有限應變軸 的英文怎麼說

中文拼音 [yǒuxiànyīngbiànzhóu]
有限應變軸 英文
finite strain axis
  • : 有副詞[書面語] (表示整數之外再加零數): 30 有 5 thirty-five; 10 有 5年 fifteen years
  • : Ⅰ名詞(指定的范圍; 限度) limit; bounds Ⅱ動詞(指定范圍, 不許超過) set a limit; limit; restrict
  • : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
  • : 軸Ⅰ名詞1. (圓柱形的零件) axle; shaft 2. (對稱部分的直線) axis 3. (圓柱形的纏繞器物) roller; spool Ⅱ量詞(用於纏在軸上的線以及裝裱帶軸子的字畫)
  • 有限 : limited; restricted; finite; a little; not much
  1. In view of bearing capacity of the elastoplastic theory analysis, the author made a comparison between the achieved bearing capacity limit load pi / 4 of round base ( space problem ) and the limit load pi / 4 of bar groundwork foundation design ( plane problem ) from soil mechanics at home and abroad as well as foundation criterion, and explained why the value of formula in present design criterion from soil mechanics is inclined to be conservative. in the light of the author ' s many years experience of vibration test on the spot and the research work of relevant projects, the author worked over the dynamic pile testing of the bearing capacity of foundation and batholith, and gathered the parameter of dynamic analysis and testing. the author also talked over the difficult point of pile foundation design criteria in present batholith engineering world, i. e. the confirmation of batholith bearing capacity of pile end, from the following aspects : a ) confirmation of single axis counter - pressure strength of rock in house ; b ) f. e. m calculation of elastoplastic model ; c ) calculation of soil mechanics ; d ) deep well load test

    然後,對巖土工程領域至今尚未解決,甚至不為人注意的考慮地基形的地基承載力問題進行了實用化的探討,提出了考慮地基形的地基承載力上程計算方法;對基於彈塑性理論分析的地基承載力國內尚未見報道的空間問題得到了圓形基礎(空間問題)的承載力界荷載p _ ( 1 / 4 ) ,並與國內外土力學專著及地基基礎設計規范中的條形基礎(平面問題)的界荷載p _ ( 1 / 4 ) ,進行了對比,從而定量上解釋了目前設計規范引用土力學承載力公式值偏於保守的這一情況;根據本文作者多年從事現場地基工程振動試驗及相關課題的研究工作,本文以截頭錐模型模擬地基,對地基(巖基)承載力的動測法進行了研究,為各類地基(包括巖基) ,匯總了動力分析和檢測川的參數:針對日前巖土工程界用樁基設計規范中的難點? ?樁端巖基承載力的確定問題,從巖石室內單抗壓強度確定、基於彈塑性模型的單元法計算、土力學計算及深斤載荷試驗四方面進行了深入討論;本文作者根據多年現場載荷試驗的工程實踐,對深井荷試驗裝置的核心部分? ?反力裝置,設計了側壁支撐反力加載系統,該加載系統具實用、簡便、穩定及安個等優點。
  2. On this foundation the article inducts in detail the method which is based on the relative settlement of calculating unit area end support ( qb ) force at the same time considering the feature of pedestal pile ' s " arch effect " the article introduces conception of pile effective length and finally obtain t he formula of calculating man - made pipe with bulb - shaped axial carrying capacity. the article uses marc program to calculate and analyze foundation soil ' s stress and displacement and gets the change curve chart and the proportion that is shared by king - pipe side soil friction resistance and pipe end counterforce respectively. the article inducts the structure of pedestal in detail on the basis of generalizing pedestal application cases of many countries

    在此基礎上論文詳細歸納了以相對沉降為依據確定單位面積端承力q _ b的計算方法,並考慮擴底樁的「拱效」特點引入了效樁長的概念,最後結合公路規范推出了比較實用的人工挖孔擴底樁向承載力計算公式。論文運用了marc程序對地基土的力和位移進行了元數值計算分析,得到了地基土的力和位移場的化曲線和在加載過程中樁側土摩阻力和樁端反力各自所承擔的比例;本文還在總結各國挖孔擴底樁用情況的基礎上就擴底樁的構造進行了詳細的歸納。
  3. This paper simply introduces the device of on - line monitoring for the thrust of the rotating maching, then discu ed the finite dement analyses on the on - line monitoring elastic dement for measuring thrust in detail, in order to develop the performance of the se or and the device, we calculated the distribution of the stre 、 strain 、 axial di lacement in the elastic element using the finite element method when the axial forces f = 3 104n, the result is very satisfied

