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Stress in Flat Plate due to Different Diameter Holes

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Study of Effect of Circular Hole in Flat Plate on Stresses. the stresss distribution is studied through Finite element analysis Ansys

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Stress in Flat Plate due to Different Diameter Holes

  1. 1. STRESS IN A FLAT PLATE DUE TO CIRCULAR HOLE JJ TECHNICAL SOLUTIONS WWW.MECHIEPROJECTS.COM
  2. 2. AIM • To study the stresses in flat plate with circular hole, for different radius of holes(r=0.01 to 0.09 m for D=0.2 m ) • To study the effect of increase in hole dia. on the max. stresses developed. • To study the stress profile across the circular hole, through the plate width. • To tabulate and plot the max. stress generated in the flat plate with circular hole for different r/D.
  3. 3. SOLVER: ANSYS 14.0 MESH: STRUCTURAL SOLID “PLANE 182”; (QUAD 4 NODE 182) SOLUTION: STEADY STATE STRUCTURAL SOLUTION MATERIAL: Al. ALLOY EX: 69E9 Pa PRXY: 0.3 No. OF ELEMENTS: 244000 Fixed Edge of Plate 0.2 0.4 r (D) D is fixed r = 1. 0.01 m 2. 0.015 m 3. 0.02 m 4. 0.025 m 5. 0.03 m 6. 0.04 m 7. 0.05 m 8. 0.06 m 9. 0.07 m 10. 0.08 m 11. 0.09 m Units: Length: m Pressure: MPa Stress: MPa P = 250 MPa BOUNDARY CONDITIONS FOR THE PROBLEM STATEMENT
  4. 4. No. OF ELEMENTS: 287000 (Typ.) STRUCTURED MESH ELEMENTS IN THE PLATE – SMOOTH MESHING MESH: STRUCTURAL SOLID “PLANE 182”; (QUAD 4 NODE 182)
  5. 5. No. OF ELEMENTS: 287000 (Typ.) MESH ELEMENTS IN THE PLATE NEAR THE HOLE MESH: STRUCTURAL SOLID “PLANE 182”; (QUAD 4 NODE 182)
  6. 6. PRINCIPAL STRESS PLOT IN THE PLATE FOR Case I Case I r = 0.01 m D= 0.2 m P = 250 MPa
  7. 7. Case I r = 0.01 m D= 0.2 m P = 250 MPa PRINCIPAL STRESS DISTRIBUTION NEAR HOLE FOR Case I
  8. 8. Case II r = 0.015 m D= 0.2 m P = 250 MPa PRINCIPAL STRESS PLOT IN THE PLATE FOR Case II
  9. 9. Case II r = 0.015 m D= 0.2 m P = 250 MPa PRINCIPAL STRESS DISTRIBUTION NEAR HOLE FOR Case II
  10. 10. Case III r = 0.02 m D= 0.2 m P = 250 MPa PRINCIPAL STRESS PLOT IN THE PLATE FOR Case III
  11. 11. Case III r = 0.02 m D= 0.2 m P = 250 MPa PRINCIPAL STRESS DISTRIBUTION NEAR HOLE FOR Case III
  12. 12. Case IV r = 0.025 m D= 0.2 m P = 250 MPa PRINCIPAL STRESS PLOT IN THE PLATE FOR Case IV
  13. 13. Case IV r = 0.025 m D= 0.2 m P = 250 MPa PRINCIPAL STRESS DISTRIBUTION NEAR HOLE FOR Case IV
  14. 14. Case V r = 0.03 m D= 0.2 m P = 250 MPa PRINCIPAL STRESS PLOT IN THE PLATE FOR Case V
  15. 15. Case V r = 0.03 m D= 0.2 m P = 250 MPa PRINCIPAL STRESS DISTRIBUTION NEAR HOLE FOR Case V
  16. 16. Case VI r = 0.04 m D= 0.2 m P = 250 MPa PRINCIPAL STRESS PLOT IN THE PLATE FOR Case VI
  17. 17. Case VI r = 0.04 m D= 0.2 m P = 250 MPa PRINCIPAL STRESS DISTRIBUTION NEAR HOLE FOR Case VI
  18. 18. Case VII r = 0.05 m D= 0.2 m P = 250 MPa PRINCIPAL STRESS PLOT IN THE PLATE FOR Case VII
  19. 19. Case VII r = 0.05 m D= 0.2 m P = 250 MPa PRINCIPAL STRESS DISTRIBUTION NEAR HOLE FOR Case VII
  20. 20. Case VIII r = 0.06 m D= 0.2 m P = 250 MPa PRINCIPAL STRESS PLOT IN THE PLATE FOR Case VIII
  21. 21. Case VIII r = 0.06 m D= 0.2 m P = 250 MPa PRINCIPAL STRESS DISTRIBUTION NEAR HOLE FOR Case VIII
  22. 22. Case IX r = 0.07 m D= 0.2 m P = 250 MPa PRINCIPAL STRESS PLOT IN THE PLATE FOR Case IX
  23. 23. Case IX r = 0.07 m D= 0.2 m P = 250 MPa PRINCIPAL STRESS DISTRIBUTION NEAR HOLE FOR Case IX
  24. 24. Case X r = 0.08 m D= 0.2 m P = 250 MPa PRINCIPAL STRESS PLOT IN THE PLATE FOR Case X
  25. 25. Case X r = 0.08 m D= 0.2 m P = 250 MPa PRINCIPAL STRESS DISTRIBUTION NEAR HOLE FOR Case X
  26. 26. Case XI r = 0.085 m D= 0.2 m P = 250 MPa PRINCIPAL STRESS PLOT IN THE PLATE FOR Case XI
  27. 27. Case XI r = 0.085 m D= 0.2 m P = 250 MPa PRINCIPAL STRESS DISTRIBUTION NEAR HOLE FOR Case XI
  28. 28. Case XII r = 0.09 m D= 0.2 m P = 250 MPa PRINCIPAL STRESS PLOT IN THE PLATE FOR Case XII
  29. 29. Case XII r = 0.09 m D= 0.2 m P = 250 MPa PRINCIPAL STRESS DISTRIBUTION NEAR HOLE FOR Case XII
  30. 30. A B
  31. 31. 0 1000 2000 3000 4000 5000 6000 0 0.1 0.2 0.3 0.4 0.5 Max.Stress(MPa) r/D MAX STRESS COMPARISON FOR DIFFERENT R/D D r
  32. 32. Results and Discussions • The max. stresses generated due to various r/D, on the flat plate configuration are plotted and studied • The max. stress generated is almost constant for lower r/D, however for r/D>0.25 it increased exponentially • The stress distribution across the width of the plate is plotted • The stress distribution across the width of the plate is non linear for lower r/D, however for larger r/D it is a linear curve • The stress distribution around the hole is studied.
  33. 33. FOR MORE PROJECTS PRESENTATIONS AND PROJECT REPORTS VISIT WWW.MECHIEPROJECTS.COM THANKYOU

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