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Modules in the Course:

Module 0: How to learn here

• Course Introduction
• Guide on using the course

Module 1: Introduction to FEA

• What is FEA for?
• What does FEA do?
• FEA Workflow
• How to define a problem
• What is important in FEA
• Consistent unit system
• Conclusion

Module 2: Important Engineering Concepts

• What is stress
• Normal stress and shear stress
•  Stress in 3D
• Equivalent stress
• Hooke’s law
• Structural rigidity
• Stress concentrations
• Active forces and reaction forces balance
• Rigid body motion
• Conclusion

Module 3: Model Preparation

• Creating geometry in preprocessor
• Benefits of simplifying the geometry
• Model symmetry
• How to define symmetry in FEA
• Small details spoil mesh
• How to connect beams to shells and beams/shells to solids
• Rigid, hinged, semi-rigid connections in beam models
• How to check if the connection is a hinge
• How to calculate connection rigidity
• Linear material properties
• When linear material is not enough
• Conclusion

Module 4: Model Supports

• How to support your model
• Rigidity of supports
• Realistic boundary conditions
• Why pinned supports can be rigid!
• How to make an area support
• What can and cannot be simplified
• Boundary conditions and Hooke’s law
• Linear contact – the basics
• How to define linear contact
• When it is possible to ignore contact?
• Typical solutions for contact and BC:
• Example 1: Cantilever
• Example 2: Bolted connection
• Example 3: Beam on area support
• Example 4: Different rigidity supports
• Conclusion

• Realistic load values and codes
• Force vs Moment
• Gravity vs Pressure
• Conclusion

Module 6: Meshing

• Basic element types:
• Beam elements
• Plate elements
• Solid elements
• Choosing element type
• Higher order elements
• TET vs HEX
• Model Simplifications
• RBE – Rigid Body Elements
• Plain strain elements
• Mesh refinement:
• Mesh refinement: Case study
• Mesh refinement: Challange 1
• Mesh refinement: Challange 2
• Mesh and Mathematics (M&M!)
• Mesh Quality Measures
• Conclusion

Module 7: Analysis

• Analysis… let’s put your FEA solver to work!
• Linear Analysis Setup
• Solver vs pre/post processor
• Linear Static Limitations
• What does nonlinear material do?
• What does nonlinear geometry do?
• Contact
• Beyond Linear Static
• When it is safe to use linear static?
• Model Checking
• Troubleshooting
• Conclusion

Module 8: Post-Processing

• Post processing
• Stress/Strain/Displacement
• The Stress Map!
• Stress averaging
• Issues with stability
• Dealing with stress higher than yield
• Strain as a measure of capacity
• Deformations
• Beams in FEA
• Results verification
• Verification with hand calculations!
• Business side of the report
• Technical side of the report
• Conclusion

Example 1: Plate in tension

• Geometry
• Material properties
• Boundary conditions
• Meshing
• Analysis
• Post processing
• Conclusion

Example 2: Bolted cantilever

• Geometry
• Material properties
• Boundary conditions
• Meshing
• Analysis
• Post processing
• Conclusion

Example 3: Solid bracket

• Geometry
• Material properties
• Boundary conditions
• Meshing
• Analysis
• Post processing
• Conclusion

Example 4: Roof rafter stability

• Introduction: Stability design
• Introduction: LBA
• Introduction: LBA settings
• Geometry
• Supports / Loads / Mesh
• Initial stability calculations
• Critical bending moment calculation
• Critical bending moment in design
• Bracing influence on stability
• Developing model further – part 1
• Developing model further – part 2
• Conclusion

Example 5: Street lamp

• Geometry
• Base: Part 1
• Base: Part 2
• Post: Part 1
• Post: Part 2
• The top part
• Materials + Properties
• Meshing
• Base plate
• Base plate: “Bonus” video
• Lamp post
• Top part