柱面解理 的英文怎麼說
中文拼音 [zhùmiànjiělǐ]
柱面解理
英文
prismatic cleavage-
The calculations of inviscid flows around cylinder are taken as numerical examples which show good agreement with analytical solutions. 2
利用euler程序計算並得到了二維圓柱表面的壓力分佈，結果與理論解一致。Modeling : this thesis develops a method different from traditional techniques that begins with the cylindrical projection of a generic model and its seamless global texture map using multiresolution technique, and then automatically fit the unwrapped cylindrical projected mesh to the texture map with an improved algorithm that based on 2d morphing to specify corresponding feature points ( or lines ). finally, we propose a formula of inverse cylindrical projection to recompose the deformed mesh, and after the texture mapping a photo - realistic individual facial model is created
採用多解析度技術構造紋理無縫拼接圖，然後把三維網格模型投影到圓柱面上並展開，根據二維圖象變形技術中特徵點匹配演算法的數學思想，將匹配公式進行改進后應用於模型網格點的適配，在作了一定假設后推導出逆向圓柱映射的計算公式，再將適配后的柱面網格映射回去，最後進行紋理映射生成真實感的特定人臉的三維模型。Abstract : it is observed that the sommerfeld ' s formula for a progressive spherical wave is not covariant with respectro the rotation of the coordinate system. it contains complex partial waves that are not physical. the standing wave representation of the same formula is shown to be covariant and physical. it is applied to solve the boundary value problem of fiber optics. the radiation modes as well as the guided normal modes are obtained in closed forms. the intensity distribution in various modes is obtained. it is remarked that the mode of critical refraction is missing
文摘:說明了球面行波的索末菲公式在坐標轉動下不協變.證明了球面波的駐波表示是協變的，因而是一個物理的關系式，故適用於圓柱坐標中各類波動方程的定解問題.作為一個例，應用於光纖光學，導出了受導簡正模和輻射模的表達式，以及各模式的強度分佈The research works finished in this paper are listed below : 1. solving the problem in testing of cylinder vessels that the sensors disposition is very rigorous, carrying out study of freewill triangle network orientation and linear orientation, bringing forward the discriminance which distinguish the validity of orientation array using character string method the first time, at the same time, solving the problems that judgement of orientation array, elimination of camouflage location, avoidance of repeat location, etc. 1 '. carry ing out the study of the orientation of defects in stand lank floor with the method of freewill planar triangle orientation, advancing bran - new discriminance on the validity of orientation arrays, orientation points, and the disposing means of the acoustic sources near sensors and those near common border
本文進行的主要研究工作有： 1解決柱式容器檢測中傳感器排布要求較嚴格的問題，開展任意三角形網路排布檢測技術與線定位技術研究，首次提出了利用字元串格式判斷線定位陣列有效性的判別方法，並解決了任意三角形定位中存在的定位陣列判斷，偽定位的剔除，重復定位的避免等一系列問題； 2利用平面任意三角形定位方法開展常壓立式儲罐罐底缺陷定位技術研究，提出了全新的定位陣列有效性判斷、定位點的有效性判斷方法；以及頂點聲源和邊界聲源的處理辦法。According to eigenvalue equation ( general formula ) of the energy method of the plane steel frame structure stability, and considering the restriction of the end of the column of the main steel frame and function of deflection curve gained from the differential balance equation general resolution, we get the equation for calculating the length coefficient of the main frame structure stability of the steel arch gate and the resolutions are also given
