等效構件 的英文怎麼說

中文拼音 [děngxiàogòujiàn]
等效構件 英文
equivalent link
  • : Ⅰ量詞1 (等級) class; grade; rank 2 (種; 類) kind; sort; type Ⅱ形容詞(程度或數量上相同) equa...
  • : Ⅰ名詞(效果; 功用) effect; efficiency; result Ⅱ動詞1 (仿效) imitate; follow the example of 2 ...
  • : Ⅰ動詞1 (構造; 組合) construct; form; compose 2 (結成) fabricate; make up 3 (建造; 架屋) bui...
  • : Ⅰ量詞(用於個體事物) piece; article; item Ⅱ名詞1. (指可以一一計算的事物) 2. (文件) letter; correspondence; paper; document
  1. Strip - shape underground structures such as the tunnels and tubes for various uses can be treated as a beam on elastic foundation under earthquake condition , although there exists soil - structure interaction , the foundation soil vibration is dominant in other words , analysis of earthquake response of the soil is essential to this end , simplified models , ( i. e equivalent mass system models based on some equivalence criteria ) are proposed , instead of a general 3 - d continuum model in this study , equivalence criteria are proposed and the simplified models are compared the single - mass - string model is proved to be valid and therefore applied to the analysis of earthquake response of the pearl river immersed tunnel

    條裝地下結如隧道、各種埋設管道一般可看作彈性地基梁進行靜力及動力分析在地震條下,結與土相互作用,但土的振動成為主要因素為分析土的地震響應需把基土這一三維連續體作簡化處理,簡化成為多質點模型本文著重探討這種簡化模型的建立方法,推導方程,通過幾種簡化體系的分析比較,論證單質點串體系的合理性,並將其應用到廣州黃沙芳村珠江水下隧道工程的地震響應分析,為抗震設計提供依據
  2. Based on the project imbrued especially by hunan province construction office, the study of this paper includes four parts as follows : the first part does some simplify on the characters of the rc material under high temperature. after transferring the rc section under fire to equivalent one at normal temperature based on the stiffness and intensity equivalent, the rc members under fire can be calculated as ones at normal temperature

    主要研究內容如下: ( 1 )基於剛度或強度原則,根據截面各點材料力學性能的退化,把受火鋼筋混凝土非均勻截面成常溫下的鋼筋混凝土截面,使得高溫下剛度和強度的計算可按常溫下的計算理論進行。
  3. Using the particle - in - cell ( pic ) model, a 8 millimeter relativistic backward wave oscillator underlying superradiance mechanism was gotten, the influence on both operation frequency and radiation efficiency of the guiding magnetic field, the diode voltage, the beam current and the beam radius as well as the corrugation structure were also presented

    採用pic方法,通過數值模擬優化設計了超輻射狀態下的8毫米相對論返波振蕩器,分析了引導磁場、二極體電壓、電子束流、電子束半徑、周期慢波結對器的輻射功率及輻射率的影響。
  4. The 5 batches with 31 groups of specimens were carried out four different curing systems including standard curing, hot water curing, dry heat curing and steam curing, and the regularity of rpc200 ' s strength with different curing conditions was studied. a conclusion was acquired by the experiment that the rpc200 ' s strength develops steadily in the steam curing which is mature and the economic benefits is more notable

    製作四批23組試,進行了標準養護、熱水養護、高溫乾熱養護、蒸汽養護四種不同的養護制度的對比試驗,通過試驗研究發現採用蒸汽養護的rpc200後期強度發展穩定,並且蒸汽養護技術成熟,養護設備無需改造就可用於rpc200的養護,具有顯著的經濟益。
  5. Because of its resistance to electrochemical erosion, low manpower demand for application and minimal changes in geometrical dimensions of the member, the method has been found to be economical and efficient for application, based on the previous work, we designed and conducted experiments of 10 reinforced concrete ( rc ) slabs strengthened with the common carbon fiber reinforced plastic ( cfrp ) ; and investigated the effect, failure mechanism and theory

    由於具有耐腐蝕、施工簡便快捷、幾乎不改變原有尺寸特點,得到廣泛的應用,具有良好的經濟益。在前人的工作基礎上,我們設計、試驗了10採用碳纖維布加固的鋼筋混凝土單向板,探討了加固單向板的加固果和理論分析方法。
  6. To meet the demands for large space and flexible compartmentation of buildings, laminated vierendeel trusses are adopted in high - position transfer story structures. first the bearing characteristics are analyzed, in which reasonable stiffness ratio of the upper chord, middle chord, and lower chord is derived. then combined with an actual engineering model ( 1 8 similar ratio ), the static loading and pseudo - dynamic tests of two models for laminated vierendeel truss used in transfer story structures are conducted, in which one model adopts reinforced concrete, and the other adopts prestressed concrete and shape steel concrete. seismic behaviors are analyzed, including inter - story displacement, base shear - displacement skeleton curves, and equivalent viscosity - damping curves. a program is programmed to carry out the elasto - plastic dynamic analysis, and displacement time - history curves of the two models are derived. the test and analysis results show that the laminated vierendeel truss with prestressed concrete and shape steel concrete has excellent seismic behaviors. it can solve the disadvantages of laminated vierendeel trusses used in transfer story structures. finally, some design suggestions are put forward, which can be referenced by similar engineering

