{"id":{"repo_id":"freiburg-diss","oai_identifier":"oai:freidok.uni-freiburg.de:47"},"canonical_url":"https://search.dev.ndltd.org/etd/freiburg-diss/oai:freidok.uni-freiburg.de:47","repository":{"repo_id":"freiburg-diss","name":"University of Freiburg","base_url":"https://freidok.uni-freiburg.de/oai/oai2.php"},"display":{"title":"Messungen und Rechnungen zu strukturmechanischen Fragen im Alignmentsystem von ATLAS und DATCHA","abstract":"This work describes the precise measurements made on the <br>six DATCHA <br>alignment bars. In parallel a finite <br>element model of these carbon fiber bars was developed which showed to be <br>able to give qualitative predictions on the bar's mechanical <br>behavior. <br>Large test series have been done to examine properties of <br>carbon fiber such as elasticity and expansion under <br>exchange of moisture. Hereby large inhomogenities as high as <br>+/- 15% showed up. <br>This may aggravate precise numerical calculations or <br>optimization of carbon fiber bar's properties.","abstract_html":"This work describes the precise measurements made on the &lt;br&gt;six DATCHA &lt;br&gt;alignment bars. In parallel a finite &lt;br&gt;element model of these carbon fiber bars was developed which showed to be &lt;br&gt;able to give qualitative predictions on the bar&#x27;s mechanical &lt;br&gt;behavior. &lt;br&gt;Large test series have been done to examine properties of &lt;br&gt;carbon fiber such as elasticity and expansion under &lt;br&gt;exchange of moisture. Hereby large inhomogenities as high as &lt;br&gt;+/- 15% showed up. &lt;br&gt;This may aggravate precise numerical calculations or &lt;br&gt;optimization of carbon fiber bar&#x27;s properties.","abstract_has_math":false,"creators":["Rolker, Bernd"],"institution":null,"degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":["Herten, Gregor"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":null,"date_issued":"","date_published":null,"updated_at":"2026-07-24T02:21:24Z","subjects":["DATCHA, Alignment"],"languages":[],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://freidok.uni-freiburg.de/data/47","outbound_label":"Repository record","outbound_source":"source_url"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Herten, Gregor"]},{"key":"dc:creator","label":"Author","values":["Rolker, Bernd"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:type","label":"Dc Type","values":["DoctoralThesis"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["DATCHA, Alignment"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["This work describes the precise measurements made on the <br>six DATCHA <br>alignment bars. In parallel a finite <br>element model of these carbon fiber bars was developed which showed to be <br>able to give qualitative predictions on the bar's mechanical <br>behavior. <br>Large test series have been done to examine properties of <br>carbon fiber such as elasticity and expansion under <br>exchange of moisture. Hereby large inhomogenities as high as <br>+/- 15% showed up. <br>This may aggravate precise numerical calculations or <br>optimization of carbon fiber bar's properties."]},{"key":"dc:format.medium","label":"Dc Format Medium","values":["application/pdf"]},{"key":"dc:title","label":"Title","values":["Messungen und Rechnungen zu strukturmechanischen Fragen im Alignmentsystem von ATLAS und DATCHA"]}]}],"canonical_facts":{"dc:contributor":["Herten, Gregor"],"dc:creator":["Rolker, Bernd"],"dc:description.abstract":["This work describes the precise measurements made on the <br>six DATCHA <br>alignment bars. In parallel a finite <br>element model of these carbon fiber bars was developed which showed to be <br>able to give qualitative predictions on the bar's mechanical <br>behavior. <br>Large test series have been done to examine properties of <br>carbon fiber such as elasticity and expansion under <br>exchange of moisture. Hereby large inhomogenities as high as <br>+/- 15% showed up. <br>This may aggravate precise numerical calculations or <br>optimization of carbon fiber bar's properties."],"dc:format.medium":["application/pdf"],"dc:subject":["DATCHA, Alignment"],"dc:title":["Messungen und Rechnungen zu strukturmechanischen Fragen im Alignmentsystem von ATLAS und DATCHA"],"dc:type":["DoctoralThesis"]},"updated_at":"2026-07-24T02:21:24Z"}