滑動應力 的英文怎麼說

中文拼音 [dòngyīng]
滑動應力 英文
slip stress
  • : Ⅰ形容詞1 (光滑; 滑溜) slippery; smooth 2 (油滑; 狡詐) cunning; crafty; slippery Ⅱ動詞(貼著物...
  • : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
  • : 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...
  • 滑動 : slither; slippage; slipping; slide; sliding; run; sliding movement [motion]; glide; slump滑動閘門...
  1. So this base isolation technique has profound prospects. unfortunately there exist definite difficulties in the calculation because of the nonlinear of the base friction force. now, both the equivalent damping method and the numerical calculatin of the vibration response of the base - isolated buildings are frequently used in the calculation of the seismic response of the base - isolated building. however both of them have certain drawbacks. in this paper, the response of the building with base - isolation system is derived by the method of fourier expansion for the friction force and the earthquake response. at the same time, the sliding vibration character of inertia of a single mass structure and the sliding vibration response of a muti - mass structure are discussed. the stable condition of the sliding base isolation system of a structure is given. in the end, two circes of base fixation and base sliding are analyzed by adopting ansys

    本文利用對摩擦和地震響進行付氏級數展開的方法導出了基底具有摩擦隔震系統的地震反。同時,文中從研究單質點結構的慣性入手,進而對多質點結構體系進行探討,分別給出了結構隔震的自身穩定條件。最後,本文利用ansys對基礎固定和基礎移隔震兩種工況進行了模擬模擬分析,進一步證實了基礎移隔規律。
  2. Test method for viscosity of drive line lubricants in a constant shear stress viscometer

    恆定剪切粘度計傳線路潤劑粘度測定方法
  3. Standard test method for low temperature viscosity of drive line lubricants in a constant shear stress viscometer

    恆定剪切粘度計中傳線路潤劑的低溫粘度的標準試驗方法
  4. For jiangpinghe double - curved arch dam, 3 - d elasto - plastic fem is made, in which the point safety factors of the dam - abutments system and the safety margin for coefficients of sliding resistance on 7 potential sliding blocks of the dam before and after the reinforcement of the dam are calculated under the conditions of the normal storage level and the design flood level respectively based on the results from the analysis made with fem

    摘要對江坪河雙曲拱壩進行了三維彈塑性有限元分析,利用有限元成果分別計算了正常蓄水位、設計洪水位等3種工況下加固前後壩體壩肩系統的點安全系數和7個可能塊體的抗富餘系數。
  5. 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,它可將不連續面受變形的主要特點反映出來,即: ( 1 )接觸面具有相的「抗剪強度」 ,即當接觸面上某一點處的切向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; ( 2 )在整個變形過程中,發生接觸的變形體不能相互侵入。
  6. Bond stress in the state of bond - slip should be adopted in the foundation design

    當設計人員在設計基礎時,只能夠採用在摩阻狀態下的粘著值。
  7. The first stage is primary slip then followed by secondary slip ; the last stage is due to dislocation passing the slips. the cyclic stress strain ( css ) curve exhibits a stronger hardening occurred in cyclic plastic deformation than that in tensile test

