正態曲面 的英文怎麼說

中文拼音 [zhēngtàimiàn]
正態曲面 英文
normal surface
  • : 正名詞(正月) the first month of the lunar year; the first moon
  • : 名詞1. (形狀; 狀態) form; condition; appearance 2. [物理學] (物質結構的狀態或階段) state 3. [語言學] (一種語法范疇) voice
  • : 曲名詞1 (一種韻文形式) qu a type of verse for singing which emerged in the southern song and ji...
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  1. Blessing person and beatification people all but therefore will receive the host kindness to grant you the intelligent wisdom & rich spiritualism to have the correct rights and wrongs judgment and handling ability in front of the humans affair, and might consummate the balanced life condition ; bring the life to be healthier and beautifully

    祝福的人和受福的人都將因此而更蒙主恩典賜予你聰明智慧豐富靈性而在世事前有確的是非直判斷和處理能力,並且可以完善平衡生命狀;使人生更健康而美麗!
  2. First, using strip - partitoning method and programming in matlab language, the numerical caculations of the relation curve between moment and curvature are done for the beams strengthened with non - prestressed and pretressed cfrp sheets, base on the assumption of plane section, non - bonding slip and non - peeled destroy. secondly, nolinear finite elemeant analysis by ansys are done for the beams strengthened with prestressed cfrp sheets base on the three assumptions before mentioned, the analysis are all done for the relation curve between load and displacement, the distribution of material stress, the distribution of cracks. lastly, calculation formula of flexural capacity and deflection are proposed

    )的全過程關系線。其次基於上的三個假定,選擇合理的本構關系,利用ansys通用有限元分析程序對預應力碳纖維布加固梁進行非線性有限元分析,分析了加固梁的荷載-撓度關系、材料的應力情況、裂縫的分佈情況等。最後提出了承載力計算公式和常使用狀下撓度計算公式。
  3. After being improved, the gear surface contact fatigue strength obeys weibull distribution and stress obeys normal distribution, the gear bottom bend fatigue strength and stress obey logarithm normal distribution, according to the relation of average safe rate and reliability, then the gear strength reliability design and check equations can be deduced

    將齒接觸疲勞強度按威布爾分佈、應力按分佈處理,將齒根彎疲勞強度和應力均按對數分佈處理,再根據平均安全系數和可靠度之間的關系,推導出了齒輪強度可靠性設計和校核公式。
  4. According to these accomplishments, several techniques are expounded emphatically in this paper, including 3d refraction statics, coherent noise suppression by prestack wave field separating ( prestack fx noise attenuation ), 3d prestack multiple domain random noise attenuation, multiples attenuation, nmo of unsymmetrical hyperbola, dynamic replacement of wave equation, surface - inconsistent residual static, super bin stacking, poststack depth migration and prestack depth migration. all the techniques have been applied in seismic processing of 2d, 3d and wide - line profiling and obtained good results

    本文根據項目組研究成果,重點閘述了三維折射波靜校技術,疊前波場分離相干噪音壓制方法(疊前fx去噪) ,疊前三維多域隨機噪音衰減技術,多次波衰減技術,非對稱雙線動校技術,波動方程動替換技術,非地表一致性的剩餘時差靜校技術,超元迭加處理技術,疊后深度偏移處理,疊前深度偏移處理等。
  5. Considering the similitude law for shaking table test, we study the test results and obtain some conclusions which are a ) generally, the silty soil in test box liquefies and the liquefied time has relation with the amplitude of acceleration, b ) when the intensity is on and above eight degree, the silty soil deposit will be liquefied dramatically, c ) the relationship of the pore water pressure is relevant to the cycle loading which represents when the cycle loading ranges from little to great, the relationship is represent as a concave curve, or else as a protruding curve and tends to stability. ( 3 ) based on the triaxial compression test and the resonant column test, some studies are made such as a ) the duncan - chang parameters of constitutive model, b ) the dynamic shear modulus ratio and c ) the damping ratio of the site soil deposits. in order to deal with the test data, a computer program is compiled

