precise time integration method 精细时程积分法
the precise time integration method 精细积分多步法
multi-modal precise time-integration method 多模态精细时程积分法
During the research work, a formula of load identification has been acquired by applying the precise time-integration method; furthermore, the matrix expression has also been given.
基于此，文章引入精细时程积分的理论，并将其应用到载荷识别的逆问题中，进而给出了基于模态分解形式的载荷识别公式，并且构造出了有利于计算机编程实现的矩阵表达形式。
参考来源 - 结构物动态载荷识别时域方法研究·2,447,543篇论文数据，部分数据来源于NoteExpress
In this thesis, 3-d coupling vibrations of internal combustion engine shafting are presented basing on dynamic stiffness matrix and precise time-integration method.
本论文以动态刚度矩阵和精细时程积分法为基础，分析了内燃机轴系的三维耦合振动形式。
To overcome the difficulties in the solving process brought by the multi-modal damping model, the modal transformation strategy and the precise time-integration method are applied.
采用了模态变换和精细积分法，解决了考虑多阶模态的阻尼矩阵给求解所带来的困难。
The multiple scale method (MSM) is introduced to analyze the characteristics of cable's vibration, and the precise time-integration method (PTIM) is used to solve vibration equations.
采用多尺度法研究拉索大幅振动的各种可能性，运用精细时程积分法数值求解振动方程。
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