| 1. | The lumped mass matrix is a diagonal matrix .
集中质量阵是一个对用阵。 |
| 2. | The new mass matrixes of thin plate of element with applications
薄板单元新的质量矩阵及其应用 |
| 3. | Assembly of mass matrices
质量矩阵的组集 |
| 4. | Consistent mass matrix
相容质量矩阵 |
| 5. | Lumped mass matrix
集总质量矩阵 |
| 6. | 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，本文建立船体横倾的模型，给出横倾后船体的静水力及质量矩阵的算法。 |
| 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
在拟动力试验方面，指出了联机试验中初始刚度矩阵的影响因素，建立了模型质量矩阵的等效方法。 |
| 8. | 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
本文用哈密顿变分式推导输送流体管道的有限元法分析单元质量矩阵、刚度矩阵和科里奥利力引起的阻尼矩阵。 |
| 9. | 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
文中推导的动力学有限元方程中的一致质量矩阵m和弯扭耦合矩阵?都考虑了几何非线性项和非线性惯性项，因此是与系统变形有关的时变矩阵。 |
| 10. | 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 )
着重论述了有限元法在动力稳定问题中的应用，并采用lagrangian方程推导出单元矩阵的表达式(单元刚度矩阵、单元质量矩阵和单元几何刚度矩阵) 。 |
