摩擦力值 的英文怎麼說

中文拼音 [mócālìzhí]
摩擦力值 英文
friction values
  • 摩 : 摩構詞成分。
  • 擦 : 動詞1 （摩擦） rub 2 （用布、 手巾等摩擦使干凈; 揩拭; 抹） wipe; scrub; clean 3 （塗抹; 搽） spre...
  • 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...
  • 摩擦力 : dynamical friction
  • 摩擦 : 1 （互相接觸的兩物體作來回相對運動） rub; chafe 2 [物理學] （相互接觸的兩物體在接觸面上發生阻礙相...
  1. Fist of all, on the basis of the research of agone boffins, this author investigates the interaction mechanism of bolts and rock, and introduces the elastic ? lastic analytical resolution which is consist of the liner structure, the equivalent reinforced wall rock and the original wall rock in the simple loading from the equivalent well - proportioned view ; this solution is very important meaning for the engineering design. on the basis of coulomb friction model, the author introduces the finite element equation of the contact problem in order to provide the academic foundation for the application of msc. marc. finally, combining the engineering practice of the non - linear analysis of shield tunnel through yellow river of the south - north water transfer and using the model of friction, the author researched the evolution law of stress and displacement field in the structure of grouted rock bolts, and analyzed the effect to the stress and deformation of surrounding rock mass due to anchor supports

    首先，在前人研究成果的基礎上，對錨桿與圍巖的相互作用機理進行研究，利用全長錨固錨桿的中性點理論，從等效均化的角度來考慮錨桿對圍巖的加固作用，並推導了在簡單荷載作用下，含有襯砌、等效加固后的圍巖、原始圍巖三者的彈塑性解析解，對工程設計有著重要的參考意義；在數值模擬方面，以考慮錨固圍巖滿足規則化庫侖摩擦模型為基礎，利用虛功原理推導了接觸問題的有限元方程的計算格式，為開發運用大型商用有限元軟體msc . marc提供了理論根據，也形成了本文的理論基礎：最後，論文以南水北調東線穿黃隧洞穩定性分析項目為工程實例，利用本文所述的接觸問題的摩擦模型理論，對錨桿支護結構的應力場、位移場的變化規律進行了研究，分析了加錨支護對隧洞圍巖應力、變形的影響。
  2. In the end, the stability is discussed under the coulomb friction model, getting the normal force compensation method and the additive vibration control method, which are to stabilize the friction drive system to realize the controllability and stability, which is simple to realize in the micro manipulator

    並通過對coulomb摩擦模型的穩定性討論，得出正壓力補償控製法，即以穩定摩擦力驅動摩擦振子實現微操作手運動的可控性及穩定性的方法分析。通過數值方法驗證正壓力補償控製法的適用性，為微操作器的運動控制提出可行方法。
  3. By the check - out, inspection and measurement to start construction the industrial art to this test pile with the examination between stake body mass and bearing power, made sure the stroke reasonable operation method drilling under the dissolved cavern geology term ; the pier foundation loading test expressed the lading and rub the lading that resistance drag a glazing for of relation, and to the borehole cast - in - place concrete pile in the karst terrain deliver with break the mechanism, the characteristic of bearing power, proceeding the spot test job of the full of result ; the test data expresses the stake side friction resistance to rises with a bat batch terminal friction resistance very important function, the of tip of pile resistance drag occupies the proportion very few

    通過對本次試樁施工工藝的檢測和樁身質量及承載力的檢驗，確定了沖擊鉆在溶洞地質條件下的合理使用方法；基樁承載實驗表明了荷載與摩擦阻力之間的關系，並對巖溶地區的嵌巖灌注樁的荷載傳遞和破壞機理、承載力特性，進行了富有成果的現場測試工作；試驗數據表明樁側摩阻和支盤端阻起很重要的作用，樁端阻力所佔比例甚少。這與設計樁基時的計算模式相差很大，承載力也較設計增加；使用力學數值分析方法和有限單元法，對鉆孔灌注樁樁端下的巖體強度和結構穩定性方面進行模擬計算和定量研究。
  4. By means of statistical inference as well as hypothesis test method, it is determined that the variables of compressive stress and shearing stress are of extreme - value distribution and that the variables of frictional coefficient and cohesion coefficient are of logarithmic normal distribution