    為滿足建築物大空間和靈活隔斷要求,在高位轉換層結中採用迭層空腹桁架結.首先分析了其受力性能,得出了空腹桁架各合理的截面剛度以及布局形式.然後結合一實際工程,進行了兩榀迭層空腹桁架轉換結模型( 1 : 8相似比)的豎向荷載下靜力試驗以及擬動力試驗.其中一榀為普通混凝土迭層空腹桁架,另一榀配置了預應力和鋼骨混凝土,對比分析了兩模型的層間位移比、骨架曲線以及粘質阻力系數抗震性能的比較,並進行了彈塑性動力分析.試驗和分析結果表明,配置預應力和型鋼混凝土的迭層空腹桁架轉換結具有良好的抗震性能,可以成功地解決迭層空腹桁架作為轉換層結所產生的弊端問題,最後對這類轉換層結提出了相應的設計建議
  7. The content of this thesis comes from the fujian natural science found following research task 。 it studies on a space cantilever single beam attached to a moving support 。 inertia forces which are brought by the support ' s movement , are acceded to the equivalent initiative forces and the equivalent initiative moments 。 when we consider the relation of the forces and deformation , we change the method of material mechanical analysis to the elastic mechanical analysis 。 further more , we discusses the feasibility of the method which uses the multi - rigid - body discrete model to simulate the dynamic characteristic of a elastic body 。 first , the finite segment method is adopted to establish the models of the beam 。 based on kane ' s equations , dynamic math - model for the beam are derived 。 and by use of c - language and runge - kutta procedure , the computer - oriented procedure can give the whole responses of the beam 。 second , with compare to the numerical examples , the method which uses the multi - rigid - body discrete model to simulate the dynamic characteristic of a elastic body which is under the condition of movement is verified to be feasible 。

    本論文為福建省自然科學基金后續研究課題,以已知支撐運動的單個空間懸臂梁為對象,在主動力與主動力矩中加入支撐轉動引起的慣性力,並在考慮力與變形關系時,用更一般的彈性力學分析代替材料力學分析,進一步研究用多剛體離散模型來模擬其動力學特性的可行性。首先,用有限段建立機械臂的多剛體離散模型,用kane動力學方法建立其動力學方程。並用c語言編制演算法程序,採用了四階runge - kutta積分程序求解微分方程組,給出的全部動態歷程。
  8. Based on the research to the stability variable cross - section beam, the bending defection differential equation of the variable cross - section beam in critical state of bucking is established. according to the edge condition of the structure, the differential equation is solved and bucking equation of variable cross - section beam is created. we can get the algorithm which can be used to calculate the equivalent inertia moment of the variable cross - section lattice structure when it is regarded as constant cross - section of solid web beam

    對變截面格的穩定性計算進行了初步的研究,通過建立變截面臨界狀態下彎曲變形的微分方程,根據變形邊界條,得到了兩端鉸支的變截面梁失穩特徵方程,提出了幾種特殊形式的變截面格截面實腹式慣性矩的計算方法。
  9. The bouc - wen differential equation model is used in modeling the hysteretic characteristics of these components. the pem ( pseudo excitation method ) combined with the elm ( equivalent linearization method ) is used to analyze the non - linear random vibration of such structures

    採用bouc - wen提出的微分方程模型描述進入非線性的滯變特性,運用虛擬激勵法結合線性化進行結非線性隨機振動分析。
  10. In allusion to disjoint of damage model in material, member and structure level, two times poa - based global damage model is presented. this model includes synthetically stiffness, intensity and ductibility degrading by equivalent stiffness decay before and after damaged

    針對材料、和結層次的損傷模型存在著脫節問題,本文介紹了基於兩次poa分析的整體損傷模型,通過結受損前後剛度的衰減來綜合考慮結剛度、強度和延性的退化,並通過算例來驗證該模型。
  11. In this paper, the author combines the theory analysis with the experiment research method, and discusses the seismic behaviours, 3d elaborate finite element analysis and simplified model analysis of a kind of multi - function tall building - " sub - shearwall supported by frame ", which is applied widely today. the main contents are as follows : in order to observe the failure process and the earthquake response of the complex structure, and to analysis the seismic behaviour of the structural system and structural members, a 1 / 20 cement mortor model of a complex tall - building which is about to be built was producted and the shaking table test of this model under 26 sorts of earthquake loads was made. using sap2000 finite element analysis program, a 3d analysis model was built in computer, and the elastic time - history analysis of the model was done