根據平面剛架穩定性能量法特徵值方程（通式） ，考慮弧形鋼閘門主框架柱的柱端約束的特殊情況，求出撓曲線函數（試解函數）通解，得到弧形鋼閘門主框架柱穩定性計算長度系數方程。其中弧門主框架主橫梁式形框架的臨界荷載比較現行規范推薦的有限元法簡單方便、結果精確及物理概念明確等優點。On the one hand, it " s imperative to change the current structure, to hand to market the products and services what market can provide efficiently to change the current distribution situation and increase the fiscal expenditure that market can " t do actively for the sake of good solution to " beyond its duty " and " not yet finish its duty ". on the other hand, fiscal expenditure should embody its function to promote a country ' s development and it ' s necessary to increase constructional expenditure such as fiscal investment in agriculture, back bone enterprises of state - owned economy, pillar industries, guiding industries, basic industries and so on to ensure the rapid and all - round development of our country
即一方面要改變現有的財政支出結構，按照公共產品理論把市場能夠有效提供的產品和服務交給市場以改變國家財政包攬過多的分配局面，加大市場不能有效供給產業的財政支出，解決好財政「缺位」和「越位」的問題；另一方面，要根據中國的國情，財政支出應該體現財政的促進發展的職能，增加經濟建設支出，特別是農業、國有經濟的骨幹企業、國家支柱產業、先導產業、基礎產業等的財政投資，確保國家快速、全面發展。For the stress analysis of dryers under the line load of supporting rollers, according to hoff theoretical solution of thin cylindrical shell under line loads, mangelsdorf approximate solution is modified on the basis of the calculation analysis for 14 sets dryers " dimension by computer programming with matlab software. the approximate formulas of the second largest hoop stress of the middle section of the shell are derived
針對托輥線壓載荷作用下烘缸的受力分析，本文根據薄壁圓柱殼在線壓載荷作用下的hoff理論解，在運用matlab軟體對14組常用烘缸參數進行編程計算分析的基礎上，對mangelsdorf近似解作了修正，並由最小二乘法導出殼體中部截面環向應力次大值的近似計算式。The difference between axial compressive capacity of beam - column joints and that of columns is introduced when joints are strengthened by various measures. influence of shapes, spiral hoops and ratio of beam depth to side dimension of square column upon axial compressive capacity of beam - column joints is discussed. then economy and security of the relative article in current code are demonstrated and the design recommendations of beam - column joints are given
本文通過6個不同強度等級混凝土樑柱節點試驗，了解在不同的加強措施情況下，節點區的軸心抗壓承載力與柱的理論軸心抗壓承載力的差異，探討了角鋼、螺旋箍筋及梁高與柱截面尺寸的比值h c對節點區軸心抗壓承載性能的影響，驗證了我國現行規范有關條款的安全性和經濟性，並且在此基礎上，為不同強度等級混凝土樑柱節點的設計提出了相關建議。Eigenequation about singularity, singular stress fields and electrical displacement fields near the interface edge are obtained under axisymmetric distortion. finally, a special finite element formulation which is based on the principle of minimum potential energy has been developed for determining the orders of the singularity of the singular stress fields around the singular point ( interface edge, interface corner and the interface crack ) in the bonded dissimilar anisotropic / anisotropic, piezoelectric / piezoelectric as well as piezoelectric / anisotropic materials. the numerical results show that this method is very convenient and efficient
最後，從最小勢能原理出發，在僅僅考慮奇異性支配區域這一前提下，對于彈性接合材料的平面變形問題和擬平面應變問題，以奇異點為原點分別建立極坐標系和圓柱坐標系，通過分部積分消除廠項，從而使奇異性問題的求解由原來的二維降為一維；對於三維變形問題，以奇異點為原點建立球坐標系，通過分部積分消除項，從而使奇異性問題的求解由原來的三維降為二維。Tow speciments of prestressed fabricated beam - column subassembly were tested under reversed cyclic loading. experimental studies were carried out to investigate the strain distribution, failure mechanism and load - bearing capacity on the beam - column connections, as well as ductility, hysteresis curves energy dissipation, displacement restoring capacity of full pc speciments
