法向應力差 的英文怎麼說

中文拼音 [fǎxiàngyīnglìchā]
法向應力差 英文
normal stress difference
  • 法 : Ⅰ名詞1 （由國家制定或認可的行為規則的總稱） law 2 （方法; 方式） way; method; mode; means 3 （標...
  • 應 : 應動詞1 （回答） answer; respond to; echo 2 （滿足要求） comply with; grant 3 （順應; 適應） suit...
  • 力 : Ⅰ名1 （力量; 能力） power; strength; ability; capacity 2 [物理學] （改變物體運動狀態的作用） forc...
  • 差 : 差Ⅰ名詞1 （不相同; 不相合） difference; dissimilarity 2 （差錯） mistake 3 [數學] （差數） differ...
  1. In algorithms, classification algorithms are divided into two cases : one for known statistical distribution model and the other for unknown statistical distribution model. four classification algorithms, the bata - prime statistic model fusing quadratic gamma classifier, based on sar image rcs reconstruction and space position mode, on the mixed double hint layers rbfn ( mdhrbfn ) model and on the self - adapt fuzzy rbfn ( afrbfn ) model, are derived. the problems, including how to further improving the class ratio of the bayes decision, decreasing the dependence on the statistical model and directly providing the adapted algorithm with samples, are solved

    提出了基於徑向基函數神經網路（ rbfn ）的雙隱層混合網路（ mdhrbfn ）模型，解決了標準神經網路在具體sar圖像地物分類中分類類別數目不夠和分類精度差的問題；提出了基於模糊推理系統的自適應模糊rbfn分類（ afrbfn ）模型，兼顧通用性與精確性，增強人機交互能力，進一步提高了演算法分類率。
  2. The original orientation ( i. e. the mol with respect to the geographical north ) of the core in the formation can be obtained by palaeomagnetic orientation tests. the two results are combined to define the direction of the maximum principle stress of the well or field

    該方法根據差應變分析（ dsa ）實驗確定地應力相對于巖心標志線的方向，利用古地磁方法確定巖心標志線相對于現代地理北極的方位，兩者結合確定地應力方向。
  3. On the basis of the theory of thin shells and the non - moment assumption, the equations of the motion of the conical shells under lateral cosinoidal loading are derived in the case of ignoring shearing stress

    基於薄殼理論和無矩假定，在略去剪切應力的情況下推導了圓錐殼在側向餘弦載荷作用下的運動方程，並採用半解析差分方法進行了數值求解。
  4. Aiming at the study actuality of fan performance monitoring system and analysis of fan performance curve changes affected by inlet - box and the different fixed - angles of guide blades in the course of installation, a fan flow monitoring model based on rbfnn in whole flow zone was established in this thesis. in the model, the method of no throttle and fan performance curve were used as basis. and on the basis of that model, fan performance curves of 4 - 73no. 8d were approached with experimental data of different speed, different opening - angles of guide blade and different resistance of pipeline, the precision and the error law of model were studied

    本文針對電站風機性能監測系統研究較少的現狀，在實驗的基礎上分析了現場加裝進氣箱和由於安裝造成的導流器葉片開度不一致對風機性能曲線的影響，並在此基礎上採用無節流方法測量流量，以風機調節性能曲線為依據，建立了基於徑向基函數（ rbf ）神經網路的風機流量全程監測模型；以實驗室4 - 73no . 8d離心風機為研究對象，探討了rbf神經網路差壓模型在變轉速、變導流器開度和變管網阻力等工況下的應用精度和誤差分佈規律；最後用visualc + +語言開發了風機性能在線監測系統。
  5. On the basis of analysing multilayer forward artificial neural networks which based on back propagation algorithms and basic principles of the adaptive noise cancellation system, this paper sets up an adaptive noise cancellation controller based on artificial neural network, which is proved to be more efficient in the noise cancellation and has robust performance based on simulink of matlab at the end, this paper proposes some advices of model and algorithms

    在對基於誤差反向傳播學習演算法的多層前向人工神經網路進行分析基礎上，結合傳統自適應噪聲抵消系統基本原理，建立了基於人工神經網路的自適應噪聲抵消器，經基於matlab的simulink模擬實例證明，具有很強的噪聲濾除能力和魯棒性。最後並提出了網路及演算法進一步改進的方法。
  6. The contents include : based on the previous research and the data of experimentations, the author researches and develops a kind of satisfactory semi - empirical formula of nonlinear temperature distribution, and calculates the temperature stress of rigid - framed arch bridge by the fem. the temperature effects of bridge structure by annual and sunlight temperature difference are discussed, it indicates that the temperature effect of annual temperature difference is small but the temperature effect of sunlight temperature difference is great and the temperature stress along beam depth resulted from sunlight temperature difference is nonlinear. with the comparison between the temperature effects of different position of bridge, the results show that where the section of bridge is small, the temperature stress of it is large

