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3.6.2 Multistory Building Approximation Analysis Example .............................. 46
3.6.3 Response Spectra Examples....................................................................... 47
4 Program Verification .............................................................................................. 52
4.1
Accuracy of Computational Engine................................................................ 52
4.2
Accuracy of Multistory Building Approximation Analysis: Example ............. 54
APPENDIX A: Software Development Tools ............................................................... 60
APPENDIX B: Algorithm for Computing Isoductile Response Spectra......................... 61
B.1
Introduction ................................................................................................... 61
B.2
Properties of the Strength-Ductility Relationship ........................................... 61
B.3
Description of the Algorithm ......................................................................... 65
B.3.1 Initial Bounding of Solution....................................................................... 66
B.3.2 Fast Search Bisection................................................................................. 71
B.4
Comparison of Results with Other Programs.................................................. 73
B.4.1 Accuracy of Constant Ductility Response Spectra...................................... 74
B.4.2 Computational Efficiency .......................................................................... 75
B.5
Conclusion..................................................................................................... 77
B.6
Glossary/Definitions ...................................................................................... 77
APPENDIX C: Notation ............................................................................................... 78
APPENDIX D: USEE Organization .............................................................................. 81
APPENDIX E: References ............................................................................................ 83
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