移位理論 的英文怎麼說
中文拼音 [yíwèilǐlún]
移位理論
英文
displacement theory- 移 : Ⅰ動詞1. (移動) move; remove; shift 2. (改變; 變動) change; alter Ⅱ名詞(姓氏) a surname
- 位 : Ⅰ名詞1 (所在或所佔的地方) place; location 2 (職位; 地位) position; post; status 3 (特指皇帝...
- 理 : Ⅰ名詞1 (物質組織的條紋) texture; grain (in wood skin etc ) 2 (道理;事理) reason; logic; tru...
- 論 : 論名詞(記錄孔子及其門徒的言行的「論語」) the analects of confucius
- 移位 : bit shift
- 理論 : theory
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Fist of all, on the basis of the research of agone boffins, this author investigates the interaction mechanism of bolts and rock, and introduces the elastic ? lastic analytical resolution which is consist of the liner structure, the equivalent reinforced wall rock and the original wall rock in the simple loading from the equivalent well - proportioned view ; this solution is very important meaning for the engineering design. on the basis of coulomb friction model, the author introduces the finite element equation of the contact problem in order to provide the academic foundation for the application of msc. marc. finally, combining the engineering practice of the non - linear analysis of shield tunnel through yellow river of the south - north water transfer and using the model of friction, the author researched the evolution law of stress and displacement field in the structure of grouted rock bolts, and analyzed the effect to the stress and deformation of surrounding rock mass due to anchor supports
首先,在前人研究成果的基礎上,對錨桿與圍巖的相互作用機理進行研究,利用全長錨固錨桿的中性點理論,從等效均化的角度來考慮錨桿對圍巖的加固作用,並推導了在簡單荷載作用下,含有襯砌、等效加固后的圍巖、原始圍巖三者的彈塑性解析解,對工程設計有著重要的參考意義;在數值模擬方面,以考慮錨固圍巖滿足規則化庫侖摩擦模型為基礎,利用虛功原理推導了接觸問題的有限元方程的計算格式,為開發運用大型商用有限元軟體msc . marc提供了理論根據,也形成了本文的理論基礎:最後,論文以南水北調東線穿黃隧洞穩定性分析項目為工程實例,利用本文所述的接觸問題的摩擦模型理論,對錨桿支護結構的應力場、位移場的變化規律進行了研究,分析了加錨支護對隧洞圍巖應力、變形的影響。Establishing an human spine dynamic model is an significan event to study spine injured biomechanics of pilot " s ejective injury, parachute opening, landing and study the endurance to impact loading on human spine. in this paper, the huston " s method of kane " s equations is developed so that it can be applied to the multibodysystem including translation between the bodyies. the dynamic model of human spine is provided basing on these theories, while the big movement of spine is considered. the deformation of vetebra is far smaller comparing with the intervetebra disc, so the spine is considered into multibodysystem including rigid bodies ( vetebra ) and the flexible bodies ( intervetebra disc ). the computer solution correspond with the results of the large scale human impact test. the rigid coefficient factors and the damping factor of intervetebra joints are obtained
人體脊柱動力學模型的建立對研究飛行員彈射救生、傘兵跳傘開傘、著陸等脊柱損傷的生物力學以及研究人體脊柱耐受沖擊載荷的極限問題都具有重要意義.首先發展了凱恩方程的休斯頓方法,使其可應用於變形體連接的多體系統,並以此理論為依據建立人體整椎脊柱沖擊動力學模型,此時考慮脊柱的大位移運動,每個椎骨的變形相對椎間盤的變形小得多,把脊柱看成由剛體(椎骨)和變形體(椎間盤)組成的多體系統.並以大型真人坐姿沖擊實驗結果進行了擬合,最後得到腰椎間關節剛度系數因子和阻尼系數因子First, the generalized elastic theory is employed into in single pile analysis. the degeneration solution is accordant with poulos " results. analyzing the load - displacement behavior of the battered pile, the results agree well with meyerhof ' s model experiments and zhanglm ' s centrifuge experiments
