continuum theory 中文意思是什麼
continuum theory
解釋
連續介質理論-
Viscoelastic theory is a boundary science that depends on the development of mechanic and material science, it is one of the important parts of continuum mechanic
粘彈性理論是在力學和材料之間發展起來的邊緣科學，是連續介質力學的一個重要組成部分。 -
Academic motivation is a complex construct which is often classified qualitatively, but self - determination theory ( sdt ) describes motivation as a continuum with external regulation and intrinsic motivation as two ends, and then divides extrinsic motivation as four degrees which are embodied with four sorts of regulations : external regulation, introjected regulation, identified regulation, and integrated regulation
新近發展起來的自我決定論（ sdt ）把動機看作以外部調節和內部動機為兩個端點的連續體，並將動機劃分為不同層次來描述動機的內化水平，分別用四種行為調節即外部調節、內攝性調節、認同性調節和整合性調節來表示。 -
Finally, the atomic coherent population trapping is studied in a multilevel laser - induced continuum structure system including cascade two - photon processes by means of quasi - classical theory. the condition leading to the atomic coherent population trapping and the dark state are given explicitly. the effects of atomic initial state and the laser intensity on the populations distributed in the atomic bound states are discussed
我們還運用準經典理論研究了含級聯雙光子過程的多束縛態激光場誘導原子連續態結構系統中原子布居數的相干俘獲，給出了產生相干俘獲的條件及暗態的表達式，討論了原子初態和激光強度對原於布居數的影響，揭示了原子相干對穩定rydberg原子的重要作用。 -
The theory of continuum damage mechanics and the basic principle about neural network are introduced
主要對連續介質損傷力學和人工神經網路的基本原理進行了論述。 -
At last, an effective stress were calculated and compared with the really stress using the theory mentioned above. the third part is a discussion and prospect on the frozen soil study using fracture mechanics theory and continuum damage mechanics. all of the work are supported by nsf and sklfsa
最後對本文工作進行了總結，分別對凍土斷裂力學、損傷力學研究的發展與展望提出了自己的觀點與設想，指出將斷裂力學、損傷力學引入凍土力學研究至今還僅僅是初步工作，還需要進行大量的研究工作。 -
Most existing constitutive models do not take into account the interactions between different phases of pearlitic steel and cannot illustrate why such kind of materials has excerllent mechanical properties. it is, therefore, necessary to develop a new method, which can describe the macroscopic behavior, damage and failure of the materials and their micro structural dependence. in this paper, based on a non - classical theory of plasticity and the continuum damage mechanics, a damage evolution based on an ellipsoidal void model for mixed hardening materials is obtained
已有的關于珠光體鋼的本構模型多難以考慮珠光體材料的微結構及其相互作用，難以解釋珠光體材料何以具有較好的綜合力學性能，因此有必要發展一種多層次的細觀力學分析方法以研究此材料在復雜加載條件下計及微結構特徵的宏觀響應特性，使材料的強度、疲勞壽命的預測與其微結構及各組成相的損傷及微觀應力應變演化規律聯系起來，進而為材料微結構的設計提供依據。 -
Centered on the investigation on the evolvement of permeability as well as the coupling action between seepage and stress, the following work is carried out : 1. a further examination is given to classical biot seepage theory to discover the basic assumption to form the coupling seepage equation, and discuss the variety of coupling equations between seepage and stress and their adaptabilities. the physical meanings, adaptability, testing method of seepage parameters used in equation of continuum are analyzed based on the experimental investigations on complete relationship between stress, strain and permeability of rock and engineering test on permeability of rock at different depth
本文圍繞巖石破裂過程中滲透性的演化規律及其滲流-應力耦合作用機理這一課題，開展以下方面的研究工作: 1 .對經典biot滲流力學做了進一步的考察，揭示建立耦合滲流方程的主要假設，討論了各種滲流與應力耦合方程及數學模型的適用條件，通過巖石應力應變-滲透率全過程實驗研究和不同深度巖體滲透率工程試驗研究，分析了連續介質模型耦合滲流方程參數的物理意義、適用性、測試方法。 -
At the other hand, we can perform the rrpa calculation with the continuum replaced by a set of outgoing single particle resonances, it indicates that the resonances in the continuum play an important role in the description of nuclear dynamical processes, such as collective giant resonances. energies, widths and wave functions of the single particle resonant continuum are determined by solving scattering states of the dirac equation with proper asymptotic conditions for the continuous spectrum in the r ' elativistic mean field theory. the relativistic regular and irregular coulomb wave functions are calculated numerically
在進行相對論無規位相近似計算時將連續譜中所有的正能態用單粒子共振態來代替，並且在計算中採用單粒子共振態的真實寬度，利用這種方法我們計算了核的同位旋標量巨八極共振響應函數，並且和考慮了連續譜中所有正能態貢獻的結果進行比較，計算結果表明，連續譜中只考慮單粒子共振態對核的集體激發的貢獻時，給出的響應函數基本上能夠重現考慮了所有正能態貢獻時的計算結果，這說明了在核的集體激發中，連續譜中主要是單粒子共振態的貢獻。 -
In this paper, the more recent achievements about applications of continuum mechanics and discrete mechanics in the failure theory of rheological materials containing defects are briefly introduced by two examples
