運算元分裂 的英文怎麼說
中文拼音 [yùnsuànyuánfēnliè]
運算元分裂
英文
operator splitting- 運 : Ⅰ動詞1 (物體位置不斷變化) move; revolve 2 (搬運; 運輸) carry; transport 3 (運用) use; wield...
- 算 : Ⅰ動詞1 (計算數目) calculate; reckon; compute; figure 2 (計算進去) include; count 3 (謀劃;計...
- 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
- 裂 : 裂動詞[方言] (東西的兩部分向兩旁分開) open
- 運算 : [數學] operation; arithmetic; operating
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By two ways, this paper debates the theory of fracture detection : on one hand by the way of edge detection in image processing ; on the other hand by time series analysis. the detection by time series analysis is more antinoise than edge detection in image processing. edge detection theory in image processing mainly includes correlation data, fuzzy edge detection, entropy operator edge detection and gradient edge detection
圖像處理中的邊緣檢測的方法主要包括相干數據體法、模糊邊緣檢測法、基於熵運算元的邊緣檢測法、梯度邊緣檢測法;其中模糊邊緣檢測法比較依賴于參數的選擇,其渡越點兩邊的像素區別明顯;熵運算元的檢測方法則是檢測的圖像邊緣比較光滑,連通性好;梯度檢測法可以使用不同的運算元核,演算法比較簡單;相干數據體對于總體的大的裂縫的分佈具有比較奸的反應。Non linear static & dynamic finite element procedure is adopted for the true emulation of the four typical geologic profiles of the dam, and imitates to compute the each stage deformation and stress distribution from the dam fill to full water run and during the 7 degree seismic intensity, the article also imitates to compute the response to earthquake force, the excess vibration pore water pressure distribution and permanent deformation, predicting the occurrence possibility of the crac ^ plastic zone and earthquake liquefaction
採用非線性靜、動力有限元分析程序對圍壩的4個典型剖面進行了靜、動力模擬模擬,模擬計算了壩體自填築至蓄水運行和發生7地震各階段壩體及壩基的變形以及應力分佈,地震應力響應和地震引起的超靜振動孔隙水壓力分佈以及永久變形。判斷了壩體和壩基中出現裂縫、塑性區以及地震液化的可能性。Third, assay the intensity reliability of arm ' s body and the stability reliability of arm ' s base which take the crack surface into account with this sfem program. also calculate the index of corresponding reliability
然後運用隨機有限元程序進行拱壩壩體強度和抗滑穩定(考慮滑裂面)的可靠度分析,並計算相應的可靠指標。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。In this paper the basic principle of the method of characteristics is described, and is constructed an explicit scheme for dam break simulation of one - dimensional dam instant all break waves flow of a low dam with rectangle section and a huge dam with trapezia section, and of two - dimensional dam instant part break waves flow with simplest space operator splitting
本文模擬了一維矩形斷面低壩和梯形斷面巨型壩瞬間全潰的洪水波演進過程,給出了與分析解的比較,並結合運算元分裂的特徵線法對二維瞬間部分潰壩時洪水波的演進過程進行了數值模擬。When the author sets up the mathematics model with describing the process of two - dimensional debris flow, he develops the continuity equation by the law of conservation of mass and establishes the momentum equations by the law of conservation of momentum. the author makes full use of the advanced computer technologies, establishes the finite difference equation of numerical simulation by the differential operator fission method, and writes programs for computers which contact friendly with the other programs. the parameters are directly input on the keyboard
在泥石流堆積數值模擬方面,作者以前人工作成果為基礎,在建立數學模型時,根據質量守恆原理,推導建立了泥石流連續性方程,根據動量守恆原理,推導建立了泥石流運動方程;在數值解法上,充分利用高速發展的計算機技術,採用運算元分裂法建立數學模型的差分格式,開放式編製程序,人機對話方式設置參數,計算機程序具有通用性、可擴展性和易維護性。In this paper, a two - dimensional analysis of the tanjialiangzi bridge was first performed ; then a segment of the bridge was modeled and a three - dimensional analysis of it were carried out by employing the fem software of ansys ; after a careful analysis of the result of the calculations, the causes of the diagonal cracking in the web of the beam were given out ; and also, in the last part, common steps of damage evaluation of the long - span pc continuous bridges through fem software were summarized
本文首先對譚家梁子大橋作平面計算分析;然後運用ansys軟體建立該橋局部梁段的空間有限元模型,並在此基礎上進行空間局部有限元分析;通過對計算結果的整理和分析,從設計方面探討了該橋腹板斜裂縫產生的原因:此後,針對病害成因,本文提出了裂縫修補和腹板加固的方法;最後總結了運用有限元軟體分析同類橋梁病害的一般方法。Further, analyse the characteristic of the seismic wavefield of fractural reservoir and the influence caused by fracture density, property of the filled material and the strike of fracture. fifthly, in term of research of zhangshulun et al., concisely discuss the arithmetic of the plane wave forward modeling and migration with phase shift method, in prestack common offset gathers and check the arithmetic by numerical simulation
