mechanical element 中文意思是什麼

mechanical element 解釋
機械元件
  • mechanical : adj 1 機械的;機械制的。2 機械學的,力學的;物理上的(opp chemical)。3 機工的,技工的;自動的;...
  • 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...
  1. With the help of the electronic computers, engineers employ it to figure out nearly all kinds of engineering problems ranging from astronavigation, construction, waterpower projects, ship - building and mechanical engineering etc. owing to the strong power of finite element method, one kind of software pack which based on the method is exploited and named algor feas to resolve problems on structure analysis for trusses and shells. this paper also employ algor feas software pack to analyze and compute the cableway towers, giving the accurate result on stress and displacement both in location and whole. finally, we also bring out some advice on structure improving

    在此分析過程中:首先將物理模型簡化為力學模型,主要是將塔架結構按空間桿單元簡化為空間桁架結構,目的是將力學模型變換為數學模型;這一過程主要是利用autocad2000建立塔架的計算模型;再者,利用algorfeas軟體包讀入autocad建立的塔架計算模型生成初始數據卡利用計算機進行編程進行風載計算,再將計算結論整合入algorfeas產生的初始數據卡中,生成計算數據卡;接著,利用algorfeas軟體包計算塔架在不同載荷情況下的應力圖,位移圖,並且求出在不同載荷條件下的最大位移和最大應力等;然後,對塔架的穩定性進行分析;最後;根據計算結果提出改進建議。
  2. Abstract : for analyzing the residual stress distributing state within the weld joint, and its effect on the performance of welding structure, when welding the ferrite pearlite steel with the austenite steel, this paper develops a finite element program to compute the interface stress of two or over two material. finally, this program is used to analyze the mechanical behavior of heterogenic joint

    文摘:為了分析鐵素體、珠光體類鋼與奧氏體類鋼焊接時,焊接接頭處焊接殘余應力的分佈狀態及其對焊接構件性能的影響,研製了可計算兩種或兩種以上材料界面應力的有限元程序,並用此程序分析了異質接頭的力學行為。
  3. The variations in trace element contents and ratios may hold up a mirror to the lake - level fluctuations and climatic changes, which, in turn, have exerted a direct and important effect on the sequence stratigraphic development. collectively, the reservoir rocks from the yanchang formation consist dominantly of the delta front subfacies subaqueous distributary channel and channel - mouth bar microfacies and delta plain subfacies subaerial distributary channel microfacies fine - grained feldspar sandstones and siltstones. the reservoir rocks have been subjected to three stages of diagenetic and porosity evolution : ( 1 ) the porosity reduction by the mechanical compaction and chemical pressure solution during the early diagenetic stage ; ( 2 ) the porosity increase by the dissolution during the a substage of the late diagenetic stage, and ( 3 ) the porosity reduction by the cementation and filling during the b substage of the late diagenetic stage

    系統的儲層特徵研究表明,該區延長組儲層成因類型主要為三角洲前緣水下分流河道、河口砂壩及三角洲平原水上分流河道微相細粒長石砂巖、粉砂巖;儲層巖石經歷了壓實,膠結,溶蝕等成巖作用,歷經早成巖機械壓實和化學壓溶孔隙縮小期、晚成巖a亞期溶蝕作用孔隙擴大期及晚成巖a亞期( b亞期)膠結充填孔隙縮小期三個成巖-孔隙演化階段;儲層物性總體上具有較低孔滲、低孔滲的特點,孔隙類型主要為粒間溶孔、殘余粒間孔隙、粒內溶孔、晶間孔及晶間溶孔,裂縫不發育,儲集巖排驅壓力和中值壓力較高,孔隙結構類型以細小孔-微孔隙,微細喉-微喉型為主。
  4. Besides, this paper adopts the random finite element method, uses geometric and physical mechanical parameters that are relevant to lining weight of surrounding rock, coefficient of lateral pressure, height or buried depth of vertical loading, elastic resistance coefficients of surrounding rock, elastic modulus of support structure, unit weight of concrete, thickness of the structure as well as torsional strength and compression strength of concrete and etc., as random variables, applies the monte - carlo method to sampling by computer, preliminarily evaluates the reliability of bearing capacity and stability of molded concrete lining of the xuefeng mountain tunnel, and obtains the related displacement of the lining, mean value and variance of internal force, and computed the reliability index of lining structures

