double element 中文意思是什麼

double element 解釋
二重元素
  • double : adj 1 兩倍的,加倍的。2 雙的,二重的,雙重的;對,雙,兩,復。3 雙人用的;折疊式的。4 (意義)雙...
  • element : n 1 要素;成分;(構成)部分;分子。2 【化學】元素;【數學】元,素;【機械工程】單元;單體;【無...
  1. The papers whose research object is the 7 - floor frame - structure with isolator - seismic layer, in which the isolator - seismic layer adopt some standard interlayer rubber isolator. by establish a 3 - dimension finite - element modal and use the a nalysis soft - ansys, we can make dynamic analysis on the structure. by analyses we can get some response characteristics of the structure sparked by the normal and rarely earthquake of 8 - degree fortify intensity, by the double - horizons seismic and by the vertical seismic

    本論文設計了一7層的具有隔震層的框架結構並以此為研究對象,其中隔震層採用標準件的夾層橡膠隔震墊,通過建立三維有限元分析模型,運用大型有限元分析軟體? ansys對結構進行動力響應彈塑性時程分析,得出了結構在8度設防烈度下的常遇水平地震和罕遇水平地震激勵下的響應特性、在雙向水平地震波激勵下結構的響應特性和在豎向地震波激勵下結構的響應特性。
  2. Typical examples show that the results of quasi - homocentric structure are better than traditional structure, the results of finite element are better than that of approximate analytical methods, monolayer stiffened results are better than two - double longitudinals stiffened optimum results

    典型實例表明,準同心圓式結構優化設計方案優于傳統結構設計方案,基於有限元優化設計方案優于基於解析法的優化設計方案,液艙殼板單層加縱骨結構優化設計方案優于雙層加縱骨結構優化設計方案。
  3. In order to approach the optimum design of changeover portion structural shapes for submarine ' s different diametral pressure cabins, a new structural type, named the double arc transition form, is introduced based on the analysis of stress concentration, by using the engineering calculation method and finite element mthod

    摘要為了探討潛艇不同直徑的耐壓艙室過渡段結構型式的最優設計,利用工程計算方法和有限元方法,分析過渡段結構的應力集中,提出了能夠使不同直徑圓柱殼光滑過渡的結構形式雙圓弧式過渡形式。
  4. According to finite element segmentation principle, by combining test with observation, the author has measured the air streamline and speed distribution of burning equipment in dally situation, which provides some guide for research of air field in hearth on cold and hot conditions. and the law is found of air speed distribution by measuring its speed and distribution of upper and lower deck on cold condition, thus it lays the foundation for analysis on hot condition. under four burning states, we measure the air speed in single, double - deck, and find out its corresponding distribution law

    5 .根據有限元分割原理布置測點,採用降溫方法,用k五江9106等儀器分別測出單雙爐排燃燒方式4種不同工況下,該燃燒設備爐膛內coz 、 02 、 co氣體濃度,並找到了隨爐膛高度方向及深度方向變化規律;從燃燒原理分析評價了2種燃燒方式爐膛內coz 、 02 、 co氣體濃度場分佈特點及相應燃料層內乾燥、干餾、氧化、還原、灰渣層厚度,肯定了雙層爐排燃燒方式爐膛中c02 、 02 、 co氣體濃度場分佈合理性,從燃燒理論找出了最佳濃度場分佈狀態及燃料層內各反應層厚度。
  5. The plexiglass model test is carried out by two selective shape, the stress of each test operating loads was obtained in order to validate the correctness of the finite element modeling. in this paper, a regularity of shear lag effect of main sections in two kinds of box girder is given. as the foresight project of double - level - driveway continuous box girder, this research fully utilizes the space of box girder structure and flexural and torsional properties of high - depth box girder, which have innovative significance and applied foregroundin engineering

    對所選擇的結構形式進行縮尺有機玻璃模型試驗,得到實腹連續箱梁和空腹箱梁在各種試驗工況荷載下的應力,通過換算分析,驗證了本文所建立的有限元模型的準確性,由此得到兩種箱梁各主要斷面剪力滯效應的變化規律。
  6. The voltage ir on core adopts semienclosed insert model. the current element adopts two - stage compensation to have wide load property. the whole plasticenclosed voltage coil. can withstand instantaneous large voltage impulse. the double jewels bearing or the magnetic - propelled bearing can ensure long lifetime. the bipolar aluminium nickel cobalt damping magnet steels have high coercivity, stable magmetic property. the electric function is in accordance with iec521 international standard

