裂縫模型 的英文怎麼說
中文拼音 [lièféngmóxíng]
裂縫模型
英文
fractured model- 裂 : 裂動詞[方言] (東西的兩部分向兩旁分開) open
- 縫 : 縫名詞1. (接合處) seam 2. (縫隙) crack; crevice; fissure; slit
- 模 : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
- 裂縫 : 1. (裂開的縫兒) rent; rip; hiatus; tear; rift; crevice; crack; fissure 2. [地質學] fracture; rupture
- 模型 : 1 (仿製實物) model; pattern 2 (制砂型的工具) mould; pattern3 (模子) model set; mould patter...
-
For this purpos, from the point of the log geology, aimed at the actuality of the current fractured reservoir log geology interpretation and evaluation, based on synthetical analysis of the current domestic and foreign fruit of fractal dimension investigation of reservoir fracture, using the method and technique of fractal dimension, through the further discussion of the fractal dimension characteristics of m index and n index in the log interpretation archie model in a sample way and through the theoretic reasoning to the fractal dimension dfa and m index of fractured reservoir interval ' s log curve, according to the geophysical signification of the fractal dimension dfa of fractured reservoir interval ' s log curve shape : the more complicated the change of the curve shape is, the larger the its dfa value is, then the more complicated space structure of fracture and pore, then the higher value of m index of space structure of fracture and pore, and so on, the text propounds an improved method, based on box dimension, of covering log curve with scale grid, and by programming computes the dfa and its m index value of fractured reservoir interval ' s log curve, for instance, ac and rt curve, ect, then further puts this technique into application investigation, and makes analysis of application effects in the reservoirs located in l area of qx oil field from three aspects : 1. the dfa and its m index value of fractured reservoir interval ' s log curve, for instance, ac and rt curve, ect, which are derived from computing, is used to identify reservoir type by crossplotting m index with the product df _ acrt of fractal dimension of acoustical wave log curve and restivity log curve and by experiential discriminance plate of reservoir type in l area of qx oil field
因此,對該區裂縫性儲集層的類型識別、孔滲特徵的測井地質解釋以及儲層裂縫的發育和分佈規律進行深入的研究便成為本文研究的出發點。為此,本文從測井地質的角度,針對當前裂縫性儲層測井地質解釋與評價的現狀,在綜合分析當前國內外儲層裂縫的分形分維研究成果的基礎上,利用分形分維方法和技術,通過對archie測井解釋模型中的m指數、 n指數的分形分維特性的深入淺出的論述以及裂縫性儲層段測井曲線分維d _ ( fa )與m指數的理論推導,根據裂縫性儲層測井曲線形態分維值的地球物理意義? ?曲線變化越復雜,則其分維值d _ ( fa )越大、裂縫孔隙空間結構越復雜、裂縫孔隙空間結構指數m值越高等特徵,提出了改進的基於盒維數的測井曲線網格覆蓋法,編程計算了裂縫性儲層段常規測井曲線(如聲波和電阻率曲線)上分形分維值及其m指數值,進而從以下三個方面對qx油田l區塊的裂縫油藏進行應用研究,效果十分理想: 1將計算得到的可變的m指數與聲波和電阻率分維之積df _ acrt進行交繪,採用儲層分維值分類技術統計分析這些參數變化的規律,並結合qx油田l區塊儲層類型經驗判別圖版,從而實現qx油田l區塊下白堊統的裂縫性儲層的類型識別。During the previous analysis of asphalt pavement structure with cracks, the stress intensity factors were usually calculated approximatively using plane strain model for some limitation. however, the assumptive load of this model is not coincident to the practical load
在以往分析含裂縫的瀝青路面結構時,由於條件的限制,通常是假設瀝青路面結構近似為一平面應變模型,但是這種模型所假設的荷載與實際作用的荷載有較大的區別。The paper studied tests on three epiboly profiled bar concrete beams, bearing capacity of normal section, stiffness and behavior of cracks, and put forward formulas as advise. based on extant nonlinear concrete theory, a fem model was built by ansys program. the results of fem analysis was verified by tests data. some parameters in fem model were changed to build different models and the analysis results were compared with the advised formulas
本文通過三根外包型鋼混凝土梁試驗,研究了其正截面承載能力、剛度以及裂縫方面的性質,並提出了一些相關建議公式。同時在現有混凝土非線性分析理論的基礎上,採用ansys有限元分析程序建立了外包型鋼混凝土梁的有限元模型,結合試驗數據對模型進行了驗證,另外還改變了一些參數建立了有限元模型,並和建議公式的結果進行了對比。6 ) fmi is used to visually identify fractures, but furthermore to calibrate conventional well log data and develop fracture prediction model
Fmi對裂縫識別直觀有效,但其意義更在於刻度常規測並資料,建立裂縫的預測模型; 7The method and the application of parameter determination for imbibition model in fractured reservoir