    此外,本文採用隨機有限元方法,將圍巖容重、側壓力系數、垂直荷載高度或埋深、圍巖的彈性抗力系數、支護結構的彈性模量、混凝土容重、結構的厚度以及混凝土的抗扭與抗壓強度等與襯砌結構有關的幾何與物理力學參數作為隨機變量,應用蒙特卡洛理論進行計算機隨機取樣,對雪峰山隧道模注混凝土襯砌的承載力與穩定性的可靠度進行了初步評估,得出了襯砌的相關位移與內力的均值和方差,並計算出了相應的襯砌結構可靠指標。
  5. In this thesis, previous research works on mg - based hydrogen storage materials have been reviewed. on this basis, the following works have been carried out : firstly, the part of ni in mg2ni alloys was partial substituted by the transition element cr. the effect of element cr and mechanical alloying on the phase structure and hydrogen storage properties of mg2nii. xcrx ( x = 0, 0

    本文在對國內外鎂基儲氫材料的研究進展進行了文獻綜述的基礎上,著重對以下兩方面內容進行了研究: ( 1 )用過渡族元素cr對mg _ 2ni合金進行了元素替換,研究了mg - ni - cr三元合金的晶體結構、微觀特徵以及吸氫動力學性能。
  6. Thermo - mechanical finite element analysis of aluminum reduction cell in baking process

    硬盤用紙漿模塑盒的有限元分析
  7. The structure of the deformation bands was observed and photographed by a microscope with a camera accessory. a user material mechanical behavior ( umat ) subroutine was developed based on the crystal plasticity model, and with it, the anisotropic elasto - viscoplastic behavior in single crystals was described. slip systems " evolution was simulated by using finite element method with the subroutine

    本文使用數值模擬的方法對[ 001 ] 、 [ 011 ] 、 [ 111 ]以及偏軸加載的多種取向試樣進行了拉伸試驗模擬和循環模擬,研究了不同取向的試樣在加載過程中滑移系的演化情況,並對試樣的宏觀力學行為和細觀機理進行了評述。
  8. The nonlinear finite - element digital simulation method plays an important role in the mechanical analysis of ship collision accident

    摘要非線性有限元數值模擬方法在船舶碰撞事故的力學分析中正得到日益廣泛的應用。
  9. 2d coupled hydro - mechanical elastoplastic finite element method for unsaturated geologic body and its application to analyzing bolting support

    應力耦合二維有限元方法及對錨桿支護的分析
  10. If combining simulated results and the finite element method, dynamic mechanical behavior in concrete can be further analyzed

    如果將混凝土細觀結構模擬與有限元方法相結合,就能進一步分析混凝土的動力性能。
  11. Rubber components often appear interface failure due to the actions of mechanical loads and the influences of enviorment. hence, in this paper the interface failure mechanism has been studied by means of finite element method and fracture machinics. the numerical results of testpieces deformation with crack are in close agreement with experimental values

    橡膠鋼雙材料試件由於機械載荷和環境的影響經常在粘接界面發生破壞而導致結構失效,藉助有限元和斷裂力學對界面破壞機理進行研究,得到的存在初始裂紋的試件變形與實驗結果吻合較好。
  12. In this paper, three kinds of static test operations are given such as the shovel descended with the front - end of the bulldozer lifted, the ridger descended with the rear - end of the bulldozer lifted, the shovel and the ridger descended with the whole body of the bulldozer lifted the static tests for the frame of ty220 bulldozer are proceeded. the result of finite element analysis is contrasted with that of experiment the mechanical model and the result of finite clement analvsis are verified by experiment and the theoretical bases are provided for the improving design of frames 4 according to the results of calculations and tests, the suggestion is presented for improving the design of the frame of ty220 bulldozer

