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- 1. Overview
 - 1.1. Before Starting the Motion Preprocessor
 - 1.2. Starting the Motion Preprocessor
 - 1.3. Main Window
 - 1.3.1. Layout of the Main Window
 - 1.3.2. Window Relocation
 - 1.3.3. File Menu
 - 1.3.4. Publish File
 - 1.3.5. Journal Record and Stop
 - 1.3.6. Settings
 - 1.3.7. Output Window
 - 1.3.8. Properties Window
 - 1.3.9. Quick Access Toolbar
 - 1.3.10. Working Window
 - 1.3.11. Subsystem Navigator
 - 1.3.12. Topology Navigator
 - 1.3.13. Work Navigator
 
- 1.4. Works and Models
 - 1.5. Files
 - 1.6. Entity Operations
 - 1.7. Pickers
 - 1.7.1. Point Picker
 - 1.7.2. Direction Picker
 - 1.7.3. Orientation Picker
 - 1.7.4. Transform Picker
 - 1.7.5. MultiFace Picker
 - 1.7.6. MultiNode Picker
 - 1.7.7. MultiPatch Picker
 - 1.7.8. MultiEdge Picker (FE Body)
 - 1.7.9. MultiGeneral Picker
 - 1.7.10. General Picker
 - 1.7.11. Faceset Picker
 - 1.7.12. Patchset Picker
 - 1.7.13. Node Picker
 - 1.7.14. Color Face Picker
 - 1.7.15. MultiEdge Picker (Rigid Body)
 - 1.7.16. Color Edge Picker
 
- 1.8. Ansys Motion License Information
 
- 2. Home
 - 3. Bodies
 - 3.1. Overview of Body Entities
 - 3.1.1. Classification of Body Entities
 - 3.1.2. Degree of Freedom for Bodies
 - 3.1.3. Body Entity Creation
 - 3.1.4. Location in the Subsystem Navigator
 - 3.1.5. Name Convention for Body Entities
 - 3.1.6. Modify Body Entities
 - 3.1.7. Properties of Body Entities
 - 3.1.8. Delete Body Entities
 - 3.1.9. Auxiliary Features in the Body Category
 
- 3.2. Solid Body (Rigid Body)
 - 3.3. CAD Geometry
 - 3.4. Simple Geometries
 - 3.5. Assembled Body (Rigid Body)
 - 3.6. Region
 - 3.7. Faceset
 - 3.8. Curveset
 - 3.9. Surface with Curvesets
 - 3.10. Range
 - 3.11. Boolean
 - 3.12. Split
 - 3.13. Switchable Body
 - 3.14. Marker
 - 3.15. Beam FE Body
 - 3.16. Mesh Generation
 - 3.17. Change Face Color
 - 3.18. Change Edge Color
 - 3.19. FE Body
 - 3.20. Nodal FE Body
 - 3.21. Nodeset
 - 3.22. Patchset
 - 3.23. Edgeset
 - 3.24. Elementset
 - 3.25. Rigid Body Element
 - 3.26. Point Mass
 - 3.27. Distributed Mass
 - 3.28. Modal FE Body
 - 3.28.1. Generating Modal Data in Motion
 - 3.28.2. User Defined Modal Data Format (UDMF)
 - 3.28.3. Generating Modal Data in MSC.NASTRAN
 - 3.28.4. Generating Modal Data in Ansys
 - 3.28.5. Generating Modal Data in Workbench
 - 3.28.6. Modal FE Body Creation in a Mesh (Import FE Data)
 - 3.28.7. Modal FE Body Properties in a Mesh
 - 3.28.8. Modal FE Body Deletion from a Mesh
 - 3.28.9. Modal FE Body Output
 
- 3.29. Nodal EasyFlex Body
 - 3.30. Modal EasyFlex Body
 - 3.31. Sheet Thicken
 
- 4. Groups
 - 5. Constraints
 - 5.1. Overview of Constraint Entities
 - 5.1.1. Classification of Constraint Entities
 - 5.1.2. Degree of Freedom and Constraints
 - 5.1.3. Constraint Entity Creation
 - 5.1.4. Location in the Subsystem Navigator
 - 5.1.5. Naming Convention for Constraint Entities
 - 5.1.6. Constraint Entity Modification
 - 5.1.7. Constraint Entity Properties
 - 5.1.8. Constraint Entity Connectors
 - 5.1.9. Constraint Entity Deletion
 - 5.1.10. Redundant Constraints
 
