綜合彈性模量 的英文怎麼說
中文拼音 [zōnggědànxìngmóliáng]
綜合彈性模量
英文
overall elasticity modulus- 綜 : 綜名詞[紡織] (織布機上使 經線交錯著上下分開以便梭子通過的裝置; 綜片) heddle; heald
- 合 : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
- 彈 : 彈名詞1. (彈子; 小球形的東西) ball; pellet 2. (內裝爆炸物, 具有破壞和殺傷能力的東西) bullet; bomb
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 模 : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 綜合 : 1 (歸在一起; 聯合成一個統一的整體) synthesize 2 (不同種類、不同性質的事物組合在一起) syntheti...
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The important meaning in which this direction studied has lain in establishing the connection between the material science of concrete and civil engineering, analyse the strength in terms of material microcosmic or the mesoscopic, have important meaning to understanding, know the essential law of the strength of concrete. this text divides six chapters altogether. chapter one reviewed the pore structure in nowadays domestic and international research current situation, including the concrete examines research, research of the pore structure model and the research current situations of pore structure and strength relation of the pore method, have introduced some most important achievements of structure research of pore ; chapter two narrated much yardstick of the material mesoscopic structure of concrete and principle of examining pore technology of material of concrete, and the commonly used sign parameter in discussedding the pore and material pore of quito of cement and analyse, have explained that the influence factor of mip to the result of study of pore, has pointed out the limitation in mip in the pore structure ; analyse porosity and strength relation development course of model emphatically, and has carried on comparative analysis to the existing model, has pointed out the weak point of the original model ; on the basis of " ing integrate synthetically ", propose concrete pore structure compound body model and pore physical model of systemlex body ; chapter five carried on the corresponding test data to compares to the model parameter appearing in model of chapter four with and analyses, have received k value of the characteristic of strength of matrices of reflecting according to the method to return to analysis, and calculate the influence produced on the strength of concrete in revision that can probed into the content of cement, elastic mould and surface energy, exactness of the inspection model ; chapter six is the conclusion, according to studying the survey this text to some research conclusions of the pore structure and making corresponding prospect to the structure development of pore
第一章回顧了孔結構在當今國內外的研究現狀,包括混凝土測孔方法的研究、孔結構模型的研究及孔結構與強度關系的研究現狀,介紹了孔結構研究方面的一些最重要的成果;第二章敘述了混凝土材料細觀結構的多尺度性及混凝土材料測孔技術的原理,並討論了水泥基多孔材料孔隙分析中常用的表徵參數,也說明了壓汞法測孔對研究結果的影響因素,指出了壓汞法在孔結構研究中的局限性;第三章是著重分析了孔隙率與強度關系模型的發展歷程,並對已有的模型進行了比較分析,指出了原有模型的不足之處;第四章在「綜合集成」的基礎上,提出了混凝土孔結構復合體模型和孔系統的物理模型,並模擬了該模型下由各單體並聯形成的復合體的斷裂過程,最後根據所建模型編制了相應的計算程序,可根據輸入的孔徑分佈與水泥含量等參數,實現混凝土理論強度的計算;第五章對第四章模型中出現的模型參數進行了相應的試驗數據對比分析,根據回歸分析的方法得到了反映基體強度特徵的k值,並從理論上探討了水泥含量、彈性模量和表面能的修正對混凝土強度計算產生的影響,檢驗模型的正確性;第六章是結論與展望,根據研究綜述了本文對孔結構的一些研究結論並對孔結構發展作了相應的展望。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。According to the measuremental data of the two ammunications, the anti - designed computation and analysis of aerodynamic characteristic, flight stability, exterior ballistic characteristic for the two ammunications are studied with the advanced methods of the exterior ballistics. using the monte calo algorithm, the statistic mathematical model about ammunication ' s intensity is established and the 1000 miter vertical target intensity and the fall intensity are discussed in detail for the two ammunications. the improval potential and the main technical approachs of these ammunication ' s exterior ballistic performances are presented by compositive optimal algorithm
根據工廠對俄ak130艦炮彈藥的測繪數據,利用先進的外彈道數值分析方法對兩種彈藥的空氣動力特性、飛行穩定性特性、外彈道特徵量等進行了反設計計算分析;採用montecarlo方法,建立了艦炮彈藥密集度性能統計分析數學模型,對兩種彈藥的立靶密集度和地面密集度進行了詳細的計算分析;利用外彈道性能綜合優化設計方法對兩種彈藥的外彈道性能指標的改進潛力和主要技術途徑進行了分析。Abstract : to facilitate the design, teaching and research of asphalt pavements, the article founded the models of displacement and tensile stress of three - layer system by using separation of variables, analysis and synthesizer. based on the analysis of common pavement structures and their equivalent conversion, the regression formulas of displacement and tensile stress are obtained successfully, furthermore the formulas applied in multi - layer system are checked. a great number of results of regression formulas show good accuracy for engineering application and theory research