    本文主要包括以下內容：從理論上研究並結合實測資料發展了一種比較理想的半經驗溫度場非線性分佈公式，並將有限元方法應用於剛架拱橋結構溫度應力的計算中，對橋梁結構進行整體溫度應力分析；討論了年溫差和日照溫差引起的橋梁結構的溫度效應，表明年溫差引起的溫度效應較小，而日照溫差引起的溫度應力較大且沿梁高呈非線性分佈；分析比較了橋梁結構各個部位的溫度效應的大小，可知截面越小溫度拉應力越大，受力越不利；並對箱梁結構由於構造不同引起的縱向與橫向的溫度效應大小進行了探討，發現在頂板下緣也會出現相當大的溫度拉應力，並且梗腋的存在反而增加了頂板底部的溫度拉應力；還對幾種相近的剛構式橋型的溫度效應進行了分析對比，總結了這些橋型針對溫度效應的優劣，並提出相應的針對性措施。
  7. ( 三 ) under the dynamic load of the explosion, the numeric analysis has been done and achieve the rule as follow : ( 1 ) when the frequency of vibration is 0. 3hz, the acceleration of the slopes top gets the maximum ; so 0. 3hz is believed the natural frequency of the slope as a whole ; ( 2 ) the vibration of explosion can been magnified because of the condition of the landform, when the relative altitude is up to 45m, the acceleration of horizon gets the maximum ; when the relative altitude is up to 100m, the absolute value of acceleration and the deformation of horizon is larger than that in the bottom of the slope ; ( 3 ) in the period of forced vibration, at the top of the slope, the acceleration of horizon become larger and larger ; at the middle part of the slope, it becomes smaller ; ( 4 ) when the explosion velocity of is much little, the shallow part destruction is the primary deformation of the slope

    （三）採用模態疊加法針對爆破動力作用，進行邊坡的動力響應分析，得出了以下結論： （ 1 ）振動頻率為0 . 3hz時，坡面頂部水平向加速度峰值最大；綜合考慮，可認為該邊坡的自振頻率為0 . 3hz左右； （ 2 ）地形對爆破地振動存在放大作用，研究剖面的坡面，水平向加速度及位移在地形相對高差45米左右最大，而後隨相對高差的增高而減小，相對高差為100米時，水平向位移及加速度絕對值均大於坡腳； （ 3 ）強迫振動段，水平向加速度值隨時間變化的規律為：坡頂節點總的變化趨勢是越來越大，而坡體中部節點的變化趨勢是越來越小； （ 4 ）當爆破振速較小時，變形破壞的形式表現為坡頂表面滑塌型。
  8. Secondly, the author firstly demonstrates that the demand regulatory policy could keep the currency value correspondingly stable and make economy go up more quickly, employing the image diagram of curves. and then the author effectively demonstrates that the relativity of between price, output and monetary aggregates is closer, employing co - integrated theory, the vec ( vector error correction ) model and the variance decomposition method for analyzing quarterly data from 1996 to the third quarter of 2005

    其次，在運用形象的曲線圖分析現階段需求管理政策可以使我國在保持幣值相對穩定的條件下實現經濟較快增長的基礎上，運用協整檢驗、 vec （向量誤差校正）模型和方差分解方法分析了1996年以來貨幣供應量、物價和產出的季度時間序列，有力地論證了貨幣供應量與物價、產出間具有較強的相關性。
  9. In short, the method is convenient, economic and reliable and the result applied in the oil fields seems reasonable

    綜上，差應變分析和古地磁結合確定地應力方向是一種簡單、經濟、可靠的方法。
  10. When there is no or lesser undercut, we can use the bend stress ' s algorithm of involute gear to calculate approximately the bend stress of gear with meshed medium belt, what we to do is to transit the interrelated shift coefficient to the according radial minus shift coefficient of involute gear, and the error can be controlled in 10 %

    在不產生或少量根切時，可用漸開線徑向變位齒輪的彎曲應力計算方法來近似計算帶式嚙合介質齒輪的彎曲應力，只需將關聯變位系數轉化為相應的漸開線齒輪徑向變位系數即可，其誤差在10 %以內。
  11. The analytic solutions of isotropic elastic layered soil under axisymmetrical, rectangular and strip loads were derived from the basic equations of isotropic elastic mechanics by means of transfer - matrix method. by the result, can easily calculate the additional stress and settlement in layered soil. but these solutions could not properly assess the errors from the elastomer of the bottom layer in foundation soil

    從各向同性彈性力學基本方程出發，利用傳遞矩陣法推導出的多層彈性地基問題在軸對稱荷載、矩形荷載和條形荷載作用下附加應力與沉降的解析解，可以方便地求出層狀地基中的附加應力和沉降，而他們均沒有考慮最下層彈性體計算深度引起的誤差影響。
  12. On the other hand, for the pre - press stress being threw by the hub was inserted after cooling with liquid nitrogen, the poor transverse tension strength of the multi - ring flywheel rotor could be counteracted. so the rotate speed and energy storage density can be increased efficiently

