質量矩 的英文怎麼說

中文拼音 [zhíliángjǔ]
質量矩 英文
ma moment
  • 質 : Ⅰ名詞1 （性質; 本質） nature; character; essence 2 （質量） quality 3 （物質） matter; substance;...
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 矩 : 名詞1. （畫直角或正方形、矩形用的曲尺） carpenter's square; square2. （法度; 規則） rules; regulations 3. [物理學] moment
  • 質量 : 1 [物理學] mass 2 （產品或工作的優劣程度） quality 3 economy （離子源的）; 質量標準 quality level...
  1. On the basis of the hamilton ' s principle, the element mass matrix, stiffness matrix, and damping matrix caused by coriolis force of the finite method for the conveying fluid tubes were educed in the paper

    本文用哈密頓變分式推導輸送流體管道的有限元法分析單元質量矩陣、剛度矩陣和科里奧利力引起的阻尼矩陣。
  2. Unidimensional mass - moment banlancing control system ' s modeling and tests

    一維質量矩控制系統建模與試驗
  3. The centrosymmetric structural dynamical systems with damping were studied. the nearest triple matrix of the centrosymmetric with satisfying characteristic equations was found to a given triple matrix ( mass 、 stiffness and damping matrices ). finally, numerical examples were given

    3 .研究了阻尼中心對稱結構動力模型修正問題，對給定的三重矩陣（質量矩陣、剛度矩陣和阻尼矩陣） ，求滿足譜約束條件且具有中心對稱特性的「最接近」的三重矩陣，並給出數值算例。
  4. According to the law of mass moment of inertia and of momentum moment, the conditions for the complete dynamic balance of rotor inertial forces and moment of inertia in the rotary piston vacuum pump are put forward, with the rotor movement in single cylinder analyzed as basis

    根據質量矩定理和動量矩定理對單缸滑閥真空泵的轉子運動狀況進行了分析，分別提出了轉子慣性力和慣性力矩完全動平衡的條件。
  5. ( 2 ) based on the wave equation in the acoustic fluid space and the theory of thin - wall structure, the non - symmetrical coupled structure - acoustic dynamic equation without damping is studied. the non - symmetric system of the finite element model for coupled structure - acoustic response is solved by the conjugate subspace iteration method

    由聲空間波動方程和薄板理論出發，對聲場?結構耦合系統的模態分析提出了有限元數值方法，採用共扼子空間迭代法對非對稱特徵方程進行處理，採用靜凝聚法消除質量矩陣的奇異性。
  6. This paper bring out design method of inverse eigenvalue problem, which adapts to general structures with linear parameters, namely coefficients of all or partial elastic component and inertial component are treated as design parameters, for given some order natural frequency and corresponding vibrating mode, all of useable designing parameters will be got through solving a linear system of equations, thereby stiffness matrix and mass matrix of actual structure are constructed. this paper also discusses existence condition and unique of results

    提出了適用於具有線性參數的一般結構的逆特徵值問題的設計方法，即以系統的全部或部分的彈性元件與慣性元件的系數為設計參數，對于預先給定的若干階固有頻率及相應振型，通過求解一線性方程組即可確定全部實際可行的設計變量，從而構造出實際結構的剛度矩陣和質量矩陣，並論證了解的存在性與唯一性。
  7. In the respect of pseudo dynamic test, the author explained the influencing factors of initial inputting stiffness matrix and the equivalent method of mass matrix of model

    在擬動力試驗方面，指出了聯機試驗中初始剛度矩陣的影響因素，建立了模型質量矩陣的等效方法。
  8. To assure astringency, some technologies have been used such as iterative penality function methods, assemblage mass matrix, reduced integration algoritlun, newton iteration method with parameters for non - linear equation set, introducing relax factors and double steps solution and so on, and an algorithin for solving the nonlinear equation set of flow field by fem has been presented

    基於有限元法建立了流場求解列式，為保證其收斂性，採用了迭代罰函數法，集中質量矩陣，縮減積分計算，帶參數的newton迭代求解，引入松馳因子及雙層解法等技術，提出了一套適合流場有限元方程計算的非線性方程求解方法。
  9. Lumped mass matrix

