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FIGURE 5.14
Example of the effect of numbering DOF to achieve a banded stiffness matrix.
FIGURE 5.15
Form for computer storage of the banded matrix.
as bandwidth is reduced. These procedures are particularly useful when several problems
involving modifications to a basic structure or mesh system are being solved.
5.3.8
Static Condensation—Substructuring
In practice, structures can be very large and complicated. These structures may require
models of many thousands of elements, nodes, and DOF. If the elements of the model are
assembled in the manner described previously, a large global stiffness matrix may result,
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