该文提出了一种有限元(FE)比例边界有限元(SBFE)时域耦合方法以分析结构地基动力相互作用问题。
A time domain coupling procedure was developed for the finite element (FE) and scaled boundary finite-element (SBFE) methods to analyze dynamic unbounded soil-structure interaction problems.
针对钢结构有限元建模中出现的问题，提出基于时域下的模型相关性检验方法。
In order to solve the problem of finite element model in steel structure, the checking method on correlativity of models is put forward based on time domain.
提出了一种弹性水平成层半空间中平面内波动斜入射时自由波场时域计算的一维化有限元方法。
A 1d finite element method in time domain is developed, which is used to calculate the in-plane wave motion of free field in elastic layered semispace by oblique seismic incidence.
提出了一种计算出平面SH波斜入射时弹性半空间自由波场时域计算的一维化有限元方法。
A 1d finite element method in time domain is developed, where the wave motion of free field in elastic half-space by SH wave oblique incidence is simulated.
利用二维快速傅立叶变换的时频分析方法，对有限元计算得到的时域信号进行了分离，得到了各个模式超声波的相速度色散曲线。
The two-dimensional fast Fourier transform (2D-FFT) method has been used to analyze the ultrasonic signals where different wave modes overlaid in the time domain.
利用二维快速傅立叶变换的时频分析方法，对有限元计算得到的时域信号进行了分离，得到了各个模式超声波的相速度色散曲线。
The two-dimensional fast Fourier transform (2D-FFT) method has been used to analyze the ultrasonic signals where different wave modes overlaid in the time domain.
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