NDLI: Seismic damage simulation in urban areas based on a high-fidelity structural model and a physics engine

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Seismic damage simulation in urban areas based on a high-fidelity structural model and a physics engine

Content Provider	Semantic Scholar
Author	Xu, Zhen Lu, Xinzheng Guan, H. Ren, Aizhu
Copyright Year	2013
Abstract	Effective seismic damage simulation is an important task in improving earthquake resistance and safety of dense urban areas. There exist two significant technical challenges for realizing such a simulation: accurate prediction and realistic display. A high-fidelity structural model is proposed herein to accurately predict the seismic damage that was inflicted on a large number of buildings in an urban area via time-history analysis, with which the local damage to different building stories is also explicitly obtained. The accuracy and efficiency of the proposed model are validated by a refined finite element analysis of a typical building. A physics engine-based algorithm is also proposed that realistically displays building collapse, thus overcoming the limitations of the high-fidelity structural model. Furthermore, a visualization system integrating the proposed model and collapse simulation is developed so as to completely display the seismic damage in detail. Finally, the simulated seismic damage of a real medium-sized Chinese city is evaluated to demonstrate the advantages of the proposed techniques, which can provide critically important reference information for urban disaster prevention and mitigation.
Starting Page	1679
Ending Page	1693
Page Count	15
File Format	PDF HTM / HTML
DOI	10.1007/s11069-013-0972-8
Volume Number	71
Alternate Webpage(s)	https://research-repository.griffith.edu.au/bitstream/handle/10072/57053/91911_1.pdf;jsessionid=AD3607705FD00EE35D43D848AD75425F?sequence=1
Alternate Webpage(s)	https://doi.org/10.1007/s11069-013-0972-8
Journal	Natural Hazards
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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