ARCHITECTED CELLULAR MATERIALS FOR AEROSPACE COMPONENTS DESIGN AND MANUFACTURING

被引:0
|
作者
Rastegarzadeh, Sina [1 ]
Huang, Jida [1 ]
Wang, Jun [2 ]
机构
[1] Univ Illinois, Dept Mech & Ind Engn, Chicago, IL 60607 USA
[2] Santa Clara Univ, Dept Mech Engn, Santa Clara, CA USA
来源
PROCEEDINGS OF ASME 2023 AEROSPACE STRUCTURES, STRUCTURAL DYNAMICS, AND MATERIALS CONFERENCE, SSDM2023 | 2023年
关键词
Cellular materials; Multi-scale structure optimization; Sandwich structures; Additive manufacturing; Aerospace components; SANDWICH PANELS; TRENDS;
D O I
暂无
中图分类号
V [航空、航天];
学科分类号
08 ; 0825 ;
摘要
The design of high-performance, lightweight materials has always been challenging in aerospace structural design (e.g., aircraft ailerons, flaps, and rudders). Sandwich panel composites with lattice cores are widely used in aerospace applications. This paper presents an inverse design optimization framework for sandwich structures with implicitly represented architected cellular unit cells. Specifically, cellular materials are implicitly represented (described by functions) as building blocks in the core structure design. A core topology optimization problem is formulated based on functionalities (compliance and thermal conductivity) in this paper. Lastly, the optimized delicate design is directly converted into digital slices for additive manufacturing, which avoids memory-expensive solid model conversion. The proposed design framework is validated in two aerospace design case studies. Experimental results demonstrate the effectiveness of the proposed optimization algorithm and STL-free scheme for additive manufacturing.
引用
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页数:8
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