state of strain 中文意思是什麼

state of strain 解釋
應變狀態
  • state : n 1 〈常作 S 〉國，國家；〈通例作 S 〉（美國、澳洲的）州；〈the States〉 美國。2 國務，政權，政府...
  • of : OF ＝Old French 古法語。
  • strain : vt 1 用力拉，拉緊，抽緊，扯緊。2 使緊張；盡量使用（肌肉等）。3 強迫，強制；濫用，盡量利用。4 拉傷...
  1. Sicp / al matrix composites, with 5, 15 and 25 % volume fraction of sic particles, were prepared by vacuum hot - pressing sintering processing in this paper. based on mechanics properties, sem observation and energy dispersive x - ray analysis, the interface reaction phenomenon of sicp / al composites made by vacuum hot - pressing sintering, as well as the reinforcement and fracture mechanisms of this composite were analyzed. the dynamic responses of sipc / al composites were studied by a split hopkinson high - speed pressure bar impact system which strain rate was from quasistatic state strain rate ( 3. 3 10 - 3s - 1 ) to dynamic state strain rate ( 5. 2 103 s - 1 )

    本研究以武裝直升飛機防護裝甲材料為研究對象，採用真空熱壓粉末冶金燒結工藝制備了含sic顆粒體積分數分別為5 、 15和25的sic顆粒增強鋁基復合材料，結合其力學性能、掃描電鏡和界面微區能譜分析結果，分析了sic _ p al復合材料的真空燒結過程中的界面現象，以及材料增強和斷裂機理，並利用hopkinson高速壓桿沖擊實驗系統對其從靜態到動態（應變率為3 . 3 10 ~ （ - 3 ） s ~ （ - 1 ） 5 . 2 10 ~ 3s ~ （ - 1 ） ）的壓縮破壞響應進行了研究，分析了不同體積分數sic _ p al復合材料高應變率壓縮載荷下，材料的變形和微觀損傷機理，以及利用高速沖擊空氣炮測定了改復合材料制備剃度復合板的穿透性能。
  2. The reason that the internal defects little occur at the center points and fissure takes an annular form during three - roll rolling was expounded based on the state of stress and strain at the center of rolled pieces

    根據軋件內部的應力應變狀態，闡述了三輥軋制軋件中心點缺陷產生可能性較小和斷裂呈環向裂紋的原因。
  3. Specifically, according to the w - w five parameters failure theory, the fracture criterion of crack is established, and the state of crack ( open or close ) is judged by the values of the crack strain. combining the two points, the predict - model about the failure of concrete material is established. this predict - model can predict 16 failure forms, and basing the different failure form predicted after crack, the stress - strain relationship matrix of concrete material is adjusted

    具體來講，根據w - w的五參數混凝土破壞理論，建立混凝土的開裂準則，根據開裂應變值來判斷裂縫是張開還是閉合，從而在兩者基礎上建立了裂縫的開裂預測模式，總共有16種開裂模式；裂后根據具體的開裂模式及殘余抗剪能力來調整混凝土的本構關系矩陣，即用等效剛度代替原有剛度，考慮到垂直於裂縫方向的剛度為零，這樣會使裂后的總剛出現病態，為此文中通過引用鬆弛系數來對出現裂縫的單元進行預處理，一方面可解決因過大的舍入誤差導致計算結果的不可信問題，另一方面就是可加速收斂。
  4. According to the geological conditions of baise project, erosive bands and joint fissures, f6 fault and grout curtain are fully simulated to establish 3d numerical model of the dam and its foundation. 3d non - linear fem is used to analyze the stress and strain and to appraise the operation state of both the dam and it ' s foundation under different operation conditions. by overloading the upstream water level and reducing rock strength parameter, the dam foundation ' s degradation process is simulated and the damage pattern and paths are determined, and finally the safety factor is determined

