finite element approach 中文意思是什麼

finite element approach 解釋
有限單元逼近
  • finite : adj. 有限的;【語法】限定的;【數學】有窮的,有盡的。n. 〈the finite〉 有限(性); 〈集合詞〉有限物。adv. -ly ,-ness n.
  • element : n 1 要素;成分;(構成)部分;分子。2 【化學】元素;【數學】元,素;【機械工程】單元;單體;【無...
  • approach : vt 1 向…接近,走近;使接近。2 探討;看待,對待,處理。3 向…接洽[提議]。4 〈美國〉企圖收買。vi 臨...
  1. In order to approach the optimum design of changeover portion structural shapes for submarine ' s different diametral pressure cabins, a new structural type, named the double arc transition form, is introduced based on the analysis of stress concentration, by using the engineering calculation method and finite element mthod

    摘要為了探討潛艇不同直徑的耐壓艙室過渡段結構型式的最優設計,利用工程計算方法和有限元方法,分析過渡段結構的應力集中,提出了能夠使不同直徑圓柱殼光滑過渡的結構形式雙圓弧式過渡形式。
  2. Presents the model proposed for analyzing the vibration characteristics of shrouded blades and their calculation method by employing a wave propagation theory and modal synthesis technology coupled with a finite element method from the view point it is possible not only to conduct frequency modulation of the shrouded blades of a gas turbine, but also to utilize the friction effects between them to dissipate energy, thereby attaining the aim of vibration alleviation, as shrouded blades have been widely used in the design of high - speed turbomachinery, such as modern gas turbines and steam turbines, and with the shrouded blades forming an integral whole in a centrifugal force field, the vibration characteristics of the whole ring of blades are different from those of a single isolated blade, and this makes it essential to take into account the integral effect of blade shrouds, concludes from the calculation examples and engineering application that the above approach is valid and correct along with the possibility of considerably reducing the scale of calculation and analysis, and points out it is necessary to take into consideration the coupled effect of the whole ring of blades while the dynamic characteristics of shrouded blades is being analysed

    帶冠葉片不但能調頻,還可以利用葉冠之間的摩擦效應來耗散能量,達到減振的目的.帶冠葉片在離心力場中形成一整體,其整圈葉片振動特性不同於單個孤立葉片,需考慮葉冠的整體效應.利用帶冠葉片系統的循環對稱性,提出了採用波傳播理論和模態綜合技術,結合有限元方法研究燃氣輪機帶冠葉片振動特性的分析模型和計算方法.算例和工程應用證明了該方法是效性的、正確的,並可以大大降低計算分析規模.研究表明帶冠葉片動力特性分析時必須考慮整圈葉片的耦合效應
  3. By means of area method and stress field intensity approach and computational analysis of finite element, the fatigue strength of misaligned welded joint, " t " type of plate welded joint and cruciform joint are estimated. estimations are consistent with fatigue testes

    利用面積法和應力場強法,通過有限元計算分析,預測了錯位板接頭、 t型板接頭和十字型板接頭在對稱循環和非對稱循環時的疲勞強度,並與疲勞試驗進行了比較,理論預測與試驗基本一致。
  4. Basesd on finite element analysis it presents the technology for numeric simulation of tube hydroforming, introduces the construction approach of analytical mode in numeric simulation of tube hydroforming

    基於有限元法的管材液壓成形數值模擬技術發展的時間更短,有待進一步研究和發展。
  5. And in combination with cable replacement engineering of sichuan qianwei bridge, based on the bridge elevation and cable forces measured before cable replacement started, using finite element software bsas developed by southwest jiaotong university build analysis modeling, by means of cable forces adjustment and so on to make the cable forces of modeling approach the cable forces measured before cable replacement started, according to the scheme of primary design, aimed at cable replacement process, simulation analysis is done and get the calculated results

