.3.2 Creating Front Suspension Model
- •1. Creating Design Points
- •Table 4.8 Points Coordinate Locations
- •2. Creating Front Suspension
- •Figure 4.13 The body model of the chassis and the front suspension
- •3. Creating the Constraint Joint
- •4. Creating the Spring
- •Figure 4.14 The model of the chassis and the front suspension
- •4.3.3 Creating Steering System Model
- •1. Creating Design Points
- •Table 4.9 Points Coordinate Locations
- •2. Creating Steering System
- •Figure 4.15 The model of the steering trapezium
- •Figure 4.16 The model of the steering system
- •3. Creating the Constraint Joint
- •4.3.4 Creating Rear Suspension Model
- •1. Creating Design Points
- •Table 4.10 Points Coordinate Locations
- •2. Creating Rear Suspension
- •Figure 4.17 The model of the rear suspension
- •3. Creating the Constraint Joint
- •Figure 4.18 Creating the Revolute Joint
- •4. Creating the Spring
- •4.3.5 Creating Tire and Road
- •1. Creating Tire Property File
- •Figure 4.20 Analytical and Geometrical Representation of Tire
- •2. Creating Road Data File
- •3. Creating Tire and Road
- •Figure 4.21 The model of Tire
- •Figure 4.22 Full vehicle models
- •4.3.6 Testing the Full Vehicle
- •1. Creating Motion and Torque
- •Figure 4.23 Joint Motion Dialog Box
- •2. Creating curves on the vehicle characteristic
- •3. Simulation
- •5 Introduce adams/Car
- •5.1 What is adams/Car?
- •5.2 What You Can Do with adams/Car
- •5.3 How You Benefit from Using adams/Car
- •6 Introducing Analyses in adams/Car
- •6.1 About adams/Car Analyses
- •6.2 Types of Analyses
- •1. About Suspension Analyses
- •2. About Full-Vehicle Analyses
- •6.3 Introducing Suspension Analyses
- •6.3.1 Suspension Analysis Process
- •Figure 6.1 Suspension Analysis Process
- •6.3.2 Suspension Assembly Roles
- •6.3.3 Setting Suspension Parameters
- •6.3.4 Submitting Suspension Analyses
- •1. Specifying Number of Steps
- •Figure 6.2 Number of Inputs to Steps
- •2. Types of Suspension Analyses
- •6.4 Introducing Full-Vehicle Analyses
- •6.4.1 Full-Vehicle Analysis Process
- •Figure 6.3 Full-Vehicle Analysis Process
- •6.4.2 About the Full-Vehicle Analyses
- •1. Open-Loop Steering Analyses
- •2. Cornering Analyses
- •3. Straight-Line-Behavior Analyses
- •4. Course Analyses
- •5. Driver-Control-File-Driven Analysis (dcf Drive…)
- •6. Quasi-Static Analyses
- •7. Data-Driven Analysis
- •8. Adams/Driver Analyses
- •7 Creating and Simulating Suspensions
- •7.1 Starting adams/Car Standard Interface
- •7.2 Creating Suspension Assemblies
- •7.2.1 Creating a New Front Suspension Subsystem
- •1. Creating the front suspension subsystem:
- •Figure 7.1 Suspension Subsystem
- •2. To save the suspension subsystem
- •7.2.2 Creating a Suspension and Steering Assembly
- •Figure 7.2 Suspension and Steering Assembly
- •7.3 Performing a Baseline Parallel Wheel Travel Analysis
- •7.3.1 Defining Vehicle Parameters
- •7.3.2 Performing the Analysis
- •7.3.3 Animating the Results
- •7.4 Performing a Baseline Pull Analysis
- •7.4.1 Defining a Loadcase File
- •7.4.2 Performing the Analysis
- •7.4.3 Animating the Results
- •7.5 Modifying the Suspension and Steering Subsystem
- •7.5.1 Modifying Hardpoint Locations
- •7.5.2 Saving the Modified Subsystem
- •7.6 Performing an Analysis on the Modified Assembly
- •8 Template Builder Tutorial
- •Figure 8.1 MacPherson front suspension template model
- •8.1 Starting adams/Car Template Builder
- •Environment mdi_acar_usermode expert
- •8.2 Creating Topology for Your Template
- •8.2.1 Creating a Template
- •Figure 8.2 Main Window with Gravity Icon Displayed
- •8.2.2 Building Suspension Parts
- •1. Creating the Control Arm
- •Table 8.1 Wheel Carrier Hardpoints
- •Figure 8.3 Six hardpoints in the main window
- •2. To create the control arm part:
- •3. To create the control arm geometry:
- •8.2.3 Creating the Wheel Carrier
- •1. To create the hardpoints:
- •Table 8.2 Wheel Carrier Hardpoints
- •2. To create the wheel carrier part:
- •3. To add the wheel carrier link geometry:
- •8.2.4 Creating the Strut
- •8.2.5 Creating the Damper
- •1. To create a hardpoint:
- •2. To create the damper:
- •8.2.6 Defining the Spring
- •8.2.7 Creating the Tie Rod
- •8.2.8 Creating the Toe and Camber Variables
- •1. To create toe and camber variables:
- •8.2.9 Creating the Hub
- •1. To create a construction frame:
- •2. To create the hub part:
- •3. To create cylinder geometry for the hub:
- •8.2.10 Creating and Defining Attachments and Parameters
- •1. Defining the Translational Joint
