Impulse
response, analytical
methods
Dynamics
Iqbal Ali Husni




                  LOGO
LOGO
    Hamiltonian approach


LOGO
    Hamiltonian approach






                           (2.311)
LOGO
    Legrangian approach




                          (2.313)



                          (2.314)



                          (2.315)
LOGO
    Constrained impulsive motion




                                   (2.318)




                                   (2.320)
LOGO
   Constrained impulsive motion

                                                               (2.321)


Finally we can write the general equation for constrained impulsive motion


                                                                 (2.323)
LOGO
    Legrangian multiplier form


LOGO
    Impulsive Constraints





                            (2.329)
LOGO
    Example 2.13



               The values of coordinates are




               The corresponding velocities
               just before impact are
LOGO
   Constrained impulsive motion
Three holonomic constraints which specify the particle separation are




Upon differentiation w.r.t time, these equation take form




These equations are valid continuously before and after the impact
LOGO
    Constrained impulsive motion

LOGO
    Constrained impulsive motion

LOGO
    Energy relations


LOGO
    Energy relations


LOGO
    Impulsive constraints

LOGO
    Impulsive constraints

LOGO
Impulsive constraints
          
LOGO
    Impulsive constraints

LOGO
Example 2.14
LOGO
    Example 2.14

LOGO
    Impulsive constraints

LOGO
    Impulsive constraints

                              (2.388)




                              (2.389)




                                                  (2.390)




                                        (2.391)




                    (2.392)
LOGO

Impulse response

  • 1.
  • 2.
    LOGO Hamiltonian approach 
  • 3.
    LOGO Hamiltonian approach  (2.311)
  • 4.
    LOGO Legrangian approach  (2.313) (2.314) (2.315)
  • 5.
    LOGO Constrained impulsive motion  (2.318) (2.320)
  • 6.
    LOGO Constrained impulsive motion (2.321) Finally we can write the general equation for constrained impulsive motion (2.323)
  • 7.
    LOGO Legrangian multiplier form 
  • 8.
    LOGO Impulsive Constraints  (2.329)
  • 9.
    LOGO Example 2.13  The values of coordinates are The corresponding velocities just before impact are
  • 10.
    LOGO Constrained impulsive motion Three holonomic constraints which specify the particle separation are Upon differentiation w.r.t time, these equation take form These equations are valid continuously before and after the impact
  • 11.
    LOGO Constrained impulsive motion 
  • 12.
    LOGO Constrained impulsive motion 
  • 13.
    LOGO Energy relations 
  • 14.
    LOGO Energy relations 
  • 15.
    LOGO Impulsive constraints 
  • 16.
    LOGO Impulsive constraints 
  • 17.
  • 18.
    LOGO Impulsive constraints 
  • 19.
  • 20.
    LOGO Example 2.14 
  • 21.
    LOGO Impulsive constraints 
  • 22.
    LOGO Impulsive constraints  (2.388) (2.389) (2.390) (2.391) (2.392)
  • 23.