As part of an in-depth analysis of the motion of the proposed isolator, we have created real-time video simulations.

The purpose of the simulations is to validate, beyond any doubt, the correctness of our equations of motion, and to perform parametric analyses regarding the geometry and the damping effects.

 

The following video simulations are available:

Simulation #01

Isolator type: Spherical
Earthquake X: 01 SAN FERNANDO 090
Earthquake Z: 01 SAN FERNANDO UP
Roller radius r = 0.15 m
Bottom plate κ2 = 0.15
Bottom plate R2 = 0.9 m
Bottom plate R2eff = 0.75 m
Bottom plate μ2 = 0.005
Top plate κ1 = 0.15
Top plate R1 = 0.9 m
Top plate R1eff = 0.75 m
Top plate μ1 = 0.005
Initial θ = +00.000 deg
Initial θ' = +00.000 deg/s
Restitution coefficient = 1
Roller mass m = 10 kg
Superstructure mass M = 100 kg

Video link

Simulation #02

The same as #1 but with the following differences
Bottom plate κ2 = 0.05
Top plate κ1 = 0.05

Video link