1. Lysmer J, Kulemeyer R L. Finite dynamic model for infinite media. J Eng Mech, ASCE, 1969, 95: 759–877
2. Wu C L, Gu X M. Absorption boundary for the finite-element modeling of the 3-D elastic wave (in Chinese). Geophys Prospect Petrol, 1997, 36(2): 25–31
3. Deeks A J, Randolph M F. Axisymmetric time-domain transmitting boundaries. J Eng Mech, ASCE, 1994, 120(1): 25–42
4. Liu J B, Lu Y D. A direct method for analysis of dynamic soil-structure interaction based on interface idea. In: Zhang C H, Wolf J P, eds. Dynamic Soil-Structure Interaction. Beijing: International Academia Publishers, 1997. 258–273
5. Liu J B, Lu Y D. A direct method for analysis of dynamic soil-structure interaction (in Chinese). China Civil Eng J, 1998, 31(3): 55–64