    建立了拉伸和變疲勞的有限元模型,使用基於晶體移模型的數值方法,對晶體內部移系的啟以及移繫上的分解切變、切這些無法試驗觀測的變量進行計算,分析它們對晶體塑性變形的不同影響。
  8. This paper, in the light of the special geological environment and actual project situation of the three gorges reservoir area, puts forward a comprehensive analysis and evaluation system suitable for the stability analysis of the bank landslide of the three gorges reservoir area under the premise of thorough consideration of the water influence on the stability of the bank landslide, and obtains the following achievements in several aspects that have the practical application significance and certain scientific research value : ( 1 ) it is discovered that the water activity is the primary factor of the formation of the new landslide and the revival of the ancient landslide. on the one hand, the rising underwater level reduces the actual stress of landslide ; on the other hand, the long time soaking of the underwater reduces the mechanics intensity of the landslide and the slide belt, both of which reduce directly the landslide stability ; ( 2 ) in view of the special condition of the three gorges reservoir area, this paper analyzes systematically the forces acted on the landslide of the three gorges reservoir area and the force varieties acted on the divided landslide when the water level changes between 175 meters and 145 meters. thus it is more scientific and comprehensive for the analysis of the forces acted on the landslide ; ( 3 ) this paper summaries systematically 10 kinds of typical computation projects by organic combinations of different kinds of situations in the dry season ( nature statue ), rainy season ( rainstorm or rains for a long time condition ), with 175m water level in the reservoir, during the earthquake, with the water level of the reservoir adjusted from 175m to 145m and so on, and produces

    本文針對長江三峽庫區特殊的地質環境與工程實際情況,在充分考慮水對庫岸體穩定性影響的前提下,提出了一個適用於長江三峽庫岸坡體穩定性分析的綜合分析評價體系,並取得了如下幾個方面具有工程實際意義和一定科學研究價值的研究成果: ( 1 )研究結果發現,水的活是新坡形成或古坡復活的主要因素,一方面是由於地下水位升高降低了坡體的有效,另一方面是由於地下水的長期浸泡降低體及帶的學強度,這兩方面的因素均將直接降低坡的穩定性; ( 2 )針對三峽庫區的特殊條件,系統分析了作用於三峽庫區坡體上的系和庫水位在175m與145m間變化時體條塊的受變化,從而使對作用於坡體上的系分析更科學、更全面; ( 3 )通過對體處于旱季(天然狀態) 、雨季(暴雨或長期降雨狀態) 、 175m庫水位、地震以及庫水位由175m調節下降至145m等各種不同情況的有機組合,本文系統地歸納總結出了10種典型計算工況,並具體給出了相的作用荷載的計算方法,使在庫區岸坡體穩定性分析評價時對計算工況選擇及其作用荷載的計算更具規范性; ( 4 )具體運用c + + builder開發了關于坡體穩定性綜合分析評價系統,使對坡體穩定性分析計算更方便、更準確; ( 5 )將上述坡體穩定性綜合分析評價系統用於重慶市豐都縣名山坡穩定性分析的具體事例中,分析結果表明,本文所提出坡體穩定性綜合分析評價方法對三峽庫區的坡穩定性分析是實用可行的。
  9. 3. based jellification dynamics theory that the larger the jellification activation energy, the greater the lubricant ' s jelling tendency, it is advisable to analysis the whole jellification process in attempt to find out maximum jellification activation energy emax and its ambient temperature tmax, as a ground for judging the lubricant ' s pumpability

    根據凝膠學理論,凝膠活化能越大,潤油的凝固趨勢越大,因此對潤分析其凝膠全過程,從中找出最大凝膠活化能emax以及開始出現最大活化能的溫度tmax ,作為潤油低溫可泵性判據。
  10. Firstly, the performance of several kinds of gears that is commonly used in present is analyzed. the sliding coefficients of the involute gear and the cycloidal gear are compared

    論文首先對目前常用的幾種齒輪性能進行了分析,比較了漸開線與擺線齒輪的系數,漸開線與圓弧齒輪的彎曲和接觸
  11. It is to use finite element method to calculate the stress within the slope in this paper, and get the normal stress and tangent stress of the slope sliding surface directly, and then calculate the stability coefficient of the slope

    本文研究內容是用有限元法計算斜坡內部的,並直接求解邊坡面上的法向和切向,進一步計算邊坡的穩定系數。
  12. In order to develop and consummate the analysis theory and calculation method of base - isolated structures, based on the research on restoring force model of isolation systems and the analysis on the nonlinear seismic response of base - isolated structures, the analysis on multi - dimensional and lateral - torsional coupled seismic response of base - isolated structures is developed in this paper. according to the mechanical performance of isolation systems, detailed analysis and improvement of the present research, an unilateral and a bilateral coupled visco - elastic hysteretic model for rubber bearings, an unilateral and a bilateral coupled visco - elasto - plastic differential hysteretic model for lead rubber bearings, an unilateral and a bilateral coupled modified visco - plastic differential hysteretic model for sliding friction bearings are proposed