    ( 2 )利用小型振動臺進行了k _ 0固結狀下粉土的振動液化模擬研究,通過分析弦荷載作用下的試驗資料,驗證了粉土的孔隙水壓力增長模式的合理性;從微分方程推導了基於土體振動臺模型試驗的相似律,並從模型實體、孔壓時程線和相似律等方做出了分析,得出了如下結論:在小型振動臺試驗中,模型箱中的粉土都發生了液化,液化的時刻和輸入加速度幅值有關,而對頻率的變化不太敏感;粉土在相當於8 9度地震烈度的加速度幅值作用下可能產生嚴重的液化;孔壓的增長線形狀與施加的荷載有關:當施加荷載為由小到大的形式時,線形狀為上凹的線;當施加荷載為等幅的弦荷載或荷載幅值由大到小時,線形狀為上凸的線,且逐漸趨于穩定。
  6. Abstract : variations of flow pattern, flow velocity in deep poo l and side bar, mainstream thread, and water surface, caused by excavation project, are investigated by two - dimensional mathematical model in an orthogonal curvili near coordinate system. the change of bed - load transport rate, and redeposition r ate are predicted. the influences of the excavation project on navigation are ana lyzed. grid - type and flat - type excavation alternatives are proposed and discuss ed

    文摘:採用線坐標系下的河道平二維數學模型,研究了嘉陵江何家磧邊灘采砂后河道流勢、流、灘槽流速、主流位置、水高程及比降的變化規律,預測了采砂方案完成後卵石推移質輸沙率變化及其對航道的影響,並對格形開挖和平整開挖方案進行了比較分析
  7. The working modes were the ninth bending in - plane vibration modes, which had almost the same frequencies and realized movement of forward and backward using the same power supply

    利用振子第9階同頻的兩個交的內彎分別實現直線電機的、反方向驅動。
  8. The paper is an attempt to put forward fitting julyk distribution curve by statistic histogram curves fitting based on area constraint and to estimate whether sample data meet normal distribution or not

    摘要提出利用基於積約束的統計直方圖密度擬合方法把試捲成績樣本數據擬合成一條連續的線,並判斷樣本數據是否符合分佈。
  9. Nonlinear constitutive relations are discussed for analyzing the stress distribution, the appearance and development of the cracks, as well as the behavior of the boundary conditions of the two way slabs respectively. in the light of the experimental research on r. c. two way slabs under static loading, the behavior of yield line, the load deformation curves and the crack yield, plastic limit loads of slabs with different supporting conditions are studied

    根據反映雙向板混凝土材料非勻質性的本構關系,分析了雙向板在荷載作用下的變形、屈服、裂縫和破壞的形特性,並對鋼筋混凝土雙向板在不同支承條件下的塑性極限荷載、常使用撓度(線)和截設計作了進一步研究。
  10. Secondly, two carbon fiber reinforced composite beams were fabricated, and their modal frequencies were measured by an experiment method. thirdly, delaminations were modeled by pairs of nodes with the same coordinates but different node numbers, while the modal frequencies of these beams with different delamination location and size were computed by an eas piezoelectric solid element. moreover, a novel method combining computational mechanics and neural network was demonstrated for composite health monitoring ; the first five flexure modal frequencies obtained by fem were modified by a primary revising approach and were used to train the neural network

    本文較全地評述了神經網路的應用模型、改進演算法等,編制了bp神經網路程序:制備了纖維增強復合材料試件,並進行實驗模分析;利用坐標相同、節點號不同的方法模擬脫層損傷,基於eas列式的壓電固體單元計算了不同脫層損傷情況下的頻率信息;針對基於實驗數據訓練神經網路存在樣本不足的缺陷,本文提出了利用有限元方法對含有脫層損傷的復合材料試件進行數值模擬,以前五階彎頻率構建訓練樣本的新思路,並提出了一種初步的計算值修方法,以此構建神經網路的訓練樣本:將實驗模分析的結果送入訓練好的神經網路進行預測,實現了對復合材料梁的脫層損傷的定位和損傷程度的評估。
  11. In the experiments, two series of catalysts were synthesized by co - deposition and sol - gel methods each. the composition of both waterproof and gas diffusion layer and catalysis layer were optimized by the orthogonal test. meanwhile, quasi - steady cathode polarization curves, x - ray diffraction ( xrd ), scanning electronic microscope ( sem ) were used to analyst the relationship between the microstructure and the performance of air electrode

