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A Second-order Time-marching Procedure with Enhanced Accuracy

Delfim Soares Jr.1

Structural Engineering Department, Federal University of Juiz de Fora, CEP 36036-330, Juiz de Fora, MG, Brazil. E-mail:

Computer Modeling in Engineering & Sciences 2015, 105(5), 341-360.


In this work, a second-order time-marching procedure for dynamics is discussed, in which enhanced accuracy is enabled. The new technique is unconditionally stable (according to its parameter selection), it has no amplitude decay or overshooting, and it provides reduced period elongation errors. The method is based on displacement-velocity relations, requiring no computation of accelerations. It is efficient, simple and very easy to implement. Numerical results are presented along the paper, illustrating the good performance of the proposed technique. As it is described here, the new method has no drawbacks when compared to the Trapezoidal Rule (TR), which is one of the most popular time-marching techniques in dynamics, being always more accurate than the TR.


Cite This Article

Jr., D. S. (2015). A Second-order Time-marching Procedure with Enhanced Accuracy. CMES-Computer Modeling in Engineering & Sciences, 105(5), 341–360.

This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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