Maybe you know I like numerical calculations, well I do. I think they are swell. VPython is my tool of choice. In the post Basics: Numerical Calculations I used vpython and excel to do something ...

The mass is just sitting there motionless. There is no acceleration and it is in equilibrium. What does this mean? This means that the net force in the y-direction (vertical direction) must be zero. I ...

When computer-aided engineering (CAE) methods became available for design work in the 1980s, finite element analysis (FEA) was the first to be widely adopted. Over the years, it's helped design ...

When designing helical or compression springs, you’ll confront several challenges and trade-offs, especially when it comes to getting the best possible performance from the wire. You will want to use ...