桁網架 的英文怎麼說
中文拼音 [héngwǎngjià]
桁網架
英文
trawl head-
Neural network modeling for space structures
基於神經網路的空間桁架結構建模研究This paper introduces the developing tendency of the space structure and the application of the pretensioned space lattice structure, summarize the analysis method and relation between lattice structure and pretensioned space lattice structure. dissertate the space pole - truss displacement method, tendon working principle, set forth the method of optimal design and whole process design. includes the use stage design and construction stage design of pretensioned space lattice structure
本文首先介紹了空間結構的發展趨勢及拉索預應力空間網格結構的應用情況，概述了網格結構與拉索預應力空間網格結構的分析方法及其相互關系，論述了空間桿系桁架位移法，拉索作用機理，闡述了拉索預應力空間網格結構的優化設計及全過程設計的設計方法，包括拉索預應力空間網格結構使用階段的設計和施工階段的設計。Referring to some type of the structure such as plane truss, grid truss and grid shell, the author dissertates the common construction technique including whole installation, integral propping up, integral lifting, high altitude construction in bulk, member assembly and sliding construction
結合大跨度鋼結構的各種形式，如平面桁架、網架、網殼等，概要的論述了其一般的施工方法、工藝和技術要點，包括整體吊裝法、整體頂升法、整體提升法、高空散裝法、分單元吊裝法和高空滑移法。All the researched results prove the era method is steady and suitable for those structures : spacecraft 、 beam - plane structure 、 truss structure 、 frame 、 bridge, etc. on the basis of the consideration of the above, the major job of the article is to discuss how to identify the parameters of the long - span structure with the method of era under the action of the wind loads
但是，國內外已有的相關文獻，對于下面的結構均進行了相關的研究，如航天器、梁板結構、桁架、框架、橋梁等。基於以上考慮，本文主要工作，就是探討在風激勵荷載作用下，如何用era演算法識別大跨空間網格屋蓋結構的模態參數。Our company makes full of the aluminum resources and plastics resources in wuxi city, probably specializes in producting many kinds of portable unfurl and display equipments of their own superiorities, mainly as follows : roll up stand screen series ; x rack banner stand series ; l banner stand series ; pop - up display series ; promotion stand series ; wall picture shelf series ; triple banner series ; special assembly series of metal truss of products ; folded panel etc. the equipments are well known with best quality, elegant and natural drawing line, light weight, easy to carry and set up and your ideal tools to display your image perfectly in all kinds of fairs
公司生產便攜式展覽展示器材，主營產品的系列有：易拉寶x展架l展架促銷臺拉網展架金屬焊管桁架旅遊桌椅帳篷等產品，並擁有自己的專利產品品牌-華東展示牌。公司擁有一批專業設計師及管理團隊，構思設計出一批批新型款式的便攜式展示器材和廣告器材，為企業節省人力物力的同時，更節省了企業的資金，使其便攜展示器材成為市場的新寵和挑戰者。Wuxi hongqiao displays equipment factory is a professional company engaged in the production of advertisements supplies, technology companies have strong, well - equipped production, consistent : " customer first, the service first, quality first " principle of the operation, to the research and development of various advertising materials and supplies exhibition is easy to carry, disasse - mbly flexible and used repeatedly, cost savings and other features, creating the company s products, including portable yilabao, intensive outreach planes, three double, poster frames f information, and all kinds of exhibitions and eight trusses prism, the global festival, display cabinets, and the development of the tent, folding chairs and other tourist resorts and supplies
無錫市鴻橋展覽展示器材廠是一家從事廣告展示用品生產的專業化公司，公司技術力量雄厚，生產設備精良，一貫堅持： 「客戶第一，服務第一，質量第一」的經營原則，自行研製和開發的各種廣告器材和展覽用品，具有攜帶方便，拆裝靈活，反復使用，節約成本等特點，公司主要產品有便攜式展具包括易拉寶拉網展架三面翻海報架資料架等，和展覽用的各種桁架系列舞臺系列展示櫃等。At the same time, the steel truss with cross diagonal web members, without vertical web member, is the best project to transfer a big span structure
同時，研究發現有交叉斜腹桿而無豎腹桿的鋼桁架結構形式是實現大跨度、大柱網轉換的優選方案。Thereinto, the transfer beam and transfer truss are used, while for the high - rise building with complex figure, only the transfer slab can be used. because there are few studys on transfer thick slab at present, this paper will discuss the problem
使用較多的是梁式和桁架式轉換層，而對于上下柱網軸線錯開的體型復雜的商住樓，則只能採用厚板結構轉換層，由於這方面的理論研究還不多，本文就此展開討論。Three factors of carrying capacity, shippmg, traffic flux are considered among alteration and upgrade. carrying capacity upgrade aims at simply - supported girder bridge and arc bridge ( truss bridge and double arch bridge ) of sea - route nets. to navigation, headroom chiefly is required, secondlythe jacking - up technique and economical analysis are given attention to two or morethings. the simply - supported grider bridge and mono - arch bridge are touched upon in navigation upgrade
