破裂模數 的英文怎麼說
中文拼音 [pòlièmóshǔ]
破裂模數
英文
modulus of rupture-
Ceramic tiles - determination of modulus of rupture and breaking strength
瓷磚.破裂模數和破壞的測定According to the stress wave theory on explosive exploding propagating in the rock, it builds up mathematical model of fractural ranges in the rock, and carry out actual calculation and analysis on fractural range of bench shooting in deep - hole. as a result of calculation, the lateral and bottom fractural range are about 1. 9m
根據炸藥爆炸在巖石中傳播的應力波理論，建立巖石爆破破裂范圍數學模型，並對深孔梯段爆破破裂范圍進行了實行計算分析，計算結果為：混裝乳化炸藥巖石深孔梯段爆破側向底部破裂范圍為1 . 9m 。They are expanding model of the bomb body, bursting model of the bomb body and motion model of the fragments. according to the models, the paper gives a detailed algorithm for the whole process of the bomb explosion. ( 7 ) based on the explosion mechanism and the stochastic characteristic of the shell, the paper advances some reasonable hypotheses and supposes that the explosion process of the shell is a markov process, thus constitutes two explosion models of the shell : the imitation model an
（刀從爆炸的機理出發，利用合理的假設，將殼體的爆炸過程處理為馬爾可夫過程，把爆炸的機理同爆炸的隨機性聯系在一起，建立了殼體爆炸的兩種模型:模擬模型和簡化模型，提出了破裂程度的倍密度函數和破裂方向的倍密度函數兩個概念，得到了基於半邊結構的虛擬殼體爆炸過程中任一條邊出現裂縫的概率公式。Centered on the investigation on the evolvement of permeability as well as the coupling action between seepage and stress, the following work is carried out : 1. a further examination is given to classical biot seepage theory to discover the basic assumption to form the coupling seepage equation, and discuss the variety of coupling equations between seepage and stress and their adaptabilities. the physical meanings, adaptability, testing method of seepage parameters used in equation of continuum are analyzed based on the experimental investigations on complete relationship between stress, strain and permeability of rock and engineering test on permeability of rock at different depth
本文圍繞巖石破裂過程中滲透性的演化規律及其滲流-應力耦合作用機理這一課題，開展以下方面的研究工作: 1 .對經典biot滲流力學做了進一步的考察，揭示建立耦合滲流方程的主要假設，討論了各種滲流與應力耦合方程及數學模型的適用條件，通過巖石應力應變-滲透率全過程實驗研究和不同深度巖體滲透率工程試驗研究，分析了連續介質模型耦合滲流方程參數的物理意義、適用性、測試方法。In numerical simulation, the elastic zone is only considered and the effect of blasting waves on the rock medium, after attenuating through crushing zone and ruptured zone, becomes an input load
數值模擬僅考慮彈性區域，爆炸波對巖石介質的作用經粉碎區、破裂區衰減后成為輸入荷載。The integrated identification of fractures with the bpo interpretation of logs and the 3d seismic fracture interpretation technology were used to predict the development and distribution rules of fractures in ve rtical and plane directions of mesozoic reservoirs of baigezhuang region. the plane distribution of the stress fields of different major oil reservoirs determined with finite element numerical simulation provides a theoretical foundation for the research of the plane distribution of the fracture. thus, the quantitative prediction of the tectonic fractures is possible
本文應用測井參數的bp神經網路裂縫綜合識別方法、三維地震裂縫檢測技術，預測了柏各莊地區中生界儲層平面或縱向上裂縫的發育分佈及規律；並用有限元法數值模擬技術展示出不同主力油層的平面古應力狀態，為研究裂縫的平面分佈規律提供了理論依據；在此基礎上，依據巖石破裂準則進行了構造裂縫定量預測。At the same time in this paper we analyze nonlinear behavior of masonry through finite element method program and obtain its load when the wall start to crack and when it destroy, the p - u curve and so on. a comparison has been made between the data obtained from the experiment and the calculated through finite element method program so that we can study the cause of crack. in this paper we use finite element method to study concrete ' s character to analyze masonry, satisfactory results have been attained
