This is an animation of an asynchronous electric motor in Microsoft Excel. You can download the model by clicking on the icon below and try to run it.
A video demonstration of the virtual harmonograph running through a series of sixteen preset patterns.
A video review of the 3-pendulum animated harmonograph model together with the tutorials (part #1, part #2).
This is a video preview of an animated triple spring mass damper system moving in a 2-dimensional space. The model will work in all versions of excel but it will be slow in 2007 and 2010.
This is a video preview of the Simple Spring-Mass-Damper System model and the Double Spring-Mass-Damper System previously presented on this blog.
Since not everybody has Excel and more and more people are on the dumbed down new versions (2007 and 2010) I am presenting these previews to give the readers a feel of the real speed and feel of some of the models in older Excel versions (in this case 2003). This preview refers to an older model.