    為進一步發展和完善基礎隔震結構分析理論和計算方法,本文以隔震系統恢復模型研究及基礎隔震結構非線性地震反分析為基礎,對基礎隔震結構的多維地震反及平?扭耦聯地震反開展了以下幾方面的研究工作:根據隔震系統學性能的特點,在現有研究成果的基礎上,對隔震系統恢復計算模型進行了改進和創新,提出了普通疊層橡膠支座單向及雙向耦合粘彈性恢復計算模型,鉛芯疊層橡膠支座單向及雙向耦合粘彈塑性微分型恢復計算模型,摩擦支座單向及雙向耦合修正粘塑性微分型恢復計算模型。
  13. Copper - nanosized tibi composites were prepared by in - situ process. the microstructure, mechanical and electrical properties, and dry sliding wear behavior and electric sliding wear of cu - nanosized tib _ 2 in - situ composites was investigated ; mostly task as follows : the thermodynamic data for the reactions between b and ti in the molten liquid of copper were analyzed, the copper matrix composites reinforced by in - situ tibi nanoparticles were prepared by reactions of 8263, carbon and titanium in copper - titanium melt, and copper - titanium, copper - boron in alloy melt, respectively, which controlled the reaction temperature, reaction time and solidification process. the rnicrostructure and mechanical and electrical properties of the in - situ composites were investigated by using optics microscope, tem and xrd

    本文採用原位反法制備了cu -納米tib _ 2原位復合材料,在此基礎上分析了原位復合材料的微結構,進行了干摩擦磨損和電接觸磨損實驗,完成的主要工作如下:從熱學的角度出發,分析了陶瓷tib _ 2顆粒在銅基體中原位生成的熱學條件,並用電解銅、工業純鈦、 b _ 2o _ 3 、 c (還原劑)以及cu - ti 、 cu - b等合金為原料,通過控制適當的反溫度、反時間和快速凝固等工藝手段,制備了cu -納米tib2原位復合材料。
  14. The paper proposes that the damage surface adopt curvilinear slip - surface, based on analyzing several normal models of soil pressure, and a new method of calculation soil pressure of brace structure of deep foundation - pit is derivated based on prandtl theory under this assumption. moreover contrasting against computational method of the classics soil pressure, better effect is acquired in the actual application

    本文在對幾種常用的土壓模型進行分析比較的基礎上,提出了採用曲線面作為破壞面,並在此假設下根據普朗特爾理論推導出一種計算深基坑支護結構中土壓的新方法,並與經典土壓計算方法作了比較,在實際用中也取得了較好的效果。
  15. With the development of automobile industry and road transportation , the traffic accidents happen every day in the world and become a serious society problem the vehicle collision accidents are over 2 / 3 times as much as all traffic accidents they cause a large amount of social infuence and serious economic loss therefore , it is urgent to study vehicle collision accidents comprehensively and systematically , and the research also is the academic foundation to analyze and deal with traffic accident it is difficult to authenticate car velocity after traffic accident to dig over locate witness is right way mechanics is avaid tool in this field it is important to establish math model and this is precondition to calculate vehicle velocity firstly on the basis of summarizing the research results , this paper deeply discusses the calculating model to analyze the instantaneous motion state in the vehicle collision, the interrelation among the every moving mechanics parameters in the every phase of the collision secondly , according to the collinear collision and two - dimension collision and the restitution coefficient , the paper estabishesthe post collision movement models it proves that these models are correct and valid thirdly , this paper try to research reconstruction of road traffic accident and put forward the method on it

