離散元分析 的英文怎麼說
中文拼音 [lísǎnyuánfēnxī]
離散元分析
英文
discrete-element analysis- 離 : Ⅰ動詞1 (離開) leave; part from; be away from; separate 2 (背離) go against 3 (缺少) dispens...
- 散 : 散動詞1. (由聚集而分離) break up; disperse 2. (散布) distribute; disseminate; give out 3. (排除) dispel; let out
- 分 : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
- 析 : Ⅰ動詞1. (分開; 散開) divide; separate 2. (分析) analyse; dissect; resolve Ⅱ名詞(姓氏) a surname
- 離散 : dispersed; scattered about; separated from one another; spread; debunching; straggling; fringing;...
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Surface reconstruction method based on fea surface of 3d unorganized points is divided into four modes according to the special features of points on surface in this thesis
( 2 )基於有限元分析的曲面重構方法根據離散數據點的不同特點,本文將離散數據點曲面分成四種模型。Abstract : in this paper, a trimming method for subdivision surface is presented. it is applied well in the cad / cae system of plastic injection molding, and also useful for other designing of products and field of fem analysis. experimental results show that the method is highly automatic, quick and stable
文摘:介紹一種基於離散曲面的裁剪演算法,該演算法適用於注塑模cad / cae或其它產品設計和有限元分析的領域,實踐證明該演算法自動化程度高、速度快、穩定可靠According to the geological data which was gained by exploration investigation, establishing a geological model which can reflect rock mass characteristics ; with analyzing the internal and exterior factors synthetically, the deformation and possible failure mechanism and mode of the cut slopes was confirmed which combines with stereoic projection and other techniques ; the stabilities of the 14 high slopes are estimated synthetically by applicable design codes and guidelines. with the estimate result and some other analysis methods, the rock mass mechanical parameters of slope are identified ; as a results, 14 high slopes fall into 4 categories based on rockmass characteristics and discontinuities. the stability and deformation of some typical slopes was analyzed with distinct element method by udec ; the safety factor of some dangerous slopes are calculated by rigid limiting equilibrium method for comparison
首先著重研究影響邊坡穩定性的內在因素,主要是通過地質勘探、測量、現場觀測等手段取得研究區地質體的基礎地質資料,建立起能夠反映地質體結構特徵的地質模型;隨后綜合分析潛在的內外部影響因素,並結合赤平投影對邊坡可能的失穩模式或破壞機製作出判斷;運用已有巖體質量分類方法對沿線14個高陡邊坡穩定性進行初步的評價,並結合試驗研究、經驗判斷、工程類比等手段確定了坡體的巖體力學參數;根據穩定性初步評價結果將研究區14個高陡邊坡按開挖方式分為4大類,並利用離散元程序udec對各類典型高陡邊坡進行了穩定性計算分析;對潛在危險邊坡利用剛體極限平衡法求出了不同工況下的安全系數。Use the system, we calculate a large amount of examples, such as colliding at a high speed, explode and rank silt course, wears at a high speed etc. illustrate the dependability and practicality of the procedure too at the same time
利用本離散元前後處理系統,我們計算了大量的例題,如高速碰撞過程,爆炸排淤過程,高速穿甲過程等等,考證了本程序的可靠性與實用性,為我們離散元計算分析提供了有力的工具。The discrete element method ( dem ) is a powerful tool in analyzing granular assembly. the granular discrete element method can be applied to the partials, whose shape can be approximately described as a sphere
離散元法( dem )是分析散體力學行為的數值方法,顆粒離散元法適用於單個幾何形狀可用圓球近似而不產生顯著差異的情況。So how to transfer scientifically self - balanced test data into top load curve according to its actual working behavior, become the obstacle of its practical application. in accordance with actual forcing behavior and reaction mechanism between pile and soil, the article analyzes the relation between top part and bottom part, load transferring mechanism and difference with other loading way by ansys program. so the reliability of determine bearing capacity by self - balance method has been proved
本文根據自平衡加載方式下樁身的實際受力狀況、樁土間的相互作用機理以及單樁破壞機理,建立了單樁的離散元模型,採用ansys通用分析軟體,選取合理的單元類型、材料特性等,數值分析了基樁在自平衡加載方式下上下樁段的相互關聯、荷載傳遞機理以及與其它加載方式的區別,論證了採用自平衡試樁法測定單樁極限承載力的可行性。This paper establishes the fem model of the steel structural frame of mechanical parking equipment and conduct optimization of the frame ' s discrete variables by using genetic algorithm
摘要建立了機械式立體停車庫鋼結構骨架有限元分析模型,並應用遺傳演算法對結構進行了離散變數優化設計。The electromagnetic field theory and the variation method is applied to found the 2d mathematics model during the process of starting of the induction machine with compound cage rotor. the dispersion, element analyse and collectivity composing of time - variation field are given
利用電磁場理論和變分法建立了復合籠條轉子感應電動機起動時二維電磁場的數學模型,給出了正弦時變場單元分析過程和離散格式以及最終的總體合成方程。Firstly, the domestic researches, which have been reported, are introduced. then the characteristic of the system in estimation of prestressing losses is analyzed by theoretical method, and the reasons that the elimination of tendon is large and test results are not consistent are pointed. using fem software ansys, anchorage zone of pylon are analyzed
論文首先介紹了國內現階段對該問題的一些研究成果,然後從理論上分析了小半徑大噸位環向預應力體系在計算預應力損失方面的特點和造成張拉伸長量偏大且實測的數據離散性較大的原因,並採用國際權威的有限元分析軟體? ? ansys從理論上進行分析和索塔錨固區最不利節段的足尺寸模型試驗進行校驗。Analysis of arch dam - abutment stability by 3d deformable distinct elements
壩肩三維可變形離散元整體穩定分析Application of the cauchy ' y law of continua, the motion equation of the tetrahedral element is concluded, and discretization the analysis zone, applying the finite difference method, all tetrahedral differential equations of motion are converted into the nodal finite difference equation
快速拉格朗日分析程序運用連續介質的柯西定律,推導出四面體單元運動偏微分方程,並離散化分析區域,用有限差分計算方法,把所有的四面體單元運動偏微分方程等效成節點有限差分方程。Such contents were introduced as establish ment of analysis model of precision seed metering devices, seeds generation, neighborhood search & contact detection, data transfer and software integration, etc.
