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E Structural analysis of blades .................................................................................................................. 147<br />
E.1 Material description ........................................................................................................................... 147<br />
E.2 Mechanical properties ...................................................................................................................... 150<br />
E.3 Description of finite element model ........................................................................................... 152<br />
E.4 Load case A ............................................................................................................................................. 156<br />
E.5 Load case B ............................................................................................................................................. 160<br />
E.6 Load case C ............................................................................................................................................. 164<br />
E.7 Load case E ............................................................................................................................................. 167<br />
E.8 Load case F ............................................................................................................................................. 171<br />
E.9 Load case G ............................................................................................................................................. 174<br />
E.10 Deflection analysis ........................................................................................................................... 178<br />
E.11 Modal analysis .................................................................................................................................. 179<br />
E.12 Longevity expectation .................................................................................................................... 180<br />
E.13 Summary of analyses ...................................................................................................................... 182<br />
F Blade attachment ........................................................................................................................................ 183<br />
F.1 Dimensions ............................................................................................................................................. 187<br />
G Structural verification of shaft .............................................................................................................. 189<br />
H Tower analysis ............................................................................................................................................. 195<br />
H.1 Load case G ............................................................................................................................................ 196<br />
H.2 Flange assembly .................................................................................................................................. 198<br />
H.3 Load case H ........................................................................................................................................... 200<br />
I Furling and yaw analysis ......................................................................................................................... 201<br />
I.1 Yaw system .............................................................................................................................................. 201<br />
I.2 Furling mechanism .............................................................................................................................. 208<br />
I.3 Bearing contact pressure .................................................................................................................. 210<br />
J Alternative airfoil test ............................................................................................................................... 213<br />
J.1 Purpose ..................................................................................................................................................... 213<br />
J.2 Test equipment ...................................................................................................................................... 213<br />
J.3 Test setup and preparations ........................................................................................................... 216<br />
J.4 Test measurements ............................................................................................................................. 218<br />
J.5 Data conversion and analysis ......................................................................................................... 218<br />
K Compliance with IEC 61400-2 .............................................................................................................. 223