Light Truck Frame Joint Stiffness Study Phase 1 Final Report

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TESTING PROCEDURE Joint 5-Torsion (Y) Test Setup Torsion test setup including LVDT placement Crossmember displacement measurement Side rail displacement measurement Report: A/SP-005-1 Light Truck Frame Joint Stiffness Study 43
TESTING PROCEDURE Joint Stiffness Summary A total of 135 tests were conducted. For each joint, three samples were tested three times in each direction. The load applied and the resulting deflections were measured. Data The deflection for each test was measured at increments as the joint was cyclically loaded and unloaded. The average slope of the measured deflections was fit and used to calculate the joint stiffness. An explanation and example of these results is shown below. The test results were evaluated for repeatability. Figure 12 compares the test results with the curve fit for the Fore/Aft loadcase of Joint 1. Three samples of Joint 1 were tested. Three tests were conducted on each sample. The curve fit for each sample, using the data from all three tests on the sample, was averaged. Figure 12: Comparison of Joint 1 Fore/Aft Test Results For Joint 1 (3 samples, 3 tests each) Report: A/SP-005-1 Light Truck Frame Joint Stiffness Study 44
Page 1 and 2: Light Truck Frame Joint Stiffness S
Page 3 and 4: EXECUTIVE SUMMARY Background There
Page 5 and 6: TABLE OF CONTENTS Introduction ....
Page 7 and 8: LITERATURE SEARCH Introduction A li
Page 9 and 10: LITERATURE SEARCH Joint Stiffness T
Page 11 and 12: FINITE ELEMENT ANALYSIS Introductio
Page 13 and 14: FINITE ELEMENT ANALYSIS Defining th
Page 15 and 16: FINITE ELEMENT ANALYSIS Load Applie
Page 17 and 18: FINITE ELEMENT ANALYSIS z L: Load F
Page 19 and 20: FINITE ELEMENT ANALYSIS Table 1: An
Page 21 and 22: TESTING PROCEDURE Test Repeatabilit
Page 23 and 24: TESTING PROCEDURE Joints 1 - 4 Pneu
Page 25 and 26: TESTING PROCEDURE Joint 1 - X Direc
Page 27 and 28: TESTING PROCEDURE Joint 1 - Torsion
Page 41 and 42: TESTING PROCEDURE Joint 5 - Hanging
Page 43: TESTING PROCEDURE Joint 5 - Z Direc
Page 47 and 48: TESTING PROCEDURE Table 2: Test Joi
Page 49 and 50: CORRELATION Table 3: Test and Analy
Page 51 and 52: SENSITIVITY STUDY The influence of
Page 53 and 54: SENSITIVITY STUDY C- Channel Gage C
Page 55 and 56: SENSITIVITY STUDY C- Channel Gage C
Page 57 and 58: SENSITIVITY STUDY Crossmember Gage
Page 59 and 60: JOINT STIFFNESS TOOLBOX Introductio
Page 61 and 62: JOINT STIFFNESS TOOLBOX Notes: * Mo
Page 71 and 72: APPENDIX A: ABSTRACTS Read Articles
Page 73 and 74: APPENDIX A: ABSTRACTS 7. SCF Design
Page 75 and 76: APPENDIX A: ABSTRACTS 15. Deformati
Page 77 and 78: APPENDIX A: ABSTRACTS reasonable ag
Page 79 and 80: APPENDIX A: ABSTRACTS frequency err
Page 81 and 82: APPENDIX A: ABSTRACTS 36. Dynamic R
Page 83 and 84: APPENDIX A: ABSTRACTS 43. Behavior
Page 85 and 86: APPENDIX A: ABSTRACTS 6. Connection
Page 87 and 88: APPENDIX B: MATERIAL TESTING REPORT
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APPENDIX B: MATERIAL TESTING REPORT
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APPENDIX C: TEST RESULTS Joint 1 Fo
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APPENDIX C: TEST RESULTS Joint 2 Ve
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APPENDIX C: TEST RESULTS Joint 3 To
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APPENDIX C: TEST RESULTS Joint 5 Fo
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APPENDIX D: DIAGRAM OF JOINT IN TES
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Light Truck Frame Joint Stiffness Study Phase 1 Final Report

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