靜撓度 的英文怎麼說

中文拼音 [jìngnáo]
靜撓度 英文
natural bow
  • : Ⅰ形容詞1. (安定不動; 平靜) still; calm; motionless 2. (沒有聲響; 清靜) silent; quiet Ⅱ名詞(姓氏) a surname
  • : 動詞1. (輕輕地抓) scratch 2. (擾亂;阻止) hinder 3. (彎曲,比喻屈服)yield;flinch:不屈不撓indomitable; unyielding
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  1. The geometric non - linearity and the coupling action of bending and torsion are comprised in the static formulation, which can describe the large deflection of the three - dimensional beams

    力學方程中既考慮了幾何非線性項,也考慮了彎扭耦合項,可以描述空間梁發生的大變形。
  2. Along with the progress of drilling technology, many new types of bha such as steering motor assembly, dropping assembly with eccentric bend sub, dropping assembly with flexible connection are developed based on common building, dropping and holding assemblies. for using these bha, a new mathematical model is put forward for 3d static analysis of these types of bha under small deflection. and its weighted residual solution is given. the mathematical model includes ( 1 ) differential equations ; ( 2 ) boundary conditions at drill bit, stabilizer, bend angle, diameter change, tangential point and borehole wall ; ( 3 ) lateral forces and deflection angles of bit. the software based upon this method runs well

    為了更好地應用各種新鉆具,建立了適用於對普通下部鉆具、導向鉆具、帶偏心彎接頭和柔性接頭的下部鉆具進行三維小力學分析的數學模型,包括( 1 )微分方程; ( 2 )鉆頭、穩定器、彎角、變截面、切點和井壁的邊界條件; ( 3 )鉆頭的側向力和鉆頭轉角.給出了該模型的加權余量解.用該方法編寫的軟體應用效果良好
  3. These experiments mainly aim at determining the deflection and stress of beam slab structure before and after reinforcement

    載試驗的內容是測定加固前後梁板結構的混凝土應力和
  4. In the course of testing, some static data, such as deflection, strain and cracks of every load step are recorded

    力試驗採用兩點對稱加載方案,分級加載,記錄試驗梁的、應變、裂縫分佈特徵。
  5. The empty - load can meet the request of our country ' s main type brakes, and that it can adapt most types freight car ' s bogies if they have a uniform static yield of bolster spring and can be modified a few parameters to meet the other bogies needs which have no uniform static yield of bolster spring. so the device has a good future in the empty - load research

    本空重車自動調整裝置能與我國現有的各型制動機(直接作用和間接作用)相匹配,對于各類轉向架只要靜撓度相同均可採用同樣的結構,對于靜撓度變化較大的轉向架該裝置可進行相應的結構調整,以保證在相應行程內的調整要求。
  6. As regards to the spheric thin shell structure under external hydro static pressure, basing on flat - plate theory and by using basic von karman equations for large deflection, the equilibrium problem of axisymmetric bending of the spheric shell under uniform external pressure is simplified to an equilibrium problem of bending of elastic basic flat - plate and further converted into an equilibrium problem of beam on elastic fundation taking into consideration of the deformation characteristics

    對球形薄殼結構隨水外壓的情況,應用平板理論中的vonkarman大基本方程,將球形薄殼在均勻外壓下的軸對稱彎曲平衡問題簡化為彈性基礎平板的彎曲平衡問題,進而再根據變形特點將其轉化為彈性基礎梁的復雜彎曲平衡問題。
  7. Method for measurement of static deflection of power presses

    機動壓力機的的測量方法
  8. 3. the mid - span deflection of slight corrosion specimens is smaller than that of non - corrosion specimens on the static loads and the fatigue loads ; the maximum crack width of slight corrosion specimens is larger than that of non - corrosion specimens ; fatigue life of slight corrosion specimens is shorter than that of non - corrosion specimens ; the corrosion of re - bars is a sensitive factor to fatigue life

