struct.node.force.unbal.global

Syntax

m := struct.node.force.unbal.global(sn<,i>)

Get the unbalanced force (expressed in the global coordinate system) of the structure node. The unbalanced force is the sum of all forces and moments acting on the node.

Returns:

m - matrix of unbalanced force with all degrees-of-freedom if the argument i is not assigned, or unbalanced force at the ith degree-of-freedom if the argument i is assigned

Arguments:

sn - pointer to a structure node

i - degree-of-freedom, i ∈ {1, 2, … , 6} or {1, 2, 3} in 2D. The default is 1.