    然後以四川犍為岷江大橋換索工程為背景,以換索前實測的索力和線形為換索設計基準,應用西南交通大學開發的橋梁結構分析軟體bsas建立換索分析模型,通過調索等技術手段使模型索力與換索前實測索力逼近,以此為換索的出發點,按原換索設計的方案與工序,對換索進行全過程分析,得到換索完工後的計算索力和線形。
  6. If we can accurately ensure the rigidity coefficient, the result of mathematic analysis method can approach the fact accurately by applying contact mechanics theory, we can deal with the lining and lining as contact problem of two bodies. using pretension bolted solid finite element simulate bolt at linings. thus not only considers perpendicular rigidity but also considers the tangent contact rigidity

    ( 4 )通過運用接觸力學的理論,將管片與管片的接頭抽象成為兩個體與體的接觸問題,在管片處的螺栓採用有限元中的實體螺栓預緊單元進行模擬,這樣不但考慮了管片與管片處的法向剛度接觸而且考慮了管片與管片間的切向接觸剛度。
  7. Firstly, a finite element approach combining the temperature parametric method with real fictitious elements scheme was proposed for simulating the winding tension process ; secondly, in accordance with the cure kinetic and heat transfer theory, a corresponding finite element method was employed to calculate the distributions of temperature, cure degree and thermal stress fields during the cure process

    根據固化反應動力學理論和熱傳導理論,對具有金屬內襯的復合材料纖維纏繞壓力容器在固化工藝過程中瞬態溫度、固化度和熱應力場分佈及其變化規律進行了數值分析。
  8. Because of the calculation difficulty when solving the dynamic problems, development of the efficient algorithm for the dynamic differential equations is always an important research and the space - time finite element method can provide a feasible approach to it

    由於求解動力學問題時計算繁瑣且有誤差累積,因此,開發出求解動力學微分方程的有效演算法一直是一個重點的研究方向,而時空有限元法可以為此提供一條可行的途徑。
  9. Afterwards, we take sag of cables into consideration and investigate the effect of the sag of cables on the effectiveness of viscous shearing damper. finally, experiments are carried out on jun shan bridge and bai sha zhou bridge to testify the effect of viscous shearing damper and the feasibility of the finite element method and galerkin approach to analyze the effectiveness of viscous shearing damper

    然後在考慮斜拉索垂度的情況下,利用迦遼金方法,編製程序求解拉索振動的附加阻尼,並與未考慮垂度情況下的拉索振動的附加阻尼值相對比,分析垂度對附加阻尼的影響。
  10. Firstly the method of rayleigh - ritz and galerkin were adopted to analyze the beams under loading combined antisymmetric end moments with transverse uniformly distributed load theoretically, and the results were compared with that offered by kirby, p. a and nethercot, d. a, it showed that result was approximate and even lower and so to some extent the approach used in the paper is practice. secondly several principal factors that affect the beam stability were analyzed respectively, especially the shortening effect was mentioned scarely in some literature so far. at last, the author adopted the matlab to program the finite element software to analyze numerically, the results derived from it were agreed well with it

    本文分別採用了rayleigh - ritz法和galerkin法從理論上分析了反對稱端彎矩及橫向均布載共同作用下樑的等效彎矩系數,並與kirby , p . a和nethercot , d . a分析結果進行對比,結果表明本文採用的方法得出的等效彎矩系數與其得出結果比較,在均布荷載與端彎矩比例相差不大時基本接近或偏小,說明此方法是可行的,而當均布荷載與端彎矩比例較大時,應根據均布荷載作用進行彎矩等效方法來計算。
  11. A series of elastic spring were used to simulate the soil reaction to structure and a equivalent linear iterative approach was used for simulating the soil nonlinear behavior in the finite element analysis in this paper

    在有限元分析中,本文採用一系列彈性彈簧單元模擬土作用,通過反復的等效線性迭代過程模擬土對結構的非線性。 2 、進行模態分析。
  12. Furthermore, the paper also provided the approach of non - linear finite element of this new type of composite structure, hi which the factors of cracking of small type hollow concrete block and dark beam ' s stiffness were being considered. at the same time, the time history analysis and stress cloud chart of this spatial structure