    簡單介紹大型旋轉機組向力在線監控裝置,然後詳細介紹向力測力彈性元件的元分析,為了提高所研製的測力傳感器的性能,採用元方法計算了彈性元件在向力f = 3 104n時的力、靈敏度及位移等的分佈情況,分析結果表明:所設計的測力傳感器完全符合廠方的要求及儀表性能指標。
  4. ( 3 ) by choosing core faultage of axial site in luohu fracture zone i. e. geological cross section in huangbeiling faultage f8 as geological model and utilizing finite element numerical method, change tendency of huangbeiling faultage f8 under self - weight stress and building loads is stimulated. and long - term development trend of fracture zone is also predicted, which has an important guiding meaning for works of geological disaster prevention in district of luohu jiancheng

    ( 3 )選取羅湖斷裂帶部的核心斷層?黃貝嶺f8斷層地質剖面作為地質模型,利用元數值方法模擬了黃貝嶺f8斷層在自重力和建築物荷載共同作用下的化趨勢,預計出斷層帶的長期發展趨勢,這對羅湖建成區的地質災害防止工作重要的指導意義。
  5. In the former, two computing modes of fem are built, aimed at the coupling of variable - profile pylon, curved - axis arch and flexible cable. the software algor feas is used to get the results of dynamic numerical analysis, such as natural vibration frequency, vibration mode, dynamic displacement, dynamic stress, which are compared with the results of shaking table test research to draw to important conclusions. these conclusions provide not only potent basis for the design and construction of nanjing century tower, but also reference for other pylon - cable - arch structures similar to the project

    在動態數值分析中,針對世紀塔截面的塔身,曲線線的拱以及柔性拉索相互耦合時清況,建立兩種元計算模式,利用元軟體algorfeas得到動力數值分析的結果,如:自振頻率、振型、動位移、動力等等,再和振動臺試驗研究成果作比較,得到一些重要的結論,從而為南京世紀塔工程的設計和施工提供強力的依據,而且為類以於世紀塔工程的其它塔-索-拱結構的設計也提供一定的參考。
  6. Here, fem is applied in the analyses of i ) fiber axial stress and interphase shear stress in fragmentation tests during initially applied strain, ii ) influence of temperature on the stress transfer across the interface, iii ) modulus and thickness of the interphase and their influence on interfacial stress transfer, iv ) interfacial debonding process, and v ) fragment aspect ratio, contact friction along the interface and their influences to the interfacial stress transfer efficiency

    在論文的這部分工作中,使用元法描述和分析了逐節斷裂試驗中初始下的纖維力和界面相剪切力,溫度對界面力傳遞的影響,界面相模量和厚度、纖維節長寬比、界面脫粘過程、界面接觸中的摩擦效等因素對逐節斷裂試驗中力傳遞的影響。
  7. Non - linear finite element analysis of rubber layer bonded between two rigid spheres has been performed for rubber ’ s characteristic of large deflection and nearly incompressibility. the relationships between stiffness and deformation have been gained when large tensile deformations are imposed. the effects of different poisson ’ s ratios of rubber matericals on the stiffness and stresses of rubber layer have

    針對橡膠的大形及接近不可壓縮的特點,對工程中常用的橡膠-剛球支座進行非線性元分析,了解了支座的剛度和力的化情況以及泊松比對兩者的影響,得出的支座受向拉伸時的剛度與形關系。
  8. Abstract : reviewed are five methods for the analysis of the penetration of jacked - in piles, namely, cavity expansion method, strain path method finite element method, slip line method and calibration model test. after analysis, it is pointed out that it is more rational to adopt sub - statical spatial axisy numerical formulas based on traditional plane - strain cavity expansion method in the analysis. after spatial closed - form solutions are obtained for soil movements, stresses and initial excessive pore pressures generated durihy pile penetration are found out. it is suggested that finite element analysis together with centrifugal model test be used in verifying the results

