發(fā)布時(shí)間：2018-01-10 00:04

  本文關(guān)鍵詞：復(fù)合材料基鏤空網(wǎng)殼結(jié)構(gòu)的建模與仿真　出處：《材料科學(xué)與工藝》2017年05期 　論文類型：期刊論文

  更多相關(guān)文章： 復(fù)合材料 測(cè)地線 網(wǎng)殼結(jié)構(gòu) 數(shù)學(xué)建模 MATLAB仿真

【摘要】：為進(jìn)一步挖掘復(fù)合材料構(gòu)件的輕量化和成型形態(tài)等結(jié)構(gòu)特性,提出了突破傳統(tǒng)滿鋪結(jié)構(gòu)的曲面鏤空等厚度網(wǎng)殼構(gòu)件的數(shù)學(xué)模型,并對(duì)其成型表面的形態(tài)和效果進(jìn)行了實(shí)驗(yàn)驗(yàn)證.運(yùn)用三維空間曲面映射法建立笛卡爾參數(shù)坐標(biāo)系,在單位球面上建立并推導(dǎo)了網(wǎng)殼構(gòu)件曲面測(cè)地線弧及測(cè)地線交角的高斯第I基本型模型,利用MATLAB對(duì)該模型的正交編織算例進(jìn)行了仿真和構(gòu)型驗(yàn)證.結(jié)果表明:除仿真構(gòu)件邊緣平齊一致性不足外,該仿真構(gòu)型與預(yù)期結(jié)果構(gòu)型輪廓相符.為進(jìn)一步驗(yàn)證該模型用于實(shí)際生產(chǎn)制造的可行性,采用預(yù)浸纖維復(fù)合材料帶為基材,經(jīng)編織、固化生產(chǎn)出該模型的5×5網(wǎng)殼結(jié)構(gòu)成品試件.該研究為復(fù)合材料殼體超輕化且低成本結(jié)構(gòu)成型提供了新思路,可為網(wǎng)殼類結(jié)構(gòu)制件的支撐筋/骨架設(shè)計(jì)提供建模新方法.
[Abstract]:In order to further excavate the structural characteristics of composite components, such as lightweight and shape, a mathematical model is proposed to break through the traditional overlay structure, such as curved surface hollow-out and other thick reticulated shell members. The shape and effect of the molded surface are verified by experiments. The Cartesian parametric coordinate system is established by using the three-dimensional space surface mapping method. The Gao Si I basic model of the surface geodesic arc and the intersection of geodesic lines of reticulated shell members is established and deduced on the unit sphere. The simulation and configuration verification of the orthogonal braiding model is carried out by using MATLAB. The results show that except for the lack of the consistency of the edge alignment of the simulation components. In order to verify the feasibility of the model used in practical manufacture, prepreg fiber composite material is used as substrate and braided. The 5 脳 5 reticulated shell structure finished sample is produced by curing the model. The research provides a new idea for ultra-light and low cost structural molding of composite shell. It can provide a new modeling method for the design of bracing bar / skeleton of reticulated shell structure.
【作者單位】： 哈爾濱理工大學(xué)機(jī)械動(dòng)力工程學(xué)院;哈爾濱學(xué)院信息工程學(xué)院;江蘇恒神股份有限公司工程技術(shù)中心;
【基金】：黑龍江省自然科學(xué)基金資助項(xiàng)目(E201301) 哈爾濱市優(yōu)秀學(xué)科帶頭人項(xiàng)目(2016RAXXJ013) 哈爾濱市杰出青年人才專項(xiàng)基金項(xiàng)目(RC2016JQ009005)
【分類號(hào)】：TB33
【正文快照】： 3.江蘇恒神股份有限公司工程技術(shù)中心,江蘇丹陽212314)相比于金屬材料,復(fù)合材料以其比模量高、比剛度大、可設(shè)計(jì)性強(qiáng)和環(huán)境魯棒性好等優(yōu)質(zhì)特性,在航空、航天、汽車、艦船、機(jī)械、土建以及軍事等實(shí)際工程中得到廣泛應(yīng)用[1-3],而復(fù)合材料結(jié)構(gòu)體(如雷達(dá)整流罩、飛機(jī)頭部等)的應(yīng)用，

本文編號(hào)：1403043