步進應力 的英文怎麼說
中文拼音 [bùjìnyīnglì]
步進應力
英文
stepstress- 步 : Ⅰ名詞1 (步度; 腳步) pace; step 2 (階段) stage; step 3 (地步; 境地) condition; situation; st...
- 進 : 進構詞成分。
- 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...
- 步進 : step by step步進操作 step by step operation; 步進傳動 step by step drive; 步進法 step by step met...
-
The fault controlled the magmatism and metallization relevant to the contact zone, and deformed successively and produced cataclastic rocks and two sets of joints ; the second stage was from late cretaceous to eocene. the fault zone deformed right - laterally under ne - sw striking transtention, and new joints zone was produced at the end of the two main faults because of local stress concentration. the fault produced inchoative cataclastic rocks, and two sets of typical joints in plutons ; the third stage of deformation was relatively faint and only a little of microcracks was produced and infilled with vei ns in the deformed rocks, which was during the himalayan movement
其後的繼承性活動在斷裂帶內形成碎裂程度最強達到碎裂巖的碎裂巖系列構造巖,變形帶兩側發育兩組典型的共軛剪節理;第二次在晚白堊世?始新世,斷裂在北東?南西向近水平擠壓作用下右行張扭性活動,斷裂帶兩主斷裂在斜列重疊的端部由於局部應力集中進一步擴展形成節理帶,而斷裂在巖體區也發育兩組典型的共軛剪節理,斷裂內形成初碎裂巖為主的構造巖;第三次是喜山期以西側抬升、東側下降的強烈升降為主的活動,在基巖中,主斷層兩側圍巖出現微破裂。Utilizing pseudo - static method theory, calculated the safety factor for the dam slope, give, a primary conclusion. utilizing static finite element method based on duncan - chang hyperhola modelfound the static stress riele, make the foundation for hynamical finite element analysis. utilizing dynamical finite element method based on equipollence linearity model, found the dynamical stress field and the acceleration field, make the foundation for calculated the safety factor of the dam slop with finite element method
運用擬靜力法的基本原理,對滿拉堆石壩的壩坡穩定進行了分析研究,得出了初步結論;採用duncan - chang雙曲線模型,用計算土石壩應力及變形的靜力有限元程序,對滿拉堆石壩進行了靜力有限元分析,得到了壩體的靜應力場分佈,為動力有限元計算打下基礎。The stress state in the stainless steel pipe - titanium alloy pipe - nitinb shape memory alloy connector system is analyzed by using the theory of solid mechanics and the recovery rules of nitinb shape memory alloy with constrains on the basis of analysis of the structure of the connector system and the all steps in the preparation and the service. a mathematical model for the strength was proposed. the temperature dependence of connecting force and the maximal stress intensity in the pipe connector in the process of preparation and service was studied by programming and computing. the computing results show that the difference of heat expansile coefficient between the coupling material and the pipe material leads to the strength of connector system at room temperature less than the strength at high temperature
通過分析管接頭結構以及制備、使用的各個步驟,運用固體力學的基本理論,結合nitinb形狀記憶合金在約束下的回復規律,對不銹鋼- -鈦合金管- -四川大學碩士論文nitinb形狀記憶合金管接頭系統內的應力狀態進行了理論分析,建立了強度的數學模型,通過編程計算,研究了不銹鋼一鈦合金管一nitinb形狀記憶合金管接頭系統裝配及使用過程中的抱緊力以及最大應力強度隨溫度變化的規律。This method applies the extended strip theory to establish the nonlinear ship motion equations in regular head seas, obtains stable time course by resolving in time domain, and then pressure vectors will be available. the pressure includes static pressure, incident waves pressure, diffraction pressure, radiation pressure, and wave impact pressure, and changed with instantaneous draft of each intersection
該方法應用擴展的切片理論建立迎浪規則波中船舶非線性運動方程,通過時域步進求解獲得船舶剛體運動的穩定時歷,進而給出與船體各橫剖面瞬時吃水相對應的靜水壓力變化、入射波壓力、繞射壓力、輻射壓力和波浪沖擊壓力諸分量。Because color isochromatic fringes appear in the stress model based on a plane polariscope in white light, we studied the problems systematically by a digital camera as image inputting device, digital image processing technique and bp artificial neural network. based on the work that has been reported before, a technique named five - step color phase shifting technique ( fcpst ) to acquire single isoclinics is presented
根據白光入射時應力模型在偏振儀光學系統中的等色線條紋是彩色的特點,本論文採用彩色數碼相機作為數據採集與輸入設備,結合彩色信息圖像處理和bp神經網路等新技術,對上述兩個難題進行了系統的研究,獲得以下成果:在綜合前人工作的基礎上,提出獲得全場單純的等傾角相圖的五步彩色相移法。This system provides photo elastic, moire, holographic, speckle technology contained in optical measure strain and displacement analysis software interface, and mainly realizes photo elastic image collection, interference image pretreatment, automatic skeleton extract method, automatic main strain trace protraction method and planar photo elastic image strain analysis function. all the work that the author has done has established a good foundation for more realization of an intact optical measure image strain analysis software system. furthermore, engineer and lab assistant can quickly obtain concise, intuitionistic and quantificational information