- 5.2. Revolute Joint
 - 5.3. Translational Joint
 - 5.4. Fixed Joint
 - 5.5. Ball Joint
 - 5.6. Cylindrical Joint
 - 5.6.1. Translational Motion Formulas
 - 5.6.2. Rotational Motion Formulas
 - 5.6.3. Formulas for Translational Friction in a Cylindrical Joint
 - 5.6.4. Formulas for Rotational Friction in a Cylindrical Joint
 - 5.6.5. Formulas for Restriction Force in Cylindrical Joint
 - 5.6.6. Cylindrical Joint Creation
 - 5.6.7. Cylindrical Joint Properties
 - 5.6.8. Cylindrical Joint Output
 
- 5.7. Plane Joint
 - 5.8. Distance Joint
 - 5.9. Universal Joint
 - 5.10. Screw Joint
 - 5.11. Constant Velocity Joint
 - 5.12. Orientation Primitive
 - 5.13. Parallel Primitive
 - 5.14. Inline Primitive
 - 5.15. Inplane Primitive
 - 5.16. Perpendicular Primitive
 - 5.17. Coupler
 - 5.18. Gear
 - 5.19. Rack and Pinion
 - 5.20. Cable
 - 5.21. Boundary Condition
 - 5.22. PTCV
 - 5.23. CVCV
 - 5.24. SixMotion
 - 5.25. Group Auto Connector
 
- 6. Forces
 - 7. Contacts
 - 7.1. Overview of Contact Entities
 - 7.2. General Contact
 - 7.3. Rigid to Rigid 3D Contact (RTR3D Contact)
 - 7.4. Flex to Rigid 3D Contact (FTR3D Contact)
 - 7.5. Flex to Flex 3D Contact (FTF3D Contact)
 - 7.6. Tie Contact
 - 7.7. Faceset
 - 7.8. Sphere to Multi-Curve Contact
 - 7.9. Cylinder to Multi-Curve Contact
 - 7.10. Multi-Curve to Multi-Curve Contact
 
- 8. Sub-Entities
 - 8.1. Overview of Sub-Entities
 - 8.2. Design Variable
 - 8.3. Design Point
 - 8.4. Design Frame
 - 8.5. Function Expression
 - 8.6. User Subroutines
 - 8.7. Variable Equations
 - 8.8. First Order Differential Equations
 - 8.9. Second Order Differential Equations
 - 8.10. Arrays
 - 8.11. Strings
 - 8.12. Splines
 - 8.13. Spline3D
 - 8.14. Simulation Scenarios
 - 8.15. Materials
 - 8.15.1. General Formulation for Material
 - 8.15.2. Material Classification
 - 8.15.3. Material Operation
 - 8.15.4. Material Properties
 - 8.15.5. Formulation and Parameters for a Linear Material
 - 8.15.6. Formulation and Parameters for a Hyper Elastic Material
 - 8.15.7. Formulation and Parameters for a Plasticity Material
 - 8.15.8. Formulation and Parameters for a Foam Material
 - 8.15.9. Using a Material
 
- 8.16. Modes
 - 8.17. S-Input
 - 8.18. S-Output
 - 8.19. Arguments
 - 8.20. Material Library
 - 8.21. User Subroutine Using Fortran
 - 8.22. User Defined Python Code
 
- 9. Simulation
 - 9.1. Simulation Overview
 - 9.2. Analysis
 - 9.3. Simulation
 - 9.3.1. Main Simulation Features
 - 9.3.2. Simulation Configuration Properties
 - 9.3.3. Simulation Configuration Parameters
 - 9.3.4. Solver Parameters for Simulation Configuration
 - 9.3.5. Dynamic Parameters for Simulation Configuration
 - 9.3.6. Static Parameters for Simulation Configuration
 - 9.3.7. Eigenvalue Parameters for Simulation Configuration
 - 9.3.8. Simulation Scenario for Simulation Configuration
 - 9.3.9. Nodal Output for Simulation Configuration
 - 9.3.10. Body Eigenvalue Analysis Operation
 - 9.3.11. Body Eigenvalue Analysis Properties
 - 9.3.12. Simulation Progress
 - 9.3.13. Thermal Parameters for Simulation Configuration
 - 9.3.14. Result Record
 
- 9.4. Durability Analysis
 - 9.5. Case
 - 9.6. Request
 - 9.7. DOE
 - 9.8. Contact Tolerance
 
- 10. EasyFlex
 - 11. Co-simulator
 - 11.1. Overview of File Generation Entities
 - 11.1.1. Classification of File Generation Entities
 - 11.1.2. File Generation Entity Creation
 - 11.1.3. Location in the Subsystem Navigator
 - 11.1.4. Name Convention for File Generation Entities
 - 11.1.5. File Generation Entity Modification
 - 11.1.6. File Generation Entity Properties
 - 11.1.7. File Generation Entity Deletion
 
