• Welcome to Adams Flex
  • About Adams Flex
    • Benefits of Adams Flex
    • Ways to Use Adams Flex
    • About Flexible Bodies in Adams Flex
    • About the Flexible Body Description File (MNF)
    • About the MD DB
    • Steps in Modeling Flexible Bodies
• Building Flex Body Models
  • Creating a Flexible Body in Adams View
  • Creating a Flexible Body in Adams View (Classic Interface)
  • Connecting Flexible Bodies to Your Model
    • About Connecting Flexible Bodies
    • Limitations on Applying Elements to Flexible Bodies
    • Using Massless Links
    • Adding Markers to Flexible Bodies
  • Replacing Existing Bodies with Flexible Bodies
    • About Replacing Bodies with Flexible Bodies
    • Overall Procedure for Replacing Rigid Bodies with Flexible Bodies
    • Overall Procedure for Replacing Flexible Bodies with Flexible Bodies
    • Marker and Node Table
    • Attributes Inherited
    • Substitution Limitations
    • Handling of Expressions and Design Variables
    • Selecting the Existing and Replacement Bodies
    • Aligning Replacement Body
    • Transferring Connections
    • Replacing the Existing Body
    • Sorting Objects in Marker and Node Table
  • Reverting to Rigid from Flexible and Back Again
    • About Reverting to Rigid from Flexible Bodies
    • About Reverting to Flexible from Rigid Bodies
  • Verifying Flexible Bodies
    • Using the Info Tool to Verify Flexible Bodies
    • Using Adams Linear to Verify Flexible Bodies
  • Flexible Body Modeling with Adams Solver
    • Steps in Modeling Flexible Bodies with Adams Solver
    • Selecting Modes and Nodes
    • Creating Matrix Files
    • Writing Flexible Body Statements
  • Load Case Selection
    • To Activate load cases
    • To Deactivate load cases
• Setting Up Flexible Bodies for Testing
  • Testing Setup
    • Accessing the Flexible Body Modify Dialog Box
    • Changing Flexible Body and Modal Initial Conditions
    • Modifying the Modal Formulation
    • Controlling Errors During Simulations
  • Changing Modal Content
    • About Flexible Body Modal Content
    • Viewing Modes
    • Animating a Mode
    • Enabling and Disabling Modes
  • Specifying Damping
    • Specifying Generalized Damping
  • Formulations in Adams Solver
    • OPTIMIZED FORMULATION
    • MAX OPTIMIZATION FORMULATION
    • FLEXIBLE BODY FORMULATION SELECTION
  • Runtime Switching between Flexible and Rigid
• Reviewing Results
  • Visually Investigating Results
    • Substituting Outline Graphics for the Finite Element Mesh
    • Scaling the Deformations
    • Adding Contour or Vector Plotting
    • Specifying a Deformation Datum Node
    • Filtering Modes
    • Animating After a Flexible Body Swap
  • Examining Numeric Results
• Modeling Distributed Loads and Predeformed Flexible Bodies
  • Overview
    • Examples Illustrating Applied Loads and Preloads
    • Viewing Modal Forces
    • Tutorials
    • Creating Loadcase Files
• Translating FE Model Data
  • Introduction
  • FE Model Requirements
    • FEA Programs and MNF Translation
    • Node Number Limitation
    • Attachment Points
    • Mode Selection
    • Units in MNFs
    • Constraints and Rigid Body Modes
  • Setting Up Translation Options through the MNF Toolkit
    • About the MNF Toolkit
    • Automatic Interior Geometry Removal
    • Automatic Modal Load (MFORCE) Nodes Optimizer
    • Automatic Mesh Coarsening
    • Advanced Automatic Mesh Coarsening
    • Manual Mesh Simplification
    • Invariants Computation
    • Optimized Units
    • Single-Precision MNFs
    • Optimized Formatting of MNF
    • Sparse Stress and Strain Modes
    • Rigid-Only MNFs
    • High- and Low-Pass Frequency Filter
  • Translating MSC Nastran Data
    • Using MSC Nastran 2004 and Above
    • Optimizing MNF Directly from MSC Nastran
    • Verifying the Model
    • Computing MSC Nastran Stress/Strain Modes
    • MSC Nastran XDB Support for Stress/Strain Modes
    • Shortened Stress/Strain Modes
  • Translating MSC Marc Data
  • Translating ANSYS Data
    • Generating MNFs from ANSYS
    • Special Considerations for ANSYS 5.6 and 5.7
    • Verifying the Model
  • Translating ABAQUS Data
  • Translating I-DEAS Data
    • Creating a Connection DOF Set
    • Meshing the Model
    • Solving the Model
    • Checking the Results
• Creating an MD DB
  • Overview
• Translating Modal Test Data
  • Introduction
    • Universal File Requirements
    • Translating Universal File to MNF
• Using the Adams Flex Toolkit
  • Working with the Adams Flex Toolkit GUI
    • Accessing the Adams Flex Toolkit GUI
    • Browsing an MNF or an MD DB
    • Translating an MNF or an MD DB into a Matrix File
    • Optimizing an MNF or an MD DB
    • Editing an MNF or an MD DB File
  • Working with the Adams Flex Toolkit Command Line
    • Adams Flex Toolkit Command Line
    • Transforming an MNF or an MD DB
    • Converting Abaqus Input Files
    • Recovering Flexible Body Deformation
    • Editing an MNF or an MD DB
• Theory of Flexible Bodies
  • Introduction
  • History of Flexible Bodies in Adams
  • FFRF coordinate system
  • Reference Condition
  • Modal Superposition
    • Component Mode Synthesis (CMS)
    • Mode Shape Orthonormalization
    • References
  • Modal flexibility in Adams
    • Flexible Marker Kinematics
    • Applied loads
    • Flexible Body Equations of Motion
    • Dynamic Limit
  • Theory of Flexible Bodies
    • Rotor Dynamics
• Examples of Using Adams Flex
  • Examples
  • Example of Modal Loads
    • Overview
    • Correlation with MSC.Nastran Data
    • About the Tutorial Files
    • Starting Adams View
    • Creating a Measure
    • Creating a Modal Force to Apply the Distributed Loads
    • Simulating the Distributed Loads
    • Reviewing the Results of the Simulation
    • Viewing Effect of Disabling Modes
    • Running a Time-Independent (Static) Simulation
    • Simulating Remaining Loadcases
  • Example of Modeling Nonlinear Deformations
    • Overview
    • About the Example
    • Starting Adams View and Integrating the MNF
    • Integrating the Short Flexible Beam
    • Assembling a Sectioned Beam
    • Building a Single Flexible Body Beam
    • Adding a Spinning Shaft
    • Simulating the Beams
    • Animating the Results from a Top View
  • Example of Working with a Preloaded Flexible Body
    • Overview
    • Starting Adams View
    • Integrating the Links
    • Simulating the Preloaded Flexible Bodies
    • Adding Joints to Deformed Body
    • Performing Simulation and Investigating Results
  • Example of Using Adams Linear to Verify Flexible Bodies
    • Overview
    • Starting Adams View and Importing the MNF
    • Familiarizing Yourself with the Beam
    • Fixing the Beam
    • Running a Simulation
    • Running Adams Linear

Welcome to Adams Flex

Example of Using Adams Linear to Verify Flexible Bodies