    集總質量矩陣
  10. Using the approximation form of lumped mass matrix instead of the mass matrix in finite element discretization in space, backward differencing scheme in time, an implicit computational scheme is yielded, it proved the convergence estimate for this implicit scheme

    對有限元離散中引起較大誤差的質量矩陣，採用了近似形式的集總質量矩陣來代替，時間項採用向後差分，得到了一個隱式的計算格式，證明了計算格式的收斂性及其收斂速度估計。
  11. Abstract : he problem of structural dynamic optimization with the reliability constraints of the frequency is studied in this paper

    文摘:首先對結構材料物理參數為隨機變量時，結構剛度和質量矩陣的建立以及結構特徵值隨機變量的數字特徵進行了推導。
  12. Consistent mass matrix

    相容質量矩陣
  13. The new mass matrixes of thin plate of element with applications

    薄板單元新的質量矩陣及其應用
  14. The mass matrix and the coupling matrix of bending and torsion vary with the time concern to the deflections of the system when the nonlinear inertial term and the geometric non - linearity term are comprised in the dynamic formulation

    文中推導的動力學有限元方程中的一致質量矩陣m和彎扭耦合矩陣?都考慮了幾何非線性項和非線性慣性項，因此是與系統變形有關的時變矩陣。
  15. According to the theory of the finite element analysis, the matrix of mass, rigidity and damp in every part of shell structure have been fixed on ; at the same time, calculation has been done in dynamics and statics

    利用有限元理論，分別確定了復合殼體結構中各部件的質量矩陣、剛度矩陣及阻尼矩陣，並對其進行了靜力學與動力學計算，結果證明內襯三維波紋鋼板復合殼體結構與普通混凝土殼體結構相比，其結構承載力有了較大的提高。
  16. Assembly of mass matrices

    質量矩陣的組集
  17. Firstly, the model of ship with the sate of heel is developed and then the hydrostatic forces and mass matrix of such model is calculated

    首先，本文建立船體橫傾的模型，給出橫傾后船體的靜水力及質量矩陣的演算法。
  18. The application of finite element method ( fem ) to dynamic stability analysis is described emphatically. the lagrangian equations is used to derive the necessary element matrices ( element stiffness matrix, element mass matrix and element geometric stiffness matrix )

    著重論述了有限元法在動力穩定問題中的應用，並採用lagrangian方程推導出單元矩陣的表達式（單元剛度矩陣、單元質量矩陣和單元幾何剛度矩陣） 。
  19. In this thesis a new numerical method - the finite volume method is developed to achieve the static and dynamic large - deflection response analysis for suspension cables. the finite - volume division scheme is first established along the length of the cable and the deformation of each volume is defined using the common engineering strain concept. based on this strain definition the strain energy of the cable is determined

    首先建立了懸索沿索長方向的有限體積離散格式，在變形后的構形上按工程方法求得了應變，並進一步得到了應變能和動能的計算式；再根據哈密頓原理導出了懸索大撓度振動的有限體積離散方程，推出了索的整體節點力向量、質量矩陣和切線剛度矩陣。
  20. The rayleigh - ritz method is used to lead to analytical expressions for the stiffness and mass matrices and load vector as well as their sensitivities, which uses the simple polynomials to define assumed displacement functions, geometry and construction of wing structures. excluding some selected terms from the displacement functions or using stiff springs at the specified locations imposes boundary conditions. the accuracy of calculated results is improved by including transverse shear effects and using multiple sets of ritz functions in the analysis

    它使用簡單多項式作為ritz基函數、定義翼面的幾何和結構參數，利用rayleigh - ritz方法導出翼面結構的剛度矩陣、質量矩陣和載荷向量及其靈敏度的解析表達式，通過排除位移函數中某些選定的項或在指定點使用約束彈簧施加各種邊界條件，考慮橫向剪切變形和使用多組ritz基函數改進分析的質量，使用等效蒙皮和等效夾芯技術提高計算效率。
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