法向正應力 的英文怎麼說

中文拼音 [fǎxiàngzhēngyīnglì]
法向正應力 英文
normal compressive stress
  • 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...
  • 正 : 正名詞（正月） the first month of the lunar year; the first moon
  • 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...
  1. Based on the close analysis of the influence factors of the vertical bearing capacity, circular aperture extension theory is employed to establish the computing formulas for the pile vertical stress and the foundation vertical bearing capacity, respectively. moreover, with analyzing the features of the calculation parameters such as materials of gunite mortar, jet pressure, diameter of the jet pipe, pile length, pile layout, a design theory for chemical churning pile composite foundation is proposed. then, the variation of the pipe deformation with loads, the deformation coordination of pile and soil are studied

    在此基礎上深入探討了旋噴樁的樁土受力特性及其復合地基的加固機理，從影響旋噴樁復合地基豎向承載力的因素入手，基於圓孔擴張理論給出了樁體豎向應力及旋噴樁復合地基的豎向承載力計算公式;通過對噴射漿液、噴射壓力選取、噴射直徑估算、樁長及樁位設計等各種計算參數的深入分析和研究，提出了一套相應的旋噴樁復合地基設計計算方法;通過計算分析，深入探討了旋噴樁復合地基變形隨荷載變化規律、樁和樁間土變形協調關系、樁土應力比及復合地基壓縮模量的確定，並提出相應的設計方法和修正參數;此外，結合工程應用，對旋噴樁復合地基的施工技術及其現場質量檢測方法進行了較全面的探討。
  2. The welding technology of francis turbine runners is optimized from the view of subsection welding and local heating by numerical simulation. the result shows that welding residual tensile stress appears in the weld and its area nearby, and peak stress appears in the dangerous area of blades after practising quondam welding technology ; welding residual tensile peak stress in the dangerous area of blades can be decreased by welding both ends earlier and then welding middle section later during subsection welding, and decreasing effect on welding residual stress of the subsection welding is related to the weld length of blade outlets and welding direction of each subsection ; decreasing effect on residual stress of the local heating is direct proportional to heating time, heating temperature, heating area, and inversely proportional to cooling area, and welding residual tensile peak stress in the dangerous area is decreasing trend earlier, and then increasing trend later with heated location increased

    本文利用數值模擬手段對轉輪的焊接工藝從分段焊和局部加熱兩個方面進行了優化，結果表明:採用普通工藝焊接時，葉片焊后殘余拉應力出現在焊縫及其附近區域，並且在葉片出水邊的熔合線附近（危險區域）出現了峰值;在採用優化的分段焊時，先焊兩端后焊中間的方法可以降低葉片危險區域的焊接殘余拉應力峰值，降低效果與葉片出水邊焊段長度、焊縫各段的焊接方向有關;局部加熱法降低轉輪危險區域殘余應力的效果主要與加熱時間、加熱溫度以及加熱面積成正比，與冷卻面積成反比，並且危險區域的殘余應力隨加熱區域的增大呈先降低后升高的趨勢。
  3. Based upon virtual displacement method and the updated - lagrangian approach, stiffness matrices for two - dimensional elastic - plastic beam model in large displacement were proposed, in the derivation of which transverse stress was included because it was believed that part of the 2nd order effects of various stresses, which are in equilibrium with each other and with the external loads, will counteract each other and neglecting either part would possibly lead to incorrect results

    利用虛位移原理和更新的拉格朗日方法，導出了大位移彈塑性梁單元剛度矩陣的顯式表達式，在剛度矩陣推導中引入了截面內非線性剪應力和橫向應力的影響，剛度矩陣通過了剛體檢驗。之所以要引入橫向應力的影響，是因為本文認為，保持平衡所需的所有應力，它們各自的二階效應會相互抵消，因此忽略其中的任何一項都可能導致不正確的結果。
  4. It ' s indirectly proved that the oriented method is a reliable and practical. moreover, the natural fracture direction tested by the underground microseismic monitoring system also proved that the orientation technique is correct and comparable. 6

