TY - JOUR
T1 - Numerical modelling-based damage diagnostics in cultural heritage structures
AU - D'Altri, A. M.
AU - de Miranda, S.
AU - Castellazzi, G.
AU - Glisic, B.
N1 - Funding Information:
[Formula presented] This project has received funding from the European Union's Horizon 2020 research and innovation programme under the Marie Sklodowska-Curie grant agreement No 101029792 (HOLAHERIS project, "A holistic structural analysis method for cultural heritage structures conservation"). The authors would also like to thank Rebecca Napolitano, Anna Blyth, Denis Blyth, and Save the Light, Inc. for sharing data and metadata on the lighthouse. Finally, Nicolò Lo Presti is gratefully acknowledged for providing technical support on the Cloud2FEM software.
Funding Information:
This project has received funding from the European Union's Horizon 2020 research and innovation programme under the Marie Sklodowska-Curie grant agreement No 101029792 (HOLAHERIS project, "A holistic structural analysis method for cultural heritage structures conservation"). The authors would also like to thank Rebecca Napolitano, Anna Blyth, Denis Blyth, and Save the Light, Inc. for sharing data and metadata on the lighthouse. Finally, Nicolò Lo Presti is gratefully acknowledged for providing technical support on the Cloud2FEM software.
Publisher Copyright:
© 2023 Consiglio Nazionale delle Ricerche (CNR)
PY - 2023/5/1
Y1 - 2023/5/1
N2 - In this paper, a numerical modelling-based damage diagnostics methodology is proposed for cultural heritage structures (CHSs) made of masonry. Firstly, an integration of 3D documentation data (i.e. point clouds and virtual tours) is developed for the rapid numerical model generation of CHSs. This allows to directly exploit non-comprehensive point clouds (e.g., associated to outer surfaces only) for the solid finite element model generation, where the lacking information is merged with off-site interactive and immersive frameworks. Secondly, a number of nonlinear static and dynamic analyses are conducted on the generated solid model to account for various load scenarios (e.g., earthquakes, soil settlements, etc.), considering a nonlinear continuum constitutive law. Thirdly, a crack pattern matching indicator is introduced to quantitatively identify the most likely load scenario which originated the damage pattern present in the CHS, by comparing numerical and actual crack patterns. The proposed methodology allows to rapidly generate and extract the numerical model that reflects the current (damaged) state of the CHS. This also allows to identify the parts of the CHS susceptible to further damage. The effectiveness of the proposed methodology is promisingly assessed on an actual historical masonry structure, the Morris Island lighthouse in South Carolina (USA).
AB - In this paper, a numerical modelling-based damage diagnostics methodology is proposed for cultural heritage structures (CHSs) made of masonry. Firstly, an integration of 3D documentation data (i.e. point clouds and virtual tours) is developed for the rapid numerical model generation of CHSs. This allows to directly exploit non-comprehensive point clouds (e.g., associated to outer surfaces only) for the solid finite element model generation, where the lacking information is merged with off-site interactive and immersive frameworks. Secondly, a number of nonlinear static and dynamic analyses are conducted on the generated solid model to account for various load scenarios (e.g., earthquakes, soil settlements, etc.), considering a nonlinear continuum constitutive law. Thirdly, a crack pattern matching indicator is introduced to quantitatively identify the most likely load scenario which originated the damage pattern present in the CHS, by comparing numerical and actual crack patterns. The proposed methodology allows to rapidly generate and extract the numerical model that reflects the current (damaged) state of the CHS. This also allows to identify the parts of the CHS susceptible to further damage. The effectiveness of the proposed methodology is promisingly assessed on an actual historical masonry structure, the Morris Island lighthouse in South Carolina (USA).
KW - Damage scenario
KW - Historical masonry structure
KW - Masonry cracking
KW - Mesh generation
KW - Point cloud-to-numerical model
KW - Virtual tour
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U2 - 10.1016/j.culher.2023.02.004
DO - 10.1016/j.culher.2023.02.004
M3 - Article
AN - SCOPUS:85149225447
SN - 1296-2074
VL - 61
SP - 1
EP - 12
JO - Journal of Cultural Heritage
JF - Journal of Cultural Heritage
ER -