裂縫性油藏滲吸模型參數確定方法及應用Most damage of construction is due to the crack, so people always consider the beginning of crack as the sign of danger, it always makes people fear. with the development of economy in our country, the dimensions of construction is larger and larger, and the engineering is growing towards large - scale and complexity, because the refresh of material of concrete, the strength of concrete is improved, but a lot of crack appears in the engineering. in recent years, as the further development of economy in our country, the need of steel in the engineering is increscent, but the supply of steel in our country can not satisfy with the need, the price of steel is continuously rising, so it gives us a problem, we must save steel in designing construction and simultanentily controlling the crack of construction. so it gives us a new question on crack study
由於建築物的破壞往往始於裂縫,所以人們一般把裂縫的出現視作危險的徵兆,裂縫使人們產生恐懼感。隨著國家經濟的發展,工程建設規模越來越大,工程結構朝著大型化、復雜化的方向進展,隨著混凝土原材料的不斷更新,混凝土強度等級的不斷提高,在實際工程上出現了大量的裂縫問題。近年來隨著國家經濟的進一步發展,用於工程建設的用鋼量日趨增大,而國家的鋼材供應量不能滿足日趨增大的市場需求量,導致鋼材的價格不斷上漲,這就要求我們在節約鋼材用量的基礎上來設計控制工程中的裂縫問題,這也就給裂縫研究提出新的課題。The temperature cracks are calculated by use of a crack band model, and the stress and cracking of the concrete wall are computed by using the half - analytical iteration method
採用裂縫帶模型計算溫度裂縫,用半解析迭代法進行了混凝土墻的溫度應力和開裂計算。To avoid manual labor of chiseling - grossness, in the area of second - stage concrete construction, permanently non - removed metal molding boards nets are used as molding boards of first - stage concrete. substitution joints of reinforcing steel bars for traditional electric welding and usage of equipments for joints of reinforcing steel bars efficiently improve strength of junctions and rate of connecting reinforcing steel bars, and safety of construction and stability of quality, and greatly reduce cost. it ' s possible that three gorges project become top - ranking project in the world by study on systems engineering of high - strength concrete construction
混凝土縫面處理採用高壓水流沖毛技術,大大提高了施工工效,減少了倉面污染;模板工程大量採用定型鋼模板施工技術,提高了壩體混凝土成型質量和工程進度;在二期混凝土施工區域,為免除人工鑿毛勞動強度,採用永久性免拆金屬模板網作為一期混凝土模板;鋼筋連接改進傳統的電焊連接方式,採用大量採用鋼筋接頭機械連接技術,有效提高了接頭強度和鋼筋連接速度,施工安全性大大加強,質量穩定性有效提高,經濟成本大大降低;三峽二期工程持續高強度混凝土施工系統工程的研究,使三峽工程成為名符其實的「世界一流工程」成為可能;三峽二期工程混凝土溫控綜合技術的應用,有效降低了壩體混凝土溫度的產生;混凝土表面處理及裂縫處理技術的應用,提高了建築物的整體性和耐久性。And it can be concluded that simulating cracks on cbcbb by finite element method ( fem ) is feasible and reasonable. finally, simplified experimental model was built and analyzed by ansys under day changing and year changing temperature field. the typical cracks on top floor ' s walls were achieved, so the simulation method is reliable
最後建立了砌塊建築簡化的整體有限元模型,並對其進行了日變化、年變化溫度場下的裂縫模擬分析,真實、可靠地模擬出了砌塊建築頂層及次頂層的裂縫情況,包括南、北縱墻窗角斜裂縫和東、西山墻與內縱墻結合處裂縫以及端開間內縱、橫墻斜裂縫等。As we all know that damage constitutional law of concrete is fit for solving mass little cracks situation, that fracture mechanics model is fit for solving only a few cracks situation, that separate crack model is only fit for dealing with those cracks whose locations is known firstly. but these situations do n ' t reflect the crack characteristic of the steel liner - reinforced concrete penstocks of the three gorges. so, this paper adopts the smear crack model to simulate crack
基於損傷力學模型更適合解決成群微裂縫問題,斷裂力學模型更適合解決少數裂縫情形,離散裂縫模式只能解決裂縫位置預先知曉的情形,這些都不符合三峽水電站鋼襯鋼筋混凝土引水壓力管道的裂縫特點,為此本文採用彌漫裂縫模式來進行裂縫的數值模擬,該裂縫模式能解決裂縫位置預先不知曉的情形,且能連續分析而無須重新劃分網格。This paper is taking model seismology theory as guidance, regards ultrasonic experimental method as major research means, and has made artificial crack and pore model according to physical model similar principle with various materials
本文以模型地震學理論為指導,把超聲波實驗方法作為主要的研究手段,根據物理模型相似性原理,用多種材料製作了人工裂縫模型和孔洞模型。Finally, the crack width computation is discussed. as the crack model ca n ' t calculate the crack width alone, this paper adopts the method of combining the crack model and the experiential formula of space between crack. considering the uniformity factor is ignored in the experiential formula of space between crack, the formula of space between crack is modified so that it is fit for the real case