    本文採用理論分析和試驗研究相結合的方法,研究了目前應用較多的綜合性大廈? ?框支分區剪力墻高層商住樓的抗震性能及空間精細分析和簡化分析方法,主要內容為以下幾方面:對一擬建的復雜高層建築結,採用1 20比例的空間整體模型,進行了26種工況下的模擬地震振動臺試驗,觀察了結的破壞過程和地震反應,分析了結的抗震性能;建立了結的精細空間模型,利用sap2000n大型有限元分析程序對結進行了彈性時程分析;通過有限元分析與試驗結果的對比,對結的抗震性能和抗震能力做出綜合評價,認為該結由於轉換層上部去掉部分樓板,既可滿足建築設計的通風、採光要求,又可達到協調結轉換層上、下樓層抗側剛度的果,是一種較理想的有多道抗震防線的結型式。
  12. A new waveguide made of changing a wide wall of a rectangular waveguide to a uniform curved wall is called conformal waveguide. a kind of expression of approximate solution for domain mode of the new waveguide, including symmetric, unsymmetric arc, parabolic arch, hyperbolic arch, elliptic arch, etc., is constructed by using boundary condition of mental waveguide, variational method and boundary element method. by using the equivalence principle, an approximate calculating formula for equivalent resonant conductance of a narrow longitudinal halfwavelength slot cut in the curved wall of the unsymmetric arcrectangular waveguide is derived, and the result is shown. although this solution is approximate, it can solve the problem in designing the slotted antenna of such conformal waveguide

    把矩形波導一個寬面外突成均勻曲面成的新波導統稱為共形波導.利用金屬波導邊界條、變分法、邊界元素法造這種新波導中主模場的一種近似解表達式,包括曲面橫截線為對稱、非對稱圓弧,拋物線弧,雙曲線弧,橢圓弧.然後根據原理,推導非對稱圓弧矩形波導曲面上窄的縱向半波長縫隙的諧振電導的近似計算公式,給出計算曲線.這種解雖然是近似的,但卻能解決這類共形波導縫隙天線的工程設計
  13. It is derived the hamiltonian for the interaction of a - type three - level atom with a two - mode quantum cavity field from the general interaction hamiltonian between a multi - level atom and a multi - mode radiation field, and reduce it into an effective two - mode raman - coupled mode under large detuning condition. it is proposed a modified effective hamiltonian for the two - mode raman - coupled model. it is found the time - dependent state vectors and present validity conditions for the involved interaction hamiltonians. it is shown that in the study of the two - mode raman - coupled model it is not enough to retain only the usually used effective hamiltonian, one must also take into account the ac stark shift of the atomic levels ( at least one of the levels ). finally, it is studied the atomic dynamics in the interaction of a - type three - level atom with a two - mode quantum cavity field and in the two - mode raman - coupled model. it is found that the number of collapse - revivals, the collapse time and the revival time show new characteristics

    從多能級原子與多模光場的相互作用哈密頓量出發,導出了型三能級原子與雙模光場的相互作用哈密頓量.在大失諧條下將其化成的二能級形式雙模喇曼耦合模型.提出了該模型的一個改進型哈密頓量.該哈密頓量由兩部分成:一部為通常所謂的哈密頓量,另一部分描述原子能級的動態斯塔克移動.研究表明,在雙模喇曼耦合模型的研究中,只考慮前者是不夠的,還必須考慮後者.最後,我們研究了該系統中原子的動力學行為,發現崩塌-復甦的數目、崩塌時間和復甦時間均呈現新的特性
  14. Used to concrete seam and arbitrarily shape seam in component. in the condition of the expanding being favorable limited, attain satisfied stop - water effect and manage the concrete interstitial leaking. at the same time, it can be also used to shipping and engine etcindustrial equipment

    適用於現場澆注的混凝土施工縫和嵌入任意形狀的接縫內,在其膨脹受到良好限制的條下達到滿意的止水果,治理混凝土裂縫的漏水,同時也用於船舶、機車工業設備的防水密封。
  15. We analyzed the dependence of equivalent circuit parameters of mesfet switch on material and device structure. for modeling, we designed and fabricated six set of mesfet switches with different gate width, then measured their performance and extracted switch model parameters. mesfet switch database corresponding to the mmic product line is then established, and using the dependence of switch model parameters on gate peripheral we can attain the mesfet switch performance with any gate width through parameters scaling

