Gabor Toth - 2015-11-28

Hi,

I am trying to simulate a falling ball to a sheet metal, unfortunately without any success. I have created the mesh in salome (.unv) and exported into Impact. I used the Bullet_AKM.in example as refrence, therefore the mesh of the ball is double of the sheet metal's mesh. The following BCs have been applied:
for the ball:
INITIAL_VELO VX = 0 VY = [0,-6400,0.000001,OFF,0.01,OFF] VZ = 0 AY = -9810 (Because the ball is dropped from 2100mm I have calculated an initial velocity)
for the sheet metal (only at the edges):
FIXED_ALL VX = 0 VY = 0 VZ = 0 VRX = 0 VRY = 0 VRZ = 0 AX = 0 AY = 0 AZ = 0 ARX = 0 ARY = 0 ARZ = 0

For the ball I have applied Solid_Iso_4 and Contact_Triangle (for the faces to find contact) and for the sheet metal Shell_C0_3 elements were applied.

The problem is that the ball always goes through the mesh and it seems that they can't find each other even if the mesh of the ball is denser or not. I am sending my input code, could anyone be so kind and look into that?

https://drive.google.com/file/d/0B11cEbklKF0zWGhyODVrczRWQXM/view?usp=sharing

Thank you in advance!
Gabor