Erratum for “Krylov Subspace Accelerated Newton Algorithm: Application to Dynamic Progressive Collapse Simulation of Frames” by Michael H. Scott and Gregory L. Fenves
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VIEW THE CORRECTED ARTICLEPublication: Journal of Structural Engineering
Volume 146, Issue 8
Fig. 2 of the original article contained two errors. A revised Fig. 2 is included herein and corrects those errors as follows:
First, Line 10 of the original pseudocode in Fig. 2 sets the stiffness matrix, , equal to the Jacobian matrix. This terminology implies a sign inconsistency with the system of equations shown in Eq. (7) of the original article. The correct terminology is stiffness, as shown in the corrected figure.
Second, the authors omitted a line of code from the original pseudocode. The algorithm requires Line 26 in the corrected figure in order to compute the vector when the subspace dimension, , is greater than zero. Computation of the vector is shown on Line 23 in the corrected Fig. 2 and described in Eq. (13) of the original article.
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©2020 American Society of Civil Engineers.
History
Received: Feb 29, 2020
Accepted: Mar 16, 2020
Published online: Jun 2, 2020
Published in print: Aug 1, 2020
Discussion open until: Nov 2, 2020
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