1. PRESENTED BY V.GUNASEKARAN MODELING AND FEM ANALYSIS FOR GEAR PLATE HOUSING UNDER THE GUIDANCE OF Ms. S.SRIDEVI, M.E LECTURER DEPARTMENT OF MECHANICAL ENGINEERING BHARATHIYAR COLLEGE OF ENGINEERING & TECHNOLOGY KARAIKAL

4. REQUIREMENTS FOR THE ANALYST The analyst needs certain requirements while designing and assembling the parts of the product. Those requirements are mentioned below. • Displacement at certain points • Stress distribution • Natural frequencies • Vibrations • Pressure, Velocity and temperature distribution • Crack growth, residual strength and fatigue life.

5. METHODS OF ENGINEERING ANALYSIS There are different approaches to achieve the requirements They are • Experimental methods • Analytical methods • Numerical methods or approximate methods

6. EXPERIMENTAL METHODS In this method, prototypes can be used. If we want to change the dimensions of the prototype, we have to disassemble the entire prototype and reassemble it and then testing should be carried out. It needs man power and materials. So it is time consuming and costly process.

7. ANALYTICAL METHODS In these methods, problems are expressed by mathematical differential equations. It gives quick and closed form solutions. It is used only for simple geometries and idealized support and loading conditions.

8. NUMERICAL METHODS Analytical solutions can be obtained only for certain simplified situations. For problems involving complex material properties and boundary conditions, the engineer prefers a numerical method that gives approximate but acceptable solutions.

12. FINITE ELEMENT PROBLEMS Based on application, the finite element problems are classified as follows: • Structural problems. • Non-structural problems.

15. DIMENSIONAL VIEW OF GEAR PLATE HOUSING

16. GEAR PLATE HOUSING

17. GEAR PLATE ASSEMBLY

19. PART MODELING Once we can learn how to build a 3D parametric part from a 2D sketch by combining basic and advanced features, such as extrusions, sweeps, cuts, holes, slots, and rounds. Finally, Part Modeling Help provides procedures for modifying part features and resolving failures.

20. MASS CALCULATIONS From the dimensions of gear plate housing the volume and mass were calculated Volume of the gear plate housing = 4.48xl0 6 m 3 Density of wrought iron = 770 kg/m 3 Weight of the gear plate housing = 3.45 kg Maximum Tensile stress for wrought iron = 4000 N/mm 2 Compressive stress for wrought iron = 2000 N/mm 2

21. ANSYS ANSYS is a general-purpose finite element- modeling package for numerically solving a wide variety of mechanical problems. These problems include; static/dynamic structural analysis (both linear and non­linear), heat transfer and fluid problems, as well as acoustic and electro­magnetic problems .

22. STEPS INVOLVED IN ANSYS Preprocessor Lets the user build the model geometry and assign element types, geometric and material properties. Solution Lets the user select the type of analysis, apply the boundary conditions to the FE model and invoke the solution process of the FE equations.

23. GENERAL POSTPROCESSOR Lets the user view results obtained in the FE analysis for the entire model for static or study state analyses. It will also provide the instantaneous results at selected points in time for transient and dynamic

24. RESULT FOR THE EXSISTING MODEL The result has been calculated for the model. MODEL Weight- 3.45 kg Stress-1541 N/mm 2 It is clear from the results that the stress values are well with in the limits. So the design is under safer condition.

27. REMODELLED HOUSING

28. RESULTS FOR THE ANALYSIS MESHED MODEL

29. CONSTRAINTS AND LOAD CONDITIONS

30. DISPLACEMENT

31. STRESS DISTRIBUTION

36. THANK YOU