shell model 中文意思是什麼

shell model 解釋
殼層模型
  • shell : n (pl shells 2 義為 shell)1 殼;介殼;甲殼;貝。2 (昆蟲的)翅鞘;蛹的蛻皮。3 【解剖學】種子的...
  • model : n 1 模型,雛型;原型;設計圖;模範;(畫家、雕刻家的)模特兒;樣板。2 典型,模範。3 (女服裝店僱...
  1. Mrs mayer and shell model of the atomic nucleus

    邁耶夫人與核殼層模型
  2. It wasn ' t long before everyone wanted a james bond vehicle - those who couldn ' t afford out for the life - sized version could shell out for a corgi model for the mantlepiece

    許多人都夢想擁有詹姆斯?邦德駕駛的汽車。現在,那些沒錢買到實物大小的邦德汽車的人不妨購買邦德汽車的模型。
  3. A 3 - d viscosity turbulence model is used to analyze the unsteady around flow field of the thrust - vectoring engine of the jet vane, and results of the area including vane base, vane flake and motor shell are presented

    摘要以推力矢量發動機的燃氣舵為研究對象,採用三維、粘性、湍流流動模型和數值分析的接觸網格技術,在定常流動計算的基礎上,對包含舵基、舵片和發動機殼體的區域進行詳細數值分析。
  4. For confirming the results, a full - size model ( dj / dj = 0. 6, t / t = 1. 5 ) was analyzed by means of strain gauge test. the reliability of finite element analysis was proved because the results basically accorded with that of the test. secondly, in this paper, in order to carry out a fair assessment of the reinforcement design on spherical shell with transnormal nozzle, a comparison of reinforcement method was done between jb4732 - 1995 steel pressure vessels ? esign by analysis appendix a4 and hg20582 - 1998 specification for stress calculation of steel chemical vessels

    為了驗證ansys分析結果的可靠性,對其中一組參數下(開孔率0 . 6 、厚度比1 . 5 )的模型容器,採用電測法進行了應力測試,並將得到的實驗結果與有限元結果進行了比較,二者在應力分佈狀況和大小上均基本吻合,證明此種結構運用ansys進行分析,其結果是完全可靠的。
  5. They are expanding model of the bomb body, bursting model of the bomb body and motion model of the fragments. according to the models, the paper gives a detailed algorithm for the whole process of the bomb explosion. ( 7 ) based on the explosion mechanism and the stochastic characteristic of the shell, the paper advances some reasonable hypotheses and supposes that the explosion process of the shell is a markov process, thus constitutes two explosion models of the shell : the imitation model an

    (刀從爆炸的機理出發,利用合理的假設,將殼體的爆炸過程處理為馬爾可夫過程,把爆炸的機理同爆炸的隨機性聯系在一起,建立了殼體爆炸的兩種模型:模擬模型和簡化模型,提出了破裂程度的倍密度函數和破裂方向的倍密度函數兩個概念,得到了基於半邊結構的虛擬殼體爆炸過程中任一條邊出現裂縫的概率公式。
  6. This paper focuses on the research of the stress mechanism of the ribbed shell structure in statics, dynamics and under the explosive load on the basis of the engineering practice of cave depot of single aircraft. in this paper, according to the classical shell theories, the basic differential equilibrium of the ribbed shell structure and the finite element analysis of 3d rippled plate are established, in which the function of annular ribs reinforcement bars and 3d ripped steel plates are distributed in the range of the steel, and the functions along the longitude direction of tension, bending, and torsion are neglected ; applied with dynamic analytical theory, the dynamic model of ribbed shell structure and the analytical theory model of elastic - plastic are set up ; the triangle series method is used to solve the displacement and stress under the distributed load and the concentrated load of the ribbed shell structure

    本文以軍用機場地面單機掩蔽庫工程建設為工程背景,首次對內襯三維波紋鋼板混凝土拱型復合結構的受力機理進行了靜力、動力和爆炸荷載的分析研究。根據將橫肋、鋼筋及三維波紋鋼板的作用均勻分佈在殼體范圍內的情況,忽略橫肋、鋼筋及三維波紋鋼板沿殼體母線方向的抗拉、抗彎及其抗扭作用,首次推導出了內襯三維波紋鋼板混凝土殼體的微分平衡方程,建立了有限元計算模型,並採用三角函數法,求解了三維波紋鋼板混凝土拱型復合結構在分佈荷載和集中荷載作用下的位移響應和應力響應,並與普通殼體進行了比較。
  7. In this thesis, the basal theory of the nuclear structure were firstly and systemically described, the background and the application of the liquid - drop model, feimi - gas model, shell model and collective movement model were meticulously concluded and summarized. on the one hand, we not only pointed out their success, as well as their important effects on developing the nuclear theory and setting up the integrated nuclear theory system, but also pointed out their deficiencies

    本文首先對原子核結構的基本理論進行了系統的描述,對液滴模型、費米氣體模型、殼模型、集體模型等的背景以及它們的應用作了細致而又簡明的歸納和總結,一方面指出了這些模型的成功之處,以及這些模型在發展原子核理論並建立完整的原子核理論體系中的重要作用,同時也指出了它們的局限性。
  8. Study of the ground state structure of the four hypernuclei abstract in past fifty years, various hypernucleus have been researched with the shell model and the a cluster model

