Higher-Order Implicit Dynamic Time Integration Method
Publication: Journal of Structural Engineering
Volume 131, Issue 8
Abstract
A general procedure is presented for the use of higher-order approximations of a system’s dynamic response using new time integration schemes. An implicit method is developed and presented that makes use of higher-order polynomial acceleration variations for multi-degree-of-freedom dynamic structural analyses. A variable is used to increase the stability and accuracy of the method. The relative merits and stability aspects of the method are described. The higher-order method is compared with two traditional implicit methods, the Wilson- Method and the Constant Average Acceleration Method of the Newmark family. The peak displacement percent difference and percent time difference to peak displacement are used to measure the accuracy of the methods when applied to a multi-degree-of-freedom frame problem.
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References
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Copyright
© 2005 ASCE.
History
Received: Feb 24, 2004
Accepted: Jan 31, 2005
Published online: Aug 1, 2005
Published in print: Aug 2005
Notes
Note. Associate Editor: Joseph W. Tedesco
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