    :電壓鐵芯採用半封閉插入式,電流元件採用二級補償使表計具有寬的負載特性。全塑封的電壓線圈能稱說瞬時大電壓沖擊。雙寶石軸承或磁推動軸承確保表計長壽命。
  7. Modeling the general solid web continuous box girder and opening - in - web ( open web ) continuous box girder by ansys finite element modeling tool, node stress of governing section and corresponding shear lag values are analyzed. the solution is validated by comparing with variational results and modeling test values. based on the model, the section shear lag induced by dead load, prestress tendons and car loads under the most unfavorable condition and lateral symmetry are also approached. the influence of shear lag effect in double - level continuous box girder is considered with opening - in - web and the web location. the analysis indicates that double - level - load arouses less shear lag effect than one - level - load. when self - weight and prestressed tendons act on together, the shear lag effect on box girder take on a evidently change

    基於所建立的有限元模型,本文分別對實腹和腹板開孔兩種箱梁在恆載、車載、預應力荷載作用時,各主要截面的剪力滯效應進行分析,通過施加縱向最不利的和橫向對稱的車輛荷載,研究實腹連續箱梁和空腹連續箱梁在承受雙層荷載和單層荷載時引起的剪力滯效應,並考慮腹板開孔及開孔位置對于連續箱梁剪力滯效應的影響。分析表明,雙層車載對于箱梁引起的剪力滯系數比單層車載的影響要小,對于箱梁中存在引起的剪力滯后現象有一定的改善作用。
  8. Examination of angiography, ultrasonic reachs double tube of indirect ophthalmoscope, fluorescent element the application of the modern technology such as ct, mri, make the diagnosis of tumour following a ministry rises with each passing day

    雙筒間接眼底鏡、熒光素血管造影、超聲波檢查及ct 、 mri等現代技術的應用,使跟部腫瘤的診斷日趨提高。
  9. Specification for alternating - current relays for railway signalling : track relays double - element, 2 - position, line relays single - element, 2 - position

    鐵路信號用交流繼電器規范.撥軌繼電器
  10. Analysis of the interval between double - row piles by finite element method

    雙排樁支護排距的有限元分析與研究
  11. Simultaneously, the thesis discusses the calculation theory and analysis method for beam on elastic foundation, and gives an in - depth discussion on each calculation model of beam on elastic foundation, including elastic theory model, wenker theory model, spring - system connected with flexible line model and double - foundation - bed coefficient model etc. the deficiency of elastic foundation finite element method of deep excavation timbering system presently is pointed out via the detailed investigation to the elastic foundation finite element method calculation theory and implement process based on wenker theory model

    同時,本文論述了彈性地基梁的計算理論和分析方法,深入討論了彈性地基梁的各種計算模型,其中包括彈性理論模型、文克爾理論模型、用彈性柔線聯結的彈簧系模型、雙基床系數模型等。通過詳實地分析建立在文克爾理論模型基礎之上的彈性地基有限元法計算原理和實施過程,指出當前深基坑支護體系彈性地基有限元法的不足。
  12. Finite - element method of double - layer beam model for analysis of composite steel - concrete beams

    混凝土組合梁雙層梁有限元分析方法
  13. In the latest round of attack in august, some hedge funds sought to engineer extreme conditions in the money market in order to benefit from large short positions in the stock and futures markets - the so - called double market play. the severity of the speculative attack and the manipulative element involved were unprecedented

    在八月發生的最近一輪沖擊中,一些對沖基金故意在貨幣市場製造恐慌,以圖在股票及期貨市場積存的大量淡倉中獲利,也即進行所謂的"跨市場操控" 。
  14. The integral method is adopted caculate and analyze to amf three - dimension distruction which is the structure of coil type four - pole and the structure of coil type double - pole and study the size of two kind of electrode structure axial magnetic flux density distribution and its fielduniformity. the finite - element method is used simulate that eddy current has effect on amf when contact tray of douple - pole amf structure is slotted or no

