{"id":{"repo_id":"uab","oai_identifier":"oai:digitalcommons.library.uab.edu:etd-collection-8119"},"canonical_url":"https://search.dev.ndltd.org/etd/uab/oai:digitalcommons.library.uab.edu:etd-collection-8119","repository":{"repo_id":"uab","name":"University of Alabama Birmingham","base_url":"https://digitalcommons.library.uab.edu/do/oai/"},"display":{"title":"The Uniformly Tapered Circular Beam as a Dynamic Vibration Absorber.","abstract":"Many standard texts treat in detail the lumped parameter dynamic vibration absorber. Typical examples are the translating mass vibration absorber, the pendulum vibration absorber, and the bifilar pendulum vibration absorber. The common characteristic of these single degree-of-freedom subsystems is that their natural frequencies are set equal to the frequency of sinusoidal excitation of the primary system which is to have its vibration reduced or eliminated.It appears that Vance and Woodward, and, were the first to utilize continuous systems in dynamic vibration absorption. Their work dealt with hanging and spinning cables used as rotational vibration absorbers. Springfield described translational vibration absorption using a hanging cable. Since continuous systems have infinitely many (but determinable) natural frequencies, the use of such systems permits vibration absorption at any of these frequencies.","abstract_html":"Many standard texts treat in detail the lumped parameter dynamic vibration absorber. Typical examples are the translating mass vibration absorber, the pendulum vibration absorber, and the bifilar pendulum vibration absorber. The common characteristic of these single degree-of-freedom subsystems is that their natural frequencies are set equal to the frequency of sinusoidal excitation of the primary system which is to have its vibration reduced or eliminated.It appears that Vance and Woodward, and, were the first to utilize continuous systems in dynamic vibration absorption. Their work dealt with hanging and spinning cables used as rotational vibration absorbers. Springfield described translational vibration absorption using a hanging cable. Since continuous systems have infinitely many (but determinable) natural frequencies, the use of such systems permits vibration absorption at any of these frequencies.","abstract_has_math":false,"creators":["Davidson, Phillip Britton"],"institution":null,"degree_name":null,"degree_level":"Thesis","degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":1980,"date_issued":"1980-01-01T08:00:00Z","date_published":"1980-01-01T08:00:00Z","updated_at":"2026-07-24T05:06:03Z","subjects":["Pendulum vibration absorber","Mass vibration absorber","Sinusoidal excitation","Continuous systems","Dynamic vibration absorption"],"languages":[],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://digitalcommons.library.uab.edu/etd-collection/7127","outbound_label":"Repository record","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Davidson, Phillip Britton"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"thesis:degree_level","label":"Degree Level","values":["Thesis"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Pendulum vibration absorber","Mass vibration absorber","Sinusoidal excitation","Continuous systems","Dynamic vibration absorption"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["https://digitalcommons.library.uab.edu/etd-collection/7127"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["Many standard texts treat in detail the lumped parameter dynamic vibration absorber. Typical examples are the translating mass vibration absorber, the pendulum vibration absorber, and the bifilar pendulum vibration absorber. The common characteristic of these single degree-of-freedom subsystems is that their natural frequencies are set equal to the frequency of sinusoidal excitation of the primary system which is to have its vibration reduced or eliminated.It appears that Vance and Woodward, and, were the first to utilize continuous systems in dynamic vibration absorption. Their work dealt with hanging and spinning cables used as rotational vibration absorbers. Springfield described translational vibration absorption using a hanging cable. Since continuous systems have infinitely many (but determinable) natural frequencies, the use of such systems permits vibration absorption at any of these frequencies."]},{"key":"dc:title","label":"Title","values":["The Uniformly Tapered Circular Beam as a Dynamic Vibration Absorber."]}]}],"canonical_facts":{"dc:creator":["Davidson, Phillip Britton"],"dc:description.abstract":["Many standard texts treat in detail the lumped parameter dynamic vibration absorber. Typical examples are the translating mass vibration absorber, the pendulum vibration absorber, and the bifilar pendulum vibration absorber. The common characteristic of these single degree-of-freedom subsystems is that their natural frequencies are set equal to the frequency of sinusoidal excitation of the primary system which is to have its vibration reduced or eliminated.It appears that Vance and Woodward, and, were the first to utilize continuous systems in dynamic vibration absorption. Their work dealt with hanging and spinning cables used as rotational vibration absorbers. Springfield described translational vibration absorption using a hanging cable. Since continuous systems have infinitely many (but determinable) natural frequencies, the use of such systems permits vibration absorption at any of these frequencies."],"dc:identifier":["https://digitalcommons.library.uab.edu/etd-collection/7127"],"dc:subject":["Pendulum vibration absorber","Mass vibration absorber","Sinusoidal excitation","Continuous systems","Dynamic vibration absorption"],"dc:title":["The Uniformly Tapered Circular Beam as a Dynamic Vibration Absorber."],"thesis:degree_level":["Thesis"]},"updated_at":"2026-07-24T05:06:03Z"}