half element 中文意思是什麼

half element 解釋
半電池
  • half : n (pl halves )1 半,一半;一部分。2 半小時;半英里;半品脫;半價票;〈美國〉半美元;半學年,一學期。...
  • 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. Next, this unstable atom, this new radio - element which we have calle " radio - phosphorus " decomposes exponentially with a half - life of three minutes

    第二階段,這種不穩定的原子,即我們稱之為「放射性磷」的新的放射性元素在3分鐘的半排出期內呈指數級方式進行分解。
  2. Four contact state depending on rate of rolling / sliding between the couple of contact element were studied based on hertz contact model, and the results was shown that the rate of slide would affect the distribution of pressure in contact area and stress in the half plane

    研究表明安定狀態隨載荷的大小而變化,其殘余應力和應變累積的大小與外加載荷成正比,並對計算中的一些問題進行了分析探討。
  3. Half - wave element

    半波輻射
  4. In this dissertation, the numerical computation for the acoustic radiation problem ( arp ) is studied deeply and systematically in the theory, method and the application technique, based on analyzing the situation of the home and abroad on the numerical computation for the acoustic radiation problem. the calculation formulas of the boundary element method ( bem ) for the exterior acoustic radiation problem in the full - space and half - space are deduced, based on the wave propagation theorem ; the arising of the non - unique solutions, which is associated with the application of the boundary integral equation ( bie ) in acoustic radiation problem, is analyzed and proofed ; the improved combined helmholtz integral equation formulation ( ichief ) is presented to overcome the non - uniqueness problem more effectively and reliably ; the determination of the singular integral coefficients on various occasions is analyzed ; the properties and treatments of the singular integrals with different orders axe studied ; the computation program of the cubic spline ichief is developed and its ability to overcome the non - uniqueness problem and feasibility to discrete the surface coarsely with the sufficient calculation precision are examined through examples

    第二章在聲波動理論基礎上,詳細地推導出對應于無限域和半無限域的外部振動聲輻射問題的邊界積分方程計算公式;根據fredholm積分理論,對利用邊界積分方程計算振動聲輻射問題過程中解的非唯一性的產生進行了分析和證明;改進了chief法以提高其克服解的非唯一性的有效性和可靠性;對不同條件下奇性系數的計算、強奇性積分的收斂性及其在變量替換時與普通積分的差異性、不同階奇性積分的計算、數值求積分等進行了研究;開發了三次樣條改進chief法計算軟體,並通過算例考核了該方法在特徵波數處克服解的非唯一性的有效性和在保證計算精度的前提下實現剖分粗化以提高計算效率的可行性。
  5. The whole product passed through strictly test and aged screening to element and device, half - finished product, and its performance is stable and reliable

    整個產品經過了元器件成品的嚴格測試及老化篩選,性能穩定可靠。
  6. This thesis deduces computational formulations of displacement sensitivity and stress sensitivity in structural shape optimization considering geometric nonlinear element. in the calculation of stress sensitivity, the modules required to cut the stiffness matrix of node coordinates few. in order to simplify calculation and make program conveniently, this thesis uses half - parser method

    在空間剛架結構的形狀優化設計中,關鍵的一項工作就是計算應力靈敏度,在計算應力對剛架結構形狀優化的設計變量? ?結點坐標的靈敏度時,需用到單元剛度矩陣對結點坐標的導數。
  7. Analysis of nonlinear viscoelastic melt flow in plate die by half analytical finite element method

    半解析有限元法分析非線性粘彈體在板材模具中的流動
  8. Based on the finite layer method and finite element method, a numerical analysis model of pile - soil interaction is established for single pile. it is proposed to transform a half infinite space problem into a 2 - d quasi - plane problem

    對于單樁,本文以有限層地基模型和平面有限元法為基礎,建立了能夠反映水平荷載下樁土共同作用的彈性數值分析模型,把半無限空間問題轉化為準二維平面問題。
  9. Elements should not be placed closer than two element diameters to each other or one and one half element diameter to a wall or other reflecting body

    孔與孔之間的距離不小於元件直徑的兩倍,元件與爐壁、反應物件的距離不小於直徑的1 . 5倍。
  10. Elements should not be placed closer than two element diameters to each other or one and one half element diameters to a wall or other reflecting body

