Impact Response and Failure Mode for Single-Layer Geodesic Spherical Domes under Impact Load

Abstract:

Based on the ANSYS/LS-DYNA software, the analysis for the 40m span geodesic spherical domes under impact load is carried out. By changing the mass of impact object, impact velocity and impact location, the parametric analyses on the dynamic response of the structures under the impact loading are carried out. The three failure modes of the spherical domes are summed up: local dent of structure and global collapse of structure, Punch failure of structure. Then the characteristics of the dynamic response of the structure with different failure mode, such as the impact course, impact load, speed of nodes, displacement of nodes, and stress of bars, are investigated. It is further improvement of failure mode for single-layer reticulated dome under impact.

• Periodical: Applied Mechanics and Materials (Volumes 351-352)
• Pages: 80-84
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.351-352.80
• Online since: August 2013
• Authors: Duo Zhi Wang, Feng Fan, Xu Dong Zhi, Jun Wu Dai
• Keywords: Failure Mode, Geodesic Domes, Impact, Impact Response

References

[1] Wang Duozhi. Failure mechanism of reticulated shells under impact[D]. Harbin: Harbin institute of technology, 2010. (in Chinese).

[2] Tian Yonghong. Failure modes of geodesic and schwedler reticulated domes under impact loads [D]. Harbin: Harbin institute of technology, 2010. (in Chinese).