%0 Journal Article
%T FLOATING INTERVAL APPROACH FOR TOPOLOGY OPTIMIZATION OF CONTINUUM STRUCTURES<br>连续体拓扑优化的浮动参考应变能密度法
%A 吕岩
%A 蔡坤
%A 陈飙松
%J 力学与实践
%D 2009
%I 
%X A floating interval method is proposed for topology optimization problems of continuum structures. The major idea of the present approach is to consider the structure to be optimized as a piece of bone, whose growing process is controlled by an floating interval of reference strain energy density, i.e., the update of each material point in the design domain is determined by its current strain energy density and the reference interval. The update of the reference interval is determined by the active constraint of the optimization problem. Two numerical examples are given to show the validity of the present approach.
%K floating interval approach
%K Topology optimization
%K strain energy density
%K fabric tensor<br>浮动区间法
%K 拓扑优化
%K 应变能密度
%K 构造张量
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=6E709DC38FA1D09A4B578DD0906875B5B44D4D294832BB8E&cid=5D344E2AD54D14F8&jid=0BF5C9FB031A532ED0A6D99DC4F6181A&aid=D167A6601D031420EC9C73047E98E6D5&yid=DE12191FBD62783C&vid=4AD960B5AD2D111A&iid=94C357A881DFC066&sid=2001E0D53B7B80EC&eid=1AE5323881A5ECDC&journal_id=1000-0879&journal_name=力学与实践&referenced_num=0&reference_num=5