    同時，針對該試驗區塊，對兩口開發井進行了地下微地震波監測，測得的人工裂縫方位與實驗測得的最大主地應力方向非常吻合，進一步證明了該方法的正確性和可比性。
  5. This paper, on the basis of analyzing accurately guiding drilling rod receiving strength state, stresses are calculated, has put forward the computing technology of project

    本文在正確分析了導向鉆進中鉆桿的受力狀態的基礎上，進行了鉆桿應力計算，提出了工程計算方法。
  6. 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。
  7. ( 4 ) the intelligent inspect system for roof latticed truss structure in shenzhen citizen center is selected as a practice background, and the intelligent inspect method to the steel bracket of roof truss is researched in present paper, in which includes several tasks as follows : automatic load identification for bracket based on neural network method, prompt calculation for the stress of key points on bracket, and its service status evaluation and stress alarm

    （ 4 ）以深圳市市民中心屋頂網架結構的智能監測系統為實際應用背景，詳細介紹了網架結構支撐鋼牛腿的智能化監測方法。其中包括，基於神經網路的牛腿瞬時荷載的自動識別、牛腿關鍵點應力的快速正向計算、以及關鍵點工作狀態的評估與報警。
  8. 3. feasibility analysis of mbs the paper introduces and explains the theory of mbs and analysis the feasibility of mbs in china from many aspects, such as system, laws, financial environment, the situation of housing markets, macroeconomic effect, etc. the reform of land - using system provides mbs system pre - requisite ; the interrelated laws offer the law guarantee for mbs ; the issue of " security act " indicates that the security market of china is being normalized, and the developing prospect of finance in china brings mbs effective support ; the dilemma between the surplus and the shortage of commercial housing gives mbs an important turning point ; the macroeconomic effect of mbs is that it accelerates the economy, reduces the pressure of currency inflation, dissolves the operating risks of finance organs and makes the finance system operate steadily

    三、我國住房抵押證券化的可行性分析本文從住房抵押貨款證券化（ mbs ）的理論分析入手，結合我國住房抵押貸款的發展狀況，分別從制度、法律保障、金融環境、住房市場現狀、宏觀經濟效應等幾方面論述了mbs在我國的可行性：土地使用制度改革為實施mbs提供了制度前提；配套法律制度為實施mbs提供了法律保障； 《證券法》的正式出臺，標志著我國證券市場走向規范，我國良好的金融業發展前景為mbs提供了有效的支持；現階段住房市場的有效供給與有效需求雙重約束的矛盾存在，為證券化實施提供了重要契機； mbs的宏觀經濟效應在於拉動國內需求，促進經濟增長，減輕通貨膨脹壓力，化解金融機構經營風險，保持金融體系穩定運行。
  9. The distributions of the local density, thickness, temperature, tangential and normal stress and surface tension were acquired by the study of liquid - vapor interface. these simulated data agree well with corresponding experimental data and the md simulation results from other authors, consequently it is proved that the model and simulation method in the paper are correct

    對汽液界面進行了分子動力學研究，獲得了汽液界面局域的密度、厚度、溫度、切向應力和法向應力以及表面張力的分佈，並把這些數據與相應的實驗數據和其他作者的模擬結果相比較，吻合較好，從而證明了本文所採用的模擬方法和模擬模型是正確的。
  10. An experimental program which includes lots of unidirectional laminae is conducted using t300 / bmp - 316 material for researching the static and fatigue behaviour of the unidirectional ply. the experimental research for mechanical behaviour of a unidirectional lamina is to set up expressions of the normalized fatigue life, the residual strength degradation and the residual stiffness degradation of a unidirectional ply in the longitudinal, transverse and in - plane - shear directions, which also verifies the fact of nonlinear shear stress - strain behavior of a unidirectional ply in the 1 - 2 planes

