Pure bending ToPy problem definition

pure-bending.tpd

[ToPy Problem Definition File v2007]

# Author: Josh Stults 
# pure bending topology optimization on a 640x720 domain   

PROB_TYPE  : comp
PROB_NAME  : pure-bend 
ETA        : exp   
DOF_PN     : 2
VOL_FRAC   : 0.3
FILT_RAD   : 1.6    
ELEM_K     : Q4  
NUM_ELEM_X : 640 # 1280
NUM_ELEM_Y : 720  
NUM_ELEM_Z : 0
FXTR_NODE_X: 1|721 #  Nodes 1 to (NUM_ELEM_Y + 1), LHS of domain.
FXTR_NODE_Y: 1 # top left-hand corner node  
LOAD_NODE_X: 461680; 461920 # nodes on right-hand of domain to be loaded 
LOAD_VALU_X: -1.0; 1.0  # load values in opposite directions at each node 

# NUM_ITER   : 500 
CHG_STOP: 0.001 # stop when objective function changes less than this

# Grey-scale filter (GSF)
P_FAC      : 1
P_HOLD     : 2  # num of iters to hold p constant from start
P_INCR     : 0.1  # increment by this amount
P_CON      : 1  # increment every 'P_CON' iters
P_MAX      : 3  # max value of 'P_CON'

# Q_FAC      : 1
# Q_HOLD     : 104  # num of iters to hold q constant from start
# Q_INCR     : 0.05  # increment by this amount
# Q_CON      : 1  # increment every 'Q_CON' iters
# Q_MAX      : 5  # max value of 'Q_CON'