Variable Name
Size
Description
x
double
Specify the distance variable the user want to use to compute the force
xdot
double
Communicates to IMPACT the time derivative of X
x1
double
Specify the lower bound of x.
x2
double
Specify the upper bound of x.
k
double
Specify the stiffness of boundary surface interaction.
E
double
The nonlinear coefficient value on the surface of the spring force.
cmax
double
Specify the maximum damping coefficient.
d
double
The depth of infiltration that induces the maximum damping coefficient.
order
int
|
|
BISTOP & IMPACT |
OTHER | ||
|
value(1) |
value(2) |
value(3) |
value | |
|
order = 0 |
|
0 |
0 |
|
|
order = 1 |
|
|
0 |
|
|
order = 2 |
|
|
0 |
|
value
double
errflg
int
If an error is encountered in invoking Predefined subroutine, this variable becomes true. This variable must be declared as a logical variable