摩擦應力 的英文怎麼說

中文拼音 [yīng]
摩擦應力 英文
friction stress
  • : 摩構詞成分。
  • : 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...
  • : 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...
  • 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模型理論,對錨桿支護結構的場、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、變形的影響。
  2. 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

    本文利用對和地震響進行付氏級數展開的方法導出了基底具有隔震系統的地震反。同時,文中從研究單質點結構的滑動振動慣性入手,進而對多質點結構體系滑動振動反進行探討,分別給出了結構滑動隔震的自身穩定條件。最後,本文利用ansys對基礎固定和基礎滑移隔震兩種工況進行了動模擬模擬分析,進一步證實了基礎滑移隔規律。
  3. The drive principle of the spherical manipulator based on friction is studied, and simplified to be a two - mass oscillator model, though which the dynamics characters, optimization, frequency respond, and the control strategy is studied. firstly, based on the former experiment, the investigation is on the dynamic characters of the friction drive principle

    論文將對球基微操器的驅動原理做深入分析,將其簡化為二元振子模型,通過對二元振子性質的討論,對驅動原理的球基微操作器的運動狀態,動學特徵,優化設計,頻響問題以及控制方式進行深入分析。
  4. A granular material designed for maximum stability should possess high internal friction to resist deformation under load.

    為得到最大的穩定性而設計的顆粒材料具有高內而抵抗荷載下的變形。
  5. The hyperbolic conservation laws with relaxation appear in many physical systems such as nonequilibrium gas dynamics, flood flow with friction, magnetohydrodynamics, etc. firstly, the thesis proves that there exists a unique global smooth solution for the cauthy problem to the hyperbolic conservation laws system with relaxation ; secondly, in the large time station, the thesis proves that the global smooth solutions of the hyperbolic conservation laws system with relaxation converge to rarefaction waves solution at a determined l ( p > 2 ) decay rate

    帶鬆弛項的雙曲型守恆律組出現在諸多的物理系統中。例如,非平衡態的氣體動學、帶的水流、磁動學等。本文首先證明,帶鬆弛項的雙曲型守恆律組的柯西問題的整體光滑解的存在唯一性;其二,證明了帶鬆弛項的雙曲型守恆律組的解與相的平衡態守恆律的稀疏波解在大時間狀態下的l ~ p衰減率。
  6. Skin friction stress

    表面摩擦應力
  7. Secondly, the static stress and strain characteristic of polymer - geogrid reinforced earth is summarized, the pulling stress distributing of the reinforced material in the earth walls, the interface characteristeric between the reinforced material and earth and the friction stress distributing between the reinforced material and earth are analysed

    然後,總結了塑料土工格柵加筋土靜變特性的一般理論,分析了塑料土工格柵筋材在擋墻中的拉分佈和塑料土工格柵與土的界面特性以及筋土間摩擦應力的分佈。
  8. The project of the experimental and theoretic research on friction reduction by microbubbles for high - speed ships, supported by the national natural science foundation of china ( no. 19772050 ), aims to study the key technology of air - jetting devices and its relevant problems, theoretically predict the law of bubble diffusing in the boundary layer and calculate the friction of the hull

    國家自然科學基金項目「高速氣泡船減阻試驗及理論研究」的目的在於研究高速氣泡船噴氣裝置的關鍵技術及其相關問題,並從理論上預測噴氣氣泡在船底邊界層的擴散規律和計算船體,為將這一技術用到實船上提供基礎。
  9. According to some hypothesis about tool surface, the relationship among the friction, roughness and hydrostatic stress was derived, and the limited hydrostatic stress was got when the sticky friction takes place

    同時,根據對工具表面的某些假設,推導了摩擦應力與粗糙度和靜水壓等之間的關系,並求出了發生粘著所需的靜水壓
  10. In accordance with problems in current forging manufacturing of wrenches, a new blocking plan is put forward in this paper. and corresponding devices is designed. it provides reasonable proposal for improvement of forging technology of wrenches forged by friction presses

    針對扳體現行鍛壓生產存在的問題,提出了新的制坯方案,並設計了相的工藝裝置,為在機上鍛壓扳體工藝的創新提出了合理的建議。
  11. Abstract : in accordance with problems in current forging manufacturing of wrenches, a new blocking plan is put forward in this paper. and corresponding devices is designed. it provides reasonable proposal for improvement of forging technology of wrenches forged by friction presses

