Publicado

2019-01-01

Numerical comparisons of sandwich viscoelastic beam models

Comparaciones numéricas de modelos de vigas sándwich con núcleo viscoelástico

DOI:

https://doi.org/10.15446/dyna.v86n208.67454

Palabras clave:

viscoelastic material, sandwich model, vibration control (en)

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Autores/as

Composite structures with elastic layers and viscoelastic core have been used as a passive damping treatment applied to reduce vibration amplitudes. In the design phase of this type of damping technique, many aspects ranging from computer modeling to laboratory tests should be considered. Due to the frequency dependency of mechanical properties of these materials, time domain based models for viscoelastic materials are not as numerous as frequency domain based methods. Usually, time domain methods introduce extra dissipation coordinates or internal variables as Golla-Hughes-McTavish (GHM) method and also Anelastic Displacement Field (ADF) method. In this paper, these methods are evaluated by comparing theirs results to the ones obtained by means of theoretical analysis. Processing time are also evaluated highlighting advantages and disadvantages of these methodologies. Finally, these two time domain methods are applied to a real structure, pointing out the facilities and difficulties to simulate an actual situation.
Estructuras compuestas con capas elásticas y núcleo viscoelástico han sido usadas como tratamiento amortiguador pasivo para reducir las amplitudes de vibraciones. En el proyecto de este tipo de técnica de amortiguación, muchos aspectos deben ser considerados, desde este modelaje computacional hasta ensayos en laboratorio. En este artículo, un abordaje basado en los modelos Golla-Hughes-McTavish (GHM) y Anelastic Displacement Field (ADF) son presentados y aplicados al modelaje de materiales viscoelásticos. Con el fin de evaluar los resultados numéricos se realizó un programa experimental. En este sentido, a partir de las propiedades dinámicas de un material viscoelástico, son evaluados el comportamiento de estructuras sándwich a través de modelos numéricos, enseñándonos las ventajas y desventajas de estas metodologías.

Referencias

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Cómo citar

IEEE

[1]
W. Neme Felippe, F. Barbosa, C. Magluta, N. Roitman, y F. Borges, «Numerical comparisons of sandwich viscoelastic beam models», DYNA, vol. 86, n.º 208, pp. 28–36, ene. 2019.

ACM

[1]
Neme Felippe, W., Barbosa, F., Magluta, C., Roitman, N. y Borges, F. 2019. Numerical comparisons of sandwich viscoelastic beam models. DYNA. 86, 208 (ene. 2019), 28–36. DOI:https://doi.org/10.15446/dyna.v86n208.67454.

ACS

(1)
Neme Felippe, W.; Barbosa, F.; Magluta, C.; Roitman, N.; Borges, F. Numerical comparisons of sandwich viscoelastic beam models. DYNA 2019, 86, 28-36.

APA

Neme Felippe, W., Barbosa, F., Magluta, C., Roitman, N. & Borges, F. (2019). Numerical comparisons of sandwich viscoelastic beam models. DYNA, 86(208), 28–36. https://doi.org/10.15446/dyna.v86n208.67454

ABNT

NEME FELIPPE, W.; BARBOSA, F.; MAGLUTA, C.; ROITMAN, N.; BORGES, F. Numerical comparisons of sandwich viscoelastic beam models. DYNA, [S. l.], v. 86, n. 208, p. 28–36, 2019. DOI: 10.15446/dyna.v86n208.67454. Disponível em: https://revistas.unal.edu.co/index.php/dyna/article/view/67454. Acesso em: 25 mar. 2026.

Chicago

Neme Felippe, Waldir, Flávio Barbosa, Carlos Magluta, Ney Roitman, y Flávia Borges. 2019. «Numerical comparisons of sandwich viscoelastic beam models». DYNA 86 (208):28-36. https://doi.org/10.15446/dyna.v86n208.67454.

Harvard

Neme Felippe, W., Barbosa, F., Magluta, C., Roitman, N. y Borges, F. (2019) «Numerical comparisons of sandwich viscoelastic beam models», DYNA, 86(208), pp. 28–36. doi: 10.15446/dyna.v86n208.67454.

MLA

Neme Felippe, W., F. Barbosa, C. Magluta, N. Roitman, y F. Borges. «Numerical comparisons of sandwich viscoelastic beam models». DYNA, vol. 86, n.º 208, enero de 2019, pp. 28-36, doi:10.15446/dyna.v86n208.67454.

Turabian

Neme Felippe, Waldir, Flávio Barbosa, Carlos Magluta, Ney Roitman, y Flávia Borges. «Numerical comparisons of sandwich viscoelastic beam models». DYNA 86, no. 208 (enero 1, 2019): 28–36. Accedido marzo 25, 2026. https://revistas.unal.edu.co/index.php/dyna/article/view/67454.

Vancouver

1.
Neme Felippe W, Barbosa F, Magluta C, Roitman N, Borges F. Numerical comparisons of sandwich viscoelastic beam models. DYNA [Internet]. 1 de enero de 2019 [citado 25 de marzo de 2026];86(208):28-36. Disponible en: https://revistas.unal.edu.co/index.php/dyna/article/view/67454

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