對于直樁,退化為彈性理論的計算結果同poulos的結果一致,退化為荷載傳遞法與他人的結果基本吻合;然後研究了斜樁的荷載-變形特性,把公式用於計算meyerhof的模型試驗以及zhanglm的離心機試驗的荷載-位移關系,發現同試驗結果吻合較好。The absorption characteristics was that the surface plasma absorption peak appeared around 570 nm shifted to a short wavelength and strengthened as the cu composition increased. but the maximal shift range of the absorption - edge preponderated over 500 nm, and leaded that the dipolar plasma resonance absorption peak were covered up and gradually disappeared in the absorption spectrum. we theoretically explained the mechanism of the modulating action
實驗觀察到cu表面等離子體共振吸收峰位在570lun附近的吸收邊頻移量超過了500nln .理論分析表明,吸收峰位的移動主要源於偶極共振,而峰形的寬化主要由納米粒子的表面效應和量子尺寸效應引起Aberration of electronic lens made by electron gun and aberration of magnetic deflection system made by dy are comprehensively investigated, so is the shadow mask ' s effect on electron beam landing screen error. the conclusion can be get that, because the distribution of electron beam landing screen ( distribution of luminance ) is affected by many kinds of factors, it cannot get the correct function by calculation, and should be get by measurement instead
全面分析了cpt電子槍發射系統形成的電子透鏡像差與磁偏轉系統形成的偏轉像差;分析了蔭罩的自身厚度與位移對電子束著屏的影響,並由此得出結論,著屏電子束分佈(即亮度分佈)受著許多因素的影響,理論分析是半定量的,著屏電子束分佈需要用精確的測量儀器來測量。The content of this thesis, through the deformation destruction process of th e typical nanlidu landslide along the national highway 318, uses the finite unit a nalysis of computation, revealing the elastic, plastic stress and displacement of each joint inside the slide area pointing out the distribution range of the tension stress and the plastic deformation range, computering the stability safety factor of the slide area, gaining the fixed quantity, quota that evaluates the stability of the slide area, revealing the position of the slide area which is most likely to los e its stability, thus, it can provide theoretic proof for the programs which renova te landslides
本文的研究內容是通過318國道南里渡典型滑坡的變形破壞過程,採用有限元計算分析,揭示滑體內部每個節點上的彈、塑性應力及位移,找出拉應力分佈區和塑性變形區,計算滑體穩定安全系數,得出衡量滑體穩定的定量指標,揭示滑體最可能失穩的部位,從而為滑坡整治方案提供理論依據。Based on the error theory of point measurement are the identifying of the error range set, sketch of the error ellipse, analysis on displacement of the monitoring sites and error detection, providing a fundamental theory infrastructure for dynamic assessment of surface displacement and gray prediction
根據點位測量的誤差理論,確定定誤差值域范圍,繪出誤差橢圓;對各監測點進行位移與誤差判別分析,為地表位移動態分析和灰色預測提供理論基礎。Based on the principle of dspi, a kind of visual system was designed in this dissertation. which can be used in testing the off - surface displacement and deformation of the rough surface. at the same time, a multi - purpose optical metering system which contains this visual system was created and manufactured
基於dspi原理,論文吸收統計分析思想,相對完善了該技術的實用技術體系,設計了一種dspi應用光路,該光路可用於粗糙表面離面位移和形變檢測,並依託此光路設計了一套多功能激光光電實驗系統。The probe ' s linearity, temperature and dynamic characteristics are analyzed base on principal theory of eddy - current displacement sensor, such as the influence of the coil q value to the linearity characteristic, influence of the diameter of coil to the linearity characteristic, influence of coil resistance to the temperature characteristic, influence of the measuring coil to the syntony loop
