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- A variational difference method for obtaining the periodic solutions of N-body type Hamiltonian systems with singular potential was provided. By this difference scheme, infinitely many periodic solutions can be found. 摘要給出一種求解具有奇異勢能N體問(wèn)題周期解的新差分格式，利用這種差分格式可以得到無(wú)窮多個(gè)周期解，并通過(guò)一個(gè)具體算例說(shuō)明了方法的有效性。
- Application of the Variate Difference Method to Analyzing Observation Data for Dam Deformation 差分法在大壩變形觀(guān)測資料分析中的應用
- Variational Difference Method for Periodic Solutions of N-Body Problems 求N體問(wèn)題周期解的變分差分方法
- The nonlinear differential equations are solved using finite difference method. 用有限差分法求解非線(xiàn)性微分方程組。
- The buckling critical load is calculated with finite difference method. 用差分法求解這個(gè)方程，得到了連續油管的臨界失穩載荷。
- Using limited difference method the stretching amount of a basin may be calculated. 通過(guò)有限差分方法解該方程可計算盆地的拉伸量。
- In this paper, difference method is used for solving tangential stress at the boundary on the basis of BEM. 本文在邊界元法分析的基礎上,用差分法計算邊界切向應力。
- The way of using finite difference method to solve the dynamic response factors of a two dimension prob lem is shown. 同時(shí)還介紹了用有限差分法計算二維問(wèn)題的響應系數的方法。
- By using a full-hidden finite difference method a numerical calculation was conducted of the above-cited model. 采用全隱式有限差分方法對模型進(jìn)行了數值計算。
- He used different methods to test for allergies. 他用不同的方法測定變態(tài)反應性。
- And by means of Oula difference method, the unified constitutive equations numerical solutions were also obtained. 采用歐拉差分法，得到了統一本構方程的數值解。
- Theory of finite element method and finite difference method for BFIA are briefly discussed. 摘要簡(jiǎn)要分析了用有限元法和有限差分法計算下部鉆具組合的理論。
- The quadratic monotone interpolation characteristic difference method is proposed to overcome these defects. 為克服其不足,建立和研究了二次單調插值特征差分方法。
- Two different methods, two different results. 兩樣做法， 兩種結果。
- Record different methods of decorating a kite. 記錄下裝飾風(fēng)箏的不同方法。
- Fig. 3b IR brightness temperature annual variation difference of 2003 and 2004 m inus 1999 of background area. 景區的亮溫變化過(guò)程才能判斷火山區是否存在增溫趨勢。
- The CPU time of the Hermite-Galerkin approximation is greatly less than that of the finite difference method. 對Navier-Stokes方程構造的Hermit-Galerkin近似 與有限差分近似相比，Hermite--alerkin近似數值分析的時(shí)間減少了許多。
- To friable rock mass in the goaf,numeric model using the 3-D finite difference method is established to analyze it. 針對采空區內的松散巖體,運用三維有限差分法建立了數值模型對其進(jìn)行分析;研究結果表明,在不同埋深條件下松散巖體的應力呈直線(xiàn)變化;
- The finite difference method is used to calculate the multi dimensional diffusion of hydrogen isotopes in materials. 研究了氫同位素在材料中多維擴散行為的有限差分計算方法。
- Whether it rains or not makes no difference to me. 下不下雨對我來(lái)說(shuō)都一樣。