    而採用多環套裝纏繞技術製造的多層飛輪輪環，在利用溫差過盈裝配方法給復合材料輪環施加預壓應力后，能夠有效避免飛輪轉子的復合材料輪環部分因較低的纖維橫向抗拉強度而破壞失效，從而大幅度提高飛輪轉子的極限轉速和儲能密度。
  13. According to different transverse difference in temperature and lengthways difference in temperature, the paper gave the method of computing temperature effect including : 1 ) the stress ot1 caused by nonlinear difference in temperature. 2 ) the constrain stress o t2 in undetermined structures by equivalent difference in temperature. 3 ) the constrain stress ot3 caused in undetermined structures by even difference in temperature tm

    針對具有不同性質的橫向溫差和縱向溫差，本文分別提出了預應力結構的溫度效應的計算方法，包括： 1 ）非線性溫差引起的自約束應力_ （ t1 ） ； 2 ）等效線性溫差引起的超靜定結構的約束太原理工大學碩士學位論文應力民3 ）均勻溫差tw引起超靜定結構中的約束應力4 4 ）均勻溫差tm引起梁的軸向變形受到柱的側向約束，與預應力筋的溫度變形之間的差異引起的預應力的變化。
  14. 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 ）三軸試驗土樣局部變形研究：首先定量比較了三軸試樣沿高度方向不同位置的局部變形（局部徑向變形與局部軸向變形）大小，分析了三軸試樣局部變形的特點和影響因素；然後把三軸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有限元數值計算結果，驗證了數字圖像測量方法得到的三軸試驗土體應力應變參數的合理性和準確性。
  15. Bearing capacity and displacement are two main problems in the application of geotechnical engineering. based on a series of pull - out tests using three kinds of paper and a sort of window screening as geogrid, twenty - seven in limit and several in working - stress geogrid - reinforced slope model tests designed through orthogonal principle have been conducted to have obtained the relationship between the bearing capacity and four factors ( i. e. reinforcement, angle of reinforced slope, the designed - length of reinforcement and the distance between layers of reinforcement ). the law of slope lateral ( horizontal ) displacement versus to the height of slope vary with external - load was derived from the model test data, and the main factor affecting the lateral and vertical displacement of geogrid - reinforced slope was obtained through analysis

    承載力（強度）和變形是巖土工程應用領域的兩大主要問題，本文以紙和窗紗布模擬加筋土邊坡的土工格柵，在一系列拉拔試驗的基礎上，以正交設計理論分別安排27個極限應力狀態和若干個工作應力狀態加筋土邊坡模型試驗，並以模型試驗獲得的數據為依據，採用誤差、極差及回歸分析方法，探討了加筋土邊坡承載力與筋類、筋長、層間距、坡角4因素的相關關系，獲得了在外荷載作用下加筋土邊坡的側向位移隨坡高的變化規律（並進行了定性解釋）和坡頂的豎向位移特性，並分析其主要控制因素。
  16. Second normal - stress difference

    第二法向應力差
  17. Dynamic characteristic of orthogonal vierendeel dome was discussed, and the influence on vibration characteristic acted by difference including rise - to - span ratio, shell thickness, section area and constraint condition was studied. vibration shapes - separation - spectra - method and time - history method were adopted to analyze the dynamic response of orthogonal vierendeel dome under common earthquake. by comparing dynamic response in different direction and dimension seismic excitation, the value and distribution of dynamic internal force were obtained

    本文研究了正交空腹網殼結構的動力特性，分析了矢跨比、網殼厚度、腹桿截面和支座約束條件對結構自振特性的影響；採用反應譜法和時間歷程法對正交空腹網殼的地震響應作了詳細的分析，分別研究了結構在不同方向地震激勵下和在不同維數地震激勵下動力響應的數值大小和分佈規律，並比較了兩種方法的結果差異，對抗震設計具有參考價值。
  18. So far, many methods have been used for studying the in - situ direction of oilfields and every method has its advantages and disadvantages. this thesis focuses on the method that predicts in - situ stress orientation for wells using differential strain analysis ( dsa ) and palaeomagnetic orientation

    目前為止，油田地應力方向的研究方法很多，每種測試技術都有其優點和局限性，本文主要討論利用差應變分析和古地磁方法結合確定地應力方位的方法。
  19. First normal - stress difference

    第一法向應力差
  20. The theory and method of the technique are correct and ripe. 2. before the dsa tests, sample preparation is the key for a successful test

    利用差應變分析（ dsa ）和古地磁巖心定向方法確定地應力方向，理論和方法是正確的和比較成熟的。
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