nmm 中文意思是什麼

nmm 解釋
試驗扭矩
  1. We first set up the hiberarchy of the nmm ’ s visualization and focus on the study of pem ’ s visual process. then the coupling equation of pem is deduced and a rapid algorithm for solutions of bordered tridiagonal linear equations is put forward. in the last of the thesis, elementary system of deformation geometry unified for manifold ’ s structure is studied primarily via the idea of unified modeling and some theoretic results for analytical visualization are given out under the system of frenet frame of arbitrary parameters

    文章結合nmm的基本原理和特點，研究了nmm可視化的有關理論和方法;文章首先建立了nmm可視化的層次結構，重點對面素單元法（ pem ）的可視化過程進行了細致研究，推導出了pem的耦合方程，然後給出加邊三對角方程組的一種快速求解演算法，最後還從統一建模的思想對統一于流形結構變形幾何的基本體系進行了初步研究，得到了任意參數形式下frenet標架體系的若干適用於解析可視化的理論結果。
  2. The numerical manifold method ( nmm ) is a newly developed general numerical method based on mathematical manifold

    以數學流形為基礎，新發展的數值流形方法是一種有普遍意義的數值方法（簡稱流形方法） 。
  3. For complicated object with arbitrary shape, the finite cover system of 3d nmm and mesh can be automatically generated by program through using these classes and trees

    對任意形狀的復雜結構體，用流形方法的數據類實現了流形單元有限覆蓋系統的全自動生成及網格自動劃分。
  4. The program abstract the finite cover system of 3d nmm as independent data classes, and give the definition and implement of the classes, and manage these data classes by techniques of tree structure

    程序將三維數值流形方法的有限覆蓋系統抽象為一些獨立的數據類，給出了類的描述和它們的實現方法，並用樹狀結構對這些數據類進行管理。
  5. First of all, the hexahedral meshes are chosen as the cover system of nmm. the cover system of three - dimensional nmm, displacement functions in the all cover systems, the selection of weight functions, diversified unit matrix and numerical integral method of manifold element ( hammer integral method ) are discussed in detail

    文中首先選取標準的三維六面體網格作為流形方法的基本覆蓋，研究了三維數值流形方法的有限覆蓋系統、各階覆蓋位移函數、單元權函數的選取、三維數值流形方法中的各種單元矩陣、以及流形單元的數值積分方法（ hammer積分方法） 。
  6. Numerical manifold method ( nmm ) is a new numerical method that is widely used in many fields of engineering computations and is the research hotspot in cad / cam

    數值流形方法（ nmm ）是近年來新型的數值方法，廣泛應用於工程計算的諸多領域，近年來成為cad / cam的一個研究熱點。
  7. Traditional finite element method ' s mesh can be used as the mathematic mesh for the nmm. and nmm is a promising numerical method to solve both the continuous and discontinuous deformation problem of rock mass and to unify the finite element method ( fem ), discontinuous deformation analysis ( dda ) and analytic method

    流形元法的最大優點可以統一處理連續變形與非連續變形問題，同時可以統一解決有限元法、非連續變形分析及解析法的計算問題，具有廣泛的應用前景。
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