<table cellspacing="0" cellpadding="0" border="0"> <tr><td height="14"></td></tr> <tr align="center" valign="middle"> <td width="208"><a href="pages/page_91.html"><img src="thumbnails/s91.jpg" width="175" height="180" border="0" hspace="14" vspace="0" alt="Example 9, Slide 9: Starting design of a short propellant tank with one set of supporting struts, called "aft""></a></td> <td width="208"><a href="pages/page_92.html"><img src="thumbnails/s92.jpg" width="180" height="177" border="0" hspace="14" vspace="0" alt="Example 9, Slide 10: Optimized design of a short propellant tank with one set of supporting struts, called "aft""></a></td> <td width="208"><a href="pages/page_93.html"><img src="thumbnails/s93.jpg" width="180" height="177" border="0" hspace="14" vspace="0" alt="Example 9, Slide 11: Plan view of the one set of strut supports for the optimized design of the short propellant tank with 4 pairs of struts attached "></a></td> <td width="208"><a href="pages/page_94.html"><img src="thumbnails/s94.jpg" width="177" height="180" border="0" hspace="14" vspace="0" alt="Example 9, Slide 12: Plan view of the AFT set of 2 pairs of strut supports for the optimized design of the long propellant tank with aft & forward set"></a></td> <td width="208"><a href="pages/page_95.html"><img src="thumbnails/s95.jpg" width="177" height="180" border="0" hspace="14" vspace="0" alt="Example 9, Slide 13: Plan view of the AFT set of 3 pairs of strut supports for the optimized design of the long propellant tank with aft & forward set"></a></td> </tr> <tr><td height="5"></td></tr> <tr align="center" valign="top"> <td width="208"><table cellspacing="0" cellpadding="5" border="0"><tr><td align="center"><small class="title">Example 9, Slide 9: Starting design of a short propellant tank with one set of supporting struts, called "aft"</small></td></tr></table></td> <td width="208"><table cellspacing="0" cellpadding="5" border="0"><tr><td align="center"><small class="title">Example 9, Slide 10: Optimized design of a short propellant tank with one set of supporting struts, called "aft"</small></td></tr></table></td> <td width="208"><table cellspacing="0" cellpadding="5" border="0"><tr><td align="center"><small class="title">Example 9, Slide 11: Plan view of the one set of strut supports for the optimized design of the short propellant tank with 4 pairs of struts attached </small></td></tr></table></td> <td width="208"><table cellspacing="0" cellpadding="5" border="0"><tr><td align="center"><small class="title">Example 9, Slide 12: Plan view of the AFT set of 2 pairs of strut supports for the optimized design of the long propellant tank with aft & forward set</small></td></tr></table></td> <td width="208"><table cellspacing="0" cellpadding="5" border="0"><tr><td align="center"><small class="title">Example 9, Slide 13: Plan view of the AFT set of 3 pairs of strut supports for the optimized design of the long propellant tank with aft & forward set</small></td></tr></table></td> </tr> <tr><td height="14"></td></tr> <tr><td height="14"></td></tr> <tr align="center" valign="middle"> <td width="208"><a href="pages/page_96.html"><img src="thumbnails/s96.jpg" width="175" height="180" border="0" hspace="14" vspace="0" alt="Example 9, Slide 14: Plan view of the AFT set of 8 pairs of strut supports for the optimized design of the long propellant tank with aft & forward set"></a></td> <td width="208"><a href="pages/page_97.html"><img src="thumbnails/s97.jpg" width="172" height="179" border="0" hspace="14" vspace="0" alt="Example 9, Slide 15: Optimization via the GENOPT processor called "SUPEROPT". Objective versus design iterations"></a></td> <td width="208"><a href="pages/page_98.html"><img src="thumbnails/s98.jpg" width="128" height="180" border="0" hspace="14" vspace="0" alt="Example 9, Slide 16: Design sensitivity of the optimized long propellant tank with aft and forward struts, 4 strut pairs in each set of struts"></a></td> <td width="208"><a href="pages/page_99.html"><img src="thumbnails/s99.jpg" width="180" height="119" border="0" hspace="14" vspace="0" alt="Example 9, Slide 17: Modal vibrations of the optimized strut-supported long propellant tank in which most of the energy is in the strut extension and "></a></td> <td width="208"><a href="pages/page_100.html"><img src="thumbnails/s100.jpg" width="180" height="133" border="0" hspace="14" vspace="0" alt="Example 9, Slide 18: Modal vibrations of the optimized