簡化應力 的英文怎麼說

中文拼音 [jiǎnhuàyīng]
簡化應力 英文
reduced stress
  • : Ⅰ形容詞(簡單) simple; simplified; brief Ⅱ動詞1 (使簡單; 簡化) simplify 2 [書面語] (選擇人才...
  • : 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...
  • 簡化 : simplify; facilitate; idealization; dilution; simplification; reducing; simplifying; [自動化] red...
  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,從等效均的角度來考慮錨桿對圍巖的加固作用,並推導了在單荷載作用下,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,對錨桿支護結構的場、位移場的變規律進行了研究,分析了加錨支護對隧洞圍巖、變形的影響。
  2. When analyzing the intensity of the drum with the simple numeration and the analogism or the shell theory, the calculative result is not very precise and it " s difficult to describe the nice change of the stress distinctly

    採用粗略的計演算法及類比法或者用板殼理論等方法對滾筒進行強度分析,計算結果不是很精確,的細微變也很難描述清楚。
  3. With the help of the electronic computers, engineers employ it to figure out nearly all kinds of engineering problems ranging from astronavigation, construction, waterpower projects, ship - building and mechanical engineering etc. owing to the strong power of finite element method, one kind of software pack which based on the method is exploited and named algor feas to resolve problems on structure analysis for trusses and shells. this paper also employ algor feas software pack to analyze and compute the cableway towers, giving the accurate result on stress and displacement both in location and whole. finally, we also bring out some advice on structure improving

    在此分析過程中:首先將物理模型學模型,主要是將塔架結構按空間桿單元為空間桁架結構,目的是將學模型變換為數學模型;這一過程主要是利用autocad2000建立塔架的計算模型;再者,利用algorfeas軟體包讀入autocad建立的塔架計算模型生成初始數據卡利用計算機進行編程進行風載計算,再將計算結論整合入algorfeas產生的初始數據卡中,生成計算數據卡;接著,利用algorfeas軟體包計算塔架在不同載荷情況下的圖,位移圖,並且求出在不同載荷條件下的最大位移和最大等;然後,對塔架的穩定性進行分析;最後;根據計算結果提出改進建議。
  4. By analyzed interactions of combined limit pipe load components, simplified check formula for pipe load strength are put forward and the calculation method of relevant allowable pipe load values based on shell finite element analysis is presented as well

    通過對組合極限接管載荷分量相互關系的分析,提出了接管載荷強度驗算公式和以殼結構有限元分析為基礎的許用接管載荷計算方法。
  5. On the basis of investigations into the progressive yield process and the possible failure modes of rcc gravity dams, the quasi - elasticity design limit state of the ctrtical stability criterion is proposed and the real working state of the dams designed according to the ctriterion is discussed. a check formula using the material strength reducing factor as the safety index and a simplified formula similar to against sliding stability fromula are derived. finally, the corresponding design safety factors are given by using fem calculations with various influence parameters to be taken into account

    本文在研究碾壓混凝土重壩漸進破壞過程和可能失穩方式的基礎上,提出了以準彈性臨界作為穩定臨界準則的設計極限狀態,分析了按該準則設計的大壩的實際工作狀態,導出了以準彈性強度儲備系數為設計安全指標的審查公式以及形式與抗剪斷公式相同的公式,探討了定量計算考慮各種因素影響的相設計安全系數的合理取值,並與現行規范方法進行了比較
  6. The model contains nose rail, wing rail, locking hooks and all relative components. the crossties are simplified as elastic foundations. thus, the model reveals the real working state of the locking hooks

    論文中採用的計算模型包括心軌、翼軌、鎖閉鉤等幾乎所有的相關部件,沒有建模的枕木及地基也做了相處理,並引入到了邊界條件中,比較真實地反映了鎖閉鉤的真實受狀態。
  7. The classical frequency - domain theory forms a basis of bridge vibration analysis, however such method has some limitations. some literatures show that the time - domain analysis method has advantages for vibration analysis. because of the research on time - domain vibration analysis developed only in recent years and the theory is n ' t perfect enough, it needs to be made further investigation

    經典的法存在一定的局限性;反譜法為中、小跨橋梁的抗震設計提供了廣泛的用,但對解決大跨度橋梁的線性與非線性問題存在明顯不足;時程分析法由於該領域的研究起步較晚,目前的理論和方法還不甚成熟,有待于進一步深入研究。
  8. Strip - shape underground structures such as the tunnels and tubes for various uses can be treated as a beam on elastic foundation under earthquake condition , although there exists soil - structure interaction , the foundation soil vibration is dominant in other words , analysis of earthquake response of the soil is essential to this end , simplified models , ( i. e equivalent mass system models based on some equivalence criteria ) are proposed , instead of a general 3 - d continuum model in this study , equivalence criteria are proposed and the simplified models are compared the single - mass - string model is proved to be valid and therefore applied to the analysis of earthquake response of the pearl river immersed tunnel

    條裝地下結構如隧道、各種埋設管道等一般可看作彈性地基梁進行靜及動分析在地震條件下,結構與土相互作用,但土的振動成為主要因素為分析土的地震響需把基土這一三維連續體作處理,成為等效多質點模型本文著重探討這種模型的建立方法,推導等效方程,通過幾種體系的分析比較,論證單質點串體系的合理性,並將其用到廣州黃沙芳村珠江水下隧道工程的地震響分析,為抗震設計提供依據
  9. 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摩擦驅動原理做深入分析,將其為二元摩擦振子模型,通過對二元摩擦振子性質的討論,對用摩擦驅動原理的球基微操作器的運動狀態,動學特徵,優設計,頻響問題以及控制方式進行深入分析。
  10. Stress variation research of external tendons under live load in simple beam bridges

