def input_node_loads(self):
table = self.get_table("node_loads")
dirns = ["FX", "FY", "FZ"]
for ix, row in table.iterrows():
n = self.get_node(row.NODEID)
if row.DIRN not in dirns:
raise ValueError(
"Invalid node load direction: {} for load {}, node {}; must be one of '{}'".format(
row.DIRN, row.LOAD, row.NODEID, ", ".join(dirns)
)
)
if row.DIRN in n.constraints:
raise ValueError("Constrained node {} {} must not have load applied.".format(row.NODEID, row.DIRN))
l = makeNodeLoad({row.DIRN: row.F})
self.nodeloads.append(row.LOAD, n, l)
self.rawdata.node_loads = table
def input_support_displacements(self):
table = self.get_table("support_displacements", optional=True)
forns = {"DX": "FX", "DY": "FY", "RZ": "MZ"}
for ix, row in table.iterrows():
n = self.get_node(row.NODEID)
if row.DIRN not in forns:
raise ValueError(
"Invalid support displacements direction: {} for load {}, node {}; must be one of '{}'".format(
row.DIRN, row.LOAD, row.NODEID, ", ".join(forns.keys())
)
)
fd = forns[row.DIRN]
if fd not in n.constraints:
raise ValueError(
"Support displacement, load: '{}' node: '{}' dirn: '{}' must be for a constrained node.".format(
row.LOAD, row.NODEID, row.DIRN
)
)
l = makeNodeLoad({fd: row.DELTA})
self.nodedeltas.append(row.LOAD, n, l)
self.rawdata.support_displacements = table
