Final report for WP4.3: Enhancement of design methods ... - Upwind

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Deliverable D4.3.6: Final report for WP4.3: Design methods and standards 2
Acknowledgement The presented work was funded by the Commission of the European Communities, Research Directorate-General within the scope of the Integrated Project “UpWind – Integrated Wind Turbine Design” (Project No. 019945 (SES6). This report is the result of work jointly carried out by several participants in Task 4.3 “Enhancement of design methods and standards”. Contributions from the University of Stuttgart (M. Kühn, T. Fischer), DTU/Risø (J.D. Sørensen), Delft University of Technology (W. de Vries), DONG A/S (N.J. Tarp- Johansen), GEGR-E (P.W. Cheng), GL Wind (K. Argyriadis, B. Schmidt), RAMBOLL A/S (H. Carstens, P. Passon, N. Kumar), Shell (A. Ploeg), CWMT (F. Vorpahl) and NREL (J. Jonkman) are gratefully acknowledged. Disclaimer All rights reserved. No part of this publication may be reproduced or transmitted by any means without written permission of the author(s). Any use or application of data, methods and/or results etc. occurring in this report will be at the user’s own risk. The institutions of the (co)author(s) accept no liability for damage suffered from the use or application thereof. STATUS, CONFIDENTIALITY AND ACCESSIBILITY Status Confidentiality Accessibility S0 Approved/Released X R0 General public X Private web site S1 Reviewed R1 Restricted to project members Public web site X S2 Pending for review R2 Restricted to European. Commission Paper copy X S3 Draft for comments R3 Restricted to WP members + PL S4 Under preparation R4 Restricted to Task members +WPL+PL PL: Project leader WPL: Work package leader TL: Task leader Deliverable D4.3.6: Final report for WP4.3: Design methods and standards 3
Page 1: Project UpWind Contract No.: 019945
Page 5 and 6: Summary The overall aim of the UpWi
Page 7: Table of Contents Acknowledgement..
Page 10 and 11: Task 4.1 Integration of support str
Page 12 and 13: Sequential coupling The sequential
Page 14 and 15: analysis. In the new multibody code
Page 16 and 17: Figure 2.4: 2nd global bending mode
Page 18 and 19: 3.2 Comparison of deterministic loa
Page 20 and 21: Figure 3.5: Time series of axial fo
Page 22 and 23: • Time domain simulation in ADCoS
Page 24 and 25: • A supplementary load vector for
Page 26 and 27: The following results are found: Fi
Page 28 and 29: Figure 4.5: Output positions in the
Page 30 and 31: It is directly visible that there i
Page 32 and 33: ated eigenfrequency is shifted into
Page 34 and 35: Water levels For the calculation of
Page 36 and 37: guidelines for the inclusion of cli
Page 38 and 39: damaging if the frequency of the ex
Page 40 and 41: uncertain parameters carefully. Thr
Page 42 and 43: Table 5.3 shows annual reliability
Page 44 and 45: Steel substructure for offshore win
Page 46 and 47: Table 5.16 shows the required FDF v
Page 48 and 49: A Fracture Mechanical (FM) modellin
Page 50 and 51: Figure 5.4: Annual reliability indi
Page 52 and 53:
Further, the effect of possible ins
Page 54 and 55:
Rainflow evaluation The load cases
Page 56 and 57:
For DLC 7.2 it has to be considered
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Guideline, DLC 1.5). Furthermore, t
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Table 5.28: Output locations for da
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From these results it can be clearl
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Figure 5.11: Normalised DELs with v
Page 66 and 67:
Figure 5.14 presents normalized DEL
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Figure 5.16: Output locations for e
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UPWIND WP4: Offshore Support Struct
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Final report for WP4.3: Enhancement of design methods ... - Upwind

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