    本文採用積分方法對本文設計的線圈式兩極縱向磁場觸頭結構和線圈式四級縱向磁場觸頭結構的縱向磁場三維分佈進行了計算分析。研究了電弧燃燒期間兩種觸頭結構縱向磁場強度的大小、均勻性,利用有限元法模擬線圈式兩極縱向磁場觸頭結構的觸頭盤開槽和不開槽時渦流對縱向磁場的影響。
  15. For the first time, based on frame structure with large thick raft plinth and many engineering examples, analytic method of interaction that means the analysis on three parts above as a whole with a full consideration of interaction thereof that met the need of the deformation correspond on the boundary was used to research on the interaction of structure and groundsill in this paper. and five models were adopted, which were : ( 1 ) a tube with symmetrical double - axis structure and symmetrical loads, ( 2 ) two tubes with symmetrical double - axis structure and symmetrical loads, and ( 3 ) a tube with symmetrical single - axis structure and symmetrical loads, and ( 4 ) two tubes with symmetrical double - axis structure and unsymmetrical loads, and ( 5 ) two tubes with unsymmetrical structure and loads. based on the middle - thick slab theory from mindli and the model for groundsill from winkle, the deformation character of raft foundation and the distributing rule for resisting force of fundus were studied in details by using b ig - style fem ( finite element member ) software, ansys

    本文結合了大量的工程實例,以大底盤框架厚筏結構形式為研究對象,針對單個和多個塔樓布置於同一個大底盤框架厚筏基上的復雜結構體系,分( 1 )一個塔樓:結構布置雙軸對稱,荷載對稱的情況; ( 2 )兩個塔樓:結構布置雙軸對稱,荷載對稱的情況; ( 3 )一個塔樓:結構布置單軸對稱,荷載對稱的情? ; ( 4 )兩個塔樓:結構布置雙軸對稱,荷載不對稱的情況; ( 5 )兩個塔樓:結構布置和荷載均不對稱的情況等五種組合情況,全面系統地探討了上部結構?基礎?地基相互作用的大跨度基礎、基礎板變形特徵及其基底反力的分佈規律。
  16. Combined with the full scale models tested in - situ of prestressed concrete penstock with double circle unbonded strands and single circle bonded strands of xiaolangdi multipurpose dam project of yellow river, the advantages and disadvantages of two different prestressed systems are analyzed, the concrete stress distributions of the prestressed concrete penstock are induced and summarized during the whole tensioning strands stage. the consistence among the test results, the theory calculating and the three dimensional finite element analysis is proved. therefore, the theoretical method of prestressed concrete penstock is feasible

    結合黃河小浪底水利樞紐工程在施工現場進行的採用雙層雙圈環形無粘結預應力鋼絞線和單圈有粘結預應力鋼絞線對排沙洞襯砌混凝土施加預應力的1 : 1模型試驗,對比分析了兩種后張預應力施工體系的優劣,歸納總結了預應力筋束張拉過程中預應力混凝土壓力管道結構管壁混凝土的內力分佈規律,驗證了模型試驗實測數據、理論計算和三維有限元分析結果的一致性,確定了預應力混凝土壓力管道理論計算方法的可行性。
  17. A finite element model for double wishbone suspension with twirl torsion bar of a 5 - axle heavy truck is established and a simulation is conducted, including the analyses on static stiffness and strength characteristics of the suspension

    摘要建立了某五軸載貨汽車雙扭桿雙橫臂懸架有限元模型,對各零部件之間連接關系進行模擬,在此基礎上,對模型靜態剛度和強度特性進行分析。
  18. In the paper, based on the existing literature research foundation an analog circuit catastrophic fault location approach by using feedforward networks with back ? propagation learning is realized. by this approach, the simulation require ments before test are reduced because fewer training samples are needed, and the fault location process is fast. this method is very efficient in location of single hard fault wit component tolerances. the measureme nt space feature and the general characterization concept of single and double soft fault in linear circuits are presented. according to this concept, a linear circuits soft fault location approach using subhidden layer bpnn is established with element tolerance, and it is shown that this approach is successful in fault location. a double fault feature extraction.,

    本文在現有文獻理論研究的基礎上實現了採用bp演算法前向多層神經網路對直流測試下模擬電路硬故障的診斷方法。其特點是採用少量典型特徵樣本作為bp網路的訓練樣本,獲得訓練樣本的代價小,減少了測前工作量,同時診斷速度快,在考慮元件容差時仍有好的診斷效果。文中介紹了線性電路單一軟故障和雙軟故障所具有的電壓增量空間特性和統一特徵概念。
  19. On request a 3 - or 4 - wire or a double element with with 2 - or 3 - wire connection can be used

    根據要求,也可以使用3或4線連接,或者是雙元件2線或3線連接。
  20. Specification for alternating - current line relays double - element 3 - position for railway signalling

    鐵路信號用3位置雙元交流線路繼電器規范
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