    ( 3 )輕微銹蝕試件梁的跨中載和循環荷載下比未銹蝕梁小;輕微銹蝕試件梁的最大裂縫寬比未銹蝕試件梁的最大裂縫寬大;輕微銹蝕試件梁的疲勞壽命比未銹蝕試件梁的疲勞壽命降低,鋼筋銹蝕是疲勞壽命的敏感因素。
  9. Specimens ’ cracking load under dead - load, fatigue failure characteristic, fatigue life, deflection of span - centre, fatigue flexural rigidity, maximal crack width, development of cracks and strain of concrete and steel bars have been investigated. the influence of fatigue cycle characteristic, ratio of reinforcement, kinds of aggregate and concrete compressive strength on the specimens ’ fatigue behavior has been also investigated

    對試件的載下開裂荷載、疲勞破壞特徵、疲勞壽命、疲勞荷載作用下的跨中、截面疲勞抗彎剛、裂縫開展情況及最大裂縫寬、鋼筋及混凝土在循環荷載作用下應變等內容進行了研究,分析了疲勞循環特徵值、縱筋配筋率、骨料種類、混凝土抗壓強等因素對試件疲勞性能的影響。
  10. At first, development of various cracks carefully recorded and strains on both the rebars and the stirrups were measured in detail, together with the deflections of the beam. in such a way, correlation between the measured strain profiles of the reinforcement and the observed cracking development of each specimen was pursued. principal factors contributing to the cracking pattern and failure mode were figured out as a result

    首先,通過單調力加載試驗研究,對梁的裂縫延伸和開展、縱筋應變、箍筋應變、梁的等指標進行了細致的量測,試圖追蹤每一試件在裂縫發展及破壞過程中縱筋應變狀態的變化和裂縫發展程的相關性,進而總結出有腹筋約束梁裂縫開展及鋼筋應力分佈的一般規律。
  11. This paper, in allusion to damage of expansion joint of bridge, introduces a sort of new structure of jointless device - semi - integral abutment jointless bridge, and establishes model of general structure finite element of this bridge, and in details analyses its qualities of stress. the model considers the interaction of superstructure - substructure - soil. resistance of the soil behind abutment adopts still soil pressure and elastic resistance when the temperature rising, but active soil pressure when dropping. analysis of qualities stress of bridge includes of action of dead load, car load, temperature load of season character. taking an 100m length pc semi - integral abutment jointless bridge as instance, the paper establishes the model of plane frame by applying large common software - anasys, and analyses it by elastane and large deformation to imitate character of stress and deformation of general bridge. at the same time corresponding models of finite element of joint bridge and integral abutment bridge are established, and unique stress and performance of structure of semi - integral abutment jointless bridge are researched by comparing and analysing character of three different models under same loading, and controlling factor of design and constitution are generalized. in conclusion, for semi - integral abutment jointless bridge, on one hand shear, moment and deflection of the main beam and axis force of substructure are approximate with that of joint bridge, and integral stifmess of structure is increased and damage of expansion joint is eliminated, on the other hand there is axis force in main beam, shear and moment of substructure are bigger than that of joint bridge. in all this type of jointless bridge has rational stress and is worth of application and popularization

    半整體式橋臺無縫橋梁計算模型考慮了上部結構-下部結構-土的共同作用;臺後土抗力升溫時採用止土壓力加彈性土抗力,降溫時採用主動土壓力;分析橋梁受力性能時考慮了結構自重、車輛荷載和季節性溫變荷載的作用。以一座橋長100mpc半整體式橋臺無縫橋梁為實例,採用大型通用軟體ansys建立平面框架模型,進行彈性、大變形分析,模擬全橋受力和變形特點;同時建立與此對應的有伸縮縫橋梁和整體式橋臺無縫橋梁有限元模型,通過三種橋型同步加載對比分析,研究半整體式橋臺無縫橋梁獨特的受力特點和結構性能,總結其設計控制因素和構造要求。通過本文研究知:半整體式橋臺無縫橋梁主梁的剪力、彎矩、和下部結構的軸力與梁式橋相近,結構整體剛增大,併除去了伸縮縫病害;但主梁增加了軸力,下部結構剪力、彎矩較梁式橋大;綜合分析是一種受力合理有實踐和推廣價值的橋型。
  12. Spring static deflection