    應用統計推理和假設檢驗方法分析得知，壓應力與切應力隨機變量呈極值型分佈，摩擦系數與粘結力系數隨機變量呈對數正態分佈。
  5. Compared the results of fea and the data of experiment, we can analyse that the distributing of the seismic stress of polymer - geogrid reinforced material is similar to that of the static stress, but the stress values of them is different ; the seismic similar friction coefficient between the earth and reinforced material fall with the increasing of earthquake acceleration, model acceleration respond along the height of the model, etc. thirdly, according to the comparison and analysis of the model seismic fea results and model experiment data, we can find the polymer - geogrid reinforced earth seismic fea is reasonable, which is composed by earth element, contact element and reinforced material element

    通過對比有限元計算結果和試驗數據，分析得出塑料土工格柵筋材的最大動拉應力的分佈與靜拉應力的分佈沿筋材的埋深大致相同，只是應力的值大小不同；地震作用下土筋間的動似摩擦系數是隨地震加速度的增加而減小；模型沿墻高方向的加速度響應等。接著，根據模型動力有限元時程分析結果和模型試驗數據的比較分析，得出由土體單元、接觸單元和筋材單元組合的塑料土工格柵加筋土非線性動力有限元分析模式的合理性。
  6. In this paper, a numerical simulation is conducted, which is based on the test data of the model experiment of sloping ground with the help of the marc program. when the bearing capacity characters of level ground and the foundations adjacent to or above slopes are analyzed, the effect is considered, which includes deformation moduli, density, poisson ratio, angle of internal friction, stress - strain relationship, slope angle, relative distance from the edge of slopes and relative depth of footings

    本文利用斜坡地基模型試驗的試驗數據，用marc軟體進行了斜坡地基模型試驗的數值模擬，分析了平地地基、臨坡地基和斜坡地基的承載力特性，研究了變形模量、容重、泊松比、內摩擦角、應力應變特性、斜坡坡度、基礎的相對坡頂距及其相對埋深等因素對斜坡地基承載力性能的影響。
  7. Based on the tribological principle and the theory of contact mechanics, it is feasible to adopt curvature - changing structure in the rock - bit journal bearing system. the structure and coupling relationship of curvature - changing journal bearing under the condition without friction have been analyzed and three kinds of sub - form structure configurations, namely, the pseudo - curvature - changing structure, the conformable curvature - changing structure, and the clearance curvature - changing structure, been differentiated according to the contacting features. the shape optimization and pre - running - in regulations of the contact surface of curvature - changing journal bearing under friction condition have been established. the results of rock bit journal bearing test indicate that the tribological behavior of the bearing can be effectively improved by curvature change based on both designing and pre - running - in

    基於摩擦學原理和接觸力學理論，提出了可在牙輪鉆頭滑動軸承中採用變曲率結構.在不考慮摩擦的情況下，就結構設計和配合關系等問題進行了分析討論，劃分了準變曲率、吻合變曲率以及間隙變曲率等3種結構形式；針對考慮摩擦時的變曲率結構，提出了接觸形狀優化和預磨合的實施方案.鉆頭軸承試驗結果表明，無論是預設計變曲率還是預磨合變曲率，都能改善軸承摩擦副的摩擦學特性，因而值得進一步研究和推廣
  8. A two dimension small scale force sensor is developed which is used in the adhesion and friction tests, the sensor works well in the experiments. elastic modulus of nine different polyester / silicon rubber mixtures is tested, the results show that mixtures ’ elastic modulus increases with the aggrandizing of mass percentage of polyester. mixtures ’ adhesion abilitiy and especially mixture a ’ s adhesion - friction relationship are tested. these results provide experimental evidences for the fabricating of synthetic gecko hairs. lastly, a primary analysis of nanoscale hair modle is done, some hair preparation method is introduced, and the synthetic gecko foot hair fabricated by model moulding method is tested

