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Assessing numerical error in structural dynamics using energy

Autor
Andújar, R.; Roset, J.; Kilar, V.
Tipus d'activitat
Article en revista
Revista
Advances in mechanical engineering
Data de publicació
2013
Pàgina inicial
1
Pàgina final
16
DOI
https://doi.org/10.1155/2013/906120 Obrir en finestra nova
Repositori
http://hdl.handle.net/2117/21140 Obrir en finestra nova
URL
http://www.hindawi.com/journals/ame/2013/906120/ Obrir en finestra nova
Resum
This work applies the variational principles of Lagrange and Hamilton to the assessment of numerical methods of linear structural analysis. Different numerical methods are used to simulate the behaviour of three structural configurations and benchmarked in their computation of the Lagrangian action integral over time. According to the principle of energy conservation, the difference at each time step between the kinetic and the strain energies must equal the work done by the external forces. By ...
Citació
Andújar, R.; Roset, J.; Kilar, V. Assessing numerical error in structural dynamics using energy. "Advances in mechanical engineering", 2013, p. 1-16.
Grup de recerca
AIEM - Arquitectura, energia i medi ambient

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