1. Ashwath Department of Applied Mechanics Indian Institute of Technology Madras

2. Ashwath Department of Applied Mechanics Indian Institute of Technology Madras Over view  Steps in FE analysis  Various FEA software  Intro to Abaqus  Simple fracture problem

3. Ashwath Department of Applied Mechanics Indian Institute of Technology Madras General Steps in FE Analysis 1.Pre-Processing 1.Creation of Geometry 2.Assigning Material property 3.Selection of Element Type 4.Discretisation of model 2.Analysis 1.Applying Boundary Conditions 2.Applying Load (Pressure/moment) 3.Submission for Solving. 3.Post-Processing 1.Selecting the type of Field Variable interested 2.Visualization of selected Variable. 3.Generation of Graphs/Plots

4. Ashwath Department of Applied Mechanics Indian Institute of Technology Madras Various FEA Softwares for Structural Analysis 1.Ansys Ansys Workbench Ansys - LS Dyna 2.Abaqus CAE Standard Explicit 3. MSc Products Patran Nastran Dytran 4. LS-Dyna 5.Hyper mesh, Ideas, Unigraphics, Pro-Mechanica, Adina, Cosmos,

5. Ashwath Department of Applied Mechanics Indian Institute of Technology Madras Overview of Main Window

6. Ashwath Department of Applied Mechanics Indian Institute of Technology Madras Overview of Modules Modules –Part –Property –Assembly –Step –Interaction –Load –Mesh –Job –Visualization –Sketch Model data History data

7. Ashwath Department of Applied Mechanics Indian Institute of Technology Madras Components of Tool Bar

8. Ashwath Department of Applied Mechanics Indian Institute of Technology Madras Components of View Port Legend View orientation triad Status block Title block View port title

9. Ashwath Department of Applied Mechanics Indian Institute of Technology Madras Tutorial Problem Description 50 N 50 a=25

10. Ashwath Department of Applied Mechanics Indian Institute of Technology Madras Module : Part Sketching Part

11. Ashwath Department of Applied Mechanics Indian Institute of Technology Madras

12. Ashwath Department of Applied Mechanics Indian Institute of Technology Madras

13. Ashwath Department of Applied Mechanics Indian Institute of Technology Madras Tool>partition>face>sketch>apply>define partition> done Geometry Modeling part is done

14. Ashwath Department of Applied Mechanics Indian Institute of Technology Madras Module : Property Create Material properties

15. Ashwath Department of Applied Mechanics Indian Institute of Technology Madras Create Material Cont...

16. Ashwath Department of Applied Mechanics Indian Institute of Technology Madras Assign the material property to geometry

17. Ashwath Department of Applied Mechanics Indian Institute of Technology Madras Assembly – In abaqus for crack problems use independent mesh Module : Assembly

18. Ashwath Department of Applied Mechanics Indian Institute of Technology Madras Module : Step Create Step

19. Ashwath Department of Applied Mechanics Indian Institute of Technology Madras Module : Interaction

20. Ashwath Department of Applied Mechanics Indian Institute of Technology Madras

21. Ashwath Department of Applied Mechanics Indian Institute of Technology Madras

22. Ashwath Department of Applied Mechanics Indian Institute of Technology Madras Starting point End point section 20.1.10

23. Ashwath Department of Applied Mechanics Indian Institute of Technology Madras Crack is defined...! End point

24. Ashwath Department of Applied Mechanics Indian Institute of Technology Madras Go back to Module : Step for defining history output

25. Ashwath Department of Applied Mechanics Indian Institute of Technology Madras Module : Load Define load

26. Ashwath Department of Applied Mechanics Indian Institute of Technology Madras Boundary Conditions

27. Ashwath Department of Applied Mechanics Indian Institute of Technology Madras Module : Mesh

28. Ashwath Department of Applied Mechanics Indian Institute of Technology Madras

29. Ashwath Department of Applied Mechanics Indian Institute of Technology Madras Module : Job

30. Ashwath Department of Applied Mechanics Indian Institute of Technology Madras Mises Stress contour

31. Ashwath Department of Applied Mechanics Indian Institute of Technology Madras Energy Release Rate Note the G C value

32. Ashwath Department of Applied Mechanics Indian Institute of Technology Madras

33. Ashwath Department of Applied Mechanics Indian Institute of Technology Madras Reference  ABAQUS ONLINE HELP ABAQUS ONLINE HELP  PART IV:ABAQUS HELP PART IV:ABAQUS HELP  Section 20.1”Modeling fracture mechanics” Section 20.1”Modeling fracture mechanics  Section 7.10.2“Contour integral evaluation” Section 7.10.2“Contour integral evaluation Few ANSYS, ABAQUS - e-books & manuals  [_1_] [_6_] [_11_] [_1_][_6_]11  [_2_] [_7_] [_12_] [_2_][_7_]12  [_3_] [_8_] [_13_] [_3_][_8_]13  [_4_] [_9_] [_14_] [_4_][_9_]14  [_5_] [_10_] [_5_][_10_]

34. Ashwath Department of Applied Mechanics Indian Institute of Technology Madras