mgb,
The missiles have exactly the same shape/area on the contact surface. They are both 2x4's, but the vertical one has an iron weight on top of it. In this case, the damage I am talking about is not penetration into the wood, etc, but the actual breaking of structural components in the...
That is what we first tried. We based our initial calculations on the kinetic energy of the object, and therefore we increased the mass to 25 kg. However, the results of those tests seemed to suggest to us that the mass might be too large as the failures were much more catastrophic than we...
There is a standard impact test that is used in the fenestration industry. An air cannon is used to fire a piece of lumber at the unit being tested. The mass of the 'missile' is 4.09 kg. The velocity of the missile is 15.26 m/s.
I am wondering if there is a way to approximate this test...