    對交通事故的科學分析是建立在正確的數學模型與計算機模擬技術基礎上的定量分析,其基本條件就是要有能正確描述事故過程中汽車狀態的數學模型,只有建立正確的數學模型,才能較準確地推定事故車輛的碰撞速度。所以建立正確地車輛碰撞模型和運模型正是汽車事故再現的關鍵問題。本文首先在總結前人研究的基礎上,深入地研究汽車碰撞理論,分析了車對車碰撞作用瞬間狀態的計算模型及碰撞恢復系數與碰撞前、后速度的關系;其次,根據交通事故中最普遍的一維和二維碰撞的不同情況,採用恢復系數和摩擦系數等概念,分別建立了碰撞后車輛學模型;第三,對汽車碰撞事故再現進行了初步研究,確定了車對車碰撞事故模擬計算和反推計算方法,並給出相的模擬程序流程圖。
  16. Research on the stress and working pressure of teeth of sliding spiral transmission equipment

    螺旋傳中螺牙和工作壓的研究
  17. Using vogel ' s wear index as the rail side wear index, the paper analyzes the side wear variations of rail head when the parameters in the wheel / rail system vary, analyzes the influences of track irregularity on rail uneven wear on gauge corner emphatically. this paper analyzes the rail side wear dates measured by track division of shan hai guan since 1990, then gains the relationship between side wear and traffic volume and sums up the characteristics and regularities in the formation and development of side wear. in the end, some measures for regarding the side wear on curves are put forward

    從輪軌摩擦、輪軌接觸幾何關系、輪軌接觸和輪軌蠕等方面對鋼軌側面磨耗機理進行了探討,從軌道幾何參數、機車車輛運營條件等方面對鋼軌側面磨耗的影響因素進行了重點分析和總結;用輪軌系統學,建立了輪軌空間耦合振時變模型,採用vogel側磨指數作為鋼軌側磨指標,系統分析了輪軌參數變化的情況下,軌頭側面磨耗的變化規律,重點分析了軌道不平順對鋼軌不均勻側磨的影響;對山海關工務段1990年以後現場測得的曲線鋼軌側磨數據進行了分析,通過擬合得到了鋼軌側磨量與運量的關系曲線,並總結了曲線上股鋼軌側面磨耗的特徵和發生、發展規律;最後提出了一些減緩曲線鋼軌側面磨耗的措施。
  18. 3 ) based on the analysis result of equal contact stress curve and the theory of elasto - hydrodynamic lubrication, the expression of the oil film thickness between roller ( or ball ) and orbit are calculated. the simulation result proved that the thickness of oil film is enough for bearing and lubricating

    ( 3 )基於等接觸曲線的求解結果和彈性流體理論,求得滾體和軌道曲線間的油膜厚度表達式,並通過模擬分析論證了馬達正常工作時這種油膜能滿足承載能和潤的需要。
  19. Dynamic design for anti - slide piles with prestressed anchor cables

    錨索抗樁的態設計
  20. Abstract : to facilitate the design, teaching and research of asphalt pavements, the article founded the models of displacement and tensile stress of three - layer system by using separation of variables, analysis and synthesizer. based on the analysis of common pavement structures and their equivalent conversion, the regression formulas of displacement and tensile stress are obtained successfully, furthermore the formulas applied in multi - layer system are checked. a great number of results of regression formulas show good accuracy for engineering application and theory research

    文摘:為方便瀝青路面結構設計生產、教學、科研之用,本文採用分析綜合法與分離變量法建立了彈性三層體系位移顯式模型;並在分析常見路面結構層厚度及其當量換算和模量變化范圍的基礎上,成功求得了三層體系路表彎沉、上層滑動應力、上層連續、中層逼近公式;精度分析表明本文逼近公式精度很好,完全可推廣用於多層體系,滿足工程設計和有關理論研究的需要
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