    文摘:在分析飽和粘土中靜壓樁的貫入機理的基礎上,對靜壓樁沉樁分析的圓孔擴張理論、路徑法、元分析、滑移線理論和模型槽試驗等五種方法逐一進行評述,並提出在傳統的平面圓孔擴張理論基礎上加以改進,採用準靜態空間對稱方程組對靜壓樁貫入過程進行模擬,從而得出土體位移、力、初始超孔壓的空間解析解,同時採用元分析、模型槽試驗相互印證的研究方法
  9. In this paper, the high - temperature low - cycle fatigue life and fatigue crack propagation life tests are carried on the cylindrical axial symmetry specimens having precrack or non - precrack with different types of notches of 16mnr steel in common use in the petrochemical industry contacting coke drum equipment, the stress / strain and the range of stress / strain of dangerous points are received through stress analysis of the specimens using finite element program under multi - axial stress state. at last, the equations of evaluating the high - temperature low - cycle fatigue life and the fatigue crack propagation life are found through using the least - square regression method

    本文採用無預裂紋和帶預裂紋環狀缺口圓柱形試樣,進行了石化焦炭塔設備常用材料16mnr多維力狀態下不同缺口形式的高溫低周疲勞總壽命試驗及裂紋擴展壽命試驗,並利用元程序對試樣缺口周圍及裂紋尖端附近進行了對稱多維力狀態下的力、場分析,來評價材料不同條件下的高溫低周疲勞總壽命和裂紋擴展壽命,最後利用最小二乘回歸方法,得到了該材料高溫低周疲勞總壽命和裂紋擴展壽命評價方程。
  10. The same type of cement - soil mixing pile with concrete core, concrete pile and cement - soil pile that means they have the same pile length and pile diameter is deeply analyzed by finite element program. we get the q - s curve, the axis force of pile body curve, the stress of pile curve and the side and the end sharing load ratio of the pile curve by finite element program. with the help of the finite element program, the paper finds the relations between the pile ' s parameter and its bearing capacity and load transferring properties

    利用元計算分析了同比(樁長相同、樁徑相同)水泥土組合樁、水泥土攪拌樁和混凝土鉆孔灌注樁,得到了它們的荷載沉降曲線、樁身力曲線、樁身力曲線、樁側樁端分擔荷載曲線等,通過這些曲線對它們的荷載傳遞規律以及形特性進行了深入的分析。
  11. The finite element model and result are given. the influence on displacement of different finite element model ' s lateral boundary and the cavities " radius and the variety of dynamic stress concentration at different ratio of long - axis divided to short - axis and material are discussed

    給出了元模型和計算結果,討論了元橫向邊界不同和孔徑大小不同的情況下對位移的影響,還討論了不同長短比和不同材料情況下動力集中系數的化。
  12. Finite difference time - domain method is used to calculate the reflection for these probes and absorbing boundary condition is used to deal with the singularity in the axis of the coaxial - line in the simulation. by comparing the reflection of different probes, the best probe has been selected according to sensitive requirement. the influence of parameters : such as thickness of protective film, length of protruding inner conductor of the coaxial - line probe to the measurement has been studied

    通過時域差分法進行數值模擬分析,並採用吸收邊界處理同心奇異點,計算出各種探頭測量相同溶液的反射系數,根據其測量的靈敏度,選出最優設計;並通過分析所選探頭的各種設計參數,如薄膜厚度、內導體伸出長度等的化對測量結果的影響,找出該探頭各參數的最佳范圍,使其具高度靈敏性,以適用於測量化學反溶液的介電常數。
  13. In the paper, static and dynamic triaxial tests were conducted on fiy ash at shanmenxia longgou ash dam, and the static and dynamic parameters of fly ash were obtained. thirdly the 2 dimensions static analysis of the ash dam was conducted based on biot ' s consolidation theory and duncan ' s nonlinear stress - strain model. finally the plane dynamic behaviors of the ash dam during earthquake of intensity 7 were analyzed based on the exponent function model of excess pore water pressure aroused by earthquake, which is put forward in the paper, and equivalent visco - elastic dynamic fem model and principle of effective stress

