Mathematical Problems in Engineering / 2013 / Article / Tab 2

Research Article

Construction of Stiffness and Flexibility for Substructure-Based Model Updating

Table 2

Computation time for substructure-based model updating.

With the proposed well-conditioned eigenequationWith Moore-Penrose pseudo-inverse for rank-deficient matrixWith a small shift for rank-deficient matrix

Calculation of substructural eigensolution (seconds)4.159016.63424.1433
Calculation of substructural eigensensitivity (seconds)655.591683.21642.77
One iteration of model updating (hours)0.31030.73280.3087
Entire time of substructure-based model updating (hours)3.811.55.9

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