    測試九種不同配比聚氨酯/硅橡膠合成材料的彈性模量值，得出合成材料的彈性模量隨聚氨酯質量百分比增加而增大的結論;對九種合成試樣進行了粘著性能測試，對實驗結果進行比較分析和討論;對粘著力最大的a試樣進行粘著力與摩擦力關系的實驗，得出粘著狀態下a試樣摩擦力與粘著力成線性關系的結論。
  9. Based on the pull - out tests data between geogrids and expansive soil / sands arranged by the orthogonal table l9 ( 34 ), the following conclusions are reached : 1 ) the displacement - properties of pullout tests depend on the pullout speed. the law of factors " affecting degree, which influences the parameters between geogrids and soils in the pulling - out procedure, is obtained. with the concept of " equivalent pull - out displacement ( x ) " brought forward, the whole process of pull out tests is divided into two process - " main process ( when x 1. 0 ) " and " residual process ( when x 1. 0 ) ", and three stages - static friction resistance stage, slip friction resistance stage, and residual friction resistance stage

    基於正交設計表l9 （ 3 ~ 4 ）分別安排了影響因素與土工格柵膨脹土或砂土界面相互作用參數的拉拔試驗數據，獲悉： 1 ）拉拔試驗位移特性主要取決于影響因素中拉拔速率；通過分析並獲取影響因素對筋土界面相互作用參數的影響程度及其在拉拔試驗過程中的變化規律，提出了當量拉拔位移（ x ）的概念，並據此將拉拔試驗全過程劃分成「主過程（ x 1 . 0 ） 」和「殘余過程（ x 1 . 0 ） 」 ；且將影響因素對拉拔力或摩擦阻力系數的影響程度分成三階段（靜摩擦阻力階段、滑動摩擦阻力階段，殘余摩擦阻力階段） ； 2 ）不同（規范）定義的筋土界面摩擦阻力系數數值相差較大，但影響因素對摩擦阻力系數影響程度及其變化規律不會因不同（規范）定義而受到影響。
  10. Numerical simulation of the friction resistance of a flat plate by micro - bubbles

    微氣泡減少平板摩擦阻力的數值模擬
  11. Based on the review, the fluid flow and heat transfer in the curved circular and rectangular pipes have been researched by employing perturbation method and numerical simulation with a physical model under the rotational orthogonal curvilinear coordinate in a rotating curvilinear pipe with multi - parameters. we firstly analyzed the fully developed fluid flow and heat transfer, mixed convection heat transfer, the development of flow and heat transfer in the inlet in different cross section ( circular, elliptical, annular and rectangular crossection ). the variations of the secondary flow, axial velocity, distribution of temperature, the friction force on the wall, the ratio of friction factor as well as the nusselt number with different dimensionless parameters had been examined in detailed

    本文在總結和分析了一個世紀以來有關曲線管道流動和換熱特性的研究成果的基礎上，以旋轉正交曲線坐標系統下的多參數旋轉螺旋管道中的對流傳熱為物理模型，通過攝動方法和有限體積法，首次對各種截面（圓截面、橢圓截面、環形截面、矩形截面）旋轉曲線管道內充分發展流動的流動結構和傳熱特性（包括耦合對流傳熱特性）以及旋轉曲線管道開口段發展流動的流動結構和換熱特性進行了系統的數值模擬和理論分析，詳細討論了各種無量綱參數對管道內軸向速度分佈、二次流結構、溫度分佈、壁面摩擦力、摩擦系數比以及管道nusselt數的影響，獲得了若干創新性成果。
  12. To avoid the effects of cosmetics and perfume, pearls should be the last thing a woman puts on before going out and the first thing she takes off after returning home. also, pearls are quite soft, so for the longest - lasting pearls choose those with thick nacre that can help them withstand wear over time. the best way to care for pearls is to wear them often because the body s natural oils keep them lustrous

    從報導的實例來看，由於珍珠緊貼人的頸部，它的有效成分可以經摩擦進入人體，珍珠對體液分泌有一定吸收能力，皮膚對珍珠中所含藥物成分也有吸收，乃至影響局部患處，起消炎治療作用至於能治療神經衰弱癥，是因為珍珠具有鎮驚安神作用，但珍珠項鏈如何起安神作用還值得具體研究。
  13. We person of this a few generation, get the pressure of transition and attrition, though be mo ke how, total however unavoidable should raise some of doubt to new way of life and value orientaton

