期刊
STUDIES IN CONSERVATION
卷 68, 期 8, 页码 761-772出版社
ROUTLEDGE JOURNALS, TAYLOR & FRANCIS LTD
DOI: 10.1080/00393630.2022.2156223
关键词
Terracotta Warriors; structural mechanical analysis; finite element method; 3D laser scanning; Hypermesh
This paper presents the structural mechanical analysis of the Terracotta Warriors using 3D laser scanning technology and finite element methodology. The workflow includes steps such as point cloud capture, reverse modeling, mesh generation, and analysis, utilizing different software. By analyzing sculpture cases at different angles, it is found that apart from the ankle, the thigh and hip joints are also affected adversely under gravity. Rotating the sculpture at an appropriate angle can help reduce the stress on the structure.
In this paper, the structural mechanical analysis of the Terracotta Warriors, using 3D laser scanning technology and finite element methodology (FEM) is presented. The workflow of the case study mainly includes three steps along with the application of different software. The first step is to capture the point cloud using a 3D laser scanner and the reversed modeling using Geomagic Studio. Next, the model is imported into Hypermesh to accomplish mesh generation. Finally, the meshed model is imported into ABAQUS for analysis. The workflow constitutes an innovation for introducing a mesh generation method that is commonly used in biomechanics by Hypermesh, software that offers benefits such as functional and simple operation. In the analysis, cases such as sculpture at different incline angles to the ground and some particular conditions are included. The results indicate that apart from the ankle, the thigh and hip joints also remain in an adverse position under gravity. Given that the ground for storage and exhibition is not ideally flat, the stress on the whole structure can be reduced by rotating the sculpture at an appropriate angle.
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