    其中:分別對材料t300 / bmp - 316單向層合板縱向、橫向及面內剪切靜載力學性能及疲勞特性進行了試驗研究，並採用最小二乘法擬合得到各主方向正則化疲勞壽命表達式，以及單層板各主方向疲勞加載剩餘剛度退化表達式及剩餘強度退化表達式;試驗同時驗證了單向層合板1 - 2面上明顯的剪切應力應變非線性關系。
  11. According to the effective field expression which has been derived in former, the phenomenon that the tangential component of magnetic leakage field has maximum value and the normal component of magnetic leakage field acquires zero value at the stress concentration zone of positive magnetostriction ferromagnetism materials under the application of tensile stress and negative magnetostriction ferromagnetism materials under the application of compressive stress is explained theoretically through analyzing and discussing

    根據所得到的地磁場中受力鐵磁性材料有效場表達式，通過分析討論，解釋了受拉力作用的正磁致伸縮鐵磁材料和受壓力作用的負磁致伸縮材料在應力集中處漏磁場切向分量出現最大值、同時法向分量為零值的現象。
  12. So, how to enhance the power of competition of chinese industry and companies is being the issue which the academia had to consider. while the modularity, being an effective method to resolve complicated system or product, has been used in the design 、 exploitation and the production of computer since 60s, 20 century, and has been applied the realm the industry of auto, architecture etc. this method is changing company ’ s notion, promoting resource been distributed and utilize reasonable, enhancing the power of competition of industry, and promoting the corporation between enterprises. in a word, as the developmental direction of industrial organization in 21 century, modularity is changing the structure of industry and enterprise, and will take us into a modularity age

    而模塊化作為一種解決復雜問題的有效辦法，從20世紀60年代在計算機電腦產業的產品設計、開發和生產中得到應用開始，已經被越來越多地應用到汽車、建築、網際網路通訊等諸多產業領域，它促進了社會資源的合理分配和利用，提升了產業的競爭力;推動了企業間的合作，有助於產品生產成本和交易成本的降低;加快了創新的速度，為消費者提供了更多具有個性化的產品和服務… …總之，模塊化作為21世紀產業組織發展的方向，正在改變著現存企業的經營理念，改變著產業的結構，並將我們帶入到一個模塊化的時代。
  13. Engineering drawing has always been labeled as a practical subject. a combination of geometrical, building. mechanical and electrical drawing, it relates between theory and the picture of reality. engineering drawing will provide an accurate and complete ptcture for every object tn terms of shapes and sizes. usually, it is taught using the face - to - face teaching mode even in an odl environment. due to its nature, some students may find difficulty in imagining and interpreting the drawings. however, the availability of sophisticated technology provides the opportunity for the learning of engineering drawing to be enhanced via online. a web - based system for teaching and learning engineering drawing was developed based on a constructivism model. the web - based system is tailored for several topics of engineering drawing such as orthographic projection, sectional view, isometric and oblique drawing at the secondary level. the learning strategy consists of multiple phases beginning with introduction, concept learning, engineering drawing method, application and exercises. during introduction, students will be exposed to an overview of the topic followed by learning of specific concepts. the system provides a learning environment that allows engineering students to view objects from different angles, such as third angle projection and first angle projection as well as views of plans, side and front elevations. after learning about the concepts, students wilt be guided through the various steps in drawing methods for each topic via animations and simulations. learners are able to view any section repeatedly. examples of real application of engineering drawings were also given using graphic, animations and video. to evaluate students understanding, exercises were given at the end of each session

    工程制圖一直被認為是一門實踐性學科，其整合了幾何學、建築、力學、電子制圖等，從而將理論與現實圖像聯系起來，工程制圖能為每個不同形狀、尺寸的物體提供精確的、完整的圖像.通常，即使在開放與遠程教育環境中，工程制圖的教學也是通過面對面的教學模式來進行的.由於其特殊性，一些學習者可能難以想象並解釋這些圖像.然而，尖端的技術使得可以通過在線的方式加強工程制圖的學習.研究者基於建構主義模式開發了一個面向工程制圖教學和學習的網路系統.該系統適用於幾種工程制圖，例如展開圖、刻面圖、等角圖和斜角圖.學習過程包括導論、概念學習、工程制圖方法，以及應用與練習等階段.在導論階段，系統為學習者提供了專題簡介，然後是概念學習階段.系統所提供的學習環境允許工程專業的學生從三維透視、一維透視、平面圖、側立面、正立面等不同角度來觀察物體.經過概念學習階段后，系統將引導學生通過動畫和模擬學習每個專題中制圖方法的不同步驟，學習者也能重復觀察任何剖面.另外，還通過圖像、動畫和視頻等方式展示真實的工程制圖應用案例.最後，為了評價學生的理解能力，在每部分內容後面都附有相關的練習
  14. In this thesis two reverse - bias electrical stress methods were used to investigate the reliability of the devices. one is a typical of oc stress method with collector open and reverse - bias emitter - base junction. another one, a new technique, is fc stress method with forward - bias collector - base junction and reverse - bias emitter - base junction