    移相器電路採用gaasmesfet開關作為控制元,研究了mesfet開關電路參數與材料和器參數的關系,設計製作了不同柵寬的六組mesfet開關,並進行參數測試和模型參數提取,建立了相應于mmic工藝線的mesfet開關模型庫;根據開關模型參數隨柵寬的變化規律,可以實現任意柵寬mesfet開關的參數定標工作。
  16. The methods of modificatory lattice cross - section and equivalent circular cfst cross - section for calculating the maximum load of dumbbell cfst columns with eccentric loading were presented in this paper. the ultimate strength of 14 specimens were calculated by the two methods were close to experimental results. finally, the two methods were used to calculate the ultimate strength of arch bridge of zhengzhou yellow river highway

    對現有鋼管混凝土啞鈴形極限承載力的計算方法進行了分析,在此基礎上,提出了計算鋼管混凝土啞鈴形的偏壓極限承載力的修正的格式截面法和截面法,兩種演算法的計算結果與試驗值均吻合較好,最後用這兩種演算法計算了鄭州黃河公路二橋拱肋的極限承載力。
  17. Due to the complexity of the structure and control of cycloconverter - type three - phase hf link inverter for soft - switching based on phase - shift - controlled full - bridge mode, a simple and optimized vvvf control strategy is proposed. this control strategy includes : produced pwm by space voltage vector ( svm ) and equivalent carrier frequency fe = 1 / te are introduced into the pdm control of the cycloconverter ; softened equivalent pwm wave is generated at the notches of hf voltage pulses ; the harmonious control between regulating pulse width by phase - shifted angle and regulating voltage of equivalent pwm is to minimize the harmonics content of output voltage of the inverter

    西安理工大學博士學位論文針對這種前級移相全橋軟開關周波變流型三相高頻鏈逆變器結和控制的復雜性,提出了一種實現簡單而整體優化的vvvf控制策略:將空間電壓矢量產生p姍的方法svm和載波頻率fe = 1 / te引入到周波變流器的pdm控制;按高頻電壓脈沖前後沿軟化p翎波;用移相調節高頻脈沖寬度和p姍調壓協調控制逆變器輸出電壓,在滿足輸出電壓條下使諧波最小。
  18. The conventional variable structure control technique for uncertain system requires that the uncertainty bound is known as a premise to assure robustness. the requirement creates an over - conservative controller and enlarges chattering. the proposed controller regards the influence of unknown disturbances and parameter uncertainties as an equivalent disturbance and generates an on - line estimation used in smc to cancel the slowly varying uncertainties by the mechanism of time delay. the reaching law approach is used to get the conditions and band of quasi - sliding mode. the new methodology offers a robust feedback control with much lower gains and reduces chattering without a prior knowledge of the uncertainty bounds or matched conditions

    常規變結控制用於不確定系統,須利用不確定性界確保系統的魯棒性,控制器過于保守且抖振變大.本文把未知干擾和參數不確定性的影響為名義系統的外界干擾,利用時延技術對干擾進行在線估計,並將估計值引入到變結控制中,從而抵消掉系統中的慢變不確定性,利用離散趨近律法,推出了準滑動模態的存在條及其帶寬.該方法克服了以往控制方法中須已知不確定性界的限制,且不必滿足匹配條,用較低的控制增益保證了系統的魯棒性,降低了準滑動模態帶即削弱了抖振
  19. Abstract : the conventional variable structure control technique for uncertain system requires that the uncertainty bound is known as a premise to assure robustness. the requirement creates an over - conservative controller and enlarges chattering. the proposed controller regards the influence of unknown disturbances and parameter uncertainties as an equivalent disturbance and generates an on - line estimation used in smc to cancel the slowly varying uncertainties by the mechanism of time delay. the reaching law approach is used to get the conditions and band of quasi - sliding mode. the new methodology offers a robust feedback control with much lower gains and reduces chattering without a prior knowledge of the uncertainty bounds or matched conditions

    文摘:常規變結控制用於不確定系統,須利用不確定性界確保系統的魯棒性,控制器過于保守且抖振變大.本文把未知干擾和參數不確定性的影響為名義系統的外界干擾,利用時延技術對干擾進行在線估計,並將估計值引入到變結控制中,從而抵消掉系統中的慢變不確定性,利用離散趨近律法,推出了準滑動模態的存在條及其帶寬.該方法克服了以往控制方法中須已知不確定性界的限制,且不必滿足匹配條,用較低的控制增益保證了系統的魯棒性,降低了準滑動模態帶即削弱了抖振
  20. The corresponding control equation is given. the control equation and boundary condition about the addiontional small deformation ' s effect caused by initial stress using virtual principal theory in cylindrical reference frame. generalized stress and strain and equivalent constitutive equation are given

    第四章提出了描寫柱形薄殼中初應力的數值特徵,將應力的三維分佈轉化為二維分佈,給出相應的支配方程;在柱坐標系中,利用虛功方程建立了初應力對附加小變形影響的控制方程和邊界條;給出了廣義應力、廣義應變及關系。
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