OUTPUT_CONTACT_FORCE
Output
*OUTPUT_CONTACT_FORCE
"Optional title"
coid, entype, enid
"Optional title"
coid, entype, enid
Parameter definition
Variable
Description
coid
Command ID
entype
Entity type
enid
Entity ID
Description
This command is used to specify a region where all contact forces are sampled and output to the ASCII file contact_force.out. The output interval is parameter $\Delta t_{ascii}$ in OUTPUT.
Example
Two colliding spheres
The contact forces on the two colliding spheres are sampled and output to contact_force.out.
*UNIT_SYSTEM
SI
#
# --- TIME and OUTPUT ---
#
*TIME
2.0e-5
*OUTPUT_CONTACT_FORCE
"upper sphere"
1, P, 1
*OUTPUT_CONTACT_FORCE
"lower sphere"
2, G, 10
*GEOMETRY_SEED_COORDINATE
10
0, 0, -0.02
#
# --- MESH ---
#
*COMPONENT_SPHERE
"upper sphere"
1, 1, 5
0, 0, 0.01, 0.01
*COMPONENT_SPHERE
"lower sphere"
2, 2, 5
0, 0, -0.01, 0.01
#
# --- MATERIAL ---
#
*MAT_METAL
1, 7800.0, 210.0e9, 0.3
1
*FUNCTION
1
1.0e8
#
# --- PART ---
#
*PART
"upper sphere"
1, 1
"lower sphere"
2, 1
#
# --- INITIAL CONDITION ---
#
*INITIAL_VELOCITY
P, 1, 0, 0, -200
#
# --- CONTACT ---
#
*CONTACT
"all to all"
1
ALL, 0, ALL, 0, 0.1
*END