This week-long course is directed toward the engineering professional simulating highly nonlinear, transient dynamic problems involving large deformations and contact between multiple bodies.

The course is fast paced and follows a workshop format with theory, practice and Q&A sessions.

Day 1: Theoretical Foundation

1. Implicit versus Explicit
2. Explicit Time Step Significance / Mass Scaling (Workshop)
3. Meshing for Explicit Success (Workshop)
4. Explicit Element Technology (Workshop)

Day 2: LSPP & Material Modeling

1. LS-PrePost Philosophy (Workshop)
2. Material Modeling: Metals, Elastomers, Foams (Workshop)
3. Equation of State (EOS)
4. Material Failure & Fracture (Workshop)
5. Rigid Bodies (Workshop)

Day 3: Contact & Load Initialization

1. Contact Theory & Application (Workshop)
2. Edge-to-Edge Contact & Other Pathologies (Workshop)
3. Tied-Contact: Mesh Transitions, Gluing, Welding (Workshop)
4. Negative Sliding Interface Energy (Workshop)
5. Implicit-to-Explicit Switching: Load Initialization (Workshop)

Day 4: Drop Test, Damping & Bird Strike (SPH)

1. Dynamic Relaxation for Bolt Preload (Workshop)
2. Damping (Workshop)
3. Drop Test Simulation (Workshop)
4. Smoothed Particle Hydrodynamics (Workshop)
5. Bird Strike / Ballistic Impact (Workshop)

Day 5: Multiphysics with LS-DYNA (DEM/CFD/FSI)

1. Optional fifth day of discrete element modeling, CFD & fluid structure interaction with thermal effects.

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This week-long course taught by Predictive Engineering will take the new user from the ground floor through FEA best practices to advanced subjects dealing with manifold and non-manifold surface modeling, detailed plate meshing and tet versus hex meshing. The final day will finish with a focus on customization and automation using Excel and Femap's own API interface.

The course will be fast paced and follow a workshop format with theory, practice and Q&A sessions.

COURSE OUTLINE:

Foundation of FEA Modeling with Femap + NX Nastran (Two Days)

1. FEA theoretical background w.r.t Beam, Isoparametric and special elements
2. Tour of Femap interface: Preferences, Panes, Toolboxes, Help and Tips & Tricks
3. Femap modeling workflow for Beam, Plate and Solid (BPS) elements
4. Static stress analysis and results interpretation of BPS elements
5. Introduction to Plate and Solid modeling with surface and solid geometry and Mesh Toolbox
6. Introduction to Assembly Modeling: Glued, Contact and Rigid element Usage

Advanced Femap + NX Nastran (Two Days)

1. Surface modeling using Manifold and Non-Manifold geometries
2. Advanced surface preparation for high-accuracy Plate modeling
3. Meshing toolbox tips and tricks with Jacobian optimization
4. Building efficient assemblies via efficient Solid modeling (tet & hex elements) and Linear Contact
5. Introduction to linear dynamics (modal analysis tips & tricks)
6. Non-linear analysis: geometric versus material non-linearity and best practices

Customization & Automation of Femap (One Day)

1. Automation of results processing via Excel
2. Introduction to Femap's macro capability
3. Introduction to Femap's API via Custom Tools
4. Programming Femap's API

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A 2-day course covering a broad introduction to modern finite element analysis and modeling techniques using Femap and NX Nastran.

WHAT'S COVERED:

1. Finite Element Technology - Basics
2. Beam and Isoparametric Elements
3. Foundations
4. Constraints and Loads Modeling
5. Assembly Modeling Basics
6. Results Validation
7. Fatigue

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A 2-day advanced tour through the robust modeling and analysis capabilities of Femap and NX Nastran using a blend of theory and practice that allows the experienced student to build complex and accurate FEA models of structures and systems.

1. Advanced Femap Modeling Topics
   a.) Free Body Diagram Toolbox
   b.) Variable Loading
   c.) Connections
   d.) Loads and Constraints
   e.) Meshing
   
   
2. Advanced Analysis Topics
   a.) Linear Contact and Bolted Connections
   b.) Laminate Elements
   c.) Nonlinear Analysis
   
   
3. Troubleshooting and Modeling Guidelines
   a.) Understanding Online Help Documentation.
   b.) Femap and NX Nastran Error Messages
   c.) Modeling guidelines and best practices
   d.) Open Discussion / Comments

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An introduction to the Femap Application Programming Interface using a blend of theory and practice that allows students to automate modeling processes, modify the model, import/export data and more.

1. Introduction to the Femap API and Object Oriented Programming
   a.) What is an API?
   b.) What is Object Orientated Programming?
   c.) Femap API Objects
   d.) Entity Types
   e.) Data Types
   f.) Dimension Variables
   g.) Object Syntax
   
   
2. Workshops:
   a.) Recording a Femap Macro (.pro, .prg)
   b.) "Hello World" - Your First Femap API
   c.) Femap Custom Tools
   d.) Creating Entities within the Femap Database (Femap Help File Example)
   e.) Extracting Data from the Femap Database
   f.) Applying Loads from Excel using the Femap API
   g.)Modifying the Model with the API and Event Callback

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View a sample of the class notes (PDF)

Download a sample workshop video (7MB zipped)