Mechanical animations

Change the inputs and watch what happens. Each one shows the equations behind it, so you can check the numbers yourself.

Four-stroke engine cycle

Otto cycle on a p–V diagram

Four-bar linkage and Grashof's rule

Spring–mass vibration

Mohr's circle for plane stress

Simply supported beam: shear force and bending moment

Cantilever with a UDL: deflection

Euler buckling of columns

Hydrostatic pressure on a wall

Venturi meter and Bernoulli's equation