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A Workshop was held to promote technical exchange between the structural dynamic and control disciplines, foster joint technology, and provide a forum for discussing and focusing critical issues in the separate and combined areas. The workshop was closed by a panel meeting. Panel members' viewpoints and their responses to questions are included.

A workshop on structural dynamics and control interaction of flexible structures was held to promote technical exchange between the structural dynamics and control disciplines, foster joint technology, and provide a forum for discussing and focusing critical issues in the separate and combined areas. Issues and areas of emphasis were identified in structure-control interaction for the next generation of flexible systems.

NAS 1.55:2467-Pt.1 Digitized from IA1177306-15-0024 , IA1177306-15-0025 , IA1177306-15-0026 , IA1177306-15-0027 , IA1177306-15-0028 , IA1177306-15-0029 , IA1177306-15-0030 , IA1177306-15-0031 .

NAS 1.55:2467-Pt.2 Digitized from IA1177306-15-0041 , IA1177306-15-0042 , IA1177306-15-0043 , IA1177306-15-0044 , IA1177306-15-0045 , IA1177306-15-0046 , IA1177306-15-0047 , IA1177306-15-0048 .

A workshop on structural dynamics and control interaction of flexible structures was held to promote technical exchange between the structural dynamics and control disciplines, foster joint technology, and provide a forum for discussing and focusing critical issues in the separate and combined areas. Issues and areas of emphasis were identified in structure-control interaction for the next generation of flexible systems.

The Hubble Space Telescope features the most exacting line of sight jitter requirement thus far imposed on a spacecraft pointing system. Consideration of the fine pointing requirements prompted an attempt to isolate the telescope from the low level vibration disturbances generated by the attitude control system reaction wheels. The primary goal was to provide isolation from axial component of wheel disturbance without compromising the control system bandwidth. A passive isolation system employing metal springs in parallel with viscous fluid dampers was designed, fabricated, and space qualified. Stiffness and damping characteristics are deterministic, controlled independently, and were demonstrated to remain constant over at least five orders of input disturbance magnitude. The damping remained purely viscous even at the data collection threshold of .16 x .000001 in input displacement, a level much lower than the anticipated Hubble Space Telescope disturbance amplitude. Vibration attenuation goals were obtained and ground test of the vehicle has demonstrated the isolators are transparent to the attitude control system.

Eddie. That is the only name our young, musically talented hero knew for himself. After being left at a Catholic orphanage as a young child, at the age of nine he is unwittingly adopted into a gang of thieves. Will he be able and maintain his innocence and escape their clutches? And will he ever be able to discover his true parentage?<br /><br /> Brother Ernest Ryan was a Holy Cross Brother, the founder of and a prolific author for the Dujarie Press, a Catholic publishing house of Juvenile Saint books for children in the 1950’s and 1960’s. He wrote numerous juvenile biographical saint books for children, as well as several children’s fictional titles – of which this is one. (Summary by Maria Therese)

Child of an atheist father and a devoutly Catholic mother, Tommy has been from childhood the object of a battle of love. Tommy’s courage and unfailing loyalty to his Faith help him to overcome obstacles which threaten his whole future with spiritual tragedy.<br><br> Brother Ernest Ryan, was a Holy Cross Brother, the founder of and a prolific author for the Dujarie Press, a Catholic publishing house of Juvenile Saint books for children in the 1950’s and 1960’s. He wrote numerous juvenile biographical saint books for children, as well as several children’s fictional titles – of which this is one. (Summary from an original jacket and Maria Therese)

3Farewells

By Abram Joseph Ryan

LibriVox volunteers bring you 22 recordings of Farewells by Abram Joseph Ryan.<br> This was the Weekly Poetry project for May 26, 2019. <br> ------<br> Abram Joseph Ryan was an American poet, an active proponent of the Confederate States of America, and a Catholic priest. He has been called the "Poet-Priest of the South" and, less frequently, the "Poet Laureate of the Confederacy." - Summary by Wikipedia

4Memories

By Abram Joseph Ryan

LibriVox volunteers bring you 20 recordings of Memories by Abram Joseph Ryan.<br> This was the Fortnightly Poetry project for January 29, 2023. <br> ------<br> Abram Joseph Ryan was an American poet, Catholic priest, Catholic newspaper editor, orator, and former Vincentian. An active proponent of the Confederate States of America, he has been called the "Poet-Priest of the South" and the "Poet Laureate of the Confederacy." - Summary by Wikipedia

5Poets

By Abram Joseph Ryan

LibriVox volunteers bring you 5 recordings of Poets by Abram Joseph Ryan.<br> This was the Fortnightly Poetry project for October 1, 2023. <br> ------<br> Abram Joseph Ryan was an American poet, Catholic priest, Catholic newspaper editor, orator, and former Vincentian. Many have said he was a priest for Confederate States of America but that was not shown in any military records. He served as a freelance chaplain for the last two years of the war for both North and South soldiers. - Summary by Wikipedia

6Land without Ruins

By Abram Joseph Ryan

LibriVox volunteers bring you 14 recordings of A Land without Ruins by Abram Joseph Ryan.<br> This was the Weekly Poetry project for April 8, 2024. <br> ------<br> Abram Joseph Ryan was an American poet, Catholic priest, Catholic newspaper editor, orator, and former Vincentian. He has been called the "Poet-Priest of the South" and the "Poet Laureate of the Confederacy". - Summary by Wikipedia

7Mother's Way

By Abram Joseph Ryan

LibriVox volunteers bring you 11 recordings of Mother's Way by Abram Joseph Ryan.<br> This was the Weekly Poetry project for May 5, 2024. <br> ------<br> Abram Joseph Ryan was an American poet, Catholic priest, Catholic newspaper editor, orator, and former Vincentian. He has been called the "Poet-Priest of the South" and the "Poet Laureate of the Confederacy". From the Introduction: "These simple rhymes are laid as a garland of love at the feet of his mother by her child the author." This Mother's Day poem is taken from Poems: Patriotic, Religious, Miscellaneous by Abram Joseph Ryan.

LibriVox volunteers bring you 11 recordings of Mother's Way by Abram Joseph Ryan.<br> This was the Weekly Poetry project for May 5, 2024. <br> ------<br> Abram Joseph Ryan was an American poet, Catholic priest, Catholic newspaper editor, orator, and former Vincentian. He has been called the "Poet-Priest of the South" and the "Poet Laureate of the Confederacy". From the Introduction: "These simple rhymes are laid as a garland of love at the feet of his mother by her child the author." This Mother's Day poem is taken from Poems: Patriotic, Religious, Miscellaneous by Abram Joseph Ryan.

9March of the Deathless Dead

By Abram Joseph Ryan

LibriVox volunteers bring you 8 recordings of March of the Deathless Dead by Abram Joseph Ryan.<br> This was the Fortnightly Poetry project for October 27, 2024. <br> ------<br> Abram Joseph Ryan was an American poet, Catholic priest, Catholic newspaper editor, orator, and former Vincentian. Historians disagree on whether Ryan served as a military chaplain for the Confederate States of America. He has been called the "Poet-Priest of the South" and the "Poet Laureate of the Confederacy". - Summary by Wikipedia