- 11.2. M-File
 - 11.3. File Generation
 
- 12. Links
 - 12.1. Overview of Link Entities
 - 12.2. Path
 - 12.2.1. Path File Creation
 - 12.2.2. Path File Properties
 - 12.2.3. Center Position
 - 12.2.4. Assemble Radius
 - 12.2.5. Rotation Axis
 - 12.2.6. Creation of Sprocket and Rollers for Links (Track)
 - 12.2.7. Sprocket Propertis for Links (Track)
 - 12.2.8. Flat Roller Properties for Links (Track)
 - 12.2.9. Center Flange Roller Properties for Links (Track)
 - 12.2.10. Single Flange Roller Properties for Links (Track)
 - 12.2.11. Double Flange Roller Properties for Links (Track)
 - 12.2.12. General Roller Properties for Links (Track)
 - 12.2.13. Pulley Creation for CVT
 - 12.2.14. Pulley Properties for CVT
 
- 12.3. Segment
 - 12.3.1. Segment File Creation
 - 12.3.2. Segment File Properties
 - 12.3.3. Geometry Reference
 - 12.3.4. Segment Length
 - 12.3.5. Segment Height
 - 12.3.6. Connector List
 - 12.3.7. Transform List
 - 12.3.8. Contact List
 - 12.3.9. Creation of Links and Shoes for Links (Track)
 - 12.3.10. Simple Link Properties for Links (Track)
 - 12.3.11. V-type Link Property for Links (Track)
 - 12.3.12. Single Shoe Properties for Links (Track)
 - 12.3.13. Double Shoe Properties for Links (Track)
 - 12.3.14. Triple Shoe Properties
 - 12.3.15. General Shoe Properties
 - 12.3.16. Pin Creation for CVT
 - 12.3.17. Pin Properties for CVT
 
- 12.4. Chained System
 - 12.4.1. Creation of a Placing Entity for a Chained System
 - 12.4.2. Placing Entity Properties for a Chained system
 - 12.4.3. Placing Tab
 - 12.4.4. Contacts of Path and Segment Tab
 - 12.4.5. Connections of Segment and Segment Tab
 - 12.4.6. Contacts of Segment and Segment Tab
 - 12.4.7. Bearing Friction Loss Tab
 - 12.4.8. Links Output (Chain)
 
- 12.5. Tracked System
 - 12.6. Ball Placing
 - 12.7. Cplacing Connector
 - 12.8. Ball Placing Contact
 - 12.9. Soil Interaction
 - 12.10. Massless Track Link
 - 12.11. Ball Screw
 - 12.12. Water
 - 12.13. Thrust Force
 - 12.14. Hydro Force
 - 12.15. FE Film
 
- 13. Frequency Response
 - 14. Drivetrain
 - 14.1. Drivetrain Overview
 - 14.1.1. Classification of Drivetrain Entities
 - 14.1.2. Drivetrain Subsystem Creation
 - 14.1.3. Drivetrain Entity Creation
 - 14.1.4. Location in the Subsystem Navigator
 - 14.1.5. Name Convention for Drivetrain Entities
 - 14.1.6. Drivetrain Entity Modification
 - 14.1.7. Drivetrain Entities Deletion
 - 14.1.8. Drivetrain Analysis Type
 - 14.1.9. Drivetrain Designer
 - 14.1.10. Drivetrain Output Files
 
- 14.2. Body To DT
 - 14.3. Shaft Set
 - 14.4. Gear Set
 - 14.5. Bearings
 - 14.6. Housing
 - 14.7. Additional Entities
 - 14.8. Assembly Manager
 - 14.9. EHD Bearing
 - 14.10. Cycloidal Reducer
 - 14.11. Strain Wave Gear
 - 14.12. Vehicle Simulator
 - 14.13. Motor Designer
 - 14.14. Motor Assembly
 
- 15. Thermal
 - 16. Troubleshooting
 - 16.1. Contact Theory
 - 16.2. Contact Properties
 - 16.3. Contact Geometry
 - 16.4. Jacobian Finite Difference Method
 - 16.5. Failure to Detect Contact
 - 16.6. Problems with Cylindrical Models
 - 16.7. Stiffness and Damping Force
 - 16.8. Edge Contact Geometry Distortion
 - 16.9. Energy Conservation and Solving Stepsize
 - 16.10. Small Step Size
 - 16.11. General Tips
 - 16.12. Legacy File Compatibility with Parasolid Kernel Transition