After comparing the transient heat conduction equation and the pore pressure generation-dissipation equation

this thesis presented a simplified method

basing on which we could apply the thermal-structure coupled field module of ANSYS to analyze the dynamic response of earth-rock dam conveniently. This method is similar to TT method

though

it is more appropriate to call it an improved TT method

because in this method the mechanical parameters of the soil materials are adjusted continually to simulate the coupled effect between the distortion of the soil skeleton and the dissipation of the pore pressure

which leads to a more precise simulation of the real condition. Finally

this approach was applied to calculate the three-dimensional seismic response of the earth core rockfill dam of Yunlong reservoir; and some valuable conclusions were drawn.