本文通過兩榀預壓裝配式樑柱組合體在低周反復荷載下的試驗，了解了預壓裝配式框架梁端截面應變分佈、破壞機理和極限承載能力；探討了全預應力配筋截面延性特徵、滯回性能、耗能能力和變形恢復能力。The application of semantics is discussed as follows : the projection relation semantics leading to recognizing cylinder, the region semantics leading to recognizing linear sweeping, the free element semantics leading to recognizing the feature which the cylinder is cut by plane. last, a prototype system is developed according to the semantics model. the system can read dxf that contains 2d engineering drawing information and recognize the 3d feature
接著，根據工程語義模型表述，詳細分析了各個類別、層次以及類別之間表達的工程語義的特點與內容，然後進行零件的特徵分類，從特徵識別的角度探討了工程語義在圖樣理解的應用，並詳細討論了圓柱體、線性拉伸體、圓柱體的平面截切特徵從投影語義、連通域語義、游離圖元語義引導識別的應用過程。The general situation and progress of magnetic dipole theoryresearch during recent twenty years in china were introduced briefly including magnetic dipole ; linear and strip magnetic dipoles of finite lengths ; magnetic force on a magnetic particle ; the effect of magnetizing field orientation on the revelation of defect by magnetic particles ; longitudinal magnetization of rod, tube and cuboid steel ; the relationship between the slot depth in a workpiece and magnetic leakage field ; the cause of stray magnetic pattern along base apex edges of a workpiece magnetized circumferentially ; the analytic expression for the magnetic leakage fields inside and outside the slot on the cylindrical surface of a disc ; and the effect of a needle - like magnetic medium on the magnetic force between two point magnetic charges
簡述20年來中國無損檢測中磁偶板子理論研究的概況和進展，主要介紹磁偶極子，有限長磁偶極線和極帶，磁粉顆粒的受力，磁化場方向對磁粉顯現缺陷的影響，棒料、管材和方鋼的縱向磁化，工件表面溝槽深度對其引起漏磁場的影響，周向磁化時工件底棱上的雜亂顯示成因，圓盤邊緣柱面上溝槽內外漏磁場的解析表達式和針狀磁介質對兩個點磁荷間磁力的影響等。4. choosing the reasonable deflection curve function. according to the energy method and the constrained condition of column end of the steel arch gate, the article presents a practical calculating formula for the stability of the main frame structure of the steel arch gate
選擇合理的撓曲線函數（試解函數） ，根據能量法及弧門柱端約束條件，提出弧形鋼閘門主框架（平面鋼框架）穩定性計算的實用解析計算公式，並根據影響弧門主框架穩定性的因素對該公式進行修正。The opening stress and the life of crack growth is calculated and compared with the test results and the experience formula. the feasibility of the newman theory of opening stress used in the high strength steel is validated. then through the slice synthesis method, the three dimension surface crack of the weld joint of cone - cylinder is decomposed into many plane through cracks
本文將基於裂紋閉合現象建立的帶狀屈服模型，用在平面貫穿裂紋中，計算此時的裂紋張開應力和疲勞裂紋擴展壽命，與試驗結果和經驗公式比較，驗證newman裂紋張開應力理論在高強鋼中的可行性；然後，用切片合成法，把潛艇結構凸錐柱結合殼焊縫處的三維表面裂紋分解成平面貫穿裂紋，用帶狀屈服模型的理論來分析平面貫穿裂紋，得到裂紋沿深度方向的擴展速率，進而得到潛艇結構的疲勞壽命。Abstract : the general situation and progress of magnetic dipole theoryresearch during recent twenty years in china were introduced briefly including magnetic dipole ; linear and strip magnetic dipoles of finite lengths ; magnetic force on a magnetic particle ; the effect of magnetizing field orientation on the revelation of defect by magnetic particles ; longitudinal magnetization of rod, tube and cuboid steel ; the relationship between the slot depth in a workpiece and magnetic leakage field ; the cause of stray magnetic pattern along base apex edges of a workpiece magnetized circumferentially ; the analytic expression for the magnetic leakage fields inside and outside the slot on the cylindrical surface of a disc ; and the effect of a needle - like magnetic medium on the magnetic force between two point magnetic charges
