mechanics of material 中文意思是什麼
mechanics of material
解釋
材料力學-
Presents the investigation of the heat conduction behavior, internal thermal stress field of specimen under thermal shock and microscopic damage and failure of the tungsten based composites by combination of macroscopic and microscopic analyses and integration of material science and mechanics ; describes a microscopic mechanical model based on the microstructure of components with macroscopic stress applied to the microscopic model as that of maximum principal stress at the center, and the fringe of the specimen, and the microscopic stress fields obtained through calculation by the finite element method, and concludes from test results that the maximum principal stress is first generated inside the test coupon, and a failure will be first initiated in the inclusion if the material fails at this time ; the maximum principal stress moves to the edge of the test coupon after the test coupon is heated for a period of time, and the failure will first be initiated in the base if the material fails at this time
從材料設計的思想出發，採用宏觀與微觀、材料科學與力學相結合的方法，對鎢基復合材料的熱傳導行為、材料在熱沖擊載荷下的內部熱應力場及材料細觀結構的破壞行為進行了詳細的理論研究.根據鎢基復合材料的細觀組織結構建立了材料細觀模型.在宏觀分析的基礎上，分析了材料微結構內部的破壞行為.分別取試件心部與邊緣主應力值最大點的應力狀態，施加在所建立的模型上，用有限元方法計算了模型內部的彈性應力場.結果表明：試件主應力最大值首先產生在試件內部，此時，如果材料發生破壞將先從夾雜中開始；加熱一段時間后試件中的最大主應力值轉移到試件邊緣，此時材料發生破壞將先從基體中開始 -
In this article, several existing main compensation methods for the term of dynamic stiffening are reviewed ; describing method of material coordinate is introduced on the basis of the principle theorem of mechanics of continuum ; and the dynamic equation of flexible body is derived from nonlinear green strain tensor and kichhoff stress tensor, which are based on initial configuration
本文評述了現有的幾種主要的動力剛化項補償方法，根據連續介質力學的基本原理，引入物質坐標的描述方法，採用基於初始位形的非線性green應變張量和kichhoff應力張量推導柔性體的動力學方程。 -
Our strength is in the fact that based on the national standard and architectural aesthetics, the most suitably custom - made project is delivered to our customers by utilizing our professional understandings on human engineering, aesthetics, mechanics of materials and the material science, engineering mechanics, industrial design science, and graphics design
詳細說明我們能夠從建築學和美學的角度，綜合建築特色，企業文化，地域文化，行業特徵等因素，運用人機工程學，美學，材料學，工程力學，產品設計學，平面設計等專業知識，結合相應國家標準，為客戶量身定製出最適合的產品。 -
The strength is a main mechanics performance index of the concrete. it has always been a focus of material scientific research of concrete. models about mechanics characteristic of concrete were mostly the understanding based on material macroscopical level of concrete in the past. its main characteristic turns the material ideal with heterogeneous, nonuniform nature into the even, continuous body and carry on modeling. this kind simplified and met project practice ' s demands to a certain extent, but it is difficult to study the influence produced toward strength of material of structure of the microcosmic or the mescoscopic within the concrete material with this kind of method
以往有關混凝土力學特性的模型大多是基於混凝土材料宏觀層次的認識，其主要特點是把具有多相、非均勻性質的材料理想化為均勻、連續體進行建模，這種簡化盡管在一定程度上滿足了工程實踐的需要，卻難以用這種方法來研究混凝土材料內部微觀或細觀結構對材料強度所產生的影響，不能說明材料內部結構如孔結構變化時強度的變化規律，也不能用於指導如何改進材料的組成和微觀結構而達到提高混凝土強度的目的。 -
The emphasis of the mechanical engineering programme in the first two years is on the fundamental engineering science subjects such as thermodynamics, fluid mechanics, electrical electronics engineering, mechanics of solids, material technology, design, dynamics and control which are accompanied by the complementary studies in various disciplines. students have the opportunity to select
學生除學習與機械工程有關的基本學科外，更可選擇有關的應用科目，如：機器人機電一體化材料科學空氣和噪音污染能源工程輪機工程航空工程製造技術設計和自動控制等。 -
The lifetime and mechanics of pl are researched by fl920 time resolved measurement system. it indicated that pl lifetime of quantum dots is greater than those of bulk material and quantum well
利用fl920時間分辨譜測試系統研究了量子點的發光緣由及壽命，發現量子點的發光壽命大於體材料及量子阱結構材料，並且受溫度影響較小 -
Abstract : according to the probability fracture mechanics, distribution characters of some parameters related presure vessel and allowance failure probability are discussed in the paper, and then the probability calculation method of pressure vessel is analyzed in thd case of the two kinds of distribution of material strength. finally, one of the complete assessment methods, failure probability of pressure vessel, is introduced
文摘:應用概率斷裂力學的觀點，討論了壓力容器各有關參數的分佈特點及允許的失效概率，分析了材料韌性為兩種不同分佈時壓力容器可靠性計算方法，說明了進行壓力容器失效概率分析是全面評價壓力容器的方法之一。 -
In the mechanics of composites material the term homogenization indicates the passage from the micro to the macro scale to relate the mechanical properties of the composites material to the properties of the single phases
這種假定使我們在編織復合材料的強度和剛度性能分析中能採用均勻化理論數值模型。編織復合材料的均勻化過程提供了從材料微觀尺度的力學性能到宏觀尺度力學性能名義參數的橋梁。 -
It requests period of feeding goods to be short and worklosd of designing to be greet. it also comes down to many subjects, such as hot project, machine, mechanics of hydromechanics, mechanics of configuration, anti - fire material and environment protection. the traditional ways of design can not adopt drastic market competition, so it is anxious to corporation to change old mode quickly and improve the level of design and management
而它的設計開發方法不同於一般的機械產品，它除了完全按照訂單生產，要求供貨期短及設計工作量大以外，還涉及到熱工、機械、流體力學、結構力學、耐火材料及環境保護等多門學科，傳統的設計方法無法適應激烈的市場競爭，因此迅速改變舊模式，提高設計製造及管理水平，成為企業當務之急。 -
The substructure near the damage position was studied by ebsp, then vonbined with the relationship among substructure grain boundary sliding grain size and material deformation compatibility the mechanics of creep damage was discussed
使用電子背散射衍射技術研究了不同損傷位置附近的亞結構形成情況，結合亞結構、晶界滑移、晶粒尺寸與材料變形協調性等材料變形特點，對蠕變損傷機理進行了探討。 -
Because of complexity of the mechanics of bulk medium and the process of material taking, it determines the difficulty of principle study of gas and solid transportation, in order to master the main law of something clearly, the paper puts forward some necessary assumes, we design a model test - bed and take experimerftation to validate the feasibility of the project and the. validity of the theory
由於散貨介質力學及其散貨取料過程的復雜性，決定了其氣固二相流螺旋輸送與分離機理研究的難度，為了能夠清晰地抓住事物的主要規律性文中做出了一些必要的簡化假設，為了論證本方案的可行性及理論推導的正確性，建立了螺旋氣力吸取料機的模型試驗臺並進行了大量的實驗研究，並根據試驗數據對有關理論進行修正。 -
Due to the difference of material characters and mechanics performance between concrete structures and soils, it is necessary to pay great attention to model the interface element, simulate the soil behavior and the optimization of the finite elements to satisfy the numerical precision and the compatibility relation of the whole project
由於結構與土的材料特性，受力性能等方面的差異，為了滿足有限元計算精度和效率的要求，合理的反映結構與土體之間的位移協調，需要在結構與土體之間設置恰當的接觸面單元，正確的模擬土的本構關系，並盡可能地簡化結構的數值模型。 -
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。 -
The paper applies theories of material mechanics, elasticity mechanics and finite element analyses method
應用材料力學、彈性力學的理論和有限元原理，分析了管、土材料的材料性能和應力?應變關系。 -
The substance of problems in simulating the damage and failure processes of material under dynamic loading, such as impact and penetration, is that the mechanics model of material transfers from continuum to noncontinuum
材料在沖擊、侵徹等動載荷作用下產生損傷和破壞的過程，其實質是力學模型從連續體到非連續體的轉變過程。 -
At present, there is no one effective numerical computing technology come to deal with that the mechanics model of material transfers from continuum to non - continuum. our main research work is to try to improve dem to finish the work. no matter at domestic or overseas, the pre - processed and post processed of discrete element method is a weakness
鑒于目前還沒有一種有效的數值計算方法來對沖擊載荷下脆性材料從連續體轉變為非連續體的整個動態破壞過程進行模擬模擬，我們的主要研究工作就是嘗試改良dem法來完成這項工作。 -
This paper analyzes and designs the big - space rc thin shear wall residential structure, ! ! includes designs and analysis for shear walls by method of material mechanics and related software, columns, it is designed and analyzed for beams and slabs by theory of elastic and method of moment index, but it is principal for beams and slabs to compute deformation and crack. at last it is compared with three structrual types, although the cast of new structrual types is higher than marnoey structre. it has some merits. lt gives the theory base for design of resident
本文對大開間鋼筋砼薄壁剪力墻節能住宅結構進行了相應的結構分析設計；對豎向承重結構構件剪力墻、柱採用了材料力學分析方法及相應的軟體進行了內力分析及設計；對水平承重結構構件梁、板進行了內力分析及設計，主要進行了變形、裂縫的計算；對節能墻體進行設計；最後對三種住宅結構形式進行了建築經濟比較分析，雖然新型住宅結構高於磚混結構住宅，但新型住宅結構具有一些優點。 -
The theory and simulation techniques established in the paper is not only instructive for the low cost composite molding technology, but also is significant for the intersect development of material science and mechanics
本文的研究及其所建立的理論模型和模擬技術，不僅對rfi這種高性能復合材料的低成本成型技術具有理論指導價值，而且對學科發展特別是對材料學與力學的交叉發展具有重要意義。 -
In this paper, some studying work is done centering on deformed steel fiber toughening state. analyzing the using range of the theory of steel fiber reinforcing and toughening mechanics ( composite material theory, fiber spacing theory and interfacial bond theory ) during the failure course of stress of sfrc
本文圍繞異型鋼纖維增韌性能做了如下研究工作：分析了鋼纖維增強、增韌機理理論（復合材料理論、纖維間距理論以及界面粘結理論）在鋼纖維混凝土受力變形狀態下使用的范圍。 -
Also in this paper, we modify the control function object function and the separation condition of system, and point out more precise and more correct conditions. in the view of material mechanics and structural mechanics, we analyze the results we get and make them more persuaded
另外，本文還對前人工作中的目標函數、控制函數及系統解體條件進行了研究和改進，提出了更加準確、更加科學的目標函數、控制函數和系統解體條件，並且我們還對所得到的結果從材料力學和結構力學上進行了分析，使得所得結果更具有依據和說服力。
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