    彈簧靜撓度
  13. Because the different stiffness match of front and rear suspension is very influencing to the ride comfort, optimal model of ride comfort is developed, regarding the rms of driver ’ s acceleration as the objection, regarding the stiffness of front and back suspension as optimal variable, regarding quiet flexibility 、 dynamic flexibility 、 frequency and dynamic load as nonlinear constraints. by matlab program and using sqp, the optimal match of front and back suspension ’ s stiffness is achieved, this optimal model consider not only request of quiet 、 dynamic flexibility 、 frequency and damp, but also security of run and peace of road, it is closer to the fact than other models which only consider partial restriction

    由於前後懸架垂直剛的不同匹配對汽車行駛平順性影響較大,論文建立以駕駛員垂直加速的均方根值作為汽車行駛平順性優化目標值、以前後懸架垂直剛作為優化變量的優化設計模型,並輔以靜撓度、動、頻率、動載荷等非線性約束,使用序列二次規劃法,利用matlab編制優化程序,求得前後懸架垂直剛的最優匹配值;此優化模型不僅包含動靜撓度及頻率和阻尼的限制,還考慮到汽車的行駛安全性和道路友好性,比文獻報道的只考慮部分約束的優化模型更切合實際情況。
  14. In chapter 2, the mechanical bracket supporting system physical model is establish, and flexibility and reversed force are calculated, simultaneity, some technique needs are brought forward

    第二章對原機械托輥支承機構進行了物理建模及反力和分析,對后續設計工作提出了一些技術要求。
  15. The static load test was done on the frame beam strengthened by cfrp with frame joint anchored in different mode, and the hearing capacity, deflection and width of crack was surveyed

    摘要對採用不同梁端錨固方式的碳纖維布加固框架梁進行載試驗研究,在承載力、及裂縫開展等方面進行了綜合比較和分析。
  16. In - plane displacements of a typical suspension cable under the given vertical load are analyzed. the obtained numerical results are compared with the corresponding theoretical results and good agreement is found. this demonstrates the accuracy and validity of the proposed method

    在理論推導的基礎上先進行了懸索的大力分析,對一典型懸索在豎向荷載作用下的面內位移進行了實例數值計算,計算結果與解析方法得到的結果作了比較,驗證了該方法的正確性和有效性。
  17. A methematical model for 3d analysis of general bottomhole assembly under small deflection and its application

    通用下部鉆具三維小力分析的數學模型及應用
  18. Firstly mathematic model of the micro cantilever structure is established by elastic mechanics analysis, during which small - displacement and large - displacement are both discussed. also the direct current exiting voltage and alternating current exciting voltage are both discussed. then we investigate the bifurcations of the conditions which have been mentioned above

    首先基於彈性力學的方法建立了微懸臂梁的動力學模型,包括微懸臂梁為精確和近似兩種系統,以及作用電壓為直流和交流的情況,並對各種情況進行了態分叉的分析。
  19. Through discussion and comparison of some numerical results with the corresponding tested results, it demonstrates that the proposed finite volume method can accurately and effectively predict the static large - deflection deformation behavior and harmonically excited and wind - induced vibration behavior. the method is also of high computational efficiency

    通過對計算結果進行分析,並將部分結果與實測結果進行比較可以發現,本文的數值方法能夠較為準確有效地預測懸索的大態受力和變形特性,預測懸索的簡諧激振、風振等動力響應,並具有較高的計算效率。
  20. The initial strain must be the optimum value obtained by multiple - trial method. 5. in the static analysis of the bridge model under live load, assuming a shifting concentrated load on the girder, analyzing the relation map of each section deflection and the location of the concentrated load, finishing the load - on of the worst - case live load, then the moment and deflection envelope diagrams of the girder were obtained

    成橋模型建立后,在後續活載作用下的力分析必須首先在主樑上作用移動集中荷載,分析主梁各斷面的活載與集中荷載作用位置關系曲線圖,完成最不利活載的加載,從而最後得到懸索橋主梁的彎矩包絡圖及包絡圖。
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