介紹了精密排種器離散元法分析模型的建立、種子的生成、鄰居搜索與接觸判定、數據傳遞及軟體集成方法。Based on this method, the integration of cad software and dem analyzing software was implemented for performance of agricultural machine ' s working parts by self - development, thereby an integrated analyzing and designing system was developed for precision seed metering devices of planters
在此基礎上實現了計算機輔助設計軟體與離散元法性能分析軟體的集成,由此開發出了一種播種機精密排種器的集成分析設計系統。Finally, the application of the discrete element method with an interstitial fluid is discussed. for this purpose, a dynamic compacting process and a retaining wall problem are simulated by dem. it is shown that these problems can be qualitatively analyzed by dem
對存在填隙流體時離散元法的應用進行了初步探索,對塊石土強夯過程和擋土墻問題等進行了簡單的離散元模擬,可以看出採用存在填隙流體時球顆粒間的作用規律后,可以對一些問題定性分析。The method of surface reconstruction based on finite element analysis ( fea ) is produced in research of interpolatory subdivision surface, and algorithm is designed according to the method of surface reconstruction
在對曲面插值細分的研究中,論文提出了基於有限元分析的離散數據點的曲面重構方法。Surface reconstruction method using 4 - point interpolatory subdivision surface is produced according to request of surface fea in this thesis. 3. algorithm design of surface reconstruction based on fea algorithm was designed according to surface reconstruction method in the thesis
( 3 )基於有限元分析的曲面重構演算法設計根據論文提出的離散數據點的曲面重構方法,設計了採用四點插值細分曲面網格點的曲面重構演算法。Coupling analysis of high slope stability in water - filled rock by using fracture network seepage and distinct element
裂隙網路滲流與離散元耦合分析充水巖質高邊坡的穩定性The 2 - d and 3 - d dem codes are developed using c - h - programming language based on the idea of ooa ( object oriented analysis ). a set of preprocess and postprocess code for the dem is also developed. the two codes in one become an integrative discrete element analysis system : s - dem ( super - discrete element method )
該計算程序與用opengl技術在vc + + 6 . 0環境下開發的功能強大的離散元前後處理程序構成了較為完整的離散元分析模擬系統s - dem ( super - discreteelementmethod ) 。The main research works of the dissertation are as follows : 1 ) preprocessing technology of unorganized diserete points : the relative research works were focused on two issues : boundary extracting from unorganized discrete points and generating of original surface, boundary extracting were realized on the basis of rules that disctete points are on the form of triangular mesh and the number of neighbor triangle of border points and inner points are different
論文的主要研究內容如下: 1 )離散數據點集的預處理技術研究了離散數據點的邊界檢測和初始曲面擬合問題。離散數據點的邊界檢測是根據有限元分析所得到的三角網格離散點,利用它的特點,使用離散點的相鄰三角網格的個數判斷是否是邊界點。Before being destroyed absolutely, the components of the structure are discussed with some properties such as stress, strain, cracks created and locations of the plastic gemels. based on the achievements all over the world, all kinds of numerical simulation methods are compared and a conclusion is drew which indicates that fem is more consummate than dem and dda. provided that the model and parameters are rationally selected, we can simulate the blasting process precisely as possible
在對國內外一些學者的工作進行總結和改進的基礎上,對當前的數值模擬方法分析比較后得出,離散元及dda等數值方法存在理論方面不成熟和應用范圍不廣等缺陷,而有限元理論發展至今,已經漸臻完善,只要建立適當的模型,參數設置合理,能比較精確地模擬框架結構爆破拆除。分享友人