    給出了鏟刀下移推土機前端抬起,鬆土器下移推土機所端抬起,鏟刀、鬆土器同時下移推土機整機抬起等三種靜態試驗工況,對推土機臺車架進行了靜態試驗,並將實驗結果與有限元計算結果進行了比較,驗證了力學模型及有限元分析結果的正確性,為臺車架的設計提供了一定的理論依據。
  13. The interface mechanical finite element matrix matching method and the thermal stress for the masonry envelop in the wall of melting furnace

    熔煉爐壁中砌體的界面力學有限元矩陣對號入座法與熱應力
  14. Based on the theories of hybrid / mixed finite element method, the generalized energy functional including stress, mechanical displacement, electric displacement, electric field and electric potential is used, with the electric - potential relations and the constitutive equations of piezoelectric materials constrained, hybrid energy functional including mechanical displacement, electric potential and stress is gained. moreover, splitting in - plane components and transverse components, the mixed energy functional in which mechanical displacement, transverse stresses and electric potential as basic variables is derived. with the use of surface stress parameters of sub - elements, the continuity of transverse stress at interfaces between layers is obtained

    在回顧雜交混合有限元理論的基礎上,從包括位移、應力、應變、電勢、電位移、電場強度六個未知量的廣義壓電材料能量泛函出發,通過約束電場強度?電勢關系、應力與應變及電場強度的關系,得到僅包括位移、電勢、應力三個未知量的雜交變分泛函,利用一般層合板的雜交混合變分原理,分離面內分量和橫向分量,導出以位移、橫向應力、電勢為未知量的壓電層合板的修正變分泛函,作為壓電層合板的雜交元列式的理論基礎。
  15. This article establishes a suitable mechanical model for urban mass transit continuous welded rails longitudinal force research, which is widely based on the real situation and draws up the nonlinear finite element method program, and is verified by practical examples

    摘要?了對城市軌道交通無縫線路縱向力進行研究,根據實際結構建立了力學模型,編制了非線性有限元程序,並通過實例進行驗證。
  16. In cuo + sio2 + tio2 / al reaction system, the element ti which is replaced in the reaction makes the microstructure of composite thin and the matrix strong. the mechanical properties of the composites fabricated by this reaction system are much finer than the ones fabricated by cuo + sio2 / al and cuo + tio2 / al reaction system. in cuo + tio2 / al reaction system, the wild phase al3ti is very large and it is disadvantageous to the improvement of composites " properties

    在四種原位反應體系中, cuo + sio _ 2 + tio _ 2 al原位反應過程中被置換出來的金屬元素ti細化了基體組織,並起到了固溶強化的作用,所制備的復合材料的微觀組織與機械性能明顯優于cuo + sio _ 2 al與cuo + tio _ 2 al原位反應體系所制備的復合材料。
  17. Using fem ( finite element method ), the paper makes mechanical analyses on bench cut method and side heading method, it also makes mechanical analyses on some auxiliary construction methods, such as big pipe - roof protection, horizontal roll - spraying, big and small angle pipe - roof protection and surface grouting

    論文採用有限元的分析方法,主要對臺階法、側壁導坑法進行了力學分析,也選擇了大管棚法、水平旋噴法、大小外插角管棚法和地表注漿加固四種輔助工法進行力學分析。
  18. 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。
  19. An analysis of finite element method for the mechanical properties of thin metallic films

    金屬薄膜力學性能的有限元分析
  20. The database technique has been widely used in such aspects as mater in database, the design of mechanical element and the device management. however, it has seldom been found using in evaluating fatigue life of metal structure, which is the focus this paper aims at

    數據庫技術在材料專用數據庫、機械零件設計、設備管理等方面獲得了廣泛的應用,但將數據庫技術應用於金屬結構疲勞壽命評估卻並不多見。
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