第四,用基於彈性?聲學近似的反射系數計算公式和本文提出的付氏變換子波生成法得到縫洞模型的反射系數模型和子波模型並用vrselrf波場延拓運算元對其進行地震波場數值模擬;進一步分析了縫洞儲層的地震波場特徵及縫洞密度、充填物性質和裂縫走向對其波場特徵的影響。By applying " none homogeneous multi - laminate element ", hong - kou rcc gravity dam ' s simulation computing of temperature field and stress field at construction period and operation period for all courses and many factors. e. some kinds of methods are discussed in detail for temperature field back analysis, and artificial neural network method for back analysis of thermal parameters of concrete is suggested
應用「非均質層合單元法」實現了洪口碾壓混凝土重力壩施工期、運行期全過程多因素的溫度場及徐變應力場的模擬計算,進行多方案的比較分析,推薦出優選溫控防裂方案,取得了非常滿意的成果。Local error estimate for method of operator splitting for convection - diffusion equations
擴散方程運算元分裂方法的局部誤差估計Operator - splitting method for calculating uniform flow depth s and bed widths of rectangular open channels
矩形明渠均勻流水深和底寬的運算元分裂演算法In this model, the operator splitting technique, staggered grid technique and finite difference method were used
採用運算元分裂法、交錯網格法、有限差分法進行計算。In the fea part of this paper, to find the avulsion cause of the jh125 motorcycle frame, the analysis model of the frame was built by ansys software. structural static analysis and structural modal analysis were processed. as a result, prediction of damage cause, and stress waveforms of the high - stress regions was achieved, and it was proved by modal experiment that fea analysis is correct
在本文的有限元分析部分,運用ansys軟體對嘉陵jh125車架的斷裂分析入手,建立了該車架的有限元模型,並進行了靜力學和動力學計算,找到了車架危險區域和斷裂的原因,並通過車架模態試驗對理論分析結果進行了驗證。The main work done in this paper is as follows : ( 1 ) simulate the temperature field of basement wall by ansys software, sum up the characteristics of the temperature field of basement wall, and analyze the influence of the types of the molding board, environmental change and cement content ; ( 2 ) the whole simulation analysis process of early - age concrete stress field is realized by sub - development of ansys, and cts - ansys software is developed with fortran ; ( 3 ) based on the cause of cracking, the influence of the thickness of the wall, length, bar arrangement, mix proportion, expanding agent, etc, on the wall stress due to concrete creep and temperature change is analyzed
本文主要進行了以下幾個方面的研究: ( 1 )利用ansys軟體,模擬了施工期地下室側墻溫度場,總結了地下室側墻溫度場分佈的特點,分析了模板類型、環境變化和水泥用量等對墻體溫度場的影響; ( 2 )以大型通用有限元軟體ansys為平臺進行二次開發,運用visualfortran語言編寫了cts - ansys程序,實現了施工期混凝土徐變溫度應力的模擬計算; ( 3 )從裂縫形成的原因出發,分析了地下室側墻厚度、長度、配筋率、配合比、膨脹劑等因素對墻體徐變溫度應力的影響。Some new projection methods are presented for solving general variational inequalities based on the operator splitting technique, including three - steps and k - steps iterative algorithms
基於運算元的分裂技巧,給出了解一般變分不等式的幾種新的投影演算法,包括三步和k步迭代演算法。The explicit method is widely used for its simpleness and little memory consumed with local time step and variable coefficients implicit residual smooth to accelerate the convergence procedure. according to yoon and jameson ' s ideas, an efficient implicit lu - sgs algorithm is carefully constructed by combing the advantages of lu factorization and symmetric - gauss - seidel technique in such a way to make use the l and u operators scalar diagonal matrices, thus the numeric algorithm requires only scalar inversion. the computational efficiency is greatly improved with this scheme
顯式方法具有簡單,消耗內存小等優點,並採用當地時間步長、變系數隱式殘值光順等加速收斂措施,在定常流動的模擬中得到了廣泛的應用;根據yoon和jameson提出的簡化正、負矩陣分裂,構造的l 、 u運算元只需進行標量對角陣求逆,極大提高了流場數值求解過程的計算效率;採用newton類型的偽時間子迭代技術使時間推進精度提高至二階。This paper summarized the characteristic and localizations of the special contact elements that can simulate the joints in rockmass. except for those, three kinds of numerical methods for dynamic contact analysis were introduced. then, the augment lagrangian method that combined lagrangian multiplier and penalty function was applied to the dynamic contact analysis with friction
本文闡述了模擬巖體裂隙節理的特殊接觸面單元,分析其特點和局限性;介紹了三種處理動力接觸問題的數值演算法,利用lagrange乘子法和罰函數法聯合的增廣lagrange乘子法建立起裂隙節理的動力摩擦接觸條件和本構方程以及有限元基本方程,並運用此數值方法分析一具有貫通節理面的動力摩擦接觸問題,得出一些基本規律。This dissertation performes an advanced analysis of oil geology, analysis of the history of geostress field in oil field, measuring of tectonic stress, tests of rock mechanics parameters, 3 - d fem ( finite element method ) numerical simulation for the field of geostress, numerical calculation for three dimensional fracture, analysis of relationship between geostress field and migration of oil and gas, analysis of relationship between fracture and migration of oil and gas, etc. and some great breakthrough has been done
本論文研究「三維應力場、裂縫及其與油氣移聚關系」 ,完成了深入細致的石油地質分析、構造應力場歷史分析、地應力測量、巖石力學實驗測試、三維應力場有限元法數值模擬、三維裂縫數值計算、應力場與油氣運移、裂縫與油氣運移綜合研究工作,在基礎理論探討、技術方法創新、軟體編制及綜合應用等方面,均有較大的突破。分享友人