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Investigation of Stability and Accuracy in Step-by-step Direct Time Integration Methods

Credit to Download: 1 | Page Numbers 9 | Abstract Views: 1310
Year: 2011
COI code: SEE06_055
Paper Language: English

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Authors Investigation of Stability and Accuracy in Step-by-step Direct Time Integration Methods

s Rostami - M.Sc., Department of Civil Engineering, Islamic Azad University, Kerman, Iran
s Shojaee - Assistant Professor, Department of Civil Engineering, University of Kerman, Kerman, Iran
a Moeinadini - M.Sc., Department of Civil Engineering, Islamic Azad University, Kerman, Iran

Abstract:

In this paper, most of direct time integration methods are compared in terms of stability and accuracy. The amplification matrix is created based on each method algorithm. By finding the spectral radius of each amplification matrix, stability analyses are done and compared to each other. Accuracy analysis is done through evaluation of two errors concerning amplitude decay and period elongation. The results are then presented in two graphs for comparison. Then, in order to involve parameters such as frequency content of applied load and size of time-step, numerical studies have been performed and the results presented in a table.

Keywords:

dynamic analysis, direct integration, stability, accuracy, explicit, implicit

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COI code: SEE06_055

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Rostami, s; s Shojaee & a Moeinadini, 2011, Investigation of Stability and Accuracy in Step-by-step Direct Time Integration Methods, 06th International Conference on Seismology and Earthquake Engineering, تهران, پژوهشگاه بين المللي زلزله شناسي و مهندسي زلزله, https://www.civilica.com/Paper-SEE06-SEE06_055.htmlInside the text, wherever referred to or an achievement of this article is mentioned, after mentioning the article, inside the parental, the following specifications are written.
First Time: (Rostami, s; s Shojaee & a Moeinadini, 2011)
Second and more: (Rostami; Shojaee & Moeinadini, 2011)
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