    本論文採用兩種反偏電應力方法考察器件的可靠性，一種為傳統的oc應力（集電極開路，發射結反向偏置）方法，另一種為新的方法fc應力（集電結正向偏置，發射結反向偏置）方法。
  15. Comparing its results with those by ls - d yna, the accuracy of this algorithm was presented. moreover the failure process in concrete due to impact loading and the failure process of a steel bullet penetrating a concrete circular plane was demonstrated, which presented the dynamic transitional process from continuum to non - continuum. several different fundamental damage forms simulated by using this algorithm were discussed, comparing with the results from experiments

    應用該模型對正交各向異性平板內的應力波傳播、沖擊載荷下混凝土平板的破壞以及鋼彈侵徹混凝土圓板的破壞問題進行了研究，通過將計算結果與ls - dyna 、特徵線法以及實驗結果進行對比，證明了該模型的精確性和可靠性。
  16. Based on them, parameter approach analysis method of design segmental reasonable state is introduced, which has only iteration in due direction, and more efficient than present backward analysis, backward - forward iteration analysis and non - stress state method as well as more stable because of introduction of iteration parameter

    基於此，提出了設計（施工）節段合理狀態分析的參數逼近法。因只需正向迭代計算，比目前倒退分析、前進倒退交替分析法及無應力狀態法具有更高的效率，又因引入迭代控制參數，而具有更好的穩定性。
  17. 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。
  18. Both the effect of substrate deformation and the state of large deflection of the microbridge are involved in the theoretical expression. furthermore, the distribution of axial stress in the micro bridge is discussed in detail by taking different shapes of cross section into consideration. and a shape factor is introduced into the expression, which simplifies the theoretical expression

    理論上對薄膜微橋法的公式進行了進一步的化簡，在考慮襯底變形貢獻和大撓度的基礎上，進一步探討了微機械加工過程中不同橫截面形狀的情形；並對矩形和梯形截面微橋的軸向應力分佈作了分析，補充和發展了薄膜微橋法的理論；引入了橫截面形狀修正因子，簡化了公式的表達和計算。
  19. The coherence force c and the inner friction angle of composite increase 115 % - 205 % and 11 % ~ 15 % respectively more than that of no rootstalk soil. 3 the mechanism of dealing with corn rootstalks and eight kinds of blades for experiment in the soil bin have been developed in order to investigating the performance of dealing with rootstalks

    土壤-根茬復合體其抗剪強度與剪切面上的法向壓應力成正比，復合體土壤凝聚力c比無根土壤增加115 205 ；內摩擦角增加11 15 。
  20. At first, ploygon aggregate structure of concrete is randomly generated in two - dimensional plane with monte carlo method on the meso - level. then, the growth process of a crack of concrete 3 - point bending beam specimen is analyzed by fem, according to the criterion of maximum circumferential tensile stress. and the path of crack to spread in mortar, aggregate and interfaces of them is gained by the ultimate fracture criteria in construction standard that the width of crack should not be more than 0. 2mm

    首先，在細觀層次上，根據蒙特卡羅隨機抽樣原理，在二維平面上建立了混凝土多邊形隨機骨料結構模型，然後採用有限元計算方法，根據最大周向正應力準則，對三點彎曲梁構件進行了開裂過程的模擬，並以建築規范中構件裂縫小於0 . 2mm的要求為最終破壞標準，得出了裂紋在基質、骨料及界面的擴展路徑。
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