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Finite Element Analysis for Marine Structures

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  1. The Course

    Meet the Instructor
  2. Introduction to the Course
  3. Introduction to Elasticity and Resistance of Materials
    Introduction to Elasticity and Resistance of Materials
  4. Basic scantling of ships’ hulls
    Basic scantling of ships' hulls
  5. Introduction to the Finite Element Method (FEM)
    Introduction and history of the Finite Element Method (FEM)
  6. Basic concepts and element types
  7. Linear static problems in Finite Element Analysis (FEA): Discretization of the solution and shape functions
  8. Linear static problems in Finite Element Analysis (FEA): Strains, stresses and nodal forces
  9. Linear static problems in Finite Element Analysis (FEA): Stiffness matrix, boundary conditions, loading, and solution of the system
  10. Overview of a FEA code
  11. Introduction to a FEA software
    Software download, installation and validation
  12. General Preferences and GUI
  13. CAD: tools
  14. CAD: layers
  15. Geometry
    Geometry: import
  16. Geometry: repair
  17. Local axes
    Local axes: definition
  18. Local axes: applications
  19. Beams and shells
    Models with beams and shells
  20. Complete FE simple model: constraints
  21. Complete FE simple model: materials
  22. Complete FE simple model: loads
  23. Meshing of FEA models
    Meshing preferences, assigning different element types and changing elements' order
  24. Assigning element sizes and divisions: unstructured and structured meshes
  25. Analysis and post-processing of results
    Launching a simulation
  26. Post-processing procedures
  27. Case study
    Problem statement. CAD definition and preparation
  28. Boundary conditions and materials
  29. Loads
  30. Meshing
  31. Post process and reporting of results
  32. Regulations
    FEM Regulations
  33. Final Assignment
    Final Assignment
  34. Course Materials
    Course Materials (coming soon)
  35. Course Survey
    Course Evaluation Survey (coming soon)
  36. Summary
    Wrap-up

Hello everyone!

My name is Daniel Sá, and I will be your instructor for this Finite Element Analysis for Marine Structures course. I’m a Naval Architect with almost 20 years of experience in numerical simulation.

Why Finite Element Analysis? Finite element analysis has become a must for structural engineering, heat transfer, fluid flow, sea-keeping, and electromagnetics.

This course covers both the theoretical and practical aspects of finite element analysis.

In the theoretical section, we will cover the resistance and elasticity of materials, the beam-ship model and the initial scantling of hull structures, the different types of elements in the hull, and some of the aspects of the finite element theory (transfer functions, the different element types, etc.).

We will also cover how definite element methodology is coded into software: how the data is input, how it is processed, how the different boundary conditions, loads, etc., are assembled in the system matrix, and how that system is solved by means of different types of numerical solvers and how the code is able to output the solutions.

What about the practical lessons? In the practical lessons, you will learn how to install and work with a finite element software and how to import, prepare, repair, and clean 3D models, which we will use to analyze the structure. You will also learn how to apply local axes, interpret and apply boundary conditions correctly, apply loads, assign materials, generate correct meshes, assign sizes, and refine the meshes so that we can find a stable solution. We’ll also review how to calculate, how to post-process results, how to interpret the different results, and how to be able to extract them and use them in a compliant professional report.

The goal of the course is that after completing it, you will be able to analyze and verify with finite elements a marine structure but also any other structure.

For the practical part of the course, we will use a commercial software developed by Compass. You, as students, will receive free educational licenses. All of the concepts we will show in this course can be applied to another generic finite element code or commercial software.

At the end of the course, there will be a final project where you will be able to apply all the knowledge to verify the structure of a planning motorboat. Additionally, during the course, you will see that the different examples apply to a planning motorboat and a bulk carrier.

This course focuses on static and linear analysis. We plan to develop another extension involving nonlinear materials, nonlinear boundary conditions, large movements, and dynamic loads.

Who is this course for? Naval Architects, Marine Engineers, Civil Engineers, Architects, and anyone involved with structural analysis. The course focuses on marine structures, but the concepts can be applied to any other type of structure. It will also benefit students, researchers, Ph. D.s, and professors looking to transfer this knowledge to their students.

I hope you are as excited as I am. I really look forward to meeting you in the course.