To reduce the large amount of computation in the time domain analysis of SSI problem, an effective algorithm of calculating the convolution integrals was presented.
土—结相互作用的时域分析计算量很大,为减小计算量,提出了计算褶积分的有效方法。
The tested signal on pile head is the convolution of the vibration resource and frequency response function of itself in domain of time.
实测桩顶响应信号是振源与系统频响函数的时域卷积。
For the convenience of time -domain convolution, the vector fitting method is adopted to approach the characteristic impedance and delay function in complex frequency-domain.
为了便于时域卷积,对不同模量上的特征阻抗和延时函数在复频域采用矢量匹配法进行拟合。
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