非等截面的 的英文怎麼說
中文拼音 [fēiděngjiémiànde]
非等截面的
英文
non prismatic-
The cyclo - hoop effect which steel tubular has exert to the concrete shows the character of heterogeneous in the arch rib section, the same to the axial direction. the paper verifies the change of the material poisson ration and the concrete grade will make the cyclo - hoop effect obvious alteration, the change of the cyclo - hoop effect and the stress redistribution of the section produced by the shrinking and creeping of the concrete and the expensive concrete on the section
在鋼管混凝土拱肋斷面上，鋼管對內填混凝土的環箍效應具有非均勻性，在拱軸方向上環箍效應也呈現非均勻性。驗證了材料的橫向變形系數、混凝土標號等參數的變化將引起環箍效應的明顯改變；混凝土的收縮、徐變和膨脹混凝土的應用導致鋼管混凝土的環箍效應發生變化並使截面的應力發生重分佈；並總結了其變化的基本規律。In the system, the collimation semiconductor laser - scanned beam scanning two perpendiculars direct of one plane of the measured workpiece at the same time is made. the beams with the dimension information of two perpendiculars direct are processed by the scanning receive system, the high - speed photoelectric transition and electronic data process. two measured results of the diametric directs and ellipse tolerance, etc, parameter, of the turning workpiece on the same plane are obtained by non - contact automatic measurement
在單向激光掃描檢測技術的基礎之上，提出了一種雙向激光掃描檢測系統，其採用激光掃描檢測技術與特殊光學系統相結合，用準直半導體激光掃描光束對被測工件徑向某一截面的兩個相互垂直方向同時掃描，經掃描接收光學系統、高速光電變換、電子學系統和微機數據處理系統，對將攜帶有垂直方向被測量信息的光束進行處理，實現了回轉體工件同一截面兩個垂直方向的徑向尺寸和橢圓度等參數的非接觸自動測量，解決了同時非接觸測量回轉體零件同一截面兩個徑向尺寸的難題，它具有高速，高精度和非接觸自動測量等特點。The section of traditional portal rigid frame are constant cross - section and wedge shape variable cross - section, this paper brings up a component cross - section ? ripple web plate variable cross - section. according to main specially characterist of portal rigid frame, this paper use matlab to work out analytical software. it ' s concrete analysis includes : endogen force and displacement caculation of rigid frame, stability analysis in and out flat surface of rigid frame, geometrical nonlinear analysis of rigid frame. and make comparison between ripple web plate variable cross - section portal rigid frame and constant cross - section rigid frame
傳統的門式剛架的構件截面為等截面和楔形變截面，本論文提出了一種構件截面形式? ?波紋腹板變截面。本論文根據門式剛架的主要特點，利用matlab高級編程語言編制了4個分析軟體，其針對性強，具體分析包括：剛架的內力與位移計算，剛架的平面內與平面外穩定分析，剛架的幾何非線性分析。Abstract : the mechanical analysis for arch bridge with flat hinge joints is a mechanical problem with non - linear boundary. mechanical analysis of methods at present is not clear, which can not calculate the arch bridge with changeable section and section with complicate shape. in this paper, the new method used to get the section resistance coefficient k is presented, the iterative procedure is established to calculate the internal forces of arch bridge with flat hinge joints, and the computational example is given. the method can apply to the arch bridge with any numbers of flat hinge joints and any shape section
文摘:平鉸拱橋結構的受力分析屬于邊界非線性力學問題，目前的一些方法受力分析不太明確，對變截面、復雜形狀截面等平鉸拱橋無法進行計算.針對這種情況，提出了確定平鉸截面抗力系數k的新方法，建立了計算平鉸拱橋內力的迭代演算法，並進行了實例計算，研究結果表明，這一方法對具有任意個平鉸、任意形狀截面的拱橋結構是適用的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 ）基於剛度等效或強度等效原則，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等效成常溫下的鋼筋混凝土截面，使得高溫下構件剛度和強度的計算可按常溫下的計算理論進行。Consequently, on the basis of non - winkler foundation model, a finite - element method that utilizes foundation flexibility matrix into iterative calculation is proposed in this paper originated from the item " the optimal design theory and research of pile capping beam " sponsored by natural science fund of hunan province, which the continuity of soil mass can be accounted for under various boundary conditions, different loadings and irregular beam characters
