We present some tools [13] to discover exciting properties of the double pendulum, such as the small perturbations from stable equilibrium points, numerical solutions of its equations, the Poincaré’s ...

= 0. then and The exponent β mainly plays a role in multi-axial states of stresses, and setting β = 2 (so that) tr () to make the equivalent strain εeq appear. This choice is then consistent with ...