Seismic interaction analysis of pile and soil

Seismic soil and pile INTERACTION IS A complex phenomenon that affect the response of structures significantly during earthquake considering of complexities which exist in the soil and pile interaction and the effects of dynamic interaction and the lack of comprehensive theoretical bases it is necessary to use the numerical methods for analyzing of it. this paper presents a 3D finite element simulation of the behavior of vertical monopile subjected to a transient motion . the abaqus F.E.sotware in use for analyses in this research seismic loading is applies at the bedrock level in the horizontal direction as the acceleration time history.