文摘:為方便瀝青路面結構設計生產、教學、科研之用,本文採用分析綜合法與分離變量法建立了彈性三層體系應力位移顯式模型;並在分析常見路面結構層厚度及其當量換算和模量變化范圍的基礎上,成功求得了三層體系路表彎沉、上層滑動應力、上層連續應力、中層應力逼近公式;精度分析表明本文逼近公式精度很好,完全可推廣應用於多層體系,滿足工程設計和有關理論研究的需要In this dissertation, the fact that the concepts of tangent modulus factor ( _ ( 1 ), ), proportional limit law ( pll ) and strength utilization ratio function ( surf ) in the combined theory of strength and stability ( ctss ) are the extension of concerned concepts in elastic mechanics is illustrated
本文說明了強度穩定綜合理論中的切線模量因子、比例極限定律和強度利用率函數等概念是彈性力學有關概念的延伸,既可以用於強度理論,也可以用於穩定理論。It indicates that although this procedure has introduced the mechanistic - empirical method, but still is not perfect in design theory : one is about bearing capacity evaluation method and device. the currently used device - benkelman beam is dropping behind the development of the pavement testing service ; the other is about the mechanistic method that used in overlay design. it simplifies the original pavement and subgrade as a whole half infinite space, this is not true in the real layered pavement structure
綜合分析了各種罩面設計方法的原理及其優缺點,對於我國目前設計規范中所採用的罩面設計方法進行了詳細的分析與研究,指出了它雖然已經採用了力學與經驗相結合的設計方法,但仍然存在著明顯的不足之處:一方面是舊路承載能力評價設備仍然採用貝克曼梁,檢測手段落後;另一方面,在力學設計方法中,對于舊路承載能力的評估忽略了舊路面結構的分層,而是採用了近似的彈性半空間體,給出了舊路頂面的綜合回彈模量。First, based on comprehension analysis of the present study status on optimizing method to displacement back analysis in underground engineering home and abroad, intelligent optimizing method, which fits the features of underground engineering, has been developed by introducing annealing algorithm and genetic algorithm and improving them. second, according to practical features of nonlinear displacement for underground engineering, the mechanical model on back analysis to initial ground stress and mechanical parameters of surrounding rock mass in underground engineering is established, which is based on the measuring results of displacement of convergence in underground holes. while, by introducing finite element method and combining improved annealing algorithm and improved genetic - annealing algorithm, the theory and method of elastic - plastic displacement back analysis to surrounding rock in underground engineering has been founded
首先,本文在綜合分析國內外地下工程優化位移反分析方法研究現狀的基礎上,引進模擬退火與遺傳演算法,並對其進行改進,建立了適合於地下工程問題特點的智能優化演算法;其次,根據地下工程非線性特點,基於地下工程洞周收斂位移量測結果,建立了用於地下工程初始地應力與圍巖力學參數反演分析的力學模型,並引進有限元分析手段,結合改進模擬退火演算法與改進遺傳-模擬退火演算法,分別建立了基於這兩種智能優化演算法的地下工程圍巖彈塑性位移反分析理論與方法,並開發了相應的分析計算程序,為地下工程圍巖穩定性與開挖順序優化分析奠定了基礎;然後,在上述基礎上,根據地下工程開挖施工順序優化設計的特點,建立了基於圍巖塑性區面積的地下工程開挖施工順序優化分析模型,基於改進模擬退火演算法與改進遺傳-模擬退火演算法建立了地下工程開挖施工順序優化分析方法,並開發了相應的分析計算程序;最後,將上述分析計算程序用於工程實例分析,探討了其應用方法,證明了該文研究成果的合理性和可靠性。The research and contribution in detail are introduced as follow : ( 1 ) the driver characteristics > motor vehicle characteristics, road characteristics, macroscopic and microscopic flow parameters are analyzed. a new traffic flow continuum hypothesis is proposed. the compression index and elasticity coefficient are defined
具體工作如下: ( 1 )綜合分析了交通流中駕駛員的交通特性、車輛的交通特性、道路的交通特性、交通流的宏觀參數和微觀參數,提出了新的交通流連續性假設,定義了衡量交通流壓縮性的壓縮系數和彈性系數,分析了各種速度-密度模型所對應的壓縮系數。Influence of the temperature field and stress field is ignored but some other factors are considered such as temperature difference between the surface and inside of the concrete, circumstance temperature, work sequence, shaping period, elasticity modulus, the volume etc. and the emulation technology is applied to calculating the construction of the concrete
運用模擬技術對大體積混凝土結構進行了不考慮損傷狀態下的溫度場及應力場的模擬計算。計算過程中綜合考慮了混凝土結構內部溫度的變化,環境溫度的變化,施工順序,澆築時間以及材料彈性模量的變化,徐變特徵,自身體積等因素,同時指出了模擬計算中存在的問題與不足之處。The equivalent elastic modulus was deduced by comprehensive considering deflection and elastic modulus