本文結合湖南省自然科學基金項目「樁基承臺梁優化設計理論與方法研究」 ，針對非文克爾地基（半空間、線性變形層或單向壓縮層地基模型等）上的樁基承臺梁，提出一種利用地基柔度矩陣來進行迭代的有限單元法，可充分考慮梁下土體的連續性，並對基礎與土體脫開、承臺梁截面變化、梁體邊界條件復雜、上部荷載類型變化以及梁下基樁承載力差異等情況進行分析計算。The connection between the torque and the polarized charges is established. on the base of mathematical model of torsional effect, using multivariate unrestrained nonlinear optimization method, we research cutting angles and parameters of crosssection to get best torsional sensitivity
在建立石英晶體扭轉效應模型的基礎上，應用多變量、無約束非線性優化方法對于晶體切型、截面形狀等參數進行了優化，以獲得最佳扭轉靈敏度。The surface finite element solver can fit every kind of body. some models with noncircular cross are calculated. and the results are compared with the experiment values
利用面元法能夠適用於計算各種截面彈身氣動參數的特點，對截面面積相等的幾種非圓截面彈身模型的氣動力進行了計算，並將結果與實驗值進行了比較。( 2 ) respectively by elastic theory analyses and methods of structural mechanics, transverse static analytical equations for flexible pipeline rigid pipeline are established whose outcomes are applied in numerical example to compare those with that by finite element method. ( 3 ) considering interaction of filled soil, pipeline and foundation, with an eye to non - linear soil model, in view of the initial geo - stress field and the effects of interface between soil and pipeline, and by finite element method the calculational model and method are built for transverse stress in pipeline. then, by the great finite element analytical software ansys, those outcomes are applied in calculation example of positive buried pipe to educe the distribution of circumjacent soil pressure and stresses on cross section and to compare it with that calculated by conventional ways before those outcomes are applied in engineering case of positive buried pipe with flexible filled materials to confirm distribution of soil pressures after the measure for reduction and to compare it with measurements. as a result, the model set up in this paper is proved to be applicable after all above - mentioned analyses
本文基於彈性理論和有限元原理與方法，分析了上埋式地下管道橫向力學計算方法和性狀並探討了上埋式地下管道的減荷等問題： （ 1 ）在分析現有幾種典型的管道垂直土壓力計算方法的基礎上，探討了影響垂直土壓力的主要因素以及改進的方法； （ 2 ）分別通過彈性理論分析法和結構力學的方法，建立了地下管道柔性圓環和剛性管涵的橫向靜力計算方程，並應用在算例中，把所得結果和有限元方法所得結果進行對比分析； （ 3 ）考慮填土、管道和基礎的共同作用、土體的非線性特性、初始應力場以及土體和管道的接觸面因素的影響，利用有限元的思路，建立了地下管道橫向力學有限元計算模型和方法，並且採用大型有限元分析軟體ansys ，針對上埋式管道工程算例，得出了管周土壓力以及管道橫截面應力的分佈狀況和規律，並和理論值進行對比；針對施加柔性填料的上埋式管道工程實例，得出了減荷后的土壓力分佈，並和實測值進行了對比。In this paper, an optimization design cad system of detached foundation of transmitting electricity iron tower has been studied. the system uses an easy and efficient method named grid search to find out the minimum cost of an detached foundation. at the same time, the depth and width of foundation, the width of column, the thickness of foundation plan have been ascertained
本論文研究開發的輸電鐵塔獨立基礎優化設計cad系統，以最小費用為目標，採用簡單、有效、易於編程的有約束非線性規劃方法? ?網格搜索法，對輸電鐵塔獨立基礎進行優化設計，確定出基礎埋深、基柱寬度、底板寬度、底板厚度等合理截面尺寸，並開發出計算、出圖一體化的優化設計計算機輔助設計系統。In the procedure, the column is first divided into a finite number of small segments in equal length. the deflection - curvature relation of each segment is determined using the finite - difference method. the final nonlinear algebraic equations are then obtained by means of the equilibrium condition for each segment