用兩個例子簡要地介紹了連續介質力學和離散介質力學應用於含缺陷流變性材料破壞理論的最新成果 -
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。 -
A program of shape optimization for two - dimensional continuum structures, which is carried out on msc. patran & nastran panel, is described in this thesis, according to a two - phase control theory presented by professor sui yunkang, the optimization is treated as a sequential quadratic programming problem
本文根據隋允康教授提出的二級控制理論，將二維連續體結構的形狀優化問題處理成序列二次規劃問題進行了優化。 -
Secondly, the nonlinear optical properties with pna molecule in different solvents are studied through using the polarized continuum model and few states approach on the base of time dependent density functional theory, and the first order nonlinear hyperpolarizabilities in second harmonic generation process are computed
然後在含時密度泛函理論基礎上採用極化連續模型和少態方法研究了不同溶劑中pna分子的非線性光學性質，計算了二次諧波振蕩過程的一階非線性超極化率，並討論了pna分子的非線性光學性質與溶劑極性之間的關系。 -
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。 -
To completely avoid producing elements jointed at their corner nodes and checkerboard patterns, which frequently occur when the topology optimization of plane continuum is studied, the theory of topology analysis of plane continuum in topology optimization process and the simple algorithm for programming are studied. according to algebraic topology theory, the boundary of elements and plane continuum are operated as a one - dimensional complex. by use of the adjacency vector in graph theory, the structural topology is described and the topological operation is achieved on a computer. by above, the structural topological feature in the evolutionary process is gained. these methods are effcient and reliable. under topology constraints, according to the results of stress analysis, by deleting elements and moving nodes at the boundary, more satisfactory results can be gained by using a few numbers of elements and iterations. to demonstrate the efficiency of these methods, solutions including some well - known classical problems are presented
避免目前平面連續體結構拓撲優化過程中經常出現的單元鉸接以及「棋盤格」等現象，研究了連續體結構拓撲優化過程的拓撲分析方法，以及在計算機上實現的簡便演算法.根據代數拓撲理論，單元及連續體的邊界作為1 -復形進行運算.利用圖論中的鄰接向量概念，在計算機上實現了結構的拓撲描述及拓撲運算，得到了結構在拓撲演化過程中的拓撲特性，方法簡單、可靠.在一定的拓撲約束下，根據應力分析結果，採用刪除單元、單元退化、移動節點等方法，可以用較少單元得到更為滿意的結果，提高計算效率.為演示方法的有效性，給出幾個包括常見經典問題的解答 -
This paper presents a review of the moisture transfer theories in porous media during drying processes in the last century. then an innovative pore network model in drying based invasion percolation theory and pore network theory essentially different from the classical continuum model is developed. moisture transfer characteristics in porous media during drying process are studied under isothermal and absence of gravity
本論文首先回顧了近一個世紀以來多孔介質在乾燥過程中內部濕分遷移理論，指出孔道網路理論在多孔介質乾燥研究中所具有的獨到優勢，繼而藉助侵入滲流理論所取得的成果，結合孔道網路理論，分析了乾燥本身的濕分遷移特徵，模擬研究了多孔介質在等溫條件下不考慮重力時的乾燥過程。 -
As a new technology and new mode in the next generation rear projection tv and hdtv, reflective lcd is the best way to realize bright light output and high contrast ratio image. in the forth chapter, the physical characteristics and electronic - optics behavior are studied, as well as the working principle and properties of lcds. following the continuum theory, the detail formulas for calculating the director alignment of perpendicular alignment and twist nematic lcds are given
高亮度、高解析度、高對比度以及體積小、重量輕、色彩豐富、圖像逼真始終是投影顯示技術的發展方向，在本部分，從亮度、解析度、重量和晶元闡述了投影機的技術發展趨勢，得出結論：反射式液晶投影顯示是實現高解析度高亮度投影顯示的最佳方案，也是新一代背投電視尤其是背投hdtv的最佳方案。 -
The threshold and saturation voltage are important technology parameters in lcd. in this paper, by linearization method of the continuum theory of nematic liquid crystal, we show the analyzed results of threshold and saturation voltage of ips mode with tilt angle and weak surface anchoring conditions
在液晶顯示器中，閾值電壓和飽和電壓是液晶顯示器的重要工藝參數，本文從連續體理論出發，同樣利用線性化處理的方法，給出弱錨定邊界條件下，有預傾角的ips型盒的閾值和飽和電壓的解析結果。 -
First of all, the whole damage field curves with toughness that selected as the fatigue damage variable was measured, then on the basis of frame of nonlinear continuum fatigue damage theory, the expressive form of fatigue damage parameter was decided by means of the tested curve data, and a new nonlinear fatigue damage cumulative model was proposed
摘要首先以韌性為損傷變量進行全域損傷曲線測試，以非線性損傷理論框架為基礎，用測試曲線數據確定損傷變量參數表達形式，得到非線性連續疲勞損傷模型。 -
In this paper, according to the continuum theory of ericksen - leslie, we aquire the equation of the motion for the director and the velocity in nematic liquid crystal
本文從ericksen - leslie連續體理論出發，經過細致嚴格的推導，得出液晶指向矢與流速的關系方程。 -
Continuum theory of nuclear reactions
核反應連續理論
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