# Projectile impact contact time

## Main Question or Discussion Point

I am interested to know if there is possible to find out the contact time by a colliding object into a plate, given material properties? My object is to find out the pressure on a plate using force acting on an area.

What i know:

Mass of both projectile and target plate
Impact velocity of projectile
Density of both projectile and target plate
I also know yield strength, ultimate strength.. for the plate.

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If the object is really to know the pressure then I think you will need to know the geometry and elastic properties of the plate and also that of the projectile.

Well I know the dimensions of the bullet and plate, like radius, length and width, height of the plate. I could also know some elastic properties of the plate if I find a table that would give me those properties as a material.

The main thing I want to know if there is some way to calculate the contact time. That way I can calculate the Pressure with Force/Area. (I need the time in the force calculations)

A.T.
Well I know the dimensions of the bullet and plate, like radius, length and width, height of the plate. I could also know some elastic properties of the plate if I find a table that would give me those properties as a material.
Check out all the complicated stuff that goes on in such collisions: