正交應力 的英文怎麼說
中文拼音 [zhēngjiāoyīnglì]
正交應力
英文
direct stress- 正 : 正名詞(正月) the first month of the lunar year; the first moon
- 交 : Ⅰ動詞1 (把事物轉移給有關方面) hand over; give up; deliver 2 (到某一時辰或季節) reach (a cert...
- 應 : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
- 力 : 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...
-
In accordance with the problem that the fcm algorithm is quite time - consuming for search out cluster cancroids and may not be suitable for on - line modeling and control. this dissertation proposed an improved fuzzy identification method based multistage random sampling fuzzy c - means clustering algorithm ( mrfcm ). it has higher approximate precision and the cpu time has slowed down sharply compared with the common fuzzy
Johnyen和liangwang介紹了幾種應用於模糊模型的信息優化準則,本論文在此基礎上對統計信息準則進行一些改進,並與快速模糊聚類和正交最小二乘方法結合,提高了模型的辨識精度和泛化能力。The paper is based on innumerable practical heavy - load road data, deliberate heavy - load standard in detail through theoretical arithmetic, and bring heavy - load standard about cement concrete pavement and asphalt concrete pavement separately ; in the meantime, through a large quantity of cement concrete pavement stress calculation, the paper puts forward relation expression between load on concrete board and stress level under board ; meanwhile, the paper puts forward traffic classification about cement concrete pavement and asphalt concrete pavement ; through bearing board testing on each structure sheaf the paper finds the material modulus gets modified ; through comparing position equivalent rebound modulus to theoretical equivalent rebound modulus, the paper points out limitation of nomograph in course of cement concrete pavement design, whereby, puts forward modifier formulas about theoretical equivalent modulus
本文以大量的重載道路資料為主,從實際出發,結合理論計算,對重載標準進行了詳細的討論,分別給出了水泥混凝土路面與瀝青混凝土路面的重載標準了;同時,通過大量的水泥混凝土板底應力計算,推導出了混凝土面板荷載與板底應力水平的關系式;給出了水泥混凝土路面與瀝青混凝土路面的交通分級;通過對試驗路各結構層進行承載板測試,發現現有材料模量較以前有了明顯的提高;對比現場實測的當量回彈模量與理論當量回彈模量,指出現有水泥路面設計中的諾謨圖不能完全符合現有道路材料,從而提出了對理論模量的修正公式。Calculation and research of normal section strength of prestressed concrete skew hollow slab
預應力混凝土斜交空心板正截面強度計算研究A general solution to orthotropic material plane problems
正交異性冪強化材料的平面應力應變分析Fracture criterion of - mixed mode crack for orthotropic plate
正交異性板復合型裂紋相對周向應力斷裂準則Analysis of transient thermal stress in cylindrically orthotropic tubes
圓柱正交各向異性圓管瞬態溫度應力分析Reveals the objective necessity of the sole existence of absolute reference system 0 : the effect of clock losing and ruler contracting of any material system in motion with respect to 0 is the objective real physical change ( the real effect ) of this material system in motion, and the physical time and space ( the effect of motion ) is the unity of opposites between the external form of relativity correctly described by the special theory of relativity and the absolute internal essence with the objective sole existence of 0 as the basic marking, points out the errors of the general theory of relativity from the results above and the basic facts of gravitational field, and expounds the gravitational field is a real - time hollow field of motion in essence, and the physical time and space is the unity of opposites between mutually perpendicular images of void and real time and space of 4 dimensions each, understanding the absolute essence of the lorenz effect or not is the demarcation line between new and old views of time and space, and sets forth the theoretical gist of the time and space views of unity of opposites and the internal unity among the macroscopic level and straight time and space, the bent time and space in gravitational field, and the superimposed time and space in guantum state
揭示了絕對參照系0唯一存在的客觀必然性:任何物系相對於0的「運動鐘慢、尺縮效應」 ,都是該運動物系客觀上具有蹬真正的物理變化( 「真實效應」 ) ;進而揭示了物理時空(運動效應)是具有狹義相對論所正確描述了的相對性外部形式和以0客觀上唯一存在為基本標志的絕對性內在本質的對立統一運用上述結果和引力場的基本事實,論證了廣義相對論的錯誤;闡明了引力場本質上是一種實時虛空運動場;揭示了物理時空是互為正交映象的虛實各四維時空的對立統一闡明了對洛侖茲效應絕對性本質的認識與否,是新舊時空觀的分水嶺;闡明了對立統一時空觀的理論梗要和宏觀平直時空、引力場彎曲時空與量子態卷迭時空之間的內在統一性There exists some malpractices for our traditional civil executive systems in power installation, management and operation, and it should be restructured according to the division theory of administration and rights - and - obligations in the civil executive power : under the condition that executive power is still installed in courts, administrative executive departments should be set up for its full implementation, separate implementation is also encouraged according to the different natures and characteristics of executive and adjudicative powers, and its implementation should be handed to the intermediate courts or higher to guarantee the justice of adjudication
我國傳統的民事執行制度在權力的設置、管理、運行等方面存在弊端,應依據民事執行權的行政權屬性和權能劃分的理論進行重構:在執行權仍配置於法院的前提下,設立行政化的執行局專司執行,並按照實施權和裁決權的不同性質和特點實行分離行使,為保證裁決權的公正性,應統一交由中級以上人民法院行使。In chapter 2, based on generalized characteristics theory, characteristic analysis is carried out on the problem of stress wave propagation in orthotropic fluid - saturated porous media under longitudinal impacting
在第2章中,根據廣義特徵理論,對正交各向異性液飽和多孔介質在縱向沖擊載荷作用下的應力波問題進行了特徵分析。Study on stress concentrations and strengths of notched cross - ply laminates
割口正交疊層板的應力集中及強度In this thesis the generation of orthogonal - aligned - shaft face gear, finite element analysis ( fea ) of the bend stress and contact stress of the fg drive are studied
本文主要研究了正交面齒輪的齒面生成、正交面齒輪傳動的彎曲應力和接觸應力的有限元分析。This article describes the development process of surrogate models and introduces some experiment design methods and approximation approaches that can be used for a mdo surrogate model, they are full factorial experiment design, orthogonal experiment design, uniform experiment design, central - composite experiment design, and polynomial response surface method, kriging method, radial basis function method and artificial neural network
為此本文中分別介紹了正交試驗,均勻試驗以及中心復合試驗等幾種試驗設計方法,以及多項式響應面, kriging ,和徑向基函數等幾種數學近似方法。並且通過構造描述機翼展向升力分佈的代理模型,對上述幾種方法作了對比分析。It has been maked for immediate and statistical analysis that the calculation about the work order parameter of the base - bleed - rocket is calculated in the taguchi method, its influencing trend is bring out in the open, the theoretical base is settled for confirming the greatest combination about the work order parameter of the base - bleed - rocket. the multi - objectile optimal design model is established that the indexes have been taked into account first and synthetically, such as physical parameter range lethality power strength and flight stability and so on, the program is compiled and the example is calculated. the true worth of the theoretical work in this paper is validated by flight experimentation of 130mm hybrid base - bleed - rocket extended - range principium projectile
本文進行了底排?火箭復合增程彈工作時序參數正交試驗設計的直觀分析與方差分析,揭示了每個參數對射程計算的影響趨勢,為進一步確定底排?火箭工作時序參數值的最佳匹配組合奠定了理論基礎;建立了底排?火箭復合增程彈多目標優化設計模型,該模型首次綜合考慮了底排?火箭復合增程彈的結構特徵參量、結構強度性能、飛行穩定性、威力性能和射程指標,編制了相應的分析程序,進行了算例計算;完成了130mm底排?火箭復合增程原理樣彈的結構設計與飛行試驗,其試驗結果驗證了本文理論研究工作的實際應用價值。This paper unfolds engineering disposition and theoretical research of negative temperature high performance concrete ( nthpc ) with the damage of many factors motivation, the project background based on qing - zang railway engineering, which is one of four - emphasized engineering during the tenth five - plan. due to the difference of environment of construction and service between nthpc and ordinary concrete, and therefore durability of nthpc is required to higher level. at a first, nthpc must avoid frozen damage at early age and possess anti - freezing property at later period, in order to meet engineering practicable application need, and this are two emphasized and difficult problems, as for nthpc ; by means of mechanism analysis about deicing - agent ingredient and anti - freezing at early period, adopting composite technique routine of mineral addition + anti - freezing element + water - reducer4 - air - entraining + anti - erosion of steel component etc, based on orthogonal experimental approach, fd - 1 composite functional admixtu re was manufactured, which has more property and orientation on qing - zang railway
負溫混凝土由於和普通混凝土在施工環境及服役環境上存在的差異,因此表現為比普通混凝土更為較高的耐久性要求;負溫混凝土首先要避免早期的凍害以及具備長期抗凍性能,才能夠滿足工程實際應用的要求,這也是負溫混凝土必須解決的兩大技術關鍵;通過對目前常用防凍劑組分作用機理的分析研究及混凝土早期防凍機理探討,採用礦物外加劑+防凍組分+高效減水劑+引氣+阻銹組分功能復合的技術路線,通過正交試驗設計復配了適應青藏鐵路工程要求的專用多功能復合型外加劑fd - 1 ;並在此基礎上配製不同等級負溫高性能混凝土,開展一系列包括硫酸鹽侵蝕、氯離子滲透、抗凍融循環、收縮及耐磨性等耐久性能研究;通過對fd - 1組分和摻量的調整,優化負溫混凝土在施工特性、力學指標和耐久性三個方面的兼容、協調性。It is high performance concrete of low water - binder ratio. with its own gravity and without any vibration, it can fill up the space automatically. with high adding quantity of fly ash and slag, high quality water reducing agent and other compound admixture is the most important technology of this kind of high performance concrete. scc focus on high workability at the same time on high strength and high durability through choosing the composite of aggregate, additives, content of cementions material, admixture reasonably and the optimum design of mix proportion
本文研究了採用吉林省本地原材料和常規生產工藝配製c40自密實混凝土的製作技術,採用水膠比、粉煤灰摻量、砂率、膠凝材料總量四個因素進行配合比的正交設計,試驗分析了自密實混凝土拌合物的工作性以及硬化后的力學性能、耐久性和生產與施工注意事項,並對其經濟性做出了客觀評價,本次試驗為吉林地區自密實混凝土的推廣應用提供了數據基礎。With the material dynamic constitutive equation including damage and the effect of stain rate the predictable formula about ballistic limit velocity of fiber composite target. secondly based on the damage feature about ceramic / fiber composite target caused by impact load, analysis model about defense performance of ceramic / composite material target is formed and the predictable formula about ballistic limit velocity is also given. lastly using the reflection and projectile theory of stress wave the paper discusses the design of ceramic / composite material target, optimizes the design of double layer ceramic / composite targets, gains optimal coefficient under certain area density and discusses the variety relationship of area density and thickness with optimal coefficient u nder some ballistic limit velocity 3
首先,分析了纖維類正交鋪層復合靶板在沖擊載荷作用下的損傷破壞機理,結合包含損傷和應變率效應的材料動態本構方程,建立了纖維復合材料板彈道極限速度的預測公式;其次,根據陶瓷/纖維材料復合靶板在沖擊載荷下的破壞特點,建立了陶瓷/復合材料靶板抗彈性能分析模型,給出了彈道極限速度預測公式;最後,利用應力波反射和透射理論討論了陶瓷/復合材料靶板的設計問題,對雙層陶瓷復合靶板的優化設計進行了分析,給出了在一定面密度下的最佳優化系數,討論了一定彈道極限速度下的面密度和厚度隨優化系數的變化關系。Based on the theories of hybrid / mixed finite element method, the generalized energy functional including stress, mechanical displacement, electric displacement, electric field and electric potential is used, with the electric - potential relations and the constitutive equations of piezoelectric materials constrained, hybrid energy functional including mechanical displacement, electric potential and stress is gained. moreover, splitting in - plane components and transverse components, the mixed energy functional in which mechanical displacement, transverse stresses and electric potential as basic variables is derived. with the use of surface stress parameters of sub - elements, the continuity of transverse stress at interfaces between layers is obtained
在回顧雜交混合有限元理論的基礎上,從包括位移、應力、應變、電勢、電位移、電場強度六個未知量的廣義壓電材料能量泛函出發,通過約束電場強度?電勢關系、應力與應變及電場強度的關系,得到僅包括位移、電勢、應力三個未知量的雜交變分泛函,利用一般層合板的雜交混合變分原理,分離面內分量和橫向分量,導出以位移、橫向應力、電勢為未知量的壓電層合板的修正變分泛函,作為壓電層合板的雜交元列式的理論基礎。Because the system error is ineluctable for mode, it is necessary to correct the simulation fielde effectively. in this paper, based on the idea of combined eof correction, the interannual simulation of sea surface wind stress anomalies of the tropical pacific ocean by lap two - level atmosphereic model have been corrected, result of corrected erperiment shows that the corrected field is more similar to the observation field, especially on the distribution of the space. three prediction experiments also shew that correcting scheme of combined eof can improve the interannual prediction veracity of model
在本文中,基於「聯合自然正交展開誤差訂正」的思想,將中科院大氣物理研究所兩層大氣環流模式輸出的熱帶太平洋海表風應力異常的跨年度模擬場進行訂正,訂正試驗的分析結果表明,訂正後的熱帶太平洋海表風應力距平場與相應觀測場年際變率分量的相似程度遠遠好於模式模擬的結果,尤其是在空間分佈方面的改善非常顯著;三組跨年度訂正檢驗結果也表明,訂正後的跨年度預測結果明顯好於模式的預測結果。After that in chapter four, a axisymmetric hybrid stress finite element for piezoelectric media is presented on the optimization condition for the coupling of electrical and elasticity. it ' s practicable and rational in the numerical example. in the fifth chapter, we study the p - version hybrid stress fem
本文還研究了基於升階譜的雜交應力元方法,建立了一系列p 5的高階雜交應力單元列式,數值計算結果顯示採用正確的高斯積分,將使得本方法切實可行,同時兼有升階譜和雜交元的優勢。Fifthly, using uniformly orthogonal design theory to arrange the four - lever temperatures and four - lever vibration stress, catch an excellent accelerated life text plan, which make the estimate value have the well precision in normal stress lever, at the same time that can reduce the sample number and shorten the test time
第五,運用均勻正交設計對環境溫度和振動應力的四個應力水平值進行合理搭配,得到一組較優的加速壽命試驗方案,在減少樣本數量、縮短試驗時間的同時使產品在正常應力水平的壽命估計值具有較高的精度。分享友人