time-integration method

Through discussing precise time-integration method of structural dynamics, this part points out that the accuracy of nonlinear equation depends on the selection of integration method of load item.

通过对结构动力方程精细时程积分方法的讨论，指出非齐次方程的精度控制在于荷载项积分方法的选择。

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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。

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This paper employed the time history analysis method to analyze and compare the friction slip isolate structure, sandwich rubber padding isolation and parallel composite isolation.

用时程分析法对砌体结构的摩擦滑移隔震形式，夹层橡胶垫隔震方法及并联复合隔震方法进行了对比分析。

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The plate cone reticulated shell is analyzed on seismic responses with mode decomposition response spectrum and time history analysis method, some important conclusions are obtained for practical design.

分别采用振型分解反应谱法和时程分析法对板锥网壳结构进行了地震响应分析，得出了可应用于工程实践的重要结论。

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The half discrete difference scheme of forth-order is used to transform the delay partial differential equation into the delay ordinary differential equations. The higher accurate approximations are obtained when the precise time-integration method is applied to the delay differential equations. 5.

利用四阶精度半离散差分格式把延迟偏微分方程转化为延迟常微分方程组，应用精细时程积分法于延迟常微分方程组，得到了高精度的近似解。

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Structural dynamic response analysis by reduced dimensions based on a precise time-integration method

基于精细时程积分的结构动力响应降维分析

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Precise Time-Integration Method for Analysis of Dynamic Responses of Solid-Fluid Coupling System

流固耦合系统动力响应分析的精细时程积分法

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By means of the precise time-integration method and the method of direct integration of state equation, the mode of the time-integration has been discussed on the structural dynamical responses.

采用精细时程积分法及状态方程直接积分法，讨论了求解动力响应问题的时程积分方式。

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Flutter stability analysis of suspension bridges by precise time-integration method

悬索桥颤振稳定性分析的精细时程积分法

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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。

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On precise time-integration method for second order hyperbolic differential equations

二阶双曲型方程的精细时程积分法

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Precise time-integration method for solving four-order rod vibration equation

解四阶杆振动方程的精细时程积分法

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Parameter selection for precise time-integration method

精细时程积分法的参数选择

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Using explicit time-integration method and penalty contact algorithm, the process of contact mechanics between multi-core wire bunch and pressure connected terminal was simulated dynamically, and by means of connection area of pressure connection, the stability of its electronic information or power transmission was evaluated indirectly.

以显式时间积分法和罚接触算法，动态地仿真多芯线束与压力连接端子间的接触力学过程，并通过压力接触连接面积，间接地评价其电子信息或电力传输的稳定性；

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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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A Precise Time-integration Method for Transient Stability Simulation

精细时程法电力系统暂态仿真初探

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Precise Time-integration Method of Solving One-dimensional Consolidation Equation for Saturation Soil

求解一维饱和土固结方程的时程精细积分方法

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Moreover, due to the dynamic equations of LPMs with second-order derivative terms in time, the resulting structure-foundation-soil system can be solved by an explicit time-integration method.

此外，由于模型的动力方程具有二阶时间导数项，因而应用本文模型的结构–基础–土系统可以采用显式时间积分求解。

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A high-precision, high efficiency precise time-integration method based on multi-step prediction is presented and applied to power system transient stability calculation which has obtained good results.

本文提出了一种高精度、高效率的基于多步预测的精细积分计算方法，并将其应用到电力系统暂态稳定计算中来，获得了良好的效果。

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During the research of load identification, a formula of load identification was acquired by applying the precise time-integration method, and the value of exterior random instantaneous loading can be resolved by the matrix expression when the structural responses have been measured clearly.

在载荷识别的逆问题研究中引入精细时程积分的理论，给出了基于模态分解形式的载荷识别公式，并构造出矩阵表达形式，能利用结构响应数据通过迭代求解瞬态随机外部激励幅值。

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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。

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Applying the modified precise time-integration method, the semi-analytical solutions of the ordinary differential equations are developed.

在此基础上，运用改进后的精细时程积分法给出了常微分方程组的数值解。

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Combination of dynamic time-integration method, the wind-induced vibration responses of the tower were obtained in the time domain.

结合动力时程积分法，计算得到了结构的风致振动响应时程。

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The curves of structural seismic total input energy, hysteretic dissipated energy and damping energy are obtained using time history analysis method to analyse elastic-plastic structural.

通过结构弹塑性地震反应分析的时程分析法，可以计算出结构地震总输入能及结构阻尼耗能和滞回耗能的时程曲线。

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Error analysis and accuracy design for the precise time-integration method

精细时程积分法的误差分析与精度设计

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The precise time-integration method is proposed for solving four-order rod vibration equation with initial condition and periodic boundary condition. The local truncation error of the method is O(Δ x~ 4).

对于四阶杆振动方程初值和周期边界值问题，提出了截断误差阶为O（Δx6）的精细时程积分法。

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Incorporating the pseudo-excitation method and the precise time-integration method, the restriction of the stationary excitation is removed and the computational efficiency is greatly enhanced. The method can be applied to practical structures. 3.

虚拟激励和精细时程积分法的引入，去除了原有经典谱分析方法只能求解平稳随机激励的限制，且大幅度提高了计算效率，便于实际工程中对多自由度结构体系进行计算分析。

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Adopted simplified pile model and multi-segment beam element model, the seismic response of a frame structure supported by some isolated piles is analyzed by time history analysis method.

通过大量的数值分析结果，总结了土-结构相互作用效应对结构地震反应影响的规律。

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The failure mode and failure load of the shell are based on the results of ANSYS numerical simulation in which the time history analysis method is used and the seismic load is applied step by step until the destruction of shell model.

被预测网壳的破坏模式和破坏荷载是以网壳的ANSYS数值模拟的结果为依据，利用时程分析的方法，逐级施加地震荷载直到网壳模型破坏的方法得到的。

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Precise time-integration method with augmented matrix for analysis of non-stationary random responses

结构非平稳随机响应的增维精细时程积分

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