連結介質理論 的英文怎麼說

中文拼音 [liánjiējièzhílǐlún]
連結介質理論 英文
theory of continuous media
  • 連 : Ⅰ動詞1 （連接） link; join; connect 2 （連累） involve （in trouble）; implicate 3 [方言] （縫） ...
  • 結 : 結動詞（長出果實或種子） bear （fruit）; form （seed）
  • 質 : Ⅰ名詞1 （性質; 本質） nature; character; essence 2 （質量） quality 3 （物質） matter; substance;...
  • 理 : Ⅰ名詞1 （物質組織的條紋） texture; grain （in wood skin etc ） 2 （道理;事理） reason; logic; tru...
  • 論 : 論名詞（記錄孔子及其門徒的言行的「論語」） the analects of confucius
  • 連結 : concatenate; joining-up copulation; structural connection; junction; anastomose; attachment; bond
  • 理論 : theory
  1. Moreover, popularizing such system is expected. the following works have been fulfilled within this thesis : first of all, based on the general principle of virtual displacement of nonlinear continuum mechanics, the geometric and material stiffness matrices is presented, several examples show that both of them can give out accurate result

    本論文主要完成了以下工作：首先，根據連續介質力學理論構造出的交錯桁架結構空間單元的幾何剛度矩陣和彈塑性剛度矩陣，算例分析表明這些矩陣能準確地計算出結構的空間二階效應和空間單元彈塑性桿端力增量，計算結果具有良好的精度。
  2. The calculation model about the runner system of the downsprue of metal - powder injection molding ( mim ) and the finite element analysis of injection parts molding have been established. the analogue analysis of the molding process of metal - powder injection molding has been made and draw some correlative conclusion

    基於連續介質理論和有限元理論，建立了金屬粉末注射成形澆注系統的流道和注射件成形有限元分析計算模型，並對金屬粉末注射成形過程進行了模擬分析，得出了相關的結論。
  3. Bone will produce electrical potential when subjected to deformation. it is necessary to research the role of the potential in bone growth, remodeling. according to the physiological structure of bone tissue, the biphasic porous medium model, which is based on the mixture theory in continuum frame, is established to depict the distortion and stress field of bone matrix, the flowing field and the resulting electric field when the bone tissue is subjected to outside force

    =由於骨內應力能夠產生電位並促進骨的發生和重建，為明確其作用機理，論文在連續介質力學框架內的混合物理論的基礎上，根據骨組織的生理結構特點，應用兩相多孔介質模型來描述骨組織在受外界作用下的變形場、應力場、流動場以及由此產生的電場。
  4. The development of finite strain consolidation theories based on continua mechanics and mixture theory is detailed and the differences and consistency between these theories are remarked on

    介紹了基於連續介質理論和混合物理論的大應變固結理論的發展，論述了兩種一維大應變固結理論之間的差異及其一致性。
  5. The dissertation refers to comparatively full literatures in the field of vsc, and the development history and characteristics of vsc are summarized, and the elementary concepts, elementary definitions, elementary properties, elementary principles and design methods are particularly introduced, and the causes of the chattering phenomenon are systematically analysed, and the study status of the chattering phenomenon and the main methods to eliminate the chattering are elaborated. for the deficiencies of traditionary methods, three improved methods are developed, which are improved exponent reaching law solution, variable boundary layer solution and the solution by adding an auxiliary continuous control term. for uncertain linear systems, an adaptive fuzzy integral variable structure control stategy ( afivsc ) is put forward to eliminate the chattering around the sliding plane, which introduces fuzzy logic to soften the non - linear discontinuous sig nal in the control variable and utilizes adaptive theory to adjust output membership function according to how much the uncertainty of the system is

    比較全面地查閱了關于變結構控制理論的文獻，總結了滑模變結構控制的發展歷史和特點，詳細介紹了變結構控制的基本概念、基本定義、基本性質、基本原理以及設計方法；系統分析了變結構控制系統抖振產生的機理，並闡述了國內外目前對抖振問題的研究現狀以及消除抖振的主要方法；針對傳統抑制和消除抖振方法的不足，改進了傳統方法，得到了三種新的消除抖振的方法? ?即改進的指數趨近律法、可變邊界層法和附加連續項法；針對不確定性線性系統，在變結構控制策略中引入模糊邏輯和自適應理論來消除滑動平面上的抖振，提出了一種自適應模糊積分變結構控制方案（ afivsc ） ，利用模糊邏輯來柔化控制量中非線性不連續部分，採用自適應理論，根據系統不確定性大小在線調整模糊輸出量的隸屬函數，另外，鑒于模糊控制本質上是有靜差的，所以本文選擇了帶積分項的切換函數，由於積分項的存在使系統較正為無靜差系統。
  6. As it is difficult to obtain the accurate analytical solutions for the stress constraints of general 3d cracks, we have conducted systemically detailed researches on the out - of - plane stress constraint by finite elements ( fe ) and proposed a two - parameter description of non - through thickness 3d crack fields. several problems in damage tolerant design were also investigated based on continuum mechanics and probability theory

