Lever

Lever assuming small angle deviation (without mass and inertia; geometric constraint)

Library

Mechanics/Translational/Components

Description

This block models a summing lever without mass and inertia. The model assumes small angle deviation. The translational flange  positions s = flange_a.s (right), s1 = flange_b1.s (top left) and s2 = flange_b2.s are constrained by the equation:

    (L + s) = (L2*s1 + L1*s2)/(L1 + L2).

Where L1 and L2 are the lengths of arm 1 and 2.

Parameters

    Lever_0

  • L1 [m] : Length of arm 1 (>0) (L1): Scalar.
  • L2 [m] : Length of arm 2 (>0) (L2): Scalar.
  • L [m] : Geometric constraint L=(L2*s1+L1*s2)/(L1+L2)-s (L): Scalar.

Ports

  • Port 1 at left position: implicit input fixedport numbered 1.
  • Port 1 at right position: implicit output fixedport numbered 1.
  • Port 2 at right position: implicit output fixedport numbered 2.

See Also