9.3 STATIC CONDENSATION
An application of FEM to a problem results in simultaneous equation set
If size of K is too large to fit into the CPU memory of the computer at hand, it is necessary to reduce the size of the matrix to solve the problem. Static condensation is a process of eliminating or condensing some unknown DOF (known as secondary or slave DOF) and re-cast the original Eq. set (9.1) in terms of fewer unknowns (termed as primary unknowns or master DOF).
Figure 9.3 Further reduction in the size of the problem
Table 9.1 (a) ...
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