{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2023,2,7]],"date-time":"2023-02-07T08:30:13Z","timestamp":1675758613535},"reference-count":48,"publisher":"ASME International","issue":"1","content-domain":{"domain":["asmedigitalcollection.asme.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[1999,2,1]]},"abstract":"<jats:p>Impact forces are useful information in field monitoring of many industrial components, such as heat exchangers, condensers, etc. In two previous papers we presented techniques\u2014based on vibratory measurements remote from the actual impact locations\u2014for the experimental identification of isolated impacts (Arau\u00b4jo et al., 1996) and complex rattling forces (Antunes et al., 1997). In both papers a single gap support was assumed. Those results concern systems which are simpler than the actual multi-supported tube bundles found in heat exchangers. Impact force identification is a difficult problem for such systems, because 1) when sensed by the remote motion transducers, the traveling waves generated at several impact supports are mixed, and there is no obvious way to isolate the contribution of each support; 2) multi-supported tubes may be quite long, with significant dissipative effects (by interacting flows or by frictional phenomena at the clearance supports), leading to some loss of the information carried by the traveling waves; 3) in multi-supported systems, some of the supports are often in permanent contact, leading to nonimpulsive forces which are difficult to identify. In this paper, we move closer towards force identification under realistic conditions. Only the first problem of wave isolation is addressed, assuming that damping effects are small and also that all clearance supports are impacting. An iterative multiple-identification method is introduced, which operates in an alternate fashion between the time and frequency domains. This technique proved to be effective in isolating the impact forces generated at each gap support. Experiments were performed on a long beam with three clearance supports, excited by random forces. Beam motions were planar, with complex rattling at the supports. Experimental results are quite satisfactory, as the identified impact forces compare favorably with the direct measurements.<\/jats:p>","DOI":"10.1115\/1.2883668","type":"journal-article","created":{"date-parts":[[2008,2,27]],"date-time":"2008-02-27T20:05:54Z","timestamp":1204142754000},"page":"61-70","update-policy":"http:\/\/dx.doi.org\/10.1115\/crossmarkpolicy-asme","source":"Crossref","is-referenced-by-count":5,"title":["Remote Identification of Impact Forces on Loosely Supported Tubes: Analysis of Multi-Supported Systems"],"prefix":"10.1115","volume":"121","author":[{"given":"M.","family":"Paulino","sequence":"first","affiliation":[{"name":"Institute Tecnolo\u00b4gico e Nuclear, Applied Dynamics Laboratory, ITN\/ADL, 2686 Sacave\u00b4m Codex, Portugal"}]},{"given":"J.","family":"Antunes","sequence":"additional","affiliation":[{"name":"Institute Tecnolo\u00b4gico e Nuclear, Applied Dynamics Laboratory, ITN\/ADL, 2686 Sacave\u00b4m Codex, Portugal"}]},{"given":"P.","family":"Izquierdo","sequence":"additional","affiliation":[{"name":"De\u00b4partement de Me\u00b4canique et Technologie, CEA\/DMT, 91191 Gif-sur-Yvette Cedex, France"}]}],"member":"33","published-online":{"date-parts":[[1999,2,1]]},"reference":[{"key":"2019100608212445700_r1","doi-asserted-by":"crossref","unstructured":"Antunes\n              J.\n            , AxisaF., BeaufilsB., and GuilbaudD., 1990, \u201cCoulomb Friction Modeling in Numerical Simulations of Vibration and Wear Work Rate of Multi-Span Heat-Exchangers,\u201d Journal of Fluids and Structures, Vol. 4, pp. 287\u2013304.","DOI":"10.1016\/S0889-9746(05)80016-7"},{"key":"2019100608212445700_r2","unstructured":"Antunes\n              J.