sub·struc·ture
The supporting part of a structure; the foundation.
What do you mean substructure?
noun. a structure forming the foundation of a building or other construction. the foundations, piers, and abutments upon which the trusses or girders of the spans of a bridge rest.
What is Sub Structure Data?
Substructures are collections of elements from which the internal degrees of freedom have been eliminated. Retained nodes and degrees of freedom are those that will be recognized externally at the usage level (when the substructure is used in an analysis), and they are defined during generation of the substructure.
