法向應力 的英文怎麼說
中文拼音 [fǎxiàngyīnglì]
法向應力
英文
direct stress-
Cohesion is best defined in terms of the plot of shear stress versus normal stress given in figure 9.
粘結力最好根據圖9中剪切應力和法向應力的關系曲線確定。It make the principle formula become simpler and more practical. by the attenuation regulation and distributing character of stress wave under the linear charge blasting, the paper bring forward the idea that the columniation stress wave can be regarded as cylinder stress wave, the end stress wave as spherical wave. the perfect stress attenuation formula in radical direction is established in complete elastic medium
根據條形藥包爆破應力波分佈特徵及衰減規律,提出了可將條形藥包爆破柱部應力波當作柱面波、端部應力波當作球面波處理的研究方法:建立了理想的完全彈性介質中球藥包和條形藥包爆破徑向應力衰減方程。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。Three main problems caused by normal force when linear motor was used in machine tool were presented
發現了法向吸力在直線電機的實際應用中導致的推力波動問題、裝配問題和機床隔磁問題。Friction and cohesion are best defined in terms of the plot of shear stress versus normal stress given in figure 9.
摩擦角和粘結力最好是根據圖9中剪切應力和法向應力的關系曲線確定。Nevertheless, in these approaches the contact intethee are charactered sboly ed stiffeess k. and k. " which is not perfect and rigorous in thc vitw of solid mechanics and rather rough for the description of the behavior of the idtfores. in collbet, taken as a contact problem, the principal chatrs of the idtcthees can be reflected : ( l ) the cbntact inifore is of shear strength which implies tha a generic pair of contact points on the inidse will displace coincidentally if the tangential fbrce at this point has not reahed the 1imit resistance, else, relative s1ide betwee the points will occur along the tangental direction. ( 2 ) no matter the relative slide occurs or not, the contact bodies cannot invade each other in any wise
本論文在對這兩種方法進行認真的分析后,說明它們對不連續面的描述並不合理,也無法反映出不連續面的主要力學特性,同時指出,將帶有不連續面的巖土工程問題作為接觸問題計算更為合理,它可將不連續面受力變形的主要特點反映出來,即: ( 1 )接觸面具有相應的「抗剪強度」 ,即當接觸面上某一點處的切向應力小於該點處的抵抗強度時,點對共同變形;達到強度時,則沿切向發生相對滑動; ( 2 )在整個變形過程中,發生接觸的變形體不能相互侵入。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。Here, fem is applied in the analyses of i ) fiber axial stress and interphase shear stress in fragmentation tests during initially applied strain, ii ) influence of temperature on the stress transfer across the interface, iii ) modulus and thickness of the interphase and their influence on interfacial stress transfer, iv ) interfacial debonding process, and v ) fragment aspect ratio, contact friction along the interface and their influences to the interfacial stress transfer efficiency
在論文的這部分工作中,使用有限元法描述和分析了逐節斷裂試驗中初始應變下的纖維軸向應力和界面相剪切應力,溫度對界面應力傳遞的影響,界面相模量和厚度、纖維節長寬比、界面脫粘過程、界面接觸中的摩擦效應等因素對逐節斷裂試驗中應力傳遞的影響。7mpa / km in the center of the zone ( 6 ) in the hot dry rock geothermal energy extraction system, after the system start to operate, the normal stress of crack show the pronounced influence depending on the temperature ' s change in a month, there are a marked drop in temperature nearby the injection well, forming a lower stress area, with the heat extraction, the temperature ' s change even gradually, but the temperature descend quickly nearby the production well, forming a new lower stress area
( 6 )高溫巖體地熱開發中,裂縫面法向應力受溫度變化的顯著影響,在系統開始運行的一個月內,注入井附近區域其溫度降低較快,形成低應力區;隨開采時間的延長,其溫度變化逐漸平緩,而生產井附近區域溫度降低加快,逐漸形成新的低應力區。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。The long term strength prediction method is put forward under the assumption that cohesion c varies in the same way as friction angle, and shearing stress varies in the same way as normal stress
依據雙曲線應力應變關系,假設堆石結構強度c與內摩擦角的變化規律相同,剪應力與法向應力的變化規律相同,得出堆石長期強度的求解方法與過程。As for side box girder, the elastic theoretical solution has been introduced. the method is based on stress function and regards side box girder as combine of plate element and shell element. then the force and stress formulae for flanges have been derived
對于邊箱式截面主梁,本文介紹了彈性理論解法,基於翼板單元應力函數,將邊箱梁視為板單元和筒殼單元的組合體,從彈性力學出發,推導出板中法向應力。Second normal - stress difference
第二法向應力差Normal stress distribution on the inner cylinder forced by power law fluid flowing in annulus with inner cylinder executing a planetary motion
冪律流體在內管做行星運動的環空中流動時的內管法向應力分佈After the simple analyses with the single phased media theory, a more detailed analyses has been done, based on two phased media theory, on rayleigh wave propagation in saturated soil. the new results show that rayleigh wave will really cause larger shear stress and pore pressure than s wave in shallow layers and thus easily induce sand liquefaction
進一步,基於兩相介質理論的有效應力法,研究了rayleigh波在飽水介質中的傳播情況,給出了rayleigh方程,分析了飽水介質中產生的應力,並同單相介質模型的結果做了對比,證實了rayleigh波較s波可產生較大的剪應力和法向應力梯度,從而導致液化的論斷。Critical normal stress
臨界法向應力First normal - stress difference
第一法向應力差Maximum normal stress
最大法向應力The mohr - coulomb criterion assumes that failure occurs when the shear stress on any point in a material reaches a value that depends linearly on the normal stress in the same plane
莫爾庫侖準則假定破壞發生在材料中任意點的剪應力某一值,該值線性依賴于在該面的法向應力。Based on the minimum potential energy principal, the influences of three loads, which are concentrated force, trapezoidal load and sinusoid load, over shear lag of cantilever single - box - single - cell box girder are deducted and discussed, and a conclusion is reached, which has some instructive significance for designer to determine the sectional dimension and reinforcing bars ; the bending normal stress changes greatly as considering the shear lag effect
以最小勢能原理為基礎,推導並討論了3種形式的荷載:集中力、梯形荷載、正弦形荷載對懸臂單箱單室箱形梁剪力滯的影響,得出考慮剪力滯效應后彎曲法向應力有較大變化的結論,對設計人員確定截面尺寸、截面配筋具有一定的指導意義。分享友人