通過綜合考慮撓度引起彈性模量和彈性伸長引起彈性模量推導出等效彈性模量。Abstract : according to the needs of development and operational for missile weapon many years, based on comprehensive study many effectiveness evaluation theories and methods, the operational effectiveness evaluation models are present of main operational system 、 support system 、 command system and operational system for missile weapon. these models are proved correctness and feasibility by example, and are able to offeriong decision evidence for target demonstration 、 plan demonst ration 、 engineering development 、 finalize the design and operational use of missile weapon
文摘:根據多年來導彈武器發展建設和作戰運用的實際需求,在綜合研究國內外多種效能評估理論和方法的基礎上,建立了對抗條件下主戰、保障、指揮等分系統作戰效能及作戰系統作戰效能評估模型,並通過示例驗證了其正確性和可行性,可為導彈武器作戰系統的指標論證、方案論證、工程研製、鑒定定型和作戰運用等提供定量決策依據。With synthesizing the relevant other internal and external researchers " the achievements of theory and the results of experiment, the follow work have been done in this project : revising the formulas of ground stiffness coefficient and the mass of vibrating soil and the dynamic affecting degree of depth, which apply the theory of elastic half - space and the knowledge of the soil mechanics and consider the influence of the soil characteristic and inertial action, the interaction between foundation and ground, the diverse load ; making the model of ground and foundation system calculating natural frequency by using the big - scale software supersap which is for special purposes of finite element analysis ; according to the experiment analysis, correcting and adjusting the finite element model in order to have it accord with the fact and meet the engineering demands ; doing the vibrating experiment for testing the results of the theoretical analysis and the finite element calculation ; summing up some regulars of the ground stiffness
本文綜合參考了國內外其他學者的理論成果和實驗結果,進行了如下研究工作:運用彈性半空間理論和土力學的知識,考慮土體特性和慣性作用、基礎與地基的相互作用以及不同荷載形式等因素的影響,對動力機器基礎進行了嚴密地理論分析,修正了地基剛度、參振土質量和動力影響深度的計算公式;利用專門用於有限元計算的大型分析軟體supersap對地基基礎體系進行了建模計算,根據實驗分析,對有限元模型不斷地進行修正和調整,使其更加符合實際情況,滿足要求;通過振動實驗對理論分析和有限元計算結果進行了驗證;總結出了一些地基剛度的變化規律。Geometric nonlinear behaviors in large span cable - stayed bridges have been analyzed in this paper, which include the sag of inclined cable stays caused by their own dead weight ; the interaction of large bending and axial deformation in bending members ; and the large displacements effects. then analyzing theories and researching levels of geometric nonlinear problems of modern cable - stayed bridges have summarized. and methods of modeling cable - stayed bridges for nonlinear finite element analysis have been discussed, which are the equivalent modulus of elasticity, introducing stability functions and continuously modifying geometry of structure
本文分析了大跨徑斜拉橋幾何非線性的主要影響因素,包括斜拉索的垂度效應、彎矩與軸向力組合效應和大變形效應,同時對目前斜拉橋幾何非線性問題的分析理論和研究水平進行了綜述,相應討論了各非線性影響因素的處理方法,即分別採用等效彈性模量法、引入穩定性函數和實時修正結構的幾何位置。Thermal residual stresses in short fiber reinforced metal matrix composites ( sfrmmc ) can reach a high level and have a significant effect on the mechanical properties of composites. in this paper, three dimensional elastoplastic finite element analyses were used to study the thermal residual stresses in sfrmmc and its effect systematically. with the interfacial property, fiber ' s orientation and reciprocity of fibers considered, the thermal residual stresses in - al2o3 / al - 5. 5mg, - al2o3 / al - 5. 5zn and - al2o3 / al - 12si alloy composites were calculated and analysed
本文在分析計算中綜合考慮了界面性能、纖維位向以及纖維間相互作用的影響,分別採用單纖維模型、雙纖維模型和斜向纖維模型,對- al _ 2o _ 3 al - 5 . 5mg 、 - al _ 2o _ 3 al - 5 . 5zn和- al _ 2o _ 3 al - 12si三種al合金基復合材料的熱殘余應力進行了計算和分析;對存在熱殘余應力時復合材料的應力?應變曲線進行了模擬;還基於能量等效原理的有限元方法,考慮了熱殘余應力及纖維位向的影響,推導了短纖維增強金屬基復合材料彈性模量的預測公式。Using the model parameter from the dynamical experiment, the integrated parameters can be disassembled, thus the structure ' s frequency and the influencing coefficient of their oscillation mode are solved. it ' s tested from the model experiments and fem that the model given by the article has the virtue of explicit concept and convenient method and high accuracy, and it can give reference to evaluate the load capacity of bridge. in the end, in order to assess the existing bridge ' s seismic resistance performance, force reduction factor with ductility is recommended to reflect the seismic force of the structure during the elastic and plastic periods
另一方面,由動力相似理論建立了室內模型,並進行室內動力試驗,藉助量測到的模態參數分解出綜合參數,可以反推結構頻率及振型參與系數。試驗結果、有限元計算值表明,本文建立的模型概念明確、計算方法簡便、精度較高,可以為動測法評定橋梁結構承載力提供參考。最後,從延性的角度給出強度折減系數來考慮結構進入彈塑性階段的地震力,從而對橋梁的抗震性能做出評價。分享友人