Firstly, the high resolution pictures of dragonfly wings from sample tests were studied thoroughly, and the unique feature of the reticulate vein distribution and the variation of the vein sizes and the grid shapes in different zones were figured out;then several computational models based on a dragonfly wing were established by using ANSYS, and beam 189 and shell 93 elements were used respectively in modeling of the veins and the membrane so as to ensure the compatibility between the veins and the membrane at a deformed state;these models subject to uniform loading cases were analyzed respectively so as to explore the unique performances of the wing structure, furthermore, through eigenvalue spectrum analyses of these models, the special role of the pterostigma in eliminating or suppressing the wing quivering effect was also evaluated.

首先天天操天天透天天添，對實(shí)驗(yàn)中獲取的高清晰度的蜻蜓翅膀數(shù)碼圖片進(jìn)行了細(xì)致地分析国产精品乡下勾搭70岁，找出了翅膀網(wǎng)狀翅脈結(jié)構(gòu)中翅脈的分布規(guī)律與尺寸變化、網(wǎng)格形狀的差異及不同形狀網(wǎng)格的分布等獨(dú)特的結(jié)構(gòu)特征欧美综合日韩第五六；再利用ANSYS建立蜻蜒翅膀網(wǎng)狀翅脈結(jié)構(gòu)模型白白免费视频观看首页，采用三節(jié)點(diǎn)等參數(shù)梁元beam189模擬翅脈和八節(jié)點(diǎn)等參數(shù)曲殼單元shell93模擬翅膜，以滿足翅脈和翅膜間的變形協(xié)調(diào)性要求免费看a毛片；通過非線性數(shù)值分析欧美一级高潮片老师，探索了蜻蜓翅膀網(wǎng)狀翅脈結(jié)構(gòu)在均布荷載作用下所具有的獨(dú)特的結(jié)構(gòu)性能；通過模態(tài)分析欧美一级夜夜爽wWW，揭示了翅膀前緣靠近翼尖附近的翅痣在翅膀消震減振中所發(fā)揮的作用婷婷久久综合爱桃花。

Dragonfly wing;reticulate vein;pterostigma;bionic structure;new-style structural system

論文導(dǎo)師童根樹，論文學(xué)位碩士，論文專業(yè)結(jié)構(gòu)工程

pterostigma：翅痣

各翅均有一翅痣(pterostigma). 尾須小,只一節(jié). 白天活動,飛行敏捷而有力,可持續(xù)飛行頗長時(shí)間,并能在飛行中捕捉其他昆蟲為食. 若蟲水生,其下唇特化成一捕食器官,稱為面罩(mask),用來捕食小型甲殼動物和其他昆蟲. 不完全變態(tài).