Abstract:Dynamics of a ball moving in gravitational field and colliding with a moving table is considered. The motion of the limiter is assumed as periodic with piecewise constant velocity. It is assumed that the table moves up with a constant velocity and then goes down with another constant velocity. The Poincaré map describing evolution from an impact to the next impact is derived. Several classes of solutions are computed in analytical form.
“…We treat the ball as a material point and assume that the limiter's mass is so large that its motion is not affected at impacts. Dynamics of the ball from an impact to the next impact can be described by the following Poincaré map in nondimensional form [13] (see also Ref. [14] where analogous map was derived earlier and Ref.…”
Section: Bouncing Ball: a Simple Motion Of The Tablementioning
confidence: 98%
“…Accordingly, we have decided to choose the limiter's periodic motion in a polynomial form to make analytical investigations of the dynamics possible. In our previous papers we have assumed displacement of the table as piecewise linear periodic function of time [9,10] as well as quadratic [11]. In this work we study dynamics for a cubic function of time Y c (T ): In Fig.…”
Section: Bouncing Ball: a Simple Motion Of The Tablementioning
confidence: 99%
“…We approached this problem assuming a special motion of the table. Recently, we have considered several models of motion of a material point in a gravitational field colliding with a limiter moving periodically with piecewise constant velocity [9,10] and velocity depending linearly on time [11]. In the present work we study the model in which periodic displacement of the table is a cubic function of time, carrying out our project to approximate the sinusoidal motion of the table as exactly as possible but preserving possibility of analytical computations [12].…”
Nonlinear dynamics of a bouncing ball moving vertically in a gravitational field and colliding with a moving limiter is considered and the Poincaré map, describing evolution from an impact to the next impact, is described. Displacement of the limiter is assumed as periodic, cubic function of time. Due to simplicity of this function analytical computations are possible. Several dynamical modes, such as fixed points, 2 -cycles and chaotic bands are studied analytically and numerically. It is shown that chaotic bands are created from fixed points after first period doubling in a corner-type bifurcation. Equation for the time of the next impact is solved exactly for the case of two subsequent impacts occurring in the same period of limiter's motion making analysis of chattering possible.
“…We treat the ball as a material point and assume that the limiter's mass is so large that its motion is not affected at impacts. Dynamics of the ball from an impact to the next impact can be described by the following Poincaré map in nondimensional form [13] (see also Ref. [14] where analogous map was derived earlier and Ref.…”
Section: Bouncing Ball: a Simple Motion Of The Tablementioning
confidence: 98%
“…Accordingly, we have decided to choose the limiter's periodic motion in a polynomial form to make analytical investigations of the dynamics possible. In our previous papers we have assumed displacement of the table as piecewise linear periodic function of time [9,10] as well as quadratic [11]. In this work we study dynamics for a cubic function of time Y c (T ): In Fig.…”
Section: Bouncing Ball: a Simple Motion Of The Tablementioning
confidence: 99%
“…We approached this problem assuming a special motion of the table. Recently, we have considered several models of motion of a material point in a gravitational field colliding with a limiter moving periodically with piecewise constant velocity [9,10] and velocity depending linearly on time [11]. In the present work we study the model in which periodic displacement of the table is a cubic function of time, carrying out our project to approximate the sinusoidal motion of the table as exactly as possible but preserving possibility of analytical computations [12].…”
Nonlinear dynamics of a bouncing ball moving vertically in a gravitational field and colliding with a moving limiter is considered and the Poincaré map, describing evolution from an impact to the next impact, is described. Displacement of the limiter is assumed as periodic, cubic function of time. Due to simplicity of this function analytical computations are possible. Several dynamical modes, such as fixed points, 2 -cycles and chaotic bands are studied analytically and numerically. It is shown that chaotic bands are created from fixed points after first period doubling in a corner-type bifurcation. Equation for the time of the next impact is solved exactly for the case of two subsequent impacts occurring in the same period of limiter's motion making analysis of chattering possible.
“…In our previous papers, we have assumed displacement of the table as piecewise linear periodic function of time [12][13][14][15]. In our recent work, preliminary results for function Y (T ) assumed as quadratic, Y q , and two cubic functions of time, Y c 1 and Y c 2 , have been obtained [16].…”
Section: Bouncing Ball: a Simple Motion Of The Tablementioning
confidence: 99%
“…Recently, we have considered several models of motion of a material point in a gravitational field colliding with a limiter moving with piecewise constant velocity [12][13][14][15]. Moreover, we have proposed more realistic yet still simple models approximating sinusoidal motion of the table as exactly as possible but still preserving possibility of analytical computations [16].…”
Nonlinear dynamics of a bouncing ball moving in gravitational field and colliding with a moving limiter is considered. Displacement of the limiter is a quadratic function of time. Several dynamical modes, such as fixed points, 2-cycles, grazing and chaotic bands are studied analytically and numerically. It is shown that chaotic bands appear due to homoclinic structures created from unstable 2-cycles in a corner-type bifurcation.
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