基於等效彌漫裂縫模型計算裂縫寬度有很大的局限性,本文採用了有限元法和經驗公式相結合的方法來計算裂縫寬度值,考慮到所引用的裂縫間距經驗公式忽視了鋼筋布置的不均勻性這一重要影響因素,本文對引用的裂縫間距經驗公式進行了修正,使之更符合實際情況。( 3 ) we can detection the azimuth of crack growth by abnormal amplitude or the discrepancy of wave - speed. ( 4 ) we can guess whether crack contains fluids by the change of p - wave speed. second, using pore model, under press and temperature, we have studied the influences of pore density on the characteristic parameters of seismic wave
第一、利用人工裂縫模型,研究了裂縫密度、方位和張開度的變化對地震波屬性參數的影響,根據實驗結果,總結出:可利用橫波分裂的不同程度來檢測裂縫密度的高低;可利用縱橫波的振幅、主頻、衰減(或品質因子q )和主振幅的變化來檢測裂縫張開度的變化;可利用速度的差異和振幅異常來檢測裂縫發育的方向;可利用縱波速度的變化來推測裂縫中是否含流體。With this in minds, many researchers have proposed a variety of models for describing the nonlinear fracture of concrete for the past decades. amid them most take the critical stress intensity factor kic as the fracture toughness, a sign of ability to resist the crack extension
對此,在過去的幾十年裡,眾多研究人員提出了很多描述混凝土非線性斷裂的模型,而其中的大多數斷裂模型都以臨界應力強度因子k _ ( ic )作為抵抗裂縫擴展阻力的斷裂韌度。As examples, heterogeneous anisotropic fractured rocks of which the autocorrelation functions of crack number density can be described as 2 - dimensional exponential ellipsoidal or gaussian function were simulated especially. the results show that : 1 ) the random distribution characters could be different for different elastic constants under the same random distribution of crack number density. 2 ) the exponential ellipsoidal heterogeneous anisotropic random fractured model could be a suitable model for the multi - scaled and self - similar heterogeneous media
模擬結果表明: 1 )彈性常數的分佈特徵與裂紋數密度的分佈特徵不相同,並且裂紋數密度對不同的彈性常數有不同程度的影響; 2 )指數橢圓型隨機裂縫模型適用於模擬具有多尺度、自相似的特性非均勻裂縫巖石; 3 ) gaussian型隨機裂縫模型適用於模擬單尺度、平滑的非均勻裂縫巖石。With artificial neural network to consider affecting the rock to crack in pre - split blasting, people have established the calculation of intelligence model system which can predict and forecast the result and overcome the lack of the theory, model and empirical formula. the system has very great realistic meaning in designing and guiding actual engineering. with the rock ' s crack in pre - split blasting as the studied object, the reason of crack of mineral and rock in pre - split blasting and the parameter design are studied in the paper
運用人工神經網路綜合考慮影響巖石預裂爆破成縫的因素,建立運算模型智能系統,可克服目前預裂爆破成縫理論、成縫模型、經驗公式的不足,對實際工程的設計與指導,具有很大的現實意義本文以巖石預裂爆破成縫作為研究對象,對礦巖的預裂成縫機理及其參數設計進行了研究。The main work and achievements are summarized as follow : hudson ' s crack model and liu ' s fracture model were introduced. the anisotropic properties of rocks with dry and water - filled parallel fractures were discussed
全文主要工作包括以下幾個方面:介紹了hudson的幾種裂紋模型以及劉恩儒等提出的裂縫模型,用彈性常數隨角度的變化關系圖討論了含排列干充水裂縫巖石的各向異性。In combination with geology, logging and oil production, an integrate technique is used to build the static models for the reservoir, and the simulation software of fully implicit 3d and 3 - phase black oil model is used to describe the distribution of residual oil in quantity
在綜合研究鉆井、測井和開發動態資料的基礎上,運用油藏描述一體化系統建立了油藏三維靜態模型,並應用全隱式三維三相黑油裂縫模型進行了模擬運算。Based on a discussion of some key problems in structural design, such as the constitutive relationship, element model, crack model, material strength, and load determination, the calculation principle, which should be followed in hydraulic structure design with rcfem, is presented
通過對本構關系、單元模型、裂縫模型、材料強度和荷載取值等關鍵問題的討論,提出了應用鋼筋混凝土有限元法進行水工結構設計時應遵循的計算原則。The effect of load on the crack is discussed using numerical simulation approach. then, the data mining approach to the unfavorable load combination of the crack is proposed using artificial neural network. the rule of the unfavorable load combination of the crack is generated and three dimensional load combination is given
( 2 )概要闡述了溫度場的模擬,研究了薄層單元和分佈裂縫模型,應用數值模擬分析方法,結合工程實際,分析了荷載對裂縫的作用效應;在對人工神經網路方法與數據挖掘關系深入研究的基礎上,提出了基於神經網路的裂縫不利荷載組合挖掘方法,提取裂縫的不利荷載組合,並研製了三維荷載組合曲面圖。分享友人