Hi
my work is on the steel stiffened plate under in-plane load to find ultimate compressive strength.
i need to modeling imperfection with different value in different parts(plate,beam,stiffeners,...).
help me to this modeling.plz
#// imperfection to plate nodes
pi=3.1415926
pImp0=PB/200
p=mdb.models['Model-1'].parts['plate']
for n in range(len(p.nodes)):
x = p.nodes[n].coordinates[0]
y = p.nodes[n].coordinates[1]
offset = p.nodes[n].coordinates[2] + pImp0*cos(pi*x/PB)*cos(pi*y/PL)
p.editNode(nodes=p.nodes[n:n+1],offset3=offset,projectToGeometry=OFF)
#// imperfection to web nodes
pi=3.1415926
pImp0=WH/200
p = mdb.models['Model-1'].parts['FlgStiff']
for n in range(len(p.nodes)):
x = p.nodes[n].coordinates[0]
y = p.nodes[n].coordinates[1]
offset = p.nodes[n].coordinates[2] + pImp0*cos(pi*x/PB)*cos(pi*y/WH)
p.editNode(nodes=p.nodes[n:n+1],offset3=offset,projectToGeometry=OFF)
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