    三維應力約束對精確預測結構破壞不可缺少，因此，本文採用三維有限元等方法基於連續介質力學、概率論等理論，對典型三維裂紋尤其是非穿透裂紋系統深入地開展了三維應力約束理論計算、三維裂紋端部應力場描述以及結構三維損傷容限設計的研究。
  7. The measured results of settlement depth for foundations with different breadth, soil deformation area around pile and foundation, interaction coefficient of double pile and load distribution on pile top beneath cap illustrate that the effects of interaction of soil - soil, pile - soil and pile - pile are obviously lower than elastic theory values

    不同基寬壓縮層深度、基礎和樁側土變形范圍、雙樁相互影響系數以及樁頂荷載分佈的測試結果說明，土土、樁土、樁樁相互作用效應較連續介質彈性理論值明顯弱化。
  8. Currently, researchers from home and abroad usually use simplified models in the aseismatic analyses of immersed tunnels, which can not properly simulate the two functions of the soil, while the finite element method solves this problem successfully, and the development of numeric calculation and computer technology lays a solid basis for its application, it is a pity that the applications of fem is not common currently

    目前，國內外對沉管隧道進行抗震分析時，大多採用簡化計算模型，將土的作用以等價彈簧和阻尼器代替，不能適當模擬土既是地震波的傳播介質又是結構物的支承介質的雙重作用。動力有限元法的連續介質模型很好的解決了這一問題，數值計算理論和計算機技術的發展為該方法的應用奠定了堅實的基礎，然而，目前這方面的應用還很少。
  9. Then the solving procedures of these bies by the rwg functions based moment method are elaborated, and the method of modeling complex objects built of arbitrary line, surface and volume structures is developed. in order to solve realize antenna and circuit problems, methods of adding excitations and concentrated loadings with moment method are deceloped, and matrix pencil ( mp ) method is used to deembeded the s prameters of antennas and circuits from the computed current distribution. some numerical results of practical complex antenna and scattering problems are presented to illustrate the veracity and effectiveness of the method

    在第一部分中，首先從電磁場的基本理論出發，基於等效原理和邊界條件以統一的方法建立了用於分析金屬、介質及金屬與介質混合結構的邊界積分方程，並歸納和比較了各類積分的適用范圍和優缺點;在此基礎上，給出了使用基於rwg函數的矩量法求解各種邊界積分方程的一般過程;研究了具有任意線、面、體組成的復雜結構的電磁建模方法，並給出了各種多面連接情況下基函數和未知量的選取方法;研究了使用矩量法分析電路、天線問題時集總元件和激勵源的處理方法，並基於矩陣束方法（ matrixpencilmethod ）提取了電路和天線問題的s參數;最後通過分析一些工程中的復雜金屬天線問題和具有「金屬與介質混合結構」的散射和天線問題驗證了方法的準確性和高效性。
  10. The large strain constitute equations are derived according to nonlinear continuum mechanics, the rate of jaumann stress and the theory of boit consolidation on account of the limitation of small strain theory in hydraulic fill, soft ground and large displacement projects

    考慮小變形分析法在吹填土、軟土地基和大位移問題上的局限性，從非線性連續介質力學出發，採用jaumann應力率和boit平面固結理論，推導了大變形本構方程。
  11. At the meantime, the rock mass may alternate between loading and unloading and it exists in certain kind of liquid, such as surface water, unconfined water, confined water etc for its intrinsic crannies. the practical rock mass concerned project must solve the key stability pr oblem after the understanding of the complicated mechanical characteristic and the deformation trends to guide the following project design and construction for the demand of security, economy, feasibility and validity. however, the intrinsic nonlinearness and complexity of the engineering rock mass become the main difficulty to predict the stability and deformation, the corresponding structure design must ensure enough safety with all the determinate or random force combination, so a model without the geometry distortion and constitutive equation warp is necessary to be built for the quantificational analysis of practical structure ' s stress, for the simulation of the real process and for the determinate evaluation system and optimization