    實驗採用共沉澱法和溶膠凝膠法合成了兩類催化劑;對防水透氣層和催化層進行了交試驗優化;同時,還採用測準穩極化線, x射線衍射( xrd ) 、掃描電子顯微鏡( sem )等分析測試手段,對空氣擴散電極催化材料、空氣擴散電極界結構與性能的關系等作了較深入的研究。
  12. Upon those theory studies, under the simulation environment of adams software, the 3 - d virtual prototype model was simulated according to actual gorilla robot “ gorobot ”. and in simulation studies, this paper realized biped steady dynamic forward - walking, upstairs and downstairs biped walking, walking mode shifting and rationality of the method for pattern generation was validated in this paper. by the simulation, the curves of joints drive torque and ground reaction force for landing - foot were gained

    基於上述的理論,在模擬軟體adams的環境下對類人猿機器人「 gorobot 」模擬實現了雙足前向穩定動步行,雙足上下臺階,步行方式動轉換過程,從而驗證了本文的步行樣本生成方法的確性和合理性;通過模擬得到的關節力矩線、著地腳的地反力線等模擬結果驗證了機器人步行和步行方式轉換的能力。
  13. The results show that the effect of reynolds number on the wind pressure distributions of these curved models is evident, and the contributions of the first several pod eigenvectors to the overall wind pressure distributions become much bigger

    結果表明,此類模型表風壓分佈受雷諾數影響明顯,且模型特性使得風場本徵交分解的前幾階特徵模對整個風壓分佈的貢獻增大。
  14. Based on the simulating results of simply - supported box girders ( 39. 1m ) and continuous box girders ( 2 x 40m ), the paper emphatically analyzes the full mechanical characteristics of psbget and the bend failure states of the right section. the influence of different areas and eccentricities of external tendons on ultimate bearing capacity and ductility is studied in detail. the differences of ultimate bearing capacity and the mechanical characteristics between the se

    Lin簡支箱梁和2x40m連續箱梁為例,本文較全地分析了預制節段拼裝體外預應力混凝土箱梁全過程受力特性和破壞形;研究了不同預應力配筋積和預應力筋重心高度對預制節段拼裝體外預應力簡支梁極限承載力和延性的影響,以及體外預應力節段簡支梁與體外預應力、體內有粘結預應力整體簡支梁極限承載力和受力特性的差異。
  15. The paper is based on the project of " the research of mathematics and computer frequency dynamic simulation theory on knobs not result ". the research content is object to the image of log knobs by vidicon getting to detect the shape of log knobs according to the method of video disposal. the paper apply digital image processing technology to log knobs image to swell and detect borders, then distill the surface shape and characteristic parameter of knobs. the thesis depict the knobs three - dimensional models, build the mathematics models of log knobs and simulation two - dimensional image curve of the log knobs primary section which has been discerned, thereby achieve our researching aim to reappear the knobs image on computer

    本論文是國家自然科學基金資助項目「節子ndt結果的數學描述與視頻動模擬理論的研究」的基礎研究之一,論文的研究內容是通過視頻處理的方法檢測原木表節子的形狀,以攝像機採集的原木表節子圖像為對象,運用數字圖像處理技術對節子圖像進行修、增強、邊緣檢測等處理,提取節子的形狀特徵參數,並運用數學的方法,歸納總結其規律,應用數學的方法對節子的二維模型進行描述,建立原木節子的數學模型,對識別出的原木節子主截的三維圖像線進行擬合處理,從而在計算機上實現節子的分佈與形的再現,達到研究節子的空間形和分佈規律的目的。
  16. Combining the strain mode curve data and element stiffness updating method, this paper present a method to identify the absolute damage extent. at last, the methods of location and damage extent identification have been integrated to a damage identification software which will make the identification conveniently. the studies in this article are as follow : 1

    本文對應變模線尖峰的分析,提出來了識別相對損傷程度的方法,並結合單元剛度修法提出了結構絕對損傷程度的識別方法,並將這種方法集成於自編的識別軟體中,界簡潔,操作簡單,便於工程應用。
分享友人