Progress in assessing hazards of asteroid impact on earth

DANG Leining; BAI Zhiyong; SHI Yilei; HUANG Jie

doi:10.6052/1000-0992-23-047

Volume 54 Issue 3

Sep. 2024

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Dang L N, Bai Z Y, Shi Y L, Huang J. Progress in assessing hazards of asteroid impact on earth. Advances in Mechanics, 2024, 54(3): 563-605 doi: 10.6052/1000-0992-23-047

Citation:

Dang L N, Bai Z Y, Shi Y L, Huang J. Progress in assessing hazards of asteroid impact on earth. Advances in Mechanics, 2024, 54(3): 563-605 doi: 10.6052/1000-0992-23-047

Dang L N, Bai Z Y, Shi Y L, Huang J. Progress in assessing hazards of asteroid impact on earth. Advances in Mechanics, 2024, 54(3): 563-605 doi: 10.6052/1000-0992-23-047

Citation:

Dang L N, Bai Z Y, Shi Y L, Huang J. Progress in assessing hazards of asteroid impact on earth. Advances in Mechanics, 2024, 54(3): 563-605 doi: 10.6052/1000-0992-23-047

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Progress in assessing hazards of asteroid impact on earth

doi: 10.6052/1000-0992-23-047 cstr: 32046.14.1000-0992-23-047

Institute of Hypervelocity Aerodynamics, China Aerodynamics Research and Development Center, Mianyang 621000, China
National Key Laboratory of Aerospace Physics in Fluids, Mianyang 621000, China

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Corresponding author: huangjie012345@163.com
Received Date: 2023-11-09
Accepted Date: 2024-05-01

Available Online: 2024-05-10

Publish Date: 2024-09-25

Abstract

Abstract

Asteroid impact on earth poses a potential threat to humanity. Over the past 20 years, planetary defense has become a hot research area internationally, and it is also a crucial security requirement for our country. Assessing the hazards of asteroid impact on earth is a significant research topic within planetary defense. It is noted that asteroid impacts on earth exhibit characteristics of low probability, high hazard and randomness. These hazards include overpressure, thermal radiation, earthquake, tsunami, and global effects. Hazard assessment is applied in three scenarios: defense decision-making, defense implementation, and ground civil defense. The input and output of hazard assessment, the progress of numerical simulation and engineering computation in hazard assessment in terms of model, method and software, as well as the research status of the five types of hazards, are summarized. Furthermore the advancement of hypervelocity issues of earth impact by asteroid is presented. Finally, the current research limitations are identified, and prospects for future work are provided.
- asteroid,
- impact on earth,
- hazard assessment,
- model and method

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References(129)

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