發(fā)布時(shí)間：2019-06-05 11:01

【摘要】：基于從平面單元到凸多面體空間單元拓?fù)溆成涞募s束條件,以特征角點(diǎn)坐標(biāo)作為變量,建立雙邊凸多面體約束方程組,求特征角點(diǎn)徑長的變異系數(shù)的極小值,實(shí)現(xiàn)多邊形構(gòu)型凸多面體的球形優(yōu)化,從而建立了一種可實(shí)現(xiàn)多邊形構(gòu)型雙邊球形凸多面體系列化構(gòu)建的解析計(jì)算方法。將旋轉(zhuǎn)對稱性雙邊球形凸多面體對應(yīng)的大矢跨比球冠應(yīng)用于天線罩,具有以下顯著優(yōu)勢:球形網(wǎng)殼結(jié)構(gòu)具有良好的力學(xué)性能;由于多邊形網(wǎng)格具有平面性,因此透波窗口便于做成薄膜單層形式,這是有利于天線罩取得良好電磁性能的因素。
[Abstract]:Based on the constraint conditions of topological mapping from plane element to convex polyhedral space element, taking the coordinate of characteristic corner as a variable, the bilateral convex polyhedral constraint equations are established, and the minimum value of the coefficient of variation of the diameter length of characteristic corner is obtained. The spherical optimization of polyhedral convex polyhedral is realized, and an analytical calculation method is established to realize the serialized construction of bilateral spherical convex polyhedral. The large rise-span ratio spherical crown corresponding to the rotating symmetry bilateral spherical convex polyhedral is applied to the radome, which has the following remarkable advantages: the spherical reticulated shell structure has good mechanical properties; Because the polygonal grid is planar, the transmission window is easy to be made into a thin film monolayer, which is a factor conducive to the good electromagnetic properties of the radome.
【作者單位】： 中國人民解放軍61517部隊(duì);河南科技大學(xué)土木工程學(xué)院;
【基金】：國家自然科學(xué)基金項(xiàng)目(51208182)
【分類號】：TN820.81
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本文編號：2493480