    由於實際工程巖體其固有的非線性和復雜性，使得求解對應的諸如其穩定性、變形等問題面臨較大的困難，而有關的工程結構的設計必須保證該結構在外來因素的作用下具有足夠的安全度、經濟性和合理性，這必然要求對巖體及其工程結構的受力與變形有一套量化評判體系和優化技術，抓住實際工程問題的本質特徵並建立可行的符合幾何模擬、本構模擬、受力模擬、過程模擬四原則的求解模型，通過該模型的數值模擬成果來指導巖體工程的設計、施工及運營、管理；而巖體結構面的存在使得基於傳統連續介質力學理論的理論分析和數值模擬面臨巨大的挑戰，物理模擬的試驗周期和成本也大大增加，而巖土體工程問題則成為典型的數據有限、了解程度有限類問題，這類問題的解決需要綜合應用理論分析、經驗判斷、物理模擬和數值模擬等方法，數值模擬可以完成目前許多技術手段無法完成的實驗，如參數控制，復雜條件下的邊界條件的處理，同時數值模擬具有高可重復性，且數值模擬的成本和人力開銷等遠低於物理模擬，因此研究巖土體工程問題的流形元數值模擬方法是一項具有理論和實際工程應用價值的重要課題。
  12. Abstract : the paper presents a theoretical study on the thermal conductivity of frost formation on cooled flat plate under forced convection. taking the porous meditum as a physical model of frost layer, according to the theories of heat and mass transfer, the formula on heat conductivty of frost formation is derived

    文摘:研究水蒸汽凝華結霜過程在冷壁上形成的霜層的導熱系數，依據隨機管子多孔介質霜層模型，假設霜層是由孔隙空間與冰晶骨架構成的多孔介質，其中孔隙空間由隨機毛細管及連接管子的接頭形成，濕空氣中的水蒸汽在霜層的孔隙空間中擴散輸運並凝華結霜，根據傳熱傳質學理論，導出霜層導熱系數關系式。
  13. Derived from the elements of the continuum mechanics, the applied fatigue damage mechanics theory system of material is analyzed, and the corresponding rule of cumulative fatigue damage is built up. combined with the applied theory of fatigue damage, a damage mechanics model for high cycle fatigue is deduced

    從連續性介質力學的基本原理出發，分析了材料的應用疲勞損傷力學體系，建立了相應的損傷累積規律，並結合現有的疲勞損傷應用理論，推導出一個高周疲勞損傷力學模型。
  14. Based on the thoroughly review and summary in the progress history of the multiphase flows researching in recent fifty years, the thesis was made an advanced discussion on the wide foreground of the multiphase flows " study and application, and clarified some concept of multiphase flows " study. take gas - solid two - phase flows for example, the thesis discussed and classified the theoretical model of multiphase flows " study, that is continuum model, discrete particle model and pseudo particle model, and made a deep and detail discussion on the foundation, advantage and disadvantage about the three physical model. the thesis considered that all the mathematics models of the multiphase flows " study are based on the three physical models

    本文在系統、全面地回顧和總結近五十年來多相流研究發展歷史的基礎上，進一步論述了多相流研究和應用的廣闊前景；澄清了多相流研究中存在的一些模糊概念；以氣固兩相流研究為例，對多相流研究的各種理論模型進行了系統的分析、歸納和分類，從而把氣固兩相流研究的物理模型按其刻劃的尺度和屬性分為三類，即：連續介質模型（ continuummodel ） 、離散顆粒模型（ discreteparticlemodel ） 、流體擬顆粒模型（ pseudoparticlemodel ） ，並對三類物理模型賴于存在的基礎、長處和存在的問題進行了深入的分析、討論；同時指出，多相流研究的各種數學模型都是建立在以上三類物理模型的基礎上的，從而對各種數學模型的實質、優缺點和今後發展方向有了清晰的了解。
  15. In this paper, the calculating model for coupling function of water movement and heat conduction in subgrade is established based on the theory of continuum mechanics and the thermodynamics. the load function ’ s influence to frost heave is qualitative consideration in the model. the relationship of moisture content and temperature change with time and depth is calculated by use of matlab

    本論文基於連續介質力學和熱力學理論，建立了路基土的水分運移和熱傳導耦合模型，並定性的考慮荷載對凍脹性的影響，利用matlab數值計算軟體，求解出了路基土在凍結過程中的含水量和溫度在不同時間隨深度的變化關系。
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