運用這種方法，先將長柱離散成若干等長的柱段，利用差分方法求得各柱段截面上的撓度與曲率的關系，再根據各截面上外力與抵抗力的平衡條件，得到一組關于荷載與變形關系的非線性代數方程組；本文對該方程組採用載荷增量法進行迭代求解。The exhaust system and muffler are simplified as a set of 1 - d pipes with non - isentropic flow and with variable sections. the partial differential equations of non - stationary flow are transferred into the stationary differential equations by means of the characteristic lines. these equations are solved by finite difference method
在排氣管系的計算中將排氣管簡化為一組一維非等熵變截面管，並通過「特徵線法」將描述其運動的非定常流的偏微分方程轉化為常微分方程，再用差分數值方法依靠計算機求解。At the same time, the program corresponding to the proposed method is compiled in fortran90, which is used to analyze the influence of several factors on behaviour of barrettes, including ratio of length to width, ratio of depth to equivalent diameter, ratio of modulus of pile to soil, possion ' s ratio, the finite layer etc. many useful conclusions are obtained from the above analyse
該方法考慮了壁板樁樁身橫截面的非軸對稱性，並用fortran語言編制了相應的程序，進而分析了多種因素對壁板樁承載特性的影響，包括長寬比、樁徑比、樁土剛度比、泊松比以及有限壓縮層深度等。The author, applying the program of ansys, built a nonlinear model of rc bi - direction cellular slab, and, from the comparison of equivalent - span and equivalent - thickness solid plate, drew several important conclusions. meanwhile he also pointed out that the stiffness of cellular slab would become weaker because of the holes of cross - section which make the tare weight 40 % down comparing to solid plate, but if the weakness of tare weight was considered, the cellular slab still remained the excellent features of integration and stiffness, by which the cellular slab can be put into use of large - span
本文利用有限元程序ansys ，建立了鋼筋混凝土雙向空腹板的非線性計算模型，並和等跨等厚度實心板進行分析對比，從而得出了一些重要結論，指出：在空腹板自重比實心板減少40左右後，空腹板的剛度雖然由於截面的開孔而削弱，但考慮自重減少后，空腹板仍表現出整體性好、剛度大的特徵，從而實現較大跨度樓板的工程應用。1 in the research of design of radar waveform, one kind of hybrid radar waveform obtained by combining the chirp waveform with the non - periodic pseudorandom sequences is discussed. through the theoretical analysis and computer simulation, several main characteristics of this kinds of hybrid waveforms are discussed, such as the ambiguity function, ambiguity graph, the spectrum, the weighting methods, the response of the processing filter and the low probability of interception. those are showing the effectiveness of the new hybrid waveforms on the performance of high resolution and low probability of interception
作者在以下幾個方面的研究工作中取得了進展及創新： 1 、在雷達波形設計中，介紹了一類新的線性調頻信號與非周期隨機編碼信號相結合的組合波形的組合形式，通過理論分析和大量的計算機模擬研究了這類組合波形的模糊函數（圖） 、頻譜特性、多普勒頻移特性、加權輸出特性、低截獲等方面的特點，證明了新型的組合波形在高分辨、低截獲等方面的有效性。It is constructed that radial impact and rubbing dynamics differential equations of the rotor system having the nonlinear rigidity on the unsteady and non - linear oil film. the bifurcation and chaos behavior of impact and rubbing fault rotor system caused by the parameters of nonlinear rigidity, rotor rotating speed, eccentric mass is analyzed, in the numerical value analysis method. the bifurcation diagrams, maximum lyapunov exponent diagrams, poincar maps, phase plane portraits, trajectories of journal center, time - history curve, amplitude spectra diagrams of the rotor motion are used