    本文結合實際工程,對三門峽火電廠龍溝灰壩的築壩粉煤灰進行了靜、動三試驗,確定了該壩粉煤灰的靜動力學指標;然後根據比奧( biot )固結力原理,採用鄧肯( duncan )非線性模型,對該灰壩的二維靜力力和形狀態進行了分析;最後利用本文提出的地震超靜孔壓指數函數模型,採用等價粘彈性動力元方法,對該灰壩在地震作用下的動力穩定性進行了分析評述。
  14. The effects of elastic module and poisson ratio on the singular stress fields in dissimilar materials are studied in this paper. for many dissimilar materials are used under temperature loadings, the effects of materials " constants on the singular stress fields are also discussed

    本文主要利用元來討論平面和空間對稱結合材料奇異力場隨材料常數化規律,以及探討了在溫度載荷下的結合材料奇異力場隨彈性常數化的情況。
  15. 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靜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、大形分析,模擬全橋受力和形特點;同時建立與此對伸縮縫橋梁和整體式橋臺無縫橋梁元模型,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、撓度和下部結構的力與梁式橋相近,結構整體剛度增大,併除去了伸縮縫病害;但主梁增加了力,下部結構剪力、彎矩較梁式橋大;綜合分析是一種受力合理實踐和推廣價值的橋型。
  16. Author thinks that the direction of the maximum plastic distortion along a constant radius around the crack tip may be considered as the direction of shear - mode fracture ( named pmax - criterion ) and the load when located shear band prongs the ligament in the front of crack tip is regarded as the limited load of shear - mode fracture. ( 3 ) the fad ( fracture assessment diagram ) of titled crack is proposed based on achievements of mesomechanics about i - ii complex ductile fracture of metal, and the titled crack is classified two kinds : void - mode fracture is assessed by fracture assessment curve, and shear - mode fracture by limited load. ( 4 ) using a fe program based on plantle - ressue theory to calculate some mesomechanical parameters, a flange joint structure of a high pressure vessel ( design pressure 31. 4mpa and the thickness of the hemispherical head is half of that of shell. ) is analyzed to determine whether the structure under operation pressure is safe or not, forecast the mode of potential invalidation and argue for the rationality of design of the structure

    試件的整體斷裂為剪切型,但在試件芯部裂尖鈍化區中部出現了韌窩型啟裂並一定的擴展,說明局部較高的力三度也會使韌窩型機制得以發展,但是不改試件整體的剪切型斷裂模式;對韌性斷裂的剪切模式的細觀機理做了一定的探討,並且提出了含裂紋構件剪切型斷裂的宏觀判據:認為裂紋前方的集中剪切帶中與裂紋尖端等半徑處最大效塑性出現的方向可以作為裂紋剪切斷裂的方向(可簡稱為_ ( pmax )準則) ,集中剪切滑移帶貫穿裂紋前方承載韌帶時的載荷可以作為極載荷;本文運用金屬韌性斷裂細觀力學在一復合型韌性斷裂方面的研究成果,採用失效評定圖的形式,提出了傾斜裂紋的安全性評定方法的基本框架。
  17. All the results of axial and radial deformation measurement by digital image processing technique and those by traditional method are compared. the differences of the soil parameters on duncan and chang ' s nonlinear model made by these two methods are analyzed. finally, a compress test results and fem results are provided to show the reasonability and veracity of digital image processing technique to study the soil stress - strain characteristic in triaxial test

    ( 2 )三試驗土樣局部形研究:首先定量比較了三試樣沿高度方向不同位置的局部形(局部徑向形與局部形)大小,分析了三試樣局部形的特點和影響因素;然後把三試樣數字圖像測量結果與傳統測量結果進行比較,以鄧肯張非線性模型為例進行了模型參數的整理,分析了兩種不問測量方法引起的參數差異:最後用原型壓縮試驗對比元數值計算結果,驗證了數字圖像測量方法得到的三試驗土體參數的合理性和準確性。
  18. Based on the modal analysis data of the displacement of the spatial grid structure getting by the structural finite element analysis software ansys, the modal analysis technology of the axial member straining rate is used to identify the damage of the spatial grid steel structure in different damaged conditions and is found to be able to accurately position the damaged places of the spatial grid member