在介紹渦流位移傳感器的基本理論的基礎上,分析了傳感器探頭線性特性、溫度特性、動態特性的影響因素。從探頭線圈q值對線性特性的影響;探頭直徑對線性的影響;探頭線圈電阻對溫度特性的影響;激勵信號溫度特性的影響:檢測線圈?振迴路動態響應特性等方面分析並提出製作高質量傳感器探頭的改進措施。Besides, this paper adopts the random finite element method, uses geometric and physical mechanical parameters that are relevant to lining weight of surrounding rock, coefficient of lateral pressure, height or buried depth of vertical loading, elastic resistance coefficients of surrounding rock, elastic modulus of support structure, unit weight of concrete, thickness of the structure as well as torsional strength and compression strength of concrete and etc., as random variables, applies the monte - carlo method to sampling by computer, preliminarily evaluates the reliability of bearing capacity and stability of molded concrete lining of the xuefeng mountain tunnel, and obtains the related displacement of the lining, mean value and variance of internal force, and computed the reliability index of lining structures
此外,本文採用隨機有限元方法,將圍巖容重、側壓力系數、垂直荷載高度或埋深、圍巖的彈性抗力系數、支護結構的彈性模量、混凝土容重、結構的厚度以及混凝土的抗扭與抗壓強度等與襯砌結構有關的幾何與物理力學參數作為隨機變量,應用蒙特卡洛理論進行計算機隨機取樣,對雪峰山隧道模注混凝土襯砌的承載力與穩定性的可靠度進行了初步評估,得出了襯砌的相關位移與內力的均值和方差,並計算出了相應的襯砌結構可靠指標。According to the moving characteristics of tracklayer, when the vehicle is on ramp and the ground ' s vertical pressure is linear, the calculating formulas of relationship between the deviation of the instantaneous steering center, the position of vehicle ' s gravity, steering radius, moving velocity, moving acceleration, and vehicle ' s orientation, were obtained by the theory and method of vector analysis in mathematics and mechanics
摘要根據履帶式車輛的運動特點,運用數力學中矢量分析理論和方法,推導了接地比壓為線性分佈時履帶式車輛在斜坡上轉向時,瞬時轉向中心偏移量與車輛重心位置、轉向半徑、行進速度、加速度、車輛方位相互關系的計算公式。Secondly, in phase unwrapping to overcome the spread of wrong point, changing the patch of unwrapping phase is done to improve the correctness of it. then, the relation between the unwrapping phase and the height of reconstructed object is discussed detailedly. the data processing, algorithm analysis and reconstructing object are done for the collecting fringe image which are all based on matlab language, in all these achievements, the improvement and innovation aspect are following : a ) in order to stabilize the interference fringe, a new equivalent shifting object method is presented by using fringe stabilizing device to stabilize the interference fringe though moving object and ccd camera which fixed on a precise moving platform together, the experimental result shows the fringe drift is less than a / 20 in five minutes, and the equivalent phase shifting precision is x / 100
論文在全面闡述了光學三維輪廓位相測量術的發展、應用現狀、研究熱點及未來發展趨勢的基礎上,簡要介紹了傅立葉變換和相移位相輪廓測量術的基本原理,對兩種測量方法存在的問題及誤差進行詳細分析和比較;針對位相解包裹錯誤點的傳播問題,作者通過改變解包裹路徑來提高位相解包裹的正確性;分析討論從解包裹位相( x , y )到再現物體的高度h ( x , y )物理量之間的關系,研究相應的演算法,利用matlab平臺,對實際採集的條紋圖像進行處理和輪廓重構,其中改進及創新工作主要表現在以下兩個方面: ( a )針對干涉型結構光場干涉條紋出現的漂移抖動對相移的影響,提出了一種用條紋穩定器穩定干涉條紋,用精密移動平臺使物體和ccd攝像頭同步移動實現等效相移的方法,建立了相應的測量系統,系統的條紋穩定可以達到。In view of the engineering practice that retaining wall in the front edge of landslide is only deformed but not destructed completely as a result of the slide of slope, this paper presents a back calculation method of landslide shear strength index considering the residual resistance of retaining wall occurring topple, translation and shear deformation