    我們這幾輩人，受到轉型的壓力和摩擦，雖說是莫可奈何，卻總不免要向新的生活方式和價值取向提出些質疑。
  14. In this thesis summarize how to avoid and deal with the negative friction in designing and using. researches indicate : ( 1 ) the negative friction in pile will lead to large number of down load in some designs. this friction must be considered in design to avoid the sedimentation and destroy in the building

    研究結果表明： （ 1 ）在工程設計中，有些情況由於負摩擦力產生的下拉荷載數值相當大，在設計中應充分給予重視，以避免在使用中由於下拉荷載使樁的軸向荷載增加引起樁的沉降或不均勻沉降，而導致建築物的破壞。
  15. The 3d model of mold is analyzed in 3d fem by using ugh. base on the analyses result, some danger structure of the model have been found and some suggestions of the mold modification are given. since doing a lot of research about the 3d cadvcae technology, a 3dcad system of selecting mold for aluminum material have been developed and the method of analyzing the 3d model is provided in this paper

    然後，為了能真實地模擬實際生產過程，進行鋁與模具鋼在一定表面粗糙度、不同溫度條件、不同潤滑接觸狀態下的最大靜摩擦系數實驗，總結摩擦系數隨溫度變化的規律性和取值范圍；最後，應用ug 17 . 0三維有限元cae模塊進行模具三維力場分析，根據三維有限元的結果分析，對模具危險部分進行預變形的處理和優化，改善模具受力變形的狀況。
  16. Abstract : in this paper, first fe simulation algorithms for contact search, contact constraint, and the calculation of contact and friction loads were established based on the analysis for contact friction problem in sheet metal forming. then the fe simulation model for contact friction problem in sheet metal forming was set up. at last, the efficiency & amp; stability of this model was proved to be satisfactory by the comparing numerical example and experiment results of skin stretch forming

    文摘:本文在分析了板料成形過程接觸摩擦問題特點的基礎上，提出了接觸搜索、界面滑動約束、法向接觸力以及摩擦力計算等問題的有限元模擬演算法，建立了板料成形過程接觸摩擦問題的有限元模擬模型，最後通過數值算例與飛機蒙皮拉形模擬試驗結果的比較，驗證了此模型計算精度及數值穩定性良好。
  17. The result of nanoscratching modeling showed that the load on the sample and friction force increased linearly at the initial stage. the load on the sample and the friction force increased suddenly when the film hardened

    納米劃痕實驗的數值模擬表明， ti - dlc膜在壓頭劃痕初始階段，縱向載荷和摩擦力都呈線性緩慢增加，在某一點發生突變，這時膜發生了硬化。
  18. The response calculation of labyrinth gas seals with damping sleeve is done by the time - frequency transition method, which includes of the merits of harmonic balance method, dynamic softness method and tracking motion method

    採用一種將柔度系數法、諧波平衡法與求解摩擦力的數值跟蹤法相結合的時頻轉換方法，對帶阻尼套筒的蓖齒封嚴結構的響應進行計算。
  19. 2, the friction coefficient at the pitch point is not a monotonic quantity of the rational speed or the load, instead of having a maximum value. and the value of the friction coefficient is very small, its order of magnitude only being 10 - 3. so, it is reasonable that the friction force on teeth surfaces are ignored when the gear - driven contact fatigue strength is designed

    2 、當輪齒在節點嚙合時，隨著轉速或載荷的變化，齒面摩擦系數並非呈單調變化，而是存在極值點;節點嚙合處的齒面摩擦系數很小，其數量級為10一， ，因此在做齒輪強度設計時，忽略齒面摩擦力的影響是有理論根據的。
  20. The results show that the frictions caused by the wall of shear box will influence the distributions of stresses in specimens and the normal pressure stresses on the shear plane

    結果表明，剪力盒壁摩擦力將會影響試驗土樣中的應力分佈和剪切面上的正壓應力值。
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