發(fā)布時(shí)間：2018-03-05 20:01

  本文選題：BIM　切入點(diǎn)：二次開(kāi)發(fā)　出處：《大連理工大學(xué)》2016年碩士論文　論文類(lèi)型：學(xué)位論文

【摘要】：近年來(lái),空間網(wǎng)格結(jié)構(gòu)尤其是網(wǎng)殼結(jié)構(gòu)迅速發(fā)展,其兼有桿系結(jié)構(gòu)和薄殼結(jié)構(gòu)受力合理、跨度大的特點(diǎn),具有非常廣闊的應(yīng)用前景。網(wǎng)殼結(jié)構(gòu)節(jié)點(diǎn)和桿件數(shù)量巨大,但傳統(tǒng)的設(shè)計(jì)方法仍是以手工建模為主。近年來(lái),隨著信息技術(shù)的飛速發(fā)展,計(jì)算機(jī)及相關(guān)軟件在網(wǎng)殼結(jié)構(gòu)設(shè)計(jì)領(lǐng)域中的應(yīng)用日益廣泛,尤其是建筑信息模型(BIM)技術(shù)的出現(xiàn),大大提高了網(wǎng)殼設(shè)計(jì)及施工的效率。作為BIM重要建模軟件之一的Revit,因具有友好的界面和便捷的使用性及參數(shù)化設(shè)計(jì)理念,成為應(yīng)用研究的熱點(diǎn)。從已有文獻(xiàn)看,通過(guò)對(duì)Revit Structure進(jìn)行二次開(kāi)發(fā)可以實(shí)現(xiàn)單層球面網(wǎng)格的參數(shù)化生成及進(jìn)行空間網(wǎng)架的建模和工程量統(tǒng)計(jì)。但對(duì)于Revit二次曲面網(wǎng)殼設(shè)計(jì),仍主要依賴(lài)于菜單欄命令,對(duì)于需要處理大量坐標(biāo)數(shù)據(jù)的網(wǎng)殼設(shè)計(jì)工作量大且易出錯(cuò)。本文在已有研究成果基礎(chǔ)上,結(jié)合網(wǎng)殼建模過(guò)程,應(yīng)用Revit API實(shí)現(xiàn)具有對(duì)橢圓拋物面、雙曲拋物面等網(wǎng)殼結(jié)構(gòu)在Revit中參數(shù)化設(shè)計(jì)功能。本文的主要?jiǎng)?chuàng)新點(diǎn)如下：(1)以Revit概念體量族為平臺(tái),結(jié)合《JGJ7-2010空間網(wǎng)格結(jié)構(gòu)技術(shù)規(guī)程》實(shí)現(xiàn)了常用單層二次曲面網(wǎng)殼在Revit環(huán)境下的自動(dòng)生成,完成常用單層二次曲面網(wǎng)殼結(jié)構(gòu)的參數(shù)化建模,彌補(bǔ)了軟件二次曲面建模的不足。(2)自動(dòng)生成二次曲面網(wǎng)殼基于有限元分析軟件ANSYS的命令流,可在ANSYS中自動(dòng)建模,劃分單元,進(jìn)行網(wǎng)殼結(jié)構(gòu)靜力分析。實(shí)現(xiàn)了Revit及ANSYS有效集成。(3)可將計(jì)算結(jié)果反饋給用戶(hù),用戶(hù)根據(jù)計(jì)算說(shuō)明書(shū)適當(dāng)調(diào)整設(shè)計(jì)方案。經(jīng)實(shí)例驗(yàn)證,本文編制的二次曲面建模插件可以實(shí)現(xiàn)單層網(wǎng)殼結(jié)構(gòu)的快速建模及初步設(shè)計(jì),從而將設(shè)計(jì)人員最大程度從傳統(tǒng)建模方式中解放出來(lái),有更多的時(shí)間處理設(shè)計(jì)方案比選及方案修改工作。
[Abstract]:In recent years, the space grid structure, especially the latticed shell structure, has developed rapidly. It has the characteristics of reasonable stress and large span of the rod system and thin shell structure, and has a very broad application prospect. The number of nodes and members of the latticed shell structure is huge. In recent years, with the rapid development of information technology, the application of computer and related software in the field of reticulated shell structure design is increasingly extensive, especially the emergence of building information model (BIM) technology. As one of the important modeling software of BIM, Revit has become a hotspot in application research because of its friendly interface, convenient use and parameterized design idea. Through the secondary development of Revit Structure, the parameterized generation of single-layer spherical meshes, the modeling of space grid and the quantity statistics of space grid can be realized. But for the design of Revit Quadric reticulated shell, it is still mainly dependent on the command of menu bar. The design of reticulated shell which needs to deal with a large amount of coordinate data is heavy and error-prone. Based on the existing research results and combined with the modeling process of reticulated shell, Revit API is used to realize the paraboloid of ellipse. The parameterized design function of hyperbolic paraboloid latticed shell structure in Revit. The main innovation of this paper is as follows: 1) based on the Revit concept volume family, Combined with the Technical Specification for JGJ7-2010 Space Grid structure, the automatic generation of single-layer conic reticulated shells in Revit environment is realized, and the parameterized modeling of common single-layer conicoid reticulated shells is completed. It makes up for the deficiency of software Quadric surface modeling. It can automatically generate the command stream of Quadric reticulated shell based on finite element analysis software ANSYS, and can automatically model and divide the unit in ANSYS. The static analysis of reticulated shell structure is carried out. The effective integration of Revit and ANSYS is realized. The calculation result can be fed back to the user. The user adjusts the design scheme according to the calculation instruction. The Quadric Surface Modeling Plug-in developed in this paper can realize the rapid modeling and preliminary design of single-layer latticed shell structure, thus liberating the designer from the traditional modeling method to the greatest extent. There is more time to deal with the design scheme than the selection and modification of the scheme.
【學(xué)位授予單位】：大連理工大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2016
【分類(lèi)號(hào)】：TU399

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本文編號(hào)：1571669