{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/66893"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/66893","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Dynamic Response of Tuned Secondary Systems","abstract":"Light, flexible, "secondary" systems such as piping, penthouses and antenna towers are often attached to major structures. The purpose of this study is to investigate the dynamic response of secondary systems that are tuned to a natural frequency of the primary system.","abstract_html":"Light, flexible, "secondary" systems such as piping, penthouses and antenna towers are often attached to major structures. The purpose of this study is to investigate the dynamic response of secondary systems that are tuned to a natural frequency of the primary system.","abstract_has_math":false,"creators":["Ruzicka, Gene Conrad"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Civil Engineering","degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2014,"date_issued":"2014-12-13T19:32:10Z","date_published":"2014-12-13T19:32:10Z","updated_at":"2026-07-22T22:25:56Z","subjects":["Engineering, Civil"],"languages":["eng"],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["(UMI)AAI8114472"],"render_values":[{"text":"(UMI)AAI8114472","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/66893","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Ruzicka, Gene Conrad"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2014-12-13T19:32:10Z","10000-01-01","1981"]},{"key":"dc:type","label":"Dc Type","values":["text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Civil Engineering"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Dissertation"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Ph.D."]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["University of Illinois at Urbana-Champaign"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Engineering, Civil"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["eng"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://hdl.handle.net/2142/66893","(UMI)AAI8114472"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Light, flexible, "secondary" systems such as piping, penthouses and antenna towers are often attached to major structures. The purpose of this study is to investigate the dynamic response of secondary systems that are tuned to a natural frequency of the primary system.","Consideration is first given to simple structural models composed of a single-degree-of-freedom secondary system attached to a single-degree-of-freedom primary system. Formulas for the response of the secondary system are obtained for various damping configurations. The effects of a slight detuning of the secondary system are also examined.","The response expressions are then used to develop estimates for the maximum response of the secondary system. The accuracy of these estimates is assessed in a numerical study in which the exact and approximate responses are compared.","Lastly, an expression is obtained for the response of a multi-degree-of-freedom tuned secondary system attached to a multi-degree-of-freedom primary system.","Made available in DSpace on 2014-12-13T19:32:10Z (GMT). No. of bitstreams: 1 8114472.pdf: 4402931 bytes, checksum: 4ab8acf852b5a3e7e31bb969c9f62f8d (MD5) Previous issue date: 1981","Embargo set by: Seth Robbins for item 67071 Lift date: Forever Reason: Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","U of I Only","143 p.","Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 1981."]},{"key":"dc:title","label":"Title","values":["Dynamic Response of Tuned Secondary Systems"]}]}],"canonical_facts":{"dc:creator":["Ruzicka, Gene Conrad"],"dc:date":["2014-12-13T19:32:10Z","10000-01-01","1981"],"dc:description":["Light, flexible, "secondary" systems such as piping, penthouses and antenna towers are often attached to major structures. The purpose of this study is to investigate the dynamic response of secondary systems that are tuned to a natural frequency of the primary system.","Consideration is first given to simple structural models composed of a single-degree-of-freedom secondary system attached to a single-degree-of-freedom primary system. Formulas for the response of the secondary system are obtained for various damping configurations. The effects of a slight detuning of the secondary system are also examined.","The response expressions are then used to develop estimates for the maximum response of the secondary system. The accuracy of these estimates is assessed in a numerical study in which the exact and approximate responses are compared.","Lastly, an expression is obtained for the response of a multi-degree-of-freedom tuned secondary system attached to a multi-degree-of-freedom primary system.","Made available in DSpace on 2014-12-13T19:32:10Z (GMT). No. of bitstreams: 1 8114472.pdf: 4402931 bytes, checksum: 4ab8acf852b5a3e7e31bb969c9f62f8d (MD5) Previous issue date: 1981","Embargo set by: Seth Robbins for item 67071 Lift date: Forever Reason: Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","U of I Only","143 p.","Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 1981."],"dc:identifier":["http://hdl.handle.net/2142/66893","(UMI)AAI8114472"],"dc:language":["eng"],"dc:subject":["Engineering, Civil"],"dc:title":["Dynamic Response of Tuned Secondary Systems"],"dc:type":["text"],"thesis:degree_discipline":["Civil Engineering"],"thesis:degree_level":["Dissertation"],"thesis:degree_name":["Ph.D."],"thesis:institution_name":["University of Illinois at Urbana-Champaign"]},"updated_at":"2026-07-22T22:25:56Z"}