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Peer-reviewedCC BYVibration

Non-Linear Dynamic Analysis of Timber Frame Structure with Bolted-Fastener Connections

  • Thomas Catterou
  • Yann Sousseau
  • Sidi Mohammed Elachachi
  • Myriam Chaplain
  • Carole Faye
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Abstract

Understanding the dynamics of timber structures is essential for the timber structural engineering field, where it is necessary to build predictive numerical models and digital twins. Three similar-sized representative post-beam bracing frames with wood–metal assemblies were tested. Experimental modal analysis gave some indication of the non-linear behaviour of the structure. Then, the frame was submitted to a logarithmic sine sweep, which highlighted some specificities of the non-linear modes: dependence on the sweep direction and amplitude, jump, etc. These phenomena can be explained by friction and shocks in the assemblies. An accurate model of these non-linearities could lead to resilient and more earthquake-resistant timber structures, as the equivalent damping of a non-linear structure is way lower than for a linear one.

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Cite

BibTeXRIS
BibTeX
@article{catterou2026nonlinear,
  title = {{Non-Linear Dynamic Analysis of Timber Frame Structure with Bolted-Fastener Connections}},
  author = {Thomas Catterou and Yann Sousseau and Sidi Mohammed Elachachi and Myriam Chaplain and Carole Faye},
  journal = {Vibration},
  year = {2026},
  month = sep,
  doi = {10.3390/vibration7040059},
  url = {https://hal.science/hal-05771522v1},
  note = {CC BY},
}
RIS
TY  - JOUR
TI  - Non-Linear Dynamic Analysis of Timber Frame Structure with Bolted-Fastener Connections
AU  - Thomas Catterou
AU  - Yann Sousseau
AU  - Sidi Mohammed Elachachi
AU  - Myriam Chaplain
AU  - Carole Faye
PY  - 2026
DA  - 2026/09/30
JO  - Vibration
DO  - 10.3390/vibration7040059
UR  - https://hal.science/hal-05771522v1
AB  - Understanding the dynamics of timber structures is essential for the timber structural engineering field, where it is necessary to build predictive numerical models and digital twins. Three similar-sized representative post-beam bracing frames with wood–metal assemblies were tested. Experimental modal analysis gave some indication of the non-linear behaviour of the structure. Then, the frame was submitted to a logarithmic sine sweep, which highlighted some specificities of the non-linear modes: dependence on the sweep direction and amplitude, jump, etc. These phenomena can be explained by friction and shocks in the assemblies. An accurate model of these non-linearities could lead to resilient and more earthquake-resistant timber structures, as the equivalent damping of a non-linear structure is way lower than for a linear one.
SN  - 2571-631X
ER  -