    孔與孔之間的距離不小於元件直徑的兩倍,元件與爐壁、反應物件的距離不小於直徑的1 . 5倍。
  11. By adding solid elements for complex components into a bar element model, a bar / solid element combination model for half - integral body structure of buses is set up

    摘要以梁單元模型為基礎,通過將復雜部件建立實體單元模型來生成梁體混合模型的方法,建立半承載式客車車身結構有限元模型。
  12. This paper studies the least redundant solutions of two - dimensional array system by using the simulated annealing algorithm. two ideal thinning solutions for the two - dimensional circle array were discussed intensively in this paper. one solution uses half - circle configuration with very much reduced number of elements and taking an image by rotating the array ; the other selects element positions around the full circle to provide a roughly uniform coverage in the spatial frequency domain

    在一維天線陣設計的基礎上,本文利用模擬退火演算法給出了兩種最小冗餘二維圓環天線陣的結構設計方案,一種方案利用天線旋轉,在半圓周內稀疏天線;另一種方案通過將空間頻率采樣點的均勻分佈作為優化的約束條件,在全圓周上使天線單元分佈達到最優。
  13. Finite element method ( fem ) is a method that is efficient in electromagnetics. for the first time the thesis applied vectorial fem to single mode performance and half - wave voltage analysis and design

    有限元法被廣泛應用於電磁場的研究中。本論文首次採用了矢量有限元方法來研究質子交換鈮酸鋰光波導的單模特性和半波電壓。
  14. With synthesizing the relevant other internal and external researchers " the achievements of theory and the results of experiment, the follow work have been done in this project : revising the formulas of ground stiffness coefficient and the mass of vibrating soil and the dynamic affecting degree of depth, which apply the theory of elastic half - space and the knowledge of the soil mechanics and consider the influence of the soil characteristic and inertial action, the interaction between foundation and ground, the diverse load ; making the model of ground and foundation system calculating natural frequency by using the big - scale software supersap which is for special purposes of finite element analysis ; according to the experiment analysis, correcting and adjusting the finite element model in order to have it accord with the fact and meet the engineering demands ; doing the vibrating experiment for testing the results of the theoretical analysis and the finite element calculation ; summing up some regulars of the ground stiffness

    本文綜合參考了國內外其他學者的理論成果和實驗結果,進行了如下研究工作:運用彈性半空間理論和土力學的知識,考慮土體特性和慣性作用、基礎與地基的相互作用以及不同荷載形式等因素的影響,對動力機器基礎進行了嚴密地理論分析,修正了地基剛度、參振土質量和動力影響深度的計算公式;利用專門用於有限元計算的大型分析軟體supersap對地基基礎體系進行了建模計算,根據實驗分析,對有限元模型不斷地進行修正和調整,使其更加符合實際情況,滿足要求;通過振動實驗對理論分析和有限元計算結果進行了驗證;總結出了一些地基剛度的變化規律。
  15. Lake - experiment for an un - baffled practical circular array verified the effectiveness and error tolerance of this new method. 5. the intrinsic mechanism of optimal array gains is studied for the scenario when the element spacing is less than one half - wavelength, with emphasis on un - baffled circular arrays

    針對一個24元均勻分佈圓陣的湖上實驗結果表明,這種新的恆定束寬波束形成方法是有效的,且在一般條件下,對基陣陣元幅度和相位響應誤差具有良好的寬容性。
  16. The finite element simulation of the form - based half honeycomb profile strip

    成形法制備半蜂窩波形條的有限元模擬
  17. Currently, the calculating theories of concrete - beam temperature fields can be divided summarily into three types : category 1 is the method of how the hot conduct in the square distance ; category 2 is the proximate - number analytical method, such as finite difference method, finite element method etc. ; category 3 is a half experience and half theoretic method

    目前混凝土箱梁溫度場的計算理論和方法概括起來,大致可以分為三類:第一類為熱傳導方程求解法;第二類為近似數值分析方法,如有限差分法、有限元法等;第三類為半經驗半理論法。
  18. Finite element calculation of unsteady flows caused by ship moving with varying speed in a half infinite retricted shallow waterway

    半無限長淺窄航道中船舶變速航行的有限元計算
  19. Though cae has very strong function in finite element analysis ( fea ), it has so many difficulties in modeling that the time spent on modeling almost occupy a half of the one of whole analysis process

    Cae有強大的有限元分析功能,但是在創建幾何模型方面功能很弱,分析師用於幾何建模的時間幾乎占整個分析過程的一半。
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