\n            , de LangreE., VentoM. A., and AxisaA., 1992a, \u201cA Theoretical Model for the Vibro-Impact Motion of Tubes Under Fluidelastic Instability,\u201d Symposium on Flow-Induced Vibration and Noise, ASME PVP-Vol. 242, pp. 135\u2013150."},{"key":"2019100608212445700_r3","doi-asserted-by":"crossref","unstructured":"Antunes\n              J.\n            , AxisaF., and VentoM., 1992b, \u201cExperiments on Tube\/Support Interaction with Feedback-Controlled Instability,\u201d ASME JOURNAL OF PRESSURE VESSEL TECHNOLOGY, Vol. 114, pp. 23\u201332.","DOI":"10.1115\/1.2929008"},{"key":"2019100608212445700_r4","unstructured":"Antunes, J., Paulino, M., and Piteau, P., 1997, \u201cRemote Identification of Impact Forces on Loosely Supported Tubes: Complex Vibro-Impact Motions,\u201d ASME Pressure Vessel & Piping Conference, Orlando, FL, July 27\u201331; to appear in Journal of Sound and Vibration."},{"key":"2019100608212445700_r5","unstructured":"Axisa, F., Desseaux, A., and Gibert, R. 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L., 1994, Geophysical Inverse Theory, Princeton University Press, Princeton, NJ."},{"key":"2019100608212445700_r38","unstructured":"Payen, Th., and de Langre, E., 1996, \u201cA Probabilistic Approach for the Computation of Nonlinear Vibrations of Tubes Under Cross-Flow,\u201d Vol. PVP-ASME 328, pp. 337\u2013346."},{"key":"2019100608212445700_r39","unstructured":"Press, W. H., Teukolsky, A. A., Vetterling, W. T., and Flannery, B. P., 1992, Numerical Recipes: The Art of Scientific Computing, Cambridge University Press, Cambridge, U.K."},{"key":"2019100608212445700_r40","unstructured":"Rao, M., Gupta, G., Eisinger, F., Hibbitt, H., and Steininger, D., 1987, \u201cComputer Modeling of Vibration and Wear of Multispan Tubes with Clearances at Supports,\u201d International Conference on Flow-Induced Vibrations, Bowness-on-Windermere, UK, May 12\u201314."},{"key":"2019100608212445700_r41","doi-asserted-by":"crossref","unstructured":"Rogers\n              R. 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S.\n            \n          , 1984, \u201cRemote Impact Analysis by Use of Propagated Acceleration Signals: I\u2014Theoretical Methods,\u201d Journal of Sound and Vibration, Vol. 97, pp. 35\u201351.","DOI":"10.1016\/0022-460X(84)90465-6"},{"key":"2019100608212445700_r47","doi-asserted-by":"crossref","unstructured":"Wu\n              E.\n            , and YehJ. C., 1994, \u201cIdentification of Impact Forces at Multiple Locations on Laminated Plates,\u201d A.I.A.A. Journal, Vol. 32, pp. 2433\u20132439.","DOI":"10.2514\/3.12310"},{"key":"2019100608212445700_r48","unstructured":"Zhou\n              T.\n            , and RogersR. J., 1996, \u201cSimulation of Two-Dimensional Squeeze Film and Solid Contact Forces Acting on a Heat Exchanger Tube,\u201d ASME PVP-Vol. 328, pp. 257\u2013270."}],"container-title":["Journal of Pressure Vessel Technology"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/asmedigitalcollection.asme.org\/pressurevesseltech\/article-pdf\/121\/1\/61\/5944054\/61_1.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"syndication"},{"URL":"http:\/\/asmedigitalcollection.asme.org\/pressurevesseltech\/article-pdf\/121\/1\/61\/5944054\/61_1.pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2019,10,6]],"date-time":"2019-10-06T12:21:45Z","timestamp":1570364505000},"score":1,"resource":{"primary":{"URL":"https:\/\/asmedigitalcollection.asme.org\/pressurevesseltech\/article\/121\/1\/61\/437832\/Remote-Identification-of-Impact-Forces-on-Loosely"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1999,2,1]]},"references-count":48,"journal-issue":{"issue":"1","published-print":{"date-parts":[[1999,2,1]]}},"URL":"https:\/\/doi.org\/10.1115\/1.2883668","relation":{},"ISSN":["0094-9930","1528-8978"],"issn-type":[{"value":"0094-9930","type":"print"},{"value":"1528-8978","type":"electronic"}],"subject":[],"published":{"date-parts":[[1999,2,1]]}}}