Nonlinear Modeling of a Rail-sleeper-ballast System and Its Application in the Detection of Hidden Ballast Damage without Baseline Measurement

Engineering

1. Railway 100%
2. Bayesian Approach 90%
3. Damage Detection 84%
4. Ballast Stiffness 62%
5. Modal Identification 47%
6. Modal Parameter 44%
7. Visual Inspection 37%
8. Time Domain 32%
9. Measurement Noise 31%
10. Modeling Error 31%
11. Structural Model 28%
12. Ambient Vibration Test 24%
13. Mode Shape 23%
14. Finite Element Modeling 23%
15. Ballasted Track 23%
16. Parameter Space 19%
17. Test Data 19%
18. Concrete Sleeper 19%
19. Bayesian Model 17%
20. Joints (Structural Components) 17%
21. Predicted Model 17%
22. Field Test 16%
23. Posterior Probability 16%
24. Stiffness Distribution 15%
25. Rigidity 15%
26. Resonant Frequency 14%
27. Structural Health Monitoring 14%
28. Probability Density Function 12%
29. Full Scale 12%
30. Monitoring System 11%
31. Health Monitoring 11%
32. Model Updating Process 11%
33. Probability Distribution Function 11%
34. Optimization Method 11%
35. Smart System 11%
36. Bayesian Framework 11%
37. Local Minimum 11%
38. Rotational Stiffness 11%
39. Model Parameter 10%
40. Natural Mode 9%
41. Extensive Research 9%
42. Strain Relationship 9%
43. Probabilistic Approach 9%
44. Measurement Point 9%
45. Damage Surface 9%
46. Nonlinear Model 9%
47. Reference System 9%
48. Characteristic Vibration 9%
49. Economic Growth 9%
50. Accident Prevention 9%
51. Lagrange 7%
52. Applicability 7%
53. Selection Method 5%
54. Step Procedure 5%
55. Structural Damage 5%
56. Steel Frame 5%
57. Beam-Column 5%
58. Measured Data 5%
59. Column Connection 5%
60. Domain Model 5%
61. Acceptable Level 5%
62. Bolted Connection 5%
63. Model Building 5%
64. Vibration Amplitude 5%