該系統提供了光測力學所包括的光彈法、雲紋法、全息法以及電子散斑法等技術應力和位移分析軟體實現的介面,主要實現了等差線圖像和等傾線圖像的採集、干涉條紋圖像預處理、全自動提取光彈條紋圖像骨架線、全自動繪制主應力跡線以及二維光彈應力分析功能,為進一步開發完整的光測力學圖像應力分析軟體奠定了基礎,同時使工程技術人員以及實驗人員能夠迅速的獲取簡明、直觀、定量的信息。Combining with the research task researching on the deformation and stability of deep excavated cuts and high filled embankment of the traffic department in fujian province, based on the residual soil slope project on the project site at k15 + 183 of yong - zhang highway ( yong ' an section ), adopting non - linear theory, modern monitoring technology and numerical simulation technology, the deformation and stability of cutting cliff debris and residual soil slopes have been studied systemically and synthetically in the thesis. at the same time theory analysis, the analysis and estimate of field monitoring are taken into account in this course. main research work and working achievement are summed up as follows : ( 1 ) with the acquaintance of the trends and development about the deformation and stability of slopes at home and abroad, slopes are classified and summarized systemically
並通過k15 + 183工點路塹土質邊坡的各類位移變形的監測成果驗證了該程序的正確性及適用性; ( 5 )通過應用大型有限元軟體ansys模擬分析,不僅分析了其隨著開挖時間步的應力應變關系,並模擬了與實際測斜管相匹配的測斜路徑,通過對各開挖時間步的模擬計算分析,得到了與實測數據較符合的結果; ( 6 )綜合監測分析成果和極限平衡理論計算分析成果,對k15 + 183工點路塹邊坡的原設計坡率和幾何形態進行了優化計算分析,取得了較為滿意的結果。The characteristics of stress and displacement in tunnel surrounding rocks are studied. the change feature of the stress in surrounding rocks and the variations of stress and the displacement of prop structure in different excavation step are analyzed with 3 dimensional fem. finally, the construction method is proved to be reasonable and scientific
通過三維有限元計算研究了隧道圍巖的應力、位移特徵,分析了隧道圍巖不同開挖時步的應力變化特點以及支護結構的應力與位移的變化特徵,進而論證了該施工方法的合理性和科學性。Firstly, basing on the knowledge of soft magnetic materials fabricated by the powder metallurgy ( mp ), we brought forward a new ideal about the composite powder, which is to distribute brittle metal powders ( si ) to the surface and gaps of the plastic ones ( fe ), then composite particles in which plastic metal powder is packaged by brittle ones are formed by further deformation
基於粉末冶金制備軟磁材料的相關基礎知識,我們首先提出一種全新的粉末復合思路,即將脆性金屬粉末以不同粒度范圍分佈在塑性金屬粉末的表面和間隙中,在進一步受應力變形時,形成塑性金屬包裹脆性金屬的復合包裹體。Step - down - stress accelerated life testing - statistical analysis
威布爾模型下簡單步進應力加速壽命試驗的區間估計Step stress test
步進應力試驗Maximum likelihood estimation in the simple step - stess accelerated life testing based on grouped data
分組數據下簡單步進應力加速壽命試驗的極大似然估計Statistical analysis of type - step - increasing data under step - stress accelerated life testing of two - parameter weibull distribution
型截尾步進應力加速壽命試驗的統計分析Parameter estimation of the weibull distribution tampered failure rate model under a normal stress
分佈步進應力加速壽命試驗損傷失效率模型參數的近似極大似然估計和逆矩估計Statistical analysis of mixed data in weibull distribution from life test under stepwisely acceterated stress
三參數威布爾分佈條件下的無線電引信步進應力加速壽命試驗與數據處理The statistical analysis of geometric distribution based on type - tampered failure rate model under simple step - stress accelerated life testing
對步進應力加速壽命試驗提出損傷失效率模型( 3 ) the point estimations of parameters under the constant stress and step - stress accelerated life testing are derived in this part, respectively
( 3 )恆定應力、步進應力加速壽命試驗下參數的點估計。Approximate maximum likelihood estimate and inverse monent estimates of the parameters of the tampered failure rate model for the weibull distribution in a step - stress accelerated life test
總定數先定時截尾情況下簡單步進應力加速壽命試驗的優化設計For example, the weakness in metals etc. caused by repeated stress. this article gives the point estimation of parameters based on tampered failure rate model for weibull distribution under step - stress accelerated life testing
本文是針對損傷失效率模型( tfr )模型就weibull分佈產品在步進應力加速壽命試驗下研究了參數的點估計。Because of the former anchorage systems designed according to matching 1860mpa strength strands in the beginning of 90 ", they can not be suitable any more for the super strength strands with 2000mpa. therefore, some accidents occurred such as strands sliding and broken when tensioning. in addition, the advantages of the new materials as their high mechanics performance are not be used completely as the prestressing structures was designed as per the 1860mpa strands, which will result in the waste of materials, in view of the above - mentioned facts, by means of analyzing the development of anchorage systems home and abroad, in connection with the characteristics of the super strength strands ( 2000mpa ), this topic made a research on hvm15 anchorages by theoretical calculation and finite element analysis, and also on the manufacturing process and test
隨著預應力技術的發展和冶金工業冶煉技術的不斷進步,預應力鋼絞線的強度不斷提高,由原來1470mpa提高到1860mpa , 90年代末期已出現了2000mpa超高強鋼絞線,而原來的是在90年代初期按抗拉強度為1860mpa的鋼絞線標準設計的,因此,原有的錨具已不能適應現有超高強度2000mpa的鋼絞線強度要求,在工程中出現了斷絲滑移現象,同時,在使用和設計時仍按1860mpa鋼絞線的指標進行設計應用,沒能充分發揮材料的力學性能,造成材料浪費。分享友人