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Vibro-impact dynamics of a periodically forced beam
Malmö högskola.
Luleå tekniska universitet.
2000 (Engelska)Ingår i: Journal of Pressure Vessel Technology-Transactions of the ASME, ISSN 0094-9930, E-ISSN 1528-8978, Vol. 122, nr 2, s. 210-221Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

The vibration and impact dynamics of a periodically forced loosely supported beam are analyzed. The wear work rates at impact points are evaluated. The considered beam is clamped at one end, and constrained against unilateral contact at contact sites, with or without friction, near the other end. In this work, the structure is modeled by a Bernoulli-type beam supported by springs using finite element method. Our model calculations are compared with measurements of contact forces and displacements made on a loosely supported rod that was subjected to harmonic loading. Furthermore, the dynamics of vibro-impacts are characterized by evaluating the impact velocity as a function of harmonic excitation frequency for two idealizations of the aforementioned structure.

Ort, förlag, år, upplaga, sidor
2000. Vol. 122, nr 2, s. 210-221
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Hållfasthetslära
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URN: urn:nbn:se:ltu:diva-6070DOI: 10.1115/1.556175ISI: 000167110400016Scopus ID: 2-s2.0-0034187348Lokalt ID: 444f9dd0-2b1c-11dd-8657-000ea68e967bOAI: oai:DiVA.org:ltu-6070DiVA, id: diva2:978947
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Validerad; 2000; 20080526 (cira)Tillgänglig från: 2016-09-29 Skapad: 2016-09-29 Senast uppdaterad: 2018-07-10Bibliografiskt granskad

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