nodes.add(2, [-b, 0.]) #Left support
nodes.add(3, [b, 0.]) #Right support
nodes.add(4, [0., h]) #Loading point
#ElementSet
from pyfem.fem.ElementSet import ElementSet
from pyfem.elements.Truss import Truss
from pyfem.elements.Spring import Spring
elements = ElementSet(nodes)
elements.add(1, Truss([2, 4]))
elements.add(2, Truss([3, 4]))
elements.add(3, Spring([1, 4]))
#Add groups
elements.addGroup('Trusses', [1, 2])
elements.addGroup('Spring', [3])
#DofSpace
from pyfem.fem.DofSpace import DofSpace
dofs = DofSpace(elements)
dofs.constrain(1, ['u', 'v'])
dofs.constrain(2, ['u', 'v'])
dofs.constrain(3, ['u', 'v'])
###################################
# Store in global data dictionary #
###################################