    支梁橋體外預筋受活載作用的
  11. Abstract : a conclusion has been proved indelail that only if the na tural frequency k of a symmetric structure is nota duplicate root, the vibra tion mode of the strusture must be symmetrical orantisymmetrical. this conclusio n is advantageous to simplify the structural dynamicanalysis and pratically usef ul

    文摘:給出了有關對稱結構體系的動特性的一個結論:對稱的結構振動體系,對于任一非重根的自振頻率,其主振型必定是對稱的或反對稱的.並給出了詳細的證明.用這個結論,有利於對稱結構動分析的,具有實用價值
  12. Calculation method of losses in prestress

    損失計算及其
  13. ( 3 ) in main stress trace protraction, based on the character of main stress trace, propose an automatic method

    ( 3 )研究了一種便快速的主跡線自動繪制方法。
  14. Many studies in the related area of stress corrosion or subcritical crack growth use simplified test systems.

    許多有關腐蝕或亞臨界裂紋發展領域的研究使用了的試驗系統。
  15. The work in this thesis mainly includes following parts : 1. as for box girder cross section, the three - bar stimulation method under typical loads and supports has been introduced. the force and stress formulae for flanges have been derived from the three - bar method. by reasonable simplification for multi - cell box girder, the three - bar method has been applied in multi - cell box girder ' s shear lag analysis

    對于箱形截面主梁,本文介紹了三桿比擬法上、下翼板中比擬桿的計算公式,以及在典型荷載和支承的情況下翼板內各桿的計算公式,並對多箱式主梁截面進行合理,使三桿比擬法用於多室箱梁的剪滯分析。
  16. The behavior of capping beam that joints single rank of piles, which nowadays is widely applied to the construction in china, is complexly influenced by many factors. while conversed continuum beam pattern is primarily adopted in existent design methods to predigest computations, it still lacks of satisfaction as a result that it could n ' t reflect on the variance of piles and the infection of soil

    條形樁基連續承臺梁在我國現代建築工程中用極為廣泛,其受影響因素極為復雜,現行設計大多採用倒置的連續梁模式進行計算,其無法考慮基樁的差異性以及地基土體對承臺梁的影響,計算結果難以令人滿意。
  17. Meanwhile, according to the reduced theoretic of the open - web truss, the strength simplification computational method are proposed, and in comparison of the theoretical calculating value with the tested one and the behavior analysis of the tested beams during the process, the hypothesis and the theory of the beam are verified and the stress distribution of the circular hole castellated beam is also obtained

    通過費氏空腹桁架計算理論值與實測值的對比分析以及對試驗梁在試驗過程中的性態分析,驗證了理論計算及各項假設的正確性,分析得出圓孔蜂窩梁圓孔周邊分佈特徵;並通過撓度分析,提出了實用的計算式。
  18. Then i discussed methane desorption properties including cbm - bearing saturation, critical desorption pressure, the ratio between critical desorption pressure and original coal reservoirs pressure and difference of terra decompression ; cbm - bearing characteristics of coal seams including measured / academic cbm - bearing content, coalbed methane resources content and cbm resources abundance, etc. the author respectively gave a brief account of the basic characteristics of ancient and today ' s geothermic field at 1000m and 2000m depth, coal measure strata pressure field at the depth less than 1600m, structural stress field from jurassic to present, and ancient and today ' s fluid potential field ( that is water potential and gas potential distributing in coal measure strata )

    分別述了準噶爾盆地1000m及2000m深度今古地溫場、 1600m以淺的煤系地層壓場、侏羅紀至今地場及煤系地層水勢與氣勢分佈的今古流體勢場基本特徵,進而對這「四場」特徵及其互動關系與煤儲層物性、可采性及煤層氣聚集的關系進行了探討。從構造背景、構造演及構造類型幾方面論述了本區構造作用的控氣特徵。
  19. Based on plane section assumption, this paper presents the methods of calculating the ultimate strength of the columns strengthened with cfrp, and makes a simplification of the methods. a fortran program on nonlinear method is presented to numerically analyze the characteristics of large eccentrically loaded columns strengthened by longitudinal straps of cfrp, calculating results compare well with experimental data

    本文在平截面假定的基礎上分別推導了碳纖維布縱向粘貼大偏心受壓柱的正截面承載校核和截面加固基本計算公式,並對公式進行了相;運用fortran語言編制相程序對縱向粘貼碳纖維布大偏壓柱進行了數值分析,本文公式計算結果和程序計算結果均與試驗結果吻合良好。
  20. The aim of this paper is to relate structural inherent characteristic with exterior excitation, to wield experimental mode analysis technique and structure intension theory in order to separate structural leading mode under practical work state on base of spectrum analysis of exterior excitation and identification each rank mode parameter of structure. sequentially, the issue of space complex stress state in effect of static and dynamic coupling transforms into the issue of simple stress state ( under mode form ) in reciprocal effect of each rank mode in order to analyze structural dynamical intensity

    將結構本身的固有特性和外部激勵聯系在一起,運用實驗模態分析技術和結構強度理論,在對外部激勵進行譜分析和識別出結構各階模態參數的基礎上,分離出實際工作狀態下結構的主導模態,從而將一靜動耦合作用下的空間復雜狀態問題轉為各階模態相互作用下的狀態(模態形態下)問題進行結構動強度分析。
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