    2 、根據百色的地形地質條件，充分模擬了蝕變帶、節理裂隙、 f6斷層、灌漿帷幕等，較為真實地建立了壩體與地基相互作用的整體三維數值模型；採用有限元法對壩體及壩基在不同工況下的應力應變狀態開展分析，評價各工況下壩基的運行狀態；而後採用超載法和綜合法對大壩穩定性進行分析，模擬壩基的漸進性破壞過程，從而得到壩基在超載和強度下降過程中的破壞模式和破壞發展路徑，最終確定壩基超載安全系數和綜合安全系數。
  5. Abstract : the wave equation, continuous equation for tower structure and the method of characteristic line, are derived in this paper, and variation of structure modulus of elasticity with strain and vibration frequency being considered, state of stress on the structure affected by earthquake wave is analyzed

    文摘:推導了高聳結構（桿件）波傳播運動方程、連續方程和特徵線求解方法.並考慮結構彈性模量隨應變及振動頻率的變化，對地震波作用下結構的受力狀況進行了分析
  6. Researching on the technology if reverse order is to study strains if pits, structural systems if basement, environmental surwey and underpinnings. on account of emphasizing developing methods if checking strength if pick - ets, modemizing machenes of excavation and studying methods of underpinning is put forward and is a way if controlling the quality of pickets in sites, which leads an active effect ; synthetic application if rankintheory, spatial and time effect theory to excavation tl aanalyze the state of soil force and strain is brought forward and the time effect should be considered in the zone of clay, the formation and development of soil plasticity are analyzed and the most dangerous zone to decide how to excavate and where to begin is found ; analyzing the cause of picket settlement during reverse order and the differential settlement and discussing hlw to solute it. duringh the temporary survey and the environmental warship, bringing rorward the theory of environmental vibration and analyzing the state of soil force and probability of losing stabilization of soil under the effect of environmental vibration ; analyzing the state offeree in underground concrete wall by the method of mathematics and pointing out the place of the maximum force and deformation. based on systematic illustrating the reverse order, problems about application and development of reverse order and suggestions also are expressed

    鑒于國內外的研究把重點放在大力發展工程樁的實驗室承載力監測方法與設備、如何使土方開挖機械現代化及對周圍建築的臨測方法上，本文提出了現場利用聲波層析成像技術監測鋼砼樁內部質量的方法與程序，並得出了聲波層析成像技術是砼樁的動態質量檢測的有效手段，這對指導施有積極、現實意義；提出了綜合運用朗肯土壓力理論、基坑空間和時間效應影響理論來分析逆作法施工過程中基坑邊坡土體應力及應變的變化情況，指出粘土地區也應考慮時間效應，並且進一步分析了基坑邊坡土體的塑性區形成和發展，找出邊坡最不利的區域，以確定地下室土體的挖掘的方式和順序，指出憑主觀臆斷與經驗來施工是不可取的；在分析、經較逆作法與大開挖順作法的地下室結構體系受力情況及施工順序的不同，提出了節點處理技術；分析了逆作法施工期間樁的沉降變化原因及由此而產生的差異，並探討了解決的方法；本文還提出了環境振動對土體邊坡穩定產生影響的觀點，並分析了在環境振動影響下，土體的應力狀態及土休失穩破壞概率，並且還運用彈性力學知識和數學分析的方法定量地分析了地下混凝土墻受力狀態，指出了被監測墻體的最大應力、應變位置。
  7. According to the basis relation of stress, strain and the value of limit deformation during the strengthening of concrete architecture, the derivate computing method is applied under different state of load and internal force. and it is towards difference of stress and strain of the new and old part of the strengthening structure. it is pointed out that unloading is the necessary and important method of taking advantage of effect of the strengthening structure

    本文根據混凝土結構加固中材料的基本應力? ?應變關系和極限變形值，針對加固結構新舊兩部分的應力、應變差，應用迭加原理，導出了加固結構在不同受力狀態下的承載力和內力適用設計計算方法，指出了「卸荷」是充分發揮加固結構效能的必不可少的重要手段。
  8. It has also pounded the keys, devices, disposition of surveyed spots, measure method and procedures, data gathering and process ( relation with construction workmanship ), error analysis and adjustment, control precision and rules, mechanism and method of control, tables of records, results and discussion. after completion, the bridge has good behaviors in dead loads state, cable forces, shape style of main beam, stress and strain of concerned sections, displacements of the tower top, which assure the reasonable state of cables, main girder and towers, and safe under running, demonstrate supervision

