Response of SDOF to special excitation Step force Ramp or linearly increasing force Step force with finite rise time ·Impulsive Force Response of SDOF to pulse excitation Rectangular pulse ·Half cycle sine pulse Triangular pulse force 目 主京2相季院 Response of SDOF to special excitation • Step force • Ramp or linearly increasing force • Step force with finite rise time • Impulsive Force  Response of SDOF to pulse excitation • Rectangular pulse • Half cycle sine pulse • Triangular pulse force