Tag Archives: hole trough the middle of the Earth

Daily Download 28: The Hole Through the Middle of the Earth, using ODE solvers, and Three Blokes

Posted on October 16, 2012 by dougaj4

Today’s download is based on a series of posts on the “hole through the middle of the Earth”, which by devious means has been tied in with the solution of differential equations, buckling of columns, and a story by Bill … Continue reading →

Posted in Beam Bending, Excel, Maths, Newton, UDFs, VBA | Tagged , , , , , | Leave a comment

The hole through the middle of the Earth – moved to the Equator

Posted on August 2, 2010 by dougaj4

Previous posts in this series assumed that the hole went from pole to pole, and ignored such complications as tidal effects and wobbles of the axis of rotation.  In this post we will examine the effect of moving the hole … Continue reading →

Posted in Differential Equations, Excel, Maths, Newton, UDFs, VBA | Tagged , , , , , | 2 Comments