    文摘:針對扳體現行鍛壓生產存在的問題,提出了新的制坯方案,並設計了相的工藝裝置,為在機上鍛壓扳體工藝的創新提出了合理的建議。
  12. Fluent can imitate relation curve about heat transfer coefficient k and re, friction resistance coefficient f and re, the isoline about dot metrix between velocity field and temperature grads field. it also drafts several operating mode simulated stream field, velocity and temperature grads field

    用fluent軟體擬合出傳熱系數與re關系曲線、系數與re關系曲線、速度與溫度場梯度點積值的等值線圖, nu較大的幾個工況的模擬流場、速度和溫度梯度場。
  13. And the constitutive model for the plasticity and damage description is further derived based on the hill ' s self - consistent scheme

    對bs11在典型輪軌接觸摩擦應力狀態下的響特性與損傷進行了分析。
  14. The magnitude of set - up is a noticed number. 2 ) the wave has improved the magnitude of bottom stress in the shallow water, and decreased the current velocity

    2 、在近岸淺水地區,考慮波浪作用后的底摩擦應力明顯增加,引起流速的減少及水位的減小。
  15. Obtained pre - tight and in the work process pressure distribution, the frictional stress, the elastoplasticity distortion and the stress distributed cloud chart and so on, and has carried on the thorough comparison and the analysis to the result

    得到了施加預緊和工作過程中的壓情況,摩擦應力,彈塑性變形和分佈雲圖等,並對結果進行了深入的比較和分析。
  16. By adoption this numerical model, the study has emphases on the effect of wave on the wind stress, wave on the bottom stress and radiation stress on the sea level. the study also has researched the effect of tide - surge to wave

    運用這個模式,重點研究了波浪對表面拖曳系數的影響;波浪對底摩擦應力的作用;輻射對潮汐風暴潮水位的影響以及潮汐風暴潮對波浪的作用。
  17. This paper studied friction stress distributed in processes of punch bulging, and deduced theory formula, the phenomenon about asymmetric reformation in processes of punch bulging is explained with the formula

    摘要從理論上研究了球形凸模脹形過程中正摩擦應力沿子午面( )方向的分佈狀況,進行了理論推導,根據推導結果對凸模脹形過程中出現的變形不均現象做出了解釋。
  18. In this dissertation, the effect of texture, heat - treatment, and hydrogen on the lcf behavior of zircaloy - 4 and the cyclic deformation behavior for zircaloy - 4, n18 alloy and n36 alloy have been investigated systematically using fully - reversed tension - compression loading under strain control ( r = min / max = - 1 ), while the evolvement of the friction and back stresses versus the number of repeated working cycles and the plastic strain amplitude has been studied, and the thorough discussion combined with the analysis result of fatigue sub - structure, friction and back stresses, and fatigue fracture has been given to the mechanism underlying the lcf behavior of alloys

    本文採用對稱拉壓循環變形方法( r _ = _ ( min ) _ ( max ) = - 1 ) ,系統研究了織構、熱處理狀態、氫對zr - 4合金低周疲勞性能的影響, zr - 4合金、 n18合金和n36合金的循環變形行為,並研究了摩擦應力、背隨循環周次、塑性變幅的變化規律。結合疲勞亞結構和疲勞斷口的分析結果,深入探討了影響合金低周疲勞行為的作用機制。
  19. In order to know the relationship between gas - content and pipeline ' s pressure drop, the thesis deduces the pressure drop calculating equations based on uniform flow pattern and separating flow pattern. the equations show that pressure drop is made up of three parts, that is, friction resistance effect, gas acceleration effect and the gravity effect. and the research has shown that the gas has little effect on pressure drop. in the horizontal pipeline, the resistance effect must be overmatched the acceleration effect

    為探討加入的氣體對管道壓的影響,本文基於分相流和均相流兩種模型分別推導了三相流管道的壓降公式,表明無論是分相流模型,還是均勻流模型,管道內流體總的壓降是由三項組成的,即項、加速項和重項,並得出了加氣對管壓變化不大的結論,所以認為在水平管道中,要獲得有效的減阻,則要使分量的減小效大於漿體加氣的加速效
  20. Synthetic analysis of soil restraint by prestressed concrete raft foundation reaction

    對預筏板基礎作用效分析
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