摘要針對滑坡的滑動僅使其前緣的擋墻發生位移或變形,但未使之完全破壞的工程實踐,系統提出了滑坡前緣的擋墻在發生傾覆、前移和剪切三種變形下,考慮擋墻變形后對滑坡的剩餘抗滑作用進行滑帶土抗剪強度指標反算的理論和方法。According to the character of suspension bridge, firstly the theory of construction control calculation of suspension bridge is analyzed and a new calculative method which is the analytical numerical theory and limited displacement theory is put forward
針對懸索橋結構的受力與變形特點,首先,分析了懸索橋施工控制原理,提出了懸索橋施工控制分析計算軟體設計的新思路,即綜合採用懸索橋解析理論和有限位移理論的計算方法。Combining with the research task researching on the deformation and stability of deep excavated cuts and high filled embankment of the traffic department in fujian province, based on the residual soil slope project on the project site at k15 + 183 of yong - zhang highway ( yong ' an section ), adopting non - linear theory, modern monitoring technology and numerical simulation technology, the deformation and stability of cutting cliff debris and residual soil slopes have been studied systemically and synthetically in the thesis. at the same time theory analysis, the analysis and estimate of field monitoring are taken into account in this course. main research work and working achievement are summed up as follows : ( 1 ) with the acquaintance of the trends and development about the deformation and stability of slopes at home and abroad, slopes are classified and summarized systemically
並通過k15 + 183工點路塹土質邊坡的各類位移變形的監測成果驗證了該程序的正確性及適用性; ( 5 )通過應用大型有限元軟體ansys模擬分析,不僅分析了其隨著開挖時間步的應力應變關系,並模擬了與實際測斜管相匹配的測斜路徑,通過對各開挖時間步的模擬計算分析,得到了與實測數據較符合的結果; ( 6 )綜合監測分析成果和極限平衡理論計算分析成果,對k15 + 183工點路塹邊坡的原設計坡率和幾何形態進行了優化計算分析,取得了較為滿意的結果。Based on the doppler effect and pulse coherence technique, synthetic aperture radar ( sar ) breaks through the azimuth resolution limitation imposed by real aperture antenna. in combination with the pulse compression technique, two - dimensional high resolution imagery to distant targets can be realized
合成孔徑雷達( sar )利用以多普勒頻移理論和脈沖相參為基礎的合成孔徑技術,突破了實孔徑天線對方位向分辨力的限制,與脈沖壓縮技術相結合,實現了遠距離目標的二維高分辨成像。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、應變路徑法、有限元分析、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,採用準靜態空間軸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、應力、初始超孔壓的空間解析解,同時採用有限元分析、模型槽試驗相互印證的研究方法Secondly, three migration methods including kirchhoff integral, 15 ? finite difference and wave equation phase displacement are discussed with the steps of performing on computer
( 2 )論文完成了對克希霍夫偏移、有限差分偏移和相位移偏移的理論和方法實現的研究。The chapter is set as the base for the aim and content of the dissertation. in chapter two, the author focuses on related theory basis which support the transnational regional development of border areas. 1 ) the author analyzes the classical theory, such as location theory, regional labor division theory, gradient development theory, system theory, synergy theory, and
首先對區位理論、區域分工理論、梯度推移理論、系統理論、協同理論等經典理論依據及其在論文研究中的應用進行分析;其次,結合邊境區位的特點與已有研究成果的基礎,研究提出「邊境區位價值」的理論概念,並闡述邊境區位價值的內涵與構成,論述邊境區位價值的影響因素及其動態變化機理;最後,論述了跨國區域合作開發的基本條件與障礙因素、主要特徵與基本原則。At first, the author clearly defines intension of urbanization. then the author constructs the theory supporting of the thesis from six respects, including curve of s form of urbanization, location theory, structure theory, migration theory and polarization theory
論文首先明確了城鎮化和農村城鎮化的內涵,然後從城鎮化發展的s型曲線以及區位理論、結構理論、人口遷移理論、極化理論幾個方面構建全篇的理論支撐點。分享友人