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公开(公告)号：EP3457065A1
公开(公告)日：2019-03-20
申请号：EP17871630.4
申请日：2017-07-21
发明人： KATAYAMA, Masaaki , MONDE, Masatsugu , HIROTA, Kazuo , ONO, Naoki
摘要： The preset application relates to a vibration damping structure for a heat-transfer tube bundle including columns arranged at an interval and each composed of a plurality of heat-transfer tubes curved in a common plane and arranged in parallel to each other. The vibration damping structure includes a first vibration damping member and a second vibration damping member disposed between the columns so as to intersect the array direction of the columns. The first vibration damping member and the second vibration damping member are disposed at different positions in an axial direction of each heat-transfer tube, and thicknesses of the first vibration damping member and the second vibration damping member in the array direction are larger than an average value of a clearance between the columns under operation.
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公开(公告)号：EP3457304A1
公开(公告)日：2019-03-20
申请号：EP17881035.4
申请日：2017-07-21
发明人： MONDE, Masatsugu , ONO, Naoki , KATAYAMA, Masaaki , SATO, Daisuke
IPC分类号： G06F17/50
摘要： There is provided a method for analyzing a vibration damping structure in which a tube bundle disposed in a fluid is supported by a vibration damping member disposed in a gap between tubes included in the tube bundle. The method includes a model making step of making a FEM model corresponding to the vibration damping structure, an error setting step of setting an error parameter for a parameter relating to an element included in the FEM model, and an analysis step of performing structural analysis by a finite-element method using the FEM model in which the error parameter is set.
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