[½»Á÷] ͶµÄSCIÂÛÎĽÓÊպ󣬼ìË÷³öÀ´ÂÛÎÄÀàÐͱä³ÉÁËArticle; Proceedings Paper£¬Ôõô°ì£¿ ÒÑÓÐ7È˲ÎÓë

ÎÒͶ¸åµÄSCIÂÛÎÄÒѾ­ÔÚÏß³ö°æÁË£¬µ«ÊÇweb of science¼ìË÷³öÀ´ÂÛÎÄÀàÐͱä³ÉÁËArticle; Proceedings Paper£¬¶øÇÒ»¹¸øÁ˸ö»áÒéÃû×Ö£¬ÎÊÌâÊÇÎÒûÓÐͶÕâ¸ö»áÒ飬ֱ½ÓͶµÄsci°¡£¬°ÉÓÑÃÇÓÐûÓÐÅöµ½ÀàËƵÄÎÊÌâ°¡£¬ÎÒÒª²»ÒªºÍ±à¼­ÁªÏµÒ»Ï°¡£¿ÎҰѼìË÷½á¹ûÌù³öÀ´£¬´ó¼Ò°ïæ¿´Ï£¬Ð»Ð»ÁË£¬ÓôÃÆÁË£¬µÚһƪsci»¹Åö¼ûÕâÊÂÁË¡£Õ⻹ÊDz»ÊÇsci°¡»¹ÊÇÖ»ÊÇһƪ»áÒéÂÛÎÄ£¿ Discrete element method model ***** *** ×÷Õß:********* JOURNAL OF SOUND AND VIBRATION ¾í: 333  ÆÚ: 23  Ò³: 6024-6037 DOI: 10.1016/j.jsv.2014.07.011 ³ö°æÄê: NOV 24 2014 ²é¿´ÆÚ¿¯ÐÅÏ¢ »áÒéÃû³Æ »áÒé: 3rd International Conference on Vibro-Impact Systems and Systems with Non-Smooth Interactions »áÒéµØµã: Leinsweiler, GERMANY »áÒéÈÕÆÚ: JUL 23-27, 2013 »áÒéÔÞÖúÉÌ:Int Ctr Vibro Impact Syst; Karlsruhe Inst Technol ÕªÒª Bean bag dampers (BBDs) have been widely applied in engineering to attenuate the vibration of a structural system, but the theoretical analysis on BBDs has been scarcely reported because of their nonlinear damping performance and complex mechanism. In this work, a three-dimensional model of a BBD was established based on the discrete element method (DEM); its flexible boundary was discretized. The model was verified by comparing simulation with test data. Based on the model, the selection of proper particle diameter on the flexible boundary of the BBD was discussed first, and then the effects of internal particle size of the BBD, the BBD's tightness and the gap between BBD and the inner wall of its enclosure on the energy dissipation capacity were studied. Moreover, the filling ratio of BBD (total internal particles' volume/the flexible boundary's capacity) was defined to quantitatively describe the tightness of BBD, and the effects of the internal particle size, the natural frequency of primary system and the enclosure size on the optimum tightness of the BBD were also considered. The results can be used as a guide in the design of BBDs. (C) 2014 Elsevier Ltd. All rights reserved. ¹Ø¼ü´Ê KeyWords PlusARTICLE DAMPERS; SIMULATION; VIBRATIONS ×÷ÕßÐÅÏ¢ ͨѶ×÷ÕßµØÖ·: ****** (ͨѶ×÷Õß) ÏÔʾÔöÇ¿×éÖ¯ÐÅÏ¢µÄÃû³Æ        ************** µØÖ·: ÏÔʾÔöÇ¿×éÖ¯ÐÅÏ¢µÄÃû³Æ        ************** ÏÔʾÔöÇ¿×éÖ¯ÐÅÏ¢µÄÃû³Æ*************** µç×ÓÓʼþµØÖ·:******************* ³ö°æÉÌ ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD, 24-28 OVAL RD, LONDON NW1 7DX, ENGLAND Àà±ð / ·ÖÀà Ñо¿·½Ïò:Acoustics; Engineering; Mechanics Web of Science Àà±ð:Acoustics; Engineering, Mechanical; Mechanics ÎÄÏ×ÐÅÏ¢ ÎÄÏ×ÀàÐÍ:Article; Proceedings Paper ÓïÖÖ:English Èë²ØºÅ: WOS:000341675200009 ISSN: 0022-460X µç×Ó ISSN: 1095-8568 ÆÚ¿¯ÐÅÏ¢ Impact Factor (Ó°ÏìÒò×Ó): Journal Citation Reports® ÆäËûÐÅÏ¢ IDS ºÅ: AO9KS Web of Science ºËÐĺϼ¯ÖÐµÄ "ÒýÓõIJο¼ÎÄÏ×": 21 Web of Science ºËÐĺϼ¯ÖÐµÄ "±»ÒýƵ´Î": 0

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