    另外,本文還提出了可考慮馬牙搓連接及暗梁剛度的非線性有限元計算模型,對該結構體系進行了時程反應分析、做出了三維結構的應力雲圖,全面地分析了該結構形式的受力特點和抗震性能。
  13. Finite element approach for structural dynamic analysis using generalized eigenvalue - based neurocomputing

    有限元結構動力分析的廣義特徵值的神經計算
  14. The details as followed : 1. summarize and analyze the methods of meso - mechanics of concrete and researching documents on the theory of damage of concrete ; 2. based on the packing approach of spherical aggregates, a method generating polygon aggregate model of concrete was presented, by which the codes of aggregate packing and meso - meshes of finite element plotting were designed taking into account the actual aggregate content, grading, and aggregate configuration

    具體工作由以下幾個方面: 1 .分析總結了混凝土細觀力學分析方法和現有混凝土材料損傷破壞理論的研究成果; 2 .在研究圓形骨料投放方法的基礎上,提出了一種多邊形隨機骨料投放方法,並編制了凸多邊形模型生成程序和細觀有限元剖分程序。這種生成方法所得到的凸多邊形骨料模型既反映了骨料的實際形態又維持骨料的實際級配和含量。
  15. The author deems that it is a practical way to tr6at these uncontinuous problems as contact problem in solid mecbocs tmiformly. the main intension of this paper is to develop a finite element approach for contact problem and apply it to geotecbocal problems

    目前,有限元法等數值方法雖然已在巖土工程領域得到了廣泛的應用,但計算中對不連續面的處理卻仍是一個並未很好解決的問題。
  16. A sensing magnetic field and displacement type of giant magneostrictive microdisplacement actuator with the functional of sensing driving magnetic field and microdisplacement is developed, and the design theories and approaches being applicable this type of microdisplacement actuator are pointed out : a circular diaphragm type of flexible construction that acts as integration mechanism of microdisplacement transferring and sensing of giant magnetostrictive microdisplacement actuator is adopted, sheet flexure theory of elasticity mechanics and approach of finite element are applied to design and calculate it, corresponding deflection and analytic formula and distribution curve of stress are given, and the specific achieving approaches of measuring principle and magnetic field sensing function of driving field in giant magnetostricitive rod are pointed out the magnetic field sensing function of the actuator is used to practically measure driving magnetic field of actuator and to obtain the relationship of driving magnetic field and coil current, which is also analyzed and studied

    其中,採用圓形膜片式柔性結構作為超磁致伸縮微位移執行器的微位移傳遞、感知一體化機構,應用彈性力學中的薄板彎曲理論、有限元方法對其進行了設計、計算,並給出了相應的撓度和應力解析式及分佈曲線;應用電磁理論給出了超磁致伸縮棒內驅動磁場的測量原理及磁場感知功能的具體實現方法,並利用執行器的磁場感知功能對其驅動磁場進行了實際測量,得出了驅動磁場與線圈電流之間的關系,並對其進行了分析和研究;對執行器內部的電磁路和偏置磁路結構進行了設計計算與實驗研究,為了減小驅動線圈的發熱,對其形狀進行了優化設計。
  17. A new dynamic condensation method using finite element approach to calculate eigenvalue problem

    用有限元法計算特徵值問題的一種新的動態凝聚方法
  18. The n - s equations are discretized in space using a galerkin finite element approach, and are integrated in time using an explicit five - stage runge - kutta time - stepping scheme

    N - s方程的空間離散採用galerkin有限元格式,時間推進應用顯式五步r - k格式。
  19. The main intention of this paper is to develop a reasonable, simple, applicable computational model and corresponding finite element approach about anchor bolts, and to apply it to geotechnical problems of anchor - bolt retaining

    本論文的主要目的就是試圖建立一種比較合理而又簡單實用的錨桿計算模型及相應的有限元計算方法,以用於錨桿支護類工程問題的求解。
  20. The author deems that it is a practical way to treat this problem as contact problem in solid mechanics. the main intension of this paper is to develop a finite element approach for axisymmetric contact problems and apply it to pile foundation

    本文的主要目的就是將該類問題作為接觸問題進行處理,然後建立一種樁土相互作用的計算方法,並應用於樁基的工程實踐之中。
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