- •2. Defining Control Arm Attachments
- •Figure 8.4 Create bushing Attachment dialog box
- •3. Defining the Strut Attachment
- •4. Defining Wheel Carrier Attachments
- •I Part: ._macpherson.Gel_tierod
- •5. Defining Hub Attachments
- •6. Defining Suspension Parameters
- •8.3 Creating a Suspension Subsystem
- •Table 8.3 Hardpoints To Be Modified
- •9 Creating and Simulating Full Vehicles
- •9.1 A Full-Vehicle Assembly
- •1. To open an assembly:
- •2. To create the Full-Vehicle assembly:
- •9.2 Performing a Single Lane-Change Analysis
- •1. Setting Up the Analysis
- •2. Animating the Results
- •3. Plotting the Results
- •Figure 9.1 Plot of Lateral Acceleration versus Time
- •9.3 Performing a Step Steer Analysis
- •9.4 Performing a Quasi-Static Steady-State Cornering Analysis
- •9.5 Performing a Baseline iso Lane-Change Analysis
- •9.6 Modifying the Full-Vehicle Assembly
- •1. To create a new spring property file:
- •2. To modify the springs:
- •Appendix a: adams/View keyboard shortcuts
- •Table 1. File Operation Shortcuts
- •Table 2. Edit Operation Shortcuts
- •Table 3. Display Operation Shortcuts
- •Viewing Operations Table 4. Viewing Operation Shortcuts
- •Table 5. Drawing Operation Shortcuts
- •Appendix b: adams/Car keyboard shortcuts
- •Table 1. File Operation Shortcuts
- •Table 2. Edit Operation Shortcuts
- •Table 3. Display Operation Shortcuts
- •Viewing Operations Table 4. Viewing Operation Shortcuts
- •References
Figure 4.13 The body model of the chassis and the front suspension
3. Creating the Constraint Joint
Select the Spherical Joint tool . Select the constraint method 2 Bod-1 Loc, and Normal To Grid. Select the Left_UCA and the Left_Kingpin, and then click the point: Left_UCA_outer, to create the constraint joint between the Left_UCA and the Left_Kingpin.
Select the Spherical Joint tool again. Place spherical joints at the following locations using the constraint method 2 Bod - 1 Loc, and Normal To Grid:
Between the Left_LCA and the Left_Kingpin at Left_LCA_outer.
Between the Left_Tie_rod and the Left_Pull_arm at Left_Tie_rod_outer.
Select the Fixed Joint tool . Select the constraint method 2 Bod-1 Loc, and Normal To Grid. Select the Left_Pull_arm and the Left_Kingpin, and then click the point: Left_Knuckle_inner, to create the constraint joint between the Left_Pull_arm and the Left_Kingpin.
Select the Fixed Joint tool again. Select the constraint method 2 Bod-1 Loc, and Normal To Grid, to create the constraint joint between the Left_Knuckle and the Left_Kingpin at Left_Knuckle_inner.
On the File menu, select Settings. Click Working Grid. In the Set Location box, select Pick, click design point: Left_UCA_outer. In the Set Orientation box, select Global YZ.
Click
Right_View tool
.
Select the Revolute Joint tool . Select the constraint method 2 Bod-1 Loc and Normal To Grid, Select the Left_UCA and the Chassis, and Click the point: Left_UCA_ inner, to create the revolute joint.
On
the File menu, select Edit. Click Modify.
Click
(Change Position). In the Rotate text box, enter 5,
then click
.
Close the dialog.
Select the Revolute Joint tool . Select the constraint method 2 Bod-1 Loc and Normal To Grid, Select the Left_LCA and the Chassis, and Click the point: Left_LCA_ inner, to create the revolute joint. On the File menu, select Edit. Click Modify. Click (Change Position). In the Rotate text box, enter 10, then click . Close the dialog.
Repeat above steps, to create the revolute joint between the right bodies of the front suspension.
4. Creating the Spring
Select the Point tool . Select Add to Part and Don’t Attach. Creating Design Points: Left_Spring_lower (-1314.390, 620.866, 523.473) on the Left_UCA.
Select the Point tool . Select Add to Part and Don’t Attach. Creating Design Points: Left_Spring_upper (-1314.390, 910.866, 523.473) on the Chassis.
Select the Spring tool . In the K, C text box, enter 129.8, 6000. Click Left_Spring_ lower and Left_Spring_upper, to create the left spring of the front suspension.
Select the Point tool . Select Add to Part and Don’t Attach. Creating Design Points: Right_Spring_lower (-1314.390, 620.866, -523.473) on the Right_UCA.
Select the Point tool . Select Add to Part and Don’t Attach. Creating Design Points: Right_Spring_upper (-1314.390, 910.866, -523.473) on the Chassis.
Select the Spring tool . In the K, C text box, enter 129.8, 6000. Click Right_Spring_ lower and Right_Spring_upper, to create the right spring of the front suspension.
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