Full-Text Search:
Home|Journal Papers|About CNKI|User Service|FAQ|Contact Us|中文
《Journal of Xi'an Jiaotong University》 2008-11
Add to Favorite Get Latest Update

Parameters Identification for Joint Surfaces of Cantilever Beam

YOU Jinmin,CHEN Tianning (School of Mechanical Engineering, Xi′an Jiaotong University,Xi′an 710049,China)  
A test model of cantilever beam for dynamic parameters identification of the joint surfaces was proposed with the frequency and damping ratio method.The corresponding dynamic model was established by means of finite element method.The normal stiffness and damping coefficients of the joint surfaces under the condition of dry friction and oiled were identified in the mode test,and optimized to approach the exact values.The varying rules between the dynamic parameters of the joint surfaces and the interface suffered pressure were fit out.The research results indicate that the test model of cantilever beam is suitable for identifying the dynamic parameters of the joint surfaces.The varying rules of dynamic parameters along with the interface suffered pressure get highly nonlinear.The dynamic parameters of oiled interface are greater than that of the dry friction interface.
【Fund】: 国家重点基础研究发展规划资助项目(2007CB707706)
【CateGory Index】: TB121
Download(CAJ format) Download(PDF format)
CAJViewer7.0 supports all the CNKI file formats; AdobeReader only supports the PDF format.
©2006 Tsinghua Tongfang Knowledge Network Technology Co., Ltd.(Beijing)(TTKN) All rights reserved