1. 毕业设计(论文)的内容和要求
轻量化是国防装备及过程装备的发展趋势。
金属点阵夹层结构具有高比刚度、刚比强度的特点,具有很强的可设计性,近年来已成为舰船甲板、桥面板等大跨度构件结构理想的轻量化结构,应用前景广阔。
过程装备在应用中面临多重叠加载荷,如内压、局部集中力、弯矩等,其相互之间的耦合作用使得点阵夹层筒体结构的设计变得十分复杂,为此需将各部分载荷解耦,分别考虑,针对各处不同载荷进行设计计算,以满足结构刚度和强度的要求。
2. 参考文献
[1] H.N.G. Wadley, Multifunctional periodic cellular metals, Philos. Transact. A Math. Phys. Eng. Sci. 364 (1838) (2006) 3168.[2] V.S. Deshpande, N.A. Fleck, M.F. Ashby, Effective properties of the octet-truss lattice material, J. Mech. Phys. Solids 49 (8) (2001) 17471769. [3] S. Chiras, D.R. Mumm, A.G. Evans, N.Wicks, J.W. Hutchinson, K. Dharmasena, H.N.G. Wadley, S. Fichter, The structural performance of near-optimized truss core panels, Int. J. Solids Struct. 39 (15) (2002) 40934115. [4] N. Wicks, J.W. Hutchinson, Performance of sandwich plates with truss cores, Mech. Mater. 36 (8) (2004) 739751. [5] M. Santorinaios,W. Brooks, C.J. Sutcliffe, R.A.W. Mines, Crush behaviour of open cellular lattice structures manufactured using selective laser melting, WIT Trans. Built Environ. 85 (2006) 481490. [6] S. McKown, Y. Shen, W.K. Brookes, C.J. Sutcliffe, W.J. Cantwell, G.S. Langdon, G.N. Nurick, M.D. Theobald, The quasi-static and blast loading response of lattice structures, Int. J. Impact Eng. 35 (8) (2008) 795810.
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