    通過課題研究與實橋運用，荊州長江公路大橋斜拉橋施工過程各狀態和成橋恆載狀態下，斜拉索索力、主梁線形、主梁關鍵截面應變、索塔塔頂水平偏位等關鍵項目的施工控制結果均滿足設計期望值的要求，滿足橋梁施工范圍的要求，大橋主梁線形流暢，斜拉索、主梁和索塔三大體系的受力狀態合理，橋梁結構安全可靠，大橋的監測監控取得了圓滿成功，並為該橋營運階段的長期監測監控奠定了良好的基礎。
  9. If some way can monitor the inside state of the project structure ( mainly stress, strain and crackle ) real - time online, we can make the assessment to the security state of the engineering component real - time and reduce the loss of the accident remarkably

    如果能夠實時在線地監測工程結構的內部狀態（主要是應力、應變和裂紋） ，就能夠實時地對工程構件的安全狀態做出評估，可以把事故的損失減到最小。
  10. With the data recorded by computer, the author studies the experiment progress in detail, which includes the development of pore press, strain, strength of the sand, etc. connecting the development of these phenomena with the development of stress path, the author finds new mechanism which can explain the phenomena in the experiment. what is more, according to the dynamic test of the sand, there appears a steady state at the last phase of the development of strain and stress path, in which the strength of the sand is studied because it is an important parameter in evaluating the stability of sand against liquefaction. secondly, the dynamic constitutive relation was studied through the dynamic tri - axial test

    本文首先採用目前國內較先進的微機控制動三軸儀，利用其可以適時採集和儲存數據的優勢，對砂土的實驗過程進行了細致的分析，研究該過程中孔隙水壓力發展、軸向應變發展以及它們與應力路徑之間的關系，對飽和砂土的剪脹、剪縮和卸載體縮等多個方面進行了研究，探索了砂土的動力特性，分析了影響砂土抗剪強度的各種因素，這些因素既包括土本身的特性（土的密度、結構、級配、透水性以及初始狀態等） ，又包括動荷載的特徵（振動力幅值大小和振動頻率等） 。
  11. To include the effect of strain rate and shock heating, johnson - cook strength model with grilneisen equation of state ( eos ) is used for the armature. arbitrary lagrangian - eulerian ( ale ) algorithm is adopted

    對電樞使用了johnson - cook硬化準則的強度模型和gr neisen狀態方程，考慮了應變率硬化和溫度熱軟化的影響，並使用了任意lagrangian - eulerian演算法（ ale ） 。
  12. In order to prolong the natural life of fracturing pump valve, this article do much basic research work on fracturing pump value. firstly, kinetic characteristics of fracturing pump valve are stated particularly and analysed. through stimulated experiment based on practical working conditions, the wearing disciplinarian and forms of impact particle wear about fracturing pump valve are researched by comparing it with pure impact wear and abrasive wear. furthermore, the wear mechanism of impact particle wear and particle erosion are analysed. in the end, by using the fenite element analyzing tool ansys, the distributing law of stress and strain of fracturing pump valve at the state of closing and during the process of impact are analysed carefully

    詳細闡述和分析了它的運動特性；根據其實際工況，通過模擬試驗，研究了壓裂泵閥沖擊磨料磨損的磨損規律和磨損形式，並且將其與純沖擊磨損、滑動磨料磨損進行了對比；分析了壓裂泵閥的沖擊磨料磨損、沖蝕磨損等磨損機理；藉助ansys有限元分析工具，對泵閥關閉狀態下和沖擊過程中的應力應變分佈規律進行了詳細分析。
  13. Based on this system the cracking resistence of portland cement paste system was tested. also the effect of fly ash, slag, silica fume and admixtures on the cracking at early ages was studied. according to the basis relation of stress, strain and the value of limit deformation during the strengthening of concrete architecture, the derivate computing method is applied under different state of load and internal force

    本文從國內外住宅比較入手，較系統地研究了小區規劃建設、造價、投資、物業管理模式及影響因素，運用數學方法，通過典型項目剖析，對小區造價、資金來源等相關問題進行定量分析，為未來小區規劃建設管理的理論研究，項目實施奠定了基礎，提出了方向。
  14. Through theoretical analysis, experiment on site and numerical simulation, the characteristic of goal - water - gas system was analyzed during injecting water, and the mechanics properties, stress and strain state of coal and quantity of gas emission were studied

    摘要通過理論分析、現場實驗及數值模擬等手段，分析了注水過程中煤水瓦斯體系特徵，研究了注水對煤的力學性質、應力和變形狀態以及對瓦斯湧出量的影響。
  15. In order to assure that the stress and strain state of structure is secure, the author analyses respectively the objective functions of the reasonable finished state and buckle - cable adjusted phase ; thus, the optimized model based on fga is framed. finally according to the example, the computation datum are compared with the iterative forward analysis method and the optimal control theory. the result shows that this method can be used conveniently and meet the construction and design precision

    為了滿足大跨度鋼管混凝土拱橋施工的安全性與成橋預期的內力狀態和拱肋線形，本文結合工程實例，分別對合理成橋狀態和扣索索長調整的目標函數的確定進行了分析，將一組多變量、多約束的最小化問題無約束化，從而建立起適合於該問題的遺傳演算法優化模型，將其計算結果分別與迭代前進法和隨機最優控制理論進行了比較；結果表明，採用該方法編制的基於結構計算的遺傳優化程序操作靈活，能很好的滿足施工和設計要求。
  16. Firstly, the displacement, stress, strain fields and the working state of dam body and foundation are evaluated by fem. by overloading the upstream water level and reducing rock strength parameters, the failure process of dam foundation is simulated and the failure mode and paths are determined. the results show that when overload method is used, damaged area develops from up - stream to down stream with failure front stays near the interface between dam body and bedrock

    首先採用非線性有限單元法對壩體及壩基在不同荷載工況下的變位、應力應變狀態展開分析，評價各工況下壩基的運行狀態，而後採用超載法和綜合法對大壩穩定性進行分析，模擬壩基的漸進性破壞過程，追蹤巖體破壞狀態的發展演變過程，從而得到壩基在超載和強度下降過程中的破壞模式和破壞發展路徑。
  17. Due to the complexity of geometric shape and loading state for general component, it is difficult to gain theoretical solution to the state of stress - strain for cracking tip

    由於一般構件的幾何形狀和荷載狀態復雜，難于對缺口尖端的應力應變狀態得到理論解。
  18. Homogeneous state of strain

    均勻應變狀態
  19. Study on screening of strain used for producing xylanase from beer grains with solid state fermentation and the condition of producing xylanase

    固態發酵啤酒糟產木聚糖酶的菌種篩選及其產酶條件研究
  20. The elastic solution for elastic - plastic problem is based on model theory of elastic - plasticity and deformation theory of plasticity. with the original data which embodies the stress state of complicated structure at elastic phase and is attained by experiment or calculation, according to the similarity theory between elasticity and plasticity and generalized stress - strain material curves, and using new means and new techniques, this method and change the elastic value into plastic value correspondingly

    結構彈塑性分析的彈性解法是以彈塑性力學的模型理論和塑性力學形變理論為基礎的，具體做法是利用實際工程中由實驗或者計算等方法獲得表徵復雜結構彈性階段應力狀態的原始數據，根據彈性力學和塑性力學方程的相似關系和被實驗材料的廣義應力應變曲線，採用新的分析方法和實驗手段，將彈性解轉換成對應的彈塑性解。
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