Novel high-fidelity realistic explosion damage simulation for urban environments

Xiaoqing Liu; Jacob Yadegar; Youding Zhu; Chaitanya Raju; Jaya Bhagavathula

doi:10.1117/12.851937

30 April 2010 Novel high-fidelity realistic explosion damage simulation for urban environments

Xiaoqing Liu, Jacob Yadegar, Youding Zhu, Chaitanya Raju, Jaya Bhagavathula

Proceedings Volume 7705, Modeling and Simulation for Defense Systems and Applications V; 770504 (2010) https://doi.org/10.1117/12.851937
Event: SPIE Defense, Security, and Sensing, 2010, Orlando, Florida, United States

Abstract

Realistic building damage simulation has a significant impact in modern modeling and simulation systems especially in diverse panoply of military and civil applications where these simulation systems are widely used for personnel training, critical mission planning, disaster management, etc. Realistic building damage simulation should incorporate accurate physics-based explosion models, rubble generation, rubble flyout, and interactions between flying rubble and their surrounding entities. However, none of the existing building damage simulation systems sufficiently faithfully realize the criteria of realism required for effective military applications. In this paper, we present a novel physics-based high-fidelity and runtime efficient explosion simulation system to realistically simulate destruction to buildings. In the proposed system, a family of novel blast models is applied to accurately and realistically simulate explosions based on static and/or dynamic detonation conditions. The system also takes account of rubble pile formation and applies a generic and scalable multi-component based object representation to describe scene entities and highly scalable agent-subsumption architecture and scheduler to schedule clusters of sequential and parallel events. The proposed system utilizes a highly efficient and scalable tetrahedral decomposition approach to realistically simulate rubble formation. Experimental results demonstrate that the proposed system has the capability to realistically simulate rubble generation, rubble flyout and their primary and secondary impacts on surrounding objects including buildings, constructions, vehicles and pedestrians in clusters of sequential and parallel damage events.

Citation Download Citation

Xiaoqing Liu, Jacob Yadegar, Youding Zhu, Chaitanya Raju, and Jaya Bhagavathula "Novel high-fidelity realistic explosion damage simulation for urban environments", Proc. SPIE 7705, Modeling and Simulation for Defense Systems and Applications V, 770504 (30 April 2010); https://doi.org/10.1117/12.851937

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KEYWORDS

Spherical lenses

3D modeling

Explosives

Motion models

Systems modeling

Reflectivity

Electromagnetic simulation

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