Hybrid method for the computation of dynamic soil-structure ...

Hybrid domain methodDiscretisation in timeIntroductionHybrid methodTime Domain BEMFE-BEConclusions■ Linear temporal variation of the soil-structure interaction forces f s (t):■ Instantaneous soil flexibility:u N =N−1∑i=1F N−i f i s + F0 f N s (17)F 0 =■ Remaining influence matrices:∫ ∆t0τ ′∆t F(∆t − τ ′ ) dτ (18)F N−i =∫ ∆tτ ′+0∫ ∆t0∆t F ((N − i + 1)∆t − τ ′ ) dτ ′(1 − τ ′ )F ((N − i)∆t − τ ′ ) dτ ′ (19)∆tLMSSMat Hybrid method for the computation of dynamic soil-structure interaction in the time domain - p. 16/44