（ 2 ）建立了具有非線性剛度的轉子系統在非穩態非線性油膜力作用下的徑向碰摩動力學微分方程，並應用含高階余項的非線性動力方程的線性化數值法研究了此類系統響應的復雜動力學行為，利用轉子響應的分岔圖、最大lyapunov指數曲線、 poincar截面映射、時域波形、相軌線、軸心軌跡、幅值譜等圖形分析了系統響應的周期運動、擬周期運動、倍周期分岔、混沌等運動形式的轉化與演變過程，重點研究了非線性剛度、轉子轉速、偏心質量等系統參數對碰摩故障轉子系統的分岔和混沌行為的影響。The information supplied by you is correct and accurate in all material respects and shall not contain defamatory, trade libelous, unlawfully threatening or unlawfully harassing statements ; contain obscene material or child pornography and, if it contains any adults only material or element or is otherwise harmful to minors, it shall be posted only in the adults only section and shall be distributed only to people legally permitted to receive such content ; contain any viruses, trojan horses, worms, time bombs, cancelbots or other computer programming routines that are intended to damage, detrimentally interfere with, surreptitiously intercept or expropriate any system, data or personal information ; and contain any hyperlink unless permitted by red - dots
閣下所提供之資料在各主要方面均屬正確及準確及不得1含有誹謗商業誹謗非法恐嚇或非法騷擾的聲明2含不雅或兒童色情成份如含有隻適宜成年人的內容元素或對未成年人士有害的內容，則該等貨品僅能分發予可合法收取該等貨品之人士3含有任何病毒trojan horses worms time bombs cancelbots或蓄意破壞或嚴重干擾或秘密截取或竊取任何系統數據或個人資料之其他電腦程式及4載有並未獲點點紅所批準之任何超連結The paper concerns about the beams with consideration of residual stress under loading combined antisymmetric end moments with transverse uniformly distributed load, that formula for the linearly distributed moment used in gb50017 - 2003 should be modified for the nonlinearly distributed moment, and kirby, p. a & nethercot, d. a only suggested an empirical formula. therefore, it is of theoretical and practical value to investigate it
對于本文所研究的既有端彎矩又有橫向均布荷載作用且考慮截面殘余應力的梁，由於其沿梁長方向的彎矩是非線性分佈的，上述公式適用性有待進一步研究加以修正。而英國人kirby ， p . a和nethercot ， d . a .也只給出了彎矩非線性分佈梁的等效彎矩系數經驗公式。Optical fiber process tomography ( ofpt ) is a new technology in the field of optical fiber sensor ( ofs ). the probe of ofpt is small, safe, free of electromagnetic interference and has high sensitivity in low - density medium case same as ofs, more important and different is that it can detect the medium distribution and contents of the cross - section to be investigated simultaneously, which makes ofpt show potential and extensive applications in petroleum, chemical, energy, medicine, food and sanitation fields to control product quality, realize safe production and reduce the cost
光纖過程層析成像是光纖傳感領域的一門新型技術，具有光纖傳感器的測量低濃度物質解析度高、體積小、抗電磁干擾以及可以進行分散式測量的共同優點和可以同時測量物質截面內部結構的獨特優點，在多相流動廣泛存在的石油、化工、能源等工業部門和醫療、衛生、食品等領域具有廣泛的應用前景，對監控產品質量、降低成本以及保證生產安全具有非常重要的意義。On the premise of summarizing former contributions in the field, and considering the universality of the cylindrical space with circular cross - section in industry, the author develop a novel ofpt structure, on which the design theories, numerical simulation, design of experimental system for plane structure, preliminary experiment and design of applied space structure are presented. the main contents of the thesis are that : put forward the novel ofpt pixel distribution and plane - light - path design theories and their empirical formulae. the numbers of the ofs units and their emitting rays can be decided by the requirements of image - reconstructed resolution and the size of the center unmeasured region
本論文在總結前人工作的前提下，充分兼顧了工業中具有圓形截面的圓柱形容器或管道普遍存在的事實，提出了一種新型的光纖過程層析成像結構，並從理論設計方法，具體結構模擬，平面結構實驗系統設計，初步實驗以及空間結構實用化設計、理論分析等方面進行了研究，主要的創新點在於：提出了一種用於工業過程監測與控制的新型光纖過程層析成像結構設計方法，並推導了該方法的經驗公式，該方法主要包括像素分配和平面光路結構設計，可以根據工程應用中圖像重建的解析度和圓形截面非測量區域所佔比例的要求，設計所需傳感單元的數目和傳感單元發射光線的數目；設計了一種新型的光纖過程層析成像結構，並對該結構進行了可行性分析和數值模擬。分享友人