New rigid plastic constitutive model based on modified Gurson's yield function for the dynamic micro void evolution process and its applications Gurson型降伏関数に基づくミクロボイドの発展過程の新剛塑性数理構成式の構築とその応用

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著者

    • 殷, 雅俊 イン, ヤージュン

書誌事項

タイトル

New rigid plastic constitutive model based on modified Gurson's yield function for the dynamic micro void evolution process and its applications

タイトル別名

Gurson型降伏関数に基づくミクロボイドの発展過程の新剛塑性数理構成式の構築とその応用

著者名

殷, 雅俊

著者別名

イン, ヤージュン

学位授与大学

広島大学

取得学位

博士 (工学)

学位授与番号

乙第3101号

学位授与年月日

1998-09-10

注記・抄録

博士論文

目次

  1. Contents / p5 (0005.jp2)
  2. Abstract / p1 (0003.jp2)
  3. Acknowledgement / p4 (0005.jp2)
  4. 1.Background,Scope and Objective of the Thesis / p1 (0009.jp2)
  5. 2.URI Model―Upper-bound Rigid-plastic Constitutive Model for Isotropic-hardening Materials with Dynamic Micro Void Evolution Process / p7 (0012.jp2)
  6. 2.1 Introduction / p7 (0012.jp2)
  7. 2.2 Theoretical Framework / p11 (0014.jp2)
  8. 2.3 Discussions on URI Model / p20 (0019.jp2)
  9. 2.4 Rate of Plastic Work and its Decomposition / p26 (0022.jp2)
  10. 2.5 Physical Meaning of the Effective Quantities in URI Theory / p28 (0023.jp2)
  11. 2.6 Conclusions / p32 (0025.jp2)
  12. 3.Relation between the URI Model and Conventional Model:Re-construction and Comparison / p37 (0027.jp2)
  13. 3.1 Introduction / p37 (0027.jp2)
  14. 3.2 Comparison between the URI Model and Classical Levy-Mises Theory / p38 (0028.jp2)
  15. 3.3 Framework of the First Order Approximate Model / p39 (0028.jp2)
  16. 3.4 Framework of the Conventional Constitutive Model for Sintered Metals / p44 (0031.jp2)
  17. 3.5 Decomposition of Energy Rate in Conventional Model and Approximate Model / p47 (0032.jp2)
  18. 3.6 Comparison between the Conventional Model, Approximate Model and URI Model / p48 (0033.jp2)
  19. 4.Deformation and Damage Characteristics of Porous Materials under Different Triaxiality / p51 (0034.jp2)
  20. 4.1 Introduction / p51 (0034.jp2)
  21. 4.2 Summary on URI Model and Conventional Constitutive Model / p52 (0035.jp2)
  22. 4.3 Material to Be Studied / p55 (0036.jp2)
  23. 4.4 Detailed Conventional Models to Be Compared / p56 (0037.jp2)
  24. 4.5 Response of Porous Material Element under Uniaxial Stress Condition / p59 (0038.jp2)
  25. 4.6 Response of Porous Material Element under Biaxial Equal Stress Condition / p65 (0041.jp2)
  26. 4.7 Response of Porous Material Element under Uniaxial Tensile Strain Condition / p70 (0044.jp2)
  27. 4.8 Conclusions / p106 (0062.jp2)
  28. 5.Further Investigation on the Material Parameters in Modified Gurson's Yield Function / p109 (0063.jp2)
  29. 5.1 Introduction / p109 (0063.jp2)
  30. 5.2 Modification on the Gurson's Yield Function in History / p110 (0064.jp2)
  31. 5.3 Reconsideration on q₁ and q₂ / p113 (0065.jp2)
  32. 5.4 Re-recognition on Modified Gurson's Yield Function / p114 (0066.jp2)
  33. 5.5 Suggestions on the Measurement of q₁ and q₂ / p114 (0066.jp2)
  34. 5.6 Conclusions / p117 (0067.jp2)
  35. 6.Prediction on the Initial Critical Softening Point of Porous Materials / p121 (0069.jp2)
  36. 6.1 Introduction / p121 (0069.jp2)
  37. 6.2 Review of the Fracture Criteria for Ductile Materials / p123 (0070.jp2)
  38. 6.3 Definition of the Initial Critical Softening Point / p128 (0073.jp2)
  39. 6.4 A Few Opinions for Examining the Initial Critical Softening Point / p129 (0073.jp2)
  40. 6.5 A Few Concepts Defined from the URI Model / p130 (0074.jp2)
  41. 6.6 Possible Criterion for Predicting the Initial Critical Softening Point / p131 (0074.jp2)
  42. 6.7 Test and Verification of the Criterion / p131 (0074.jp2)
  43. 6.8 Mechanical Properties around the Initial Critical Softening Point / p132 (0075.jp2)
  44. 6.9 Conclusions / p146 (0082.jp2)
  45. 7.Engineering Applications of the URI Model to Static Rigid Plastic FEM of Porous Materials / p149 (0083.jp2)
  46. 7.1 Introduction / p149 (0083.jp2)
  47. 7.2 Rigid Plastic Variational Principle for Porous Materials / p151 (0084.jp2)
  48. 7.3 Numerical and Experimental Results / p157 (0087.jp2)
  49. 7.4 Conclusions / p171 (0094.jp2)
  50. 8.Engineering Applications of the URI model to Dynamic Rigid Plastic FEM Simulations of Metallic Plates Impacted by Projectiles / p173 (0095.jp2)
  51. 8.1 Introduction / p173 (0095.jp2)
  52. 8.2 Review of Penetration and Perforation Mechanics and Objective of Present Chapter / p175 (0096.jp2)
  53. 8.3 Dynamic Rigid Plastic Variational Principle for Porous Materials / p180 (0099.jp2)
  54. 8.4 Numerical Results / p182 (0100.jp2)
  55. 8.5 Conclusions / p203 (0110.jp2)
  56. 9.URM Model―Upper-bound Rigid-plastic Constitutive Model for Mixed Hardening Porous Materials with Dynamic Micro Void Evolution Process / p205 (0111.jp2)
  57. 9.1 Introduction / p205 (0111.jp2)
  58. 9.2 Fundamental Equations in the URM Model / p206 (0112.jp2)
  59. 9.3 Discussions on the URM Model / p218 (0118.jp2)
  60. 9.4 Rate of Plastic Work and its Decomposition / p221 (0119.jp2)
  61. 9.5 Physical Meaning of the Effective Quantities in the URM Model / p222 (0120.jp2)
  62. 9.6 Further Investigation on A Few Basic Formulations / p225 (0121.jp2)
  63. 9.7 Comments on the Relations between URM Model and URI Model / p227 (0122.jp2)
  64. 9.8 Calculation of the Damage and Active Stress under Uniaxial Stress and Uniaxial Strain States / p228 (0123.jp2)
  65. 9.9 Conclusions / p241 (0129.jp2)
  66. 10.General Conclusions and Recommendations / p243 (0130.jp2)
  67. 10.1 General Conclusions / p243 (0130.jp2)
  68. 10.2 Recommendations / p244 (0131.jp2)
  69. Published Papers During the Special Course Research for Ph.D. / p245 (0131.jp2)
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  • NII論文ID(NAID)
    500000185303
  • NII著者ID(NRID)
    • 8000000185585
  • DOI(NDL)
  • NDL書誌ID
    • 000000349617
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    • NDL ONLINE
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