The analysis of a column of the Tomb 7 colonnade at the Tombs of the Kings archeological site : A comparative evaluation of scan-to-FEM methodologies

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Turchetti, Francesca and Oreni, Daniela and Votsis, Renos and Kyriakides, Nicholas and Cuca, Branka and Agapiou, Athos (2026) The analysis of a column of the Tomb 7 colonnade at the Tombs of the Kings archeological site : A comparative evaluation of scan-to-FEM methodologies. Heritage, 9 (3). 100. ISSN 2571-9408 (https://doi.org/10.3390/heritage9030100)

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Abstract

This research investigates the colonnade of Tomb 7 at the UNESCO World Heritage site of the Tombs of the Kings in Paphos, Cyprus. Specifically, a multi-drum column located at the south-east corner of the tomb is examined from both geometric and structural perspectives. Being the only standing element to support the entablature on that side of the tomb, the column is crucial for maintaining the structural stability of the monument. Numerical structural analyses are performed on the column via the finite element method (FEM), supported by close-range recording techniques—particularly terrestrial laser scanning (TLS)—to generate finite element (FE) models. Several modelling strategies capable of converting point cloud data into reliable structural models are developed and compared with the aim of identifying the most effective and cost-efficient approach. Each method is analyzed in detail to evaluate its workflow, assumptions, strengths, and limitations in the context of heritage structures with complex irregular geometries. Linear static and dynamic analyses are performed on five different FE models to assess the column’s mechanical response and to understand how differences in geometric representation affect the structural behaviour. The results indicate that all approaches adequately capture the general structural response. The comparison of the different modelling strategies highlights the trade-offs between geometric accuracy, computational efficiency, and practical usability. These outcomes indicate the potential and the current limitations of exploiting point cloud data for structural analysis and contribute to the development of more robust and accurate scan-to-FEM methodologies for the conservation and assessment of cultural heritage structures.

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