基于边界单元法的印刷机滚筒结构刚度分析  

Structural Rigidity Analysis of Printing Cylinder Based upon Boundary Element Method

作　　者：周枫林 李光[1] 孙晓[1] 余江鸿[1] ZHOU Fenglin;LI Guang;SUN Xiao;YU Jianghong(School of Mechanical Engineering,Hunan University of Technology,Zhuzhou Hunan 412007,China)

机构地区：[1]湖南工业大学机械工程学院,湖南株洲412007

出　　处：《包装学报》2017年第4期87-92,共6页Packaging Journal

基　　金：国家自然科学基金资助项目(11602082)

摘　　要：以实际滚筒模型为分析对象,使用边界单元法(BEM)对该结构进行刚度计算和分析。通过数值算例验证了BEM的正确性和有效性,在此基础上,充分考虑实际工况,应用BEM法分析滚筒在重力作用下的自由变形,并与基于FEM的商用结构分析软件得到的结果进行对比。对比结果显示,BEM法在分析滚筒结构刚度时具有精度高、计算量小以及纯边界离散等特点,是一种应用于结构刚度分析的高效方法。A practical printing cylinder was analyzed in the aspect of structural rigidity computation throughthe BEM.Convergence study of the result was also performed to illustrate the validity and efficiency of the presentedmethod.The free deformation of printing cylinder under gravity was analyzed by BEM with the practical workingconditions considered.Results obtained from both of the FEM and BEM were compared.The comparison showed theadvantages of BEM for practical structural analysis as boundary only discretization,lower cost of computation and highprecision,which presented a new highly accurate method for printing cylinder deformation analysis.

关 键 词：边界单元法 印刷机滚筒 结构刚度分析 弹性力学 

分 类 号：TM351[电气工程—电机]