在升級改造中主要探討了承載力升級、通航升級、交通流量升級三個因素。其中承載力升級主要針對航道網上的簡支梁橋和拱橋（桁架拱橋和雙曲拱橋） 。Shape adjustment on ground of circular - truss deployable antenna
周邊式桁架可展開天線基於地面的網面調整Plane trussed lattice grids
平面桁架系網架5The cold - formed square hollow section columns are widely used in various structures such as building structure, trusses, space frames and offshore plates etc. this paper is mainly doing the research on load carrying capacity of the cold - formed square hollow section columns under axial load, the paper includes the following main contents : ( 1 ) an elastic buckling stress for cold - formed square hollow section is presented by finite element analysis, and is compared with the result given by classical elastic buckling theory ; ( 2 ) the elastic - plastic non - linear behavior of the cold - formed square hollow section columns analyzed by ansys is presented ; ( 3 ) by using material model, and geometry nonlinear analysis, the cold - formed effect to stub columns of cold - formed square hollow section is studied ; ( 4 ) by using an material model, the geometry nonlinear analysis, the influence of initial geometrical imperfection to stub columns of cold - formed square hollow section is also analyzed ; ( 5 ) the load carrying capacity of the cold - formed square hollow section columns, which are including the cold - formed effect and influence of initial geometrical imperfection is analyzed by non - linear finite element, and the theoretical analysis results are compared with the results of experimental study and the results calculated by specification gb50018 - 2002
冷彎方管作為軸心壓桿廣泛用於房屋結構、桁架、網架、塔架以及海洋平臺等結構中，本文主要研究軸心受壓冷彎方管的承載力性能，內容主要包括以下一些： （ 1 ）對冷彎方管的彈性臨界應力進行有限元分析，並與經典理論結果進行對比，以驗證有限元程序的適應性； （ 2 ）闡述冷彎方管採用有限元彈塑性非線性分析理論及應用ansys軟體的非線性分析方法； （ 3 ）採用彈塑性模型，考慮幾何非線性及材料非線性，對不同寬厚比的軸心受壓冷彎方管柱的冷彎效應進行有限元非線性分析研究； （ 4 ）考慮冷彎效應對屈服應力的影響，對不同寬厚比的軸心受壓冷彎方管短柱在不同初始變形下的承載力性能進行有限元非線性研究； （ 5 ）考慮冷彎效應、幾何初始變形，對不同長細比和不同寬厚比的軸心受壓冷彎方管長柱的承載力性能進行有限元非線性研究，並與試驗結果以及我國現行規范gb50018 ? 2002計算結果進行對比分析。The distribution of pre - stress in parabolic net of astromesh deployable antenna plays an important role in design and analysis of this kind of deployable antenna, a common method to solve this problem is non - linear finite element method
環形桁架可展天線中心索網的預拉力配置問題是此類天線結構設計與分析的重點，目前，常採用的解決方法為非線性有限元平衡迭代。The linear solution and nonlinear solution were compared, the structure ' s obvious geometrical nonlinear character was found. then the buckling analysis of the structure was made, and compared corresponding dome, the conclusion was made that ribbed truss and pre - stressed cables improved the structure ' s limit buckling load. at one time, the buckling analysis of structures with different rise - to - span were made, and discovered that buckling load and stability can be improved with high rise - to - span
通過對該結構的線性解和非線性解的比較，發現結構具有明顯的幾何非線性特徵；對加肋預應力穹頂結構作了屈曲分析，並將它的結果與相應的單層網殼作了比較，得出了由於肋桁架和預應力索的存在，加肋預應力穹頂結構的極限載荷大幅度提高，比一般的單層網殼結構具有更好的穩定性能的結論。A large astromesh deployable antenna which is a project supported by state committee was designed and analyzed in this paper. the design and analysis process was described in detail. through the parallel analysis of four common type of cable - net for astromesh antenna and the parameterized analysis of every kind of structural parameter, the influence to static and dynamic characteristic of astromesh deployable antenna by the type of cable - net and every kind of structural parameter was given out
結合課題組承接的科研項目，對一大型環形桁架可展天線結構實例進行了設計與分析，對設計分析的各個環節進行了詳細的闡述，通過對該類天線四種常用索網形式的對比分析及各類結構參數的參數化分析，得出了索網形式及各類結構參數對其靜、動力特性的影響規律，對此類可展天線的設計具有指導意義。Therefore, the original optimization model is transformed into the problem of cross sectional area optimization. this paper had great research on the development of optimization algorithm by analyzing typical optimal search method, such as greedy algorithm, simulated annealing algorithm, neural network and genetic algorithm ( ga ). according to the characteristics of truss structure, we choose genetic algorithm as the solution way
本文在研究優化演算法發展過程的基礎上，分析了典型的優化搜索方法：確定性演算法如貪婪演算法，隨機搜索演算法如模擬退火演算法，人工智慧演算法如神經網路及遺傳演算法，根據桁架結構優化的特點，最終選擇以遺傳演算法作為桁架結構優化設計的主要演算法。分享友人