Command manual

Command list

Functions & parameters (*FUNCTION only)

The following functions are only supported by the command FUNCTION.

Function / parameter Description
crv(cid,x) Returns the ordinata of curve cid at abscissa x
dist_surf(xn,yn,zn) Distance to material surface (see examples at FUNCTION_STATIC)
dmg Damage
dnorm Spring elongation in CONNECTOR_SPRING
dt Current time step size
epsp Effective plastic strain
eint Specific internal energy
fxc(cid) Total contact force in x-direction in contact interface cid
fyc(cid) Total contact force in y-direction in contact interface cid
fzc(cid) Total contact force in z-direction in contact interface cid
fc(cid) Total contact force in contact interface cid
fxr(bcid) Reaction force in x-direction in *BC_MOTION definition bcid
fyr(bcid) Reaction force in y-direction in *BC_MOTION definition bcid
fzr(bcid) Reaction force in z-direction in *BC_MOTION definition bcid
fr(bcid) Total reaction force force in *BC_MOTION definition bcid
fxj(jid) Force in x-direction in *RIGID_BODY_JOINT definition jid
fyj(jid) Force in y-direction in *RIGID_BODY_JOINT definition jid
fzj(jid) Force force in z-direction in *RIGID_BODY_JOINT definition jid
txj(jid) Torque around x-axis in *RIGID_BODY_JOINT definition jid
tyj(jid) Torque around y-axis in *RIGID_BODY_JOINT definition jid
tzj(jid) Torque around z-axis in *RIGID_BODY_JOINT definition jid
rxj(jid) Rotation around x-axis in *RIGID_BODY_JOINT definition jid
ryj(jid) Rotation around y-axis in *RIGID_BODY_JOINT definition jid
rzj(jid) Rotation around z-axis in *RIGID_BODY_JOINT definition jid
sxj(jid) Spin around x-axis in *RIGID_BODY_JOINT definition jid
syj(jid) Spin around y-axis in *RIGID_BODY_JOINT definition jid
szj(jid) Spin around z-axis in *RIGID_BODY_JOINT definition jid
pres Contact pressure or hydrostatic pressure in material (LOAD_PRESSURE)
sigy0 Initial yield stress (can be unique for each integration point if using INITIAL_STATE_WELDSIM)
t Current time
volfs(fsid) Volume enclosed by face set fsid
vnorm Local velocity in the normal direction to the surface of the structure or rate of elongation in CONNECTOR_SPRING
vtang Relative tangential sliding velocity (for use with CONTACT)
vx Local velocity in x-direction (e.g. velocity of an element face in LOAD_PRESSURE or a node in BC_MOTION)
vy Local velocity in y-direction
vz Local velocity in z-direction
vxn(nid) Velocity in x-direction of node nid
vyn(nid) Velocity in y-direction of node nid
vzn(nid) Velocity in z-direction of node nid
vn(nid) Velocity of node nid
xs(sid) x-coordinate of *OUTPUT_SENSOR sid
ys(sid) y-coordinate of *OUTPUT_SENSOR sid
zs(sid) z-coordinate of *OUTPUT_SENSOR sid
dxs(sid) x-displacement of *OUTPUT_SENSOR sid
dys(sid) y-displacement of *OUTPUT_SENSOR sid
dzs(sid) z-displacement of *OUTPUT_SENSOR sid
vxs(sid) Velocity in x-direction of *OUTPUT_SENSOR sid
vys(sid) Velocity in y-direction of *OUTPUT_SENSOR sid
vzs(sid) Velocity in z-direction of *OUTPUT_SENSOR sid
axs(sid) Acceleration in x-direction of *OUTPUT_SENSOR sid
ays(sid) Acceleration in y-direction of *OUTPUT_SENSOR sid
azs(sid) Acceleration in z-direction of *OUTPUT_SENSOR sid
ps(sid) Pressure of *OUTPUT_SENSOR sid
sig1s(sid) First principal stress of *OUTPUT_SENSOR sid
epsps(sid) Effective plastic strain of *OUTPUT_SENSOR sid
depsps(sid) Effective plastic strain increment of *OUTPUT_SENSOR sid
vxp(pid) Velocity in x-direction of part pid
vyp(pid) Velocity in y-direction of part pid
vzp(pid) Velocity in z-direction of part pid
rxp(pid) Rotation around x-axis of rigid part pid
ryp(pid) Rotation around y-axis of rigid part pid
rzp(pid) Rotation around z-axis of rigid part pid
mpp(pid) Physical mass of part pid
mpa(pid) Non-physical mass added to part pid
wip(pid) Internal energy of part pid
wkp(pid) Kinetic energy of part pid
x Current x-coordinate (e.g. location of an element face in LOAD_PRESSURE or a node in BC_MOTION)
y Current y-coordinate
z Current z-coordinate
X Initial x-coordinate (e.g. location of an element face in LOAD_PRESSURE or a node in BC_MOTION)
Y Initial y-coordinate
Z Initial z-coordinate
xnorm x-component of local surface normal direction
ynorm y-component of local surface normal direction
znorm z-component of local surface normal direction
xn(nid) x-coordinate of node nid
yn(nid) y-coordinate of node nid
zn(nid) z-coordinate of node nid
smooth_d($d_{max}, t_0, t_1$) Smooth displacement function going from 0 at time $t_0$ to $d_{max}$ at $t_1$
smooth_v($d_{max}, t_0, t_1$) Smooth velocity function that is obtained by differentiating smooth_d with respect to time
smooth_a($d_{max}, t_0, t_1$) Smooth acceleration function that is obtained by differentiating smooth_v with respect to time
mine_dry($m, x, y, z, z_0$) Pressure function that mimics a cylindrical mine buried in dry soil (TNT equivalent mass $m$, height/diameter ratio 1/3, charge center coordinate $(x,y,z)$ and ground surface at coordinate $z_0$)