因此本文在對灰砂磚砌體進行力學性能試驗的基礎上，分析其裂縫產生的破壞模式與開裂機理，並論述了將斷裂力學知識運用於研究砌體裂縫問題的可行性；同時，本文運用有限元方法對結構低周反復加載靜力試驗所做的灰砂磚墻片進行非線性分析計算，得出墻片的開裂荷載、極限荷載、 p ? u曲線，裂縫在墻體上的分佈等，與試驗所得數據對比，以便於研究裂縫的開裂機理，並將研究混凝土的有限元方法運用到對砌體的研究中，取得了較滿意的結果，為類似的試驗分析提供了一條新的思路。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。Ceramic tiles - part 4 : determination of modulus of rupture and breaking strengh iso 10545 - 4 : 1995 ; german version en iso 10545 - 4 : 1997
瓷磚.第4部分:斷裂模數和破壞強度的測定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。And also we study the bubble flow behavior of the bubbling fluidized bed. the single bubble and continuous bubble formation, rise, break and coalesce characteristics are studied separately and compared with the experimental data. it shows good consistency
隨后研究了鼓泡床內的氣泡運動變化規律，分別模擬了單個氣泡和連續氣泡的生成、生長、破裂以及合併等的行為特性並且和實驗數據進行了對照，取得了較好的結果。Numerical simulation on splitting failure mode of rock under static and dynamic loadings
靜態和動態載荷作用下巖石劈裂破壞模式的數值模擬In this paper, by using non - linear finite element software, ansys / ls - dyna, simulate a forming of auto fall to ground skeleton part, get the contour of the semi - finished product, forecast the change of the blank thickness and the probable wrinkling, cracking, and from the simulation of the spring - back, obtain the spring - back tendency. so, get technology parameters, which are inextricable to forming production. all these will pose great significant to production in theory and reality
本文運用非線性有限元軟體ansys ls - dyna對汽車落地骨架零件進行了沖壓成形的數值模擬，得出了毛坯外形，預測了成形過程中板料壁厚變化和可能出現的起皺、破裂現象，通過回彈模擬，預測了回彈趨勢，獲得了該類零件成形所需要的工藝參數，對實際生產具有一定的指導作用。For instance, numerical simulations show that in discrete models made of interacting blocks carrying a continuous scalar stress variable, the average stress is about two thirds of the stress threshold for rupture
例如，數字化模擬顯示，由相互作用的承載著連續梯度變化應力的地塊構成的離散模型中，平均應力大約為導致破裂應力極限的三分之二。This thesis integrates the borehole collapse model with the artificial fracture and imaging well logging to get the size and direction of in - situ stress, and set up the reasonable prediction model of fracture pressure and breakout pressure for carbonate profile, by making use of the rock mechanics parameters from logging information, based on comparing the present various prediction models
本文在此綜合應用井眼崩落法、人工壓裂法和成像測井法以確定地應力的大小和方向，並在分析比較國內外各種地層破裂壓力和坍塌壓力預測模型優缺點的基礎之上，從測井資料中提取多種巖石力學參數，建立了適合於碳酸鹽巖地層的破裂壓力和坍塌壓力預測模型。( 6 ) the paper advances a data structure that is suitable for the simulation of bomb explosion. the data structure is called stochastic half - edge data structure with motion characteristics. by considering the mechanics and the correlative characteristics of the explosion, the paper constructs three models corresponding to the three phases during an explosion
（ 6 ）提出了一個適合於虛擬彈體爆炸的具有運動特徵的隨機半邊數據結構，並在爆炸力學的基礎上，根據爆炸的相關特徵構造出虛擬彈體爆炸過程中三個階段的模型：彈體的膨脹模型、彈體的破裂模型以及破片的運動模型。Numerical simulation on failure process of pre - cracked rock disk under dynamic loading
含預制裂紋巖石試樣在動載荷作用下破裂模式的數值模擬Ceramic tiles. part 4 : determination of modulus of rupture and breaking strength
瓷磚.第4部分:斷裂強度及破裂模數的測定Standard test method for modulus of rupture of refractory materials at elevated temperatures
高溫下耐火材料破裂模數的標準試驗方法Methods of test for dense shaped refractory products. part 7 : determination of modulus of rupture at elevated temperatures
緻密異型耐火產品的試驗方法.第7部分:高溫時破裂模數的測定分享友人