    文中通過結構元分析軟體ansys得到網架結構位移模態分析數據,採用桿件化率的模態分析技術針對不同損傷狀況的鋼結構網架進行損傷識別,能夠較為準確地診斷出網架桿件的損傷位置。
  19. Observing the mechanics and effect of the new strengthening method with test and finite element method is supposed to offer a guide for technology and become valuable in theory and practice. both compression test, including four reinforced and three control specimens, and shear - compression test, including nineteen reinforced and four control specimens are being studied in this paper. the research on the curves of load - strain, load - deflection and hysteretic shows that the transverse translation of the reinforced columns is well controlled with an upgrading of both ductility and ultimate bearing capacity ( ubc )

    本文對4根鋼絲網外噴高強砂漿加固鋼筋混凝土柱和3根對比鋼筋混凝土柱進行了壓試驗研究,並對19根加固鋼筋混凝土柱和4根對比鋼筋混凝土柱進行了剪壓試驗研究;通過對試件荷載-曲線、荷載-撓度曲線和滯回曲線等的研究表明,採用該加固方法能效的約束柱子橫向形,並對提高鋼筋混凝土柱的極承載力和延性明顯的效果;同時根據理論及加固機理分析提出了適於此加固方法的壓極承載力計算公式。
  20. Under the horizontal earthquake action and wind force, aim at " the pure frame structure with rectangle columns ", " the pure frame structure with special - shaped columns ", " the frame - truss structure with special - shaped columns " and " frame - shear wall structure with special - shaped columns ", earthquake action analysis was done by the spacial finite element method through the changes structural parameter. analyzing systematically " structure vibration mode ", " vibration period ", " structure lateral rigidity ", " seismic action force ", " seismic response force ", " floor seismic shear force ", " lateral horizontal displacement of structure " and " members internal force ". results indicate : ( 1 ) based on equal area, the special - shaped columns replaced the rectangle columns, the structural lateral rigidity enlarges, the lateral displacement minishes obviously, the earthquake response increase slightly, the biggest increasing amount of frame columns axis - compress ratio is smaller than 0. 08. the whole aseismic performance of structure has improved ; ( 2 ) when the section ' s length and section ' s thickness ratio of special - shaped columns is smaller than 3. 6, the structure benefits to resist seismic action ; ( 3 ) the angle of horizontal seismic action with the whole coordinate is 0 degree, structure earthquake response is bigger, belonging to a control factor of structure aseismic design ; ( 4 ) the frame - truss structure with special - shaped columns and the " a " - brace has the biggest lateral rigidity ; ( 5 ) the frame - shear wall structure with special - shaped columns have bigger lateral rigidity and smaller displacement, members internal force enlarged just rightly, have much superiority of resisting seismic action ; ( 6 ) in the higher seismic fortification criterion region ( 8 degree of seismic fortification intensity ), aseismic disadvantageous building site ( iii type site ), adopting special - shaped columns structure system, should reduce possibly the building ' s self - weight in order to reduce the earthquake response ; ( 7 ) the response spectrum method of computing seismic response and the time - history analysis method have similar analysis result

    西安理工大學碩士學位論文在水平地震作用下,並考慮風荷載組合,分別對「矩形柱純框架結構」 、 「異型柱純框架結構」 、 「異型柱框一析架結構」及「異型柱框-剪結構」等四種結構體系,通過改結構參數,運用空間元方法,進行地震作用計算。系統地分析研究「結構振型」 、 「振動周期」 、 「結構側向剛度」 、 「結構地震反力」 、 「樓層地震剪力」 、 「結構側向位移」 、 「層間位移角」 ,以及「構件內力」 。結果表明:在等面積原則下,異型柱代換矩形柱后,結構剛度增大,側向位移明顯減小,地震反力略增加,框架柱壓比最大增幅小於8 % ,結構整體抗震性能所提高;當異型柱肢長肢厚比小於等於3 . 6時,結構利於抗震;水平地震作用力與整體坐標夾角為0度時,結構地震作用效較大,屬結構設計的控制因素之一;異型柱框一析架結構採用「人」字斜撐,側向剛度大於「八」字斜撐和「人一八」字混合斜撐;異型柱框一剪結構側向剛度大、位移小,構件內力增大適中,是一種抗震性能優越的結構體系:在抗震設防烈度較高地區( 8度)和抗震不利的建築場地( m類場地) ,採用異型柱結構體系時,盡可能減輕結構自重,降低地震作用力;分別採用「振型分解反譜」法和「時程分析」法進行地震作用計算,兩種方法所得結果基本一致。
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