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variational approach中文是什么意思

  • 變分的方法

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  • 例句與用法
  • According to the principle of the minimum potential energy, the deformation of single tension pile and pile groups was analyzed using a modified variational approach
    根據(jù)最小勢能原理,使用修正變分法來分析抗拔單樁和抗拔群樁的變形。
  • Based on the conventional variational approach, a simple approach was presented so that the deformation of tension pile groups could be solved by calculating a 2 2 array
    在傳統(tǒng)變分方法的基礎(chǔ)上,本文將抗拔群樁的變形分析簡化為計(jì)算一個(gè)22維矩陣,使得群樁變形分析時(shí)間大大縮短。
  • In [ 4 ], weinstein skillfully got the best constant in gagliardo-niremberg inequality using the variational approach and therefore obtained the sufficient condition of the global existence of the solution in critical case p = 1 + 4 / n
    [4]巧妙運(yùn)用變分法獲得gagliardo-nirenberg不等式的最佳常數(shù)從而給出了在p=1+4/n臨界狀態(tài)下解整體存在的充分條件。
  • In the first part, following ref [ 27 ], the expression of the envelop function is obtained . then, considering the dismatch of effective mass between the well and the barrier, using the variational approach, we calculate the binding energy of hydrogenic impurity
    在第一部分,我們按照文獻(xiàn)[27]中的方法,得到了包絡(luò)函數(shù)的表達(dá)式,并利用變分法計(jì)算了類氫雜質(zhì)的束縛能,其中考慮了阱壘中電子有效質(zhì)量的失配性。
  • In this paper, based on the previous works, we study the quality of a hydrogenic impurity in gaas / gai-xalxas rectangular quantum wires in detail . using variational approach, we calculate the binding energy and the photoionization cross-section of the impurity in the system
    本文在前人工作的基礎(chǔ)上,詳細(xì)研究了矩形截面gaasga_(1-x)al_xas(x=0.3)量子阱線中的類氫雜質(zhì)體系的性質(zhì),采用變分技術(shù)計(jì)算了此體系的束縛能及其光致電離截面。
  • In this paper, based on the previous works, we studied the properties of a hydrogenic impurity in the gaas / ga1-xalxas rectangular single quantum wire in detail . using variational approach, the binding energy and the photoionization cross section of the impurity in the system are calculated
    本文在前人工作的基礎(chǔ)上,研究了方形截面gaas/ga_(1-x)al_xas量子線中類氫雜質(zhì)體系的性質(zhì),采用變分技術(shù)計(jì)算了此體系的束縛能及其光致電離截面。
  • The binding energies of excitons are calculated with the use of variational approach, we consider the mismatch of effective masses between the well and the barrier in the process of calculation, calculate and talk about the virial theorem values in square quantum-well wires in presence of a magnetic field
    本文采用變分法,在外加磁場條件下分別計(jì)算了激子在無限深和有限深方形量子線中的基態(tài)束縛能。在計(jì)算的過程中進(jìn)一步考慮了阱,壘中粒子有效質(zhì)量不匹配的影響,最后我們計(jì)算并討論了外加磁場情況下的維里定理。
  • Adaptive grid techniques through a variational approach are applied to two shock problems with exact solutions . more grid points are redistributed in the shock regions in response to numerical solution and thus the shock can be captured successfully . the results show the techniques have excellent qualities in improving accuracy of numerical solution and reducing cpu time
    利用變分原理的自適應(yīng)網(wǎng)格技術(shù)被應(yīng)用到兩個(gè)有解析解的激波問題上,它能根據(jù)問題的求解,在解的大梯度區(qū)自動(dòng)加密網(wǎng)格,從而非常成功地算出了激波。通過分析發(fā)現(xiàn)自適應(yīng)網(wǎng)格技術(shù)在提高精度減少運(yùn)行時(shí)間方面顯示了優(yōu)良的性能。
  • In 1990s, a calculation of the ground-state energy of an exciton confined in a cylindrical quantum wire in the presence of a uniform magnetic field is reported as a function of wire radius, using a variational approach by gang li, spiros v . branis and k . k . bajaj . a . balandin and s . bandyopadhya present variational calculations of the ground-state exciton binding energy and exciton radius in a quantum wire subjected to an external magnetic field . these studies have been primarily responsible for our current understanding of the nature of excitonic states in a quantum wire subjected to an external magnetic field
    九十年代中期,人們就開始了關(guān)于在外加磁場時(shí)量子線中激子特性的研究,gangli,spirosv.branis和k.k.bajaj利用變分法,對于圓柱形的量子線中激子的基態(tài)束縛能進(jìn)行了計(jì)算,發(fā)現(xiàn)對于一個(gè)給定的磁場值,激子的基態(tài)束縛能比不加磁場時(shí)變大。
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