    在將近五十年的超核研究中,人們用殼模型和集團模型研究了各種超核。
  9. Abstract : having been finished the design of squeeze casting machine shell model, it provides design key points of squeeze casting model with slant slide parts, researches the technology about the product and optimizes the parameters of technoloy and model structure. the results are suitable for similar squeeze casting of parts

    文摘:通過對機座擠壓鑄造模具的設計,給出了斜滑塊擠鑄模的設計要點,研究了製件的工藝過程,對工藝參數和模具結構參數進行了優化,研究結果可供類似零件的擠壓鑄造所借鑒
  10. Since the magic number 28, which is the first that requires the introduction of a strong spin - orbit interaction belongs to the if2p shell in the nuclear shell model. so the nuclei in the if2p shell have been a research hotspot in nuclear physics. the doubly odd nucleus 64cu which is also in the if2p shell has been the subject of many experimental investigations previously via various type of nuclear reaction such as 64ni ( p, ny ) and its excitation leveles have been already studied to about 8 mev

    放射性核素~ ( 64 ) cu是奇奇核,屬於1f 、 2p殼層,而在原子核殼模型中,第一個需要引入強自旋-軌道藕合才能出現的幻數就在1f 、 2p ? ?殼層,因此if 、 zp殼層一直是核物理領域的研究熱點,近三、四十年來使用了各種不同類型核反應例如『 4ni … , fly )等反應,對『 ll激發態性質進行了廣泛的研究,其激發能級已到了smev左右。
  11. Most of researches were focused on the ground binding energies foe a = 5 - 17 with the same potential in the shell model, that some of the computation were consistent with their experimental values, others below the lower limit of them and others beyond the higher limit

    在殼模型中,用統一的相互作用勢研究了核子數a = 5 - 17的超核的基態結合能,有部分超核計算值擬合實驗值,有的偏離較大。
  12. In this paper the ground state structure of the four - hypemucluei ^ he > " be * be and a c are studied by applying a5 / fe structure model and few - body theory method and compared with the results of the shell model and the a cluster model from the ground binding energy and r. m. s distances

    我們用a , he結構模型和少體理論方法從基態結合能和集團間的方均根半徑出發研究了aa6he 、 a9be 、 a ? be和? c這四個超核的基態結構,並與文獻中用殼模型和集團模型的計算結果作了比較。
  13. Soil springs are used around the pipe including vertical, lateral and axial soil springs to consider the interaction between the pipeline and the surrounding soil. the pipe segment near fault that usually suffers large deformation is modeled with a plastic shell element in order to consider the effect of local buckling and section deformation. to reduce the calculating time of the whole model, an equivalent spring proposed by the author is applied at two ends of the shell model

    為了解決現有的殼單元方法需要大量計算機時的缺點,本論文首次從理論上把離斷層較遠管土之間相對變形較小的管子直線段部分的變形等效為一個非線性彈簧,將此等效邊界引入到有限元模型中,使得模型中的殼單元部分主要用來分析我們所感興趣的在斷層附近發生大變形的管段,從而達到節約計算時間的目的。
  14. As special topic, we discussed cranking shell model, bcs method of pairing force, spin assignment of rotational spectra and inertia analysis and new development of identical bands

    簡要地討論了推轉殼模型,對力的bcs方法,轉動譜自旋指定和轉動慣量分析和全同帶研究進展。
  15. The level scheme of spin - orbit coupling shell model was calculated

    計算了自旋軌道耦合殼模型( spin - orbitcouplingshellmodel )的能級圖。
  16. Abstract : the influence of electron screening on electroncaptu re for the most abundant nuclei in massive stars at the presupernova stage is discussed by using the shell model. it is shown that the total rate of chance of el ectronfraction should be multiplied by a factor of about 0. 8 0. 9 with the elec tron screeningtaken into account

    文摘:利用核的殼層模型,討論了電荷屏蔽對超新星的前身星階段一些較豐的核在一些重要的溫度-密度點的電子俘獲率的影響,結果表明由於電荷屏蔽的作用其電子豐度變化率須乘以一個0 . 8 0 . 9的因子
  17. Reflection asymmetric shell model for octupole nuclei

    八極形變核的反射不對稱殼模型描述
  18. Basd on the thin - shell model and the character of the ionospheric incline, with the method of numeric simulation, we have studied the error of ionospheric incline, and have got the result that it ' s requisite to consider slant of ionospheric layer

    摘要在考慮電離層薄層傾斜的基礎上,數值模擬、分析了電離層傾斜帶來的電離層附加時延相對不考慮電離層傾斜的偏差,從而說明了在電離層傾斜地區消除電離層傾斜的必要性。
  19. Then, three methods of diagonalization in quantum mechanics and calculation of shell model were discussed

    接著討論了量子力學中的對角化方法的分類和殼模型的計算。
  20. Finally, shaking table experiments are carriod out, in which input several different character seismic waves with different acceleration peak value on several states of the shell model. the experimental results prove the theory research to be correct and show that the control strategy raised in this thesis is effective and feasible

    最後,進行了雙層柱面網殼的被動控制減震試驗,對于網殼在替換不同桿件數量、位置和輸入不同加速度峰值的不同頻譜特性的地震波下的地震反應進行了上百種工況的振動臺試驗。
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