文摘:簡述20年來中國無損檢測中磁偶板子理論研究的概況和進展，主要介紹磁偶極子，有限長磁偶極線和極帶，磁粉顆粒的受力，磁化場方向對磁粉顯現缺陷的影響，棒料、管材和方鋼的縱向磁化，工件表面溝槽深度對其引起漏磁場的影響，周向磁化時工件底棱上的雜亂顯示成因，圓盤邊緣柱面上溝槽內外漏磁場的解析表達式和針狀磁介質對兩個點磁荷間磁力的影響等。Establish geometry model of hyperboloid clutch with rollers with differential geometry. we know that the line of tangent is beeline and validate it with matlab. in the base of above research, establish movement model of hyperboloid clutch with rollers and find the relation between force of outer race and moment of inner race
在上述研究的基礎上利用運動轉化原理建立了內外環與滾柱之間的運動模型，並利用微分幾何的相關知識通過對施加在外環上的主動軸向力的分解及合成，求的其在內環上所產生的力學反應，建立雙曲面滾柱加載器力學模型。1. the mathematical model of copper cylinder pressure - measuring system is established according to the pressure - measuring mechanism of copper cylinders and the numerical solution program is made. the simulation of this model has been done and the simulation result agrees with the measuring result quite well. according to the simulating calculation, the regularity of copper cylinder deformation under different pressure is obtained
論文主要工作體現在以下幾個方面： 1從銅柱測壓機理出發，建立了較為完善的/ 1銅柱測壓系統的數學模型，編制了數值求解程序，並進行了模擬計算，模擬結果與實驗測量結果基本相符，通過模擬計算，獲得了測壓銅柱在壓力作用下的變形規律。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，通過改變結構參數，運用空間有限元方法，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」 、 「結構地震反應力」 、 「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，地震反應力略有增加，框架柱軸壓比最大增幅小於8 % ，結構整體抗震性能有所提高;當異型柱肢長肢厚比小於等於3 . 6時，結構有利於抗震;水平地震作用力與整體坐標夾角為0度時，結構地震作用效應較大，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，應盡可能減輕結構自重，降低地震作用力;分別採用「振型分解反應譜」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。In order to verify the feasibility of the present method, chapter 3 takes the fluid flow of sphere, cylinder and the additive mass of two spheres as three examples, finishes the calculation by disposing the source or sink whose strength is expressed as the format of nurbs and emphatically the processing of the singular integral. it can be drawn from the comparison of the results of present method and the theoretical solution, i. e. a good precision can be gotten under a few collocation points with the method
為了考查本文方法的可行性，第3章以圓球體繞流、圓柱繞流以及兩個等圓球體在流場中的附加質量作為例子，通過在物體表面布置強度以非均勻有理b樣條表達的源匯和著重對奇異積分的處理后完成了相應的計算，從與理論解的比較可以看出本方法的優越：在數目很少的配置點下數值解可取得十分良好的精度。In this paper, a reasonable and feasible method of test measurement and analysis about the bond - slip properties of src eccentric loading columns was firstly presented. based on the former test of our research group, " the embedded electronic steel - concrete slip transfer " ( patent authorization no. zl - 02 - 2 - 61881. 3 ) was manufactured and exploited phasely, by which the interior slip between the steel shape and concrete along the embedment length could be directly measured, and the most difficult problem of experimental research was consequently solved. all these provided a basis for the further study on the bond - slip properties of src eccentric loading columns
本文首先提出了一套合理可行的型鋼混凝土偏壓柱粘結滑移性能的試驗測試和研究方案，並在本課題組前期試驗研究的基礎上，研製了內置式鋼?混凝土電子滑移傳感器（專利授權號： zl - 02 - 2 - 61883 . 3 ） ，並進行了階段性地研究開發，從而解決了型鋼與混凝土連接面上滑移難以準確測量的關鍵問題，為進一步研究src偏壓柱的粘結滑移性能奠定了基礎。分享友人