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- damping matrix perturbation 阻尼矩阵摄动法
- With matrix perturbation and interval extension, the algorithm for estimating the upper and lower bounds of the interval eigenvalues was developed. 应用矩阵摄动和区间扩张,提出了估计特征值上下界的计算方法。
- Based on the results and finite element formulation, the flutter force has been considered as equivalent aerodynamic stiffness matrix and equivalent aerodynamic damping matrix. 此外,通过变化把自激力的作用等效于作用在结构上的附加气动刚度和气动阻尼,采用单参数搜索的算法实现颤振分析。
- Dynamics theory and the “mass spring dashpot” system model were used to develop an equilibrium equation.The mass matrix, elasticity matrix and damping matrix were given. 从机械系统动力学理论出发,参照振动系统的“质量-弹簧-阻尼”模型,分析推导了系统动力学平衡方程,得到了质量矩阵、弹性矩阵及阻尼矩阵的具体表达式。
- The complex modal analysis method is generalized to the cases in which stiffness matrix may be singular and mass matrix,damping matrix and stiffness may be nonsymmetric. 把复模态分析法推广到刚度矩阵可以奇导且质量矩阵、阻尼矩阵和刚度矩阵均不必为对称的情形。
- Then several methods were introduced in the application of analyzing dynamic response: the matrix perturbation, the sensitivity method, the dual modal method, partial modification method. 介绍了几种应用于结构动力重分析的方法:矩阵摄动法、灵敏度方法、双模态方法和局部修改方法。
- The limit of damping matrix was extended in Hamiltonian model standard form, and this extension was proved to be reasonable by using it to generator Hamiltonian model. 对哈密顿标准形式中阻尼矩阵的限制进行推广,结合发电机哈密顿模型分析了这种推广的合理性。
- According to the structural properties and the vibration displacement of the box girder bridge, the element space damping matrix of the box girder bridge is derived on the principle of energy. 根据箱梁桥的结构特点及振动过程中的位移,由能量原理演绎出箱梁桥空间振动的阻尼矩阵,给出了阻尼矩阵的显式表达式,可供工程实际应用。
- second-order matrix perturbation 二阶摄动
- Matrix perturbation theory in structural dynamic design 结构动态设计的矩阵摄动理论
- By combining the interval mathematics and the finite element analysis, the mass matrix, damping matrix, stiffness matrix and the external loads are represented as interval matrices and vector. 通过结合区间数学和有限元分析,结构质量矩阵、阻尼矩阵、刚度矩阵和外载荷列向量采用区间矩阵和区间向量来描述。
- A Universal Matrix Perturbation Technique for Complex Modes 一种通用的复模态矩阵摄动法
- The party was a bit of a damp squib. 这次聚会有些扫兴。
- COMPLEX MODAL MATRIX PERTURBATION METHOD FOR ENERGY DISSIPATION SYSTEMS 耗能减震结构的复模态矩阵摄动法
- Leather can deteriorate in damp conditions. 皮革受潮可变质。
- Bread tends to mould in damp weather. 气候潮湿时,面包容易长霉。
- The damp climate seriously disagreed with her. 潮湿的气候使她感到很不舒服。
- In this paper the reason for the good GMTI qualities of PAMF is worked out with the theory of matrix perturbations, and the rules of how to determinate the PAMF’s order is proposed. 该文从矩阵扰动的角度分析出了PAMF方法性能较好的本质原因,并为PAMF方法的阶数确定给出了依据。
- I find that damp weather plays hell with my rheumatism. 我发现潮湿的天气使我的风湿病更严重了。
- These damp matches won't strike. 这些潮湿的火柴划不著。