strut-supported long propellant tank in which most of the energy is in shell deformation"></a></td> </tr> <tr><td height="5"></td></tr> <tr align="center" valign="top"> <td width="208"><table cellspacing="0" cellpadding="5" border="0"><tr><td align="center"><small class="title">Example 9, Slide 14: Plan view of the AFT set of 8 pairs of strut supports for the optimized design of the long propellant tank with aft & forward set</small></td></tr></table></td> <td width="208"><table cellspacing="0" cellpadding="5" border="0"><tr><td align="center"><small class="title">Example 9, Slide 15: Optimization via the GENOPT processor called "SUPEROPT". Objective versus design iterations</small></td></tr></table></td> <td width="208"><table cellspacing="0" cellpadding="5" border="0"><tr><td align="center"><small class="title">Example 9, Slide 16: Design sensitivity of the optimized long propellant tank with aft and forward struts, 4 strut pairs in each set of struts</small></td></tr></table></td> <td width="208"><table cellspacing="0" cellpadding="5" border="0"><tr><td align="center"><small class="title">Example 9, Slide 17: Modal vibrations of the optimized strut-supported long propellant tank in which most of the energy is in the strut extension and </small></td></tr></table></td> <td width="208"><table cellspacing="0" cellpadding="5" border="0"><tr><td align="center"><small class="title">Example 9, Slide 18: Modal vibrations of the optimized strut-supported long propellant tank in which most of the energy is in shell deformation</small></td></tr></table></td> </tr> <tr><td height="14"></td></tr> <tr><td height="14"></td></tr> <tr align="center" valign="middle"> <td width="208"><a href="pages/page_101.html"><img src="thumbnails/s101.jpg" width="121" height="180" border="0" hspace="14" vspace="0" alt="Example 9, Slide 19: Buckling modes and load factors of the most critical aft strut under (A) Load Case 1 and (B) Load Case 2"></a></td> <td width="208"><a href="pages/page_102.html"><img src="thumbnails/s102.jpg" width="119" height="180" border="0" hspace="14" vspace="0" alt="Example 9, Slide 20: STAGS finite element model of the optimized long propellant tank with aft and forward sets of struts, 4 pairs in each set"></a></td> <td width="208"><a href="pages/page_103.html"><img src="thumbnails/s103.jpg" width="180" height="127" border="0" hspace="14" vspace="0" alt="Example 9, Slide 21: The lowest vibration mode from the STAGS model of the long tank with aft and forward "rings" of struts"></a></td> <td width="208"><a href="pages/page_104.html"><img src="thumbnails/s104.jpg" width="180" height="163" border="0" hspace="14" vspace="0" alt="Example 9, Slide 22: Two views of the third vibration mode from the STAGS model."></a></td> <td width="208"><a href="pages/page_105.html"><img src="thumbnails/s105.jpg" width="180" height="157" border="0" hspace="14" vspace="0" alt="Example 9, Slide 23: Two views of the seventh vibration mode from the STAGS model."></a></td> </tr> <tr><td height="5"></td></tr> <tr align="center" valign="top"> <td width="208"><table cellspacing="0" cellpadding="5" border="0"><tr><td align="center"><small class="title">Example 9, Slide 19: Buckling modes and load factors of the most critical aft strut under (A) Load Case 1 and (B) Load Case 2</small></td></tr></table></td> <td width="208"><table cellspacing="0" cellpadding="5" border="0"><tr><td align="center"><small class="title">Example 9, Slide 20: STAGS finite element model of the optimized long propellant tank with aft and forward sets of struts, 4 pairs in each set</small></td></tr></table></td> <td width="208"><table cellspacing="0" cellpadding="5" border="0"><tr><td align="center"><small class="title">Example 9, Slide 21: The lowest vibration mode from the STAGS model of the long tank with aft and forward "rings" of struts</small></td></tr></table></td> <td width="208"><table cellspacing="0" cellpadding="5" border="0"><tr><td align="center"><small class="title">Example 9, Slide 22: Two views of the third vibration mode from the STAGS model.</small></td></tr></table></td> <td width="208"><table cellspacing="0" cellpadding="5" border="0"><tr><td align="center"><small class="title">Example 9, Slide 23: Two views of the seventh vibration mode from the STAGS model.</small></td></tr></table></td> </tr> <tr><td height="14"></td></tr> </table>

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Wednesday, September 3, 2014