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Temperature-dependent modal analysis of the InSight lander on Mars

文献类型：期刊论文

作者Zhang, Lei3,4,6; Gao, Fei1; Liu, Zai2; Cao, Peng5; Zhang, Jinhai3,4,6
刊名GEOPHYSICS
出版日期2023-03-01
卷号88期号:2页码:A1-A5
ISSN号0016-8033
DOI10.1190/GEO2022-0272.1
英文摘要The first high-performance seismometer on Mars, deployed by InSight, has been working for nearly two Martian years. However, the recorded seismic data are substantially affected by the natural frequencies of the lander. To analyze the effect of the natural frequencies of the lander on specific components of the seismic data, we have built a simplified finite-element model of the lander to conduct modal analyses. Three natural frequencies are modeled by comparing them with those identified from the observed data. These natural frequencies are nonconstant and temperature dependent, which can be explained as an elastic modulus reduction of the solar panels (35% at most) and/or the property changes of the ground media beneath the lander due to a Mars. Compared with the previous studies based on the empirical models before the launch, our results can quantitatively evaluate natural modes and their temperature dependency. Thus, these analyses are helpful in avoiding the potential interference of natural frequencies and improving the reliability of seismic data applications.
WOS关键词NOISE
资助项目National Natural Science Foundation of China[42204178] ; National Natural Science Foundation of China[41941002] ; China Postdoctoral Science Foundation[2021M703193] ; Key Research Program of the Chinese Academy of Sciences[ZDBS-SSWTLC001]
WOS研究方向Geochemistry & Geophysics
语种英语
WOS记录号WOS:000983282600001
出版者SOC EXPLORATION GEOPHYSICISTS - SEG
资助机构National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; Key Research Program of the Chinese Academy of Sciences ; Key Research Program of the Chinese Academy of Sciences ; Key Research Program of the Chinese Academy of Sciences ; Key Research Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; Key Research Program of the Chinese Academy of Sciences ; Key Research Program of the Chinese Academy of Sciences ; Key Research Program of the Chinese Academy of Sciences ; Key Research Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; Key Research Program of the Chinese Academy of Sciences ; Key Research Program of the Chinese Academy of Sciences ; Key Research Program of the Chinese Academy of Sciences ; Key Research Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; Key Research Program of the Chinese Academy of Sciences ; Key Research Program of the Chinese Academy of Sciences ; Key Research Program of the Chinese Academy of Sciences ; Key Research Program of the Chinese Academy of Sciences
源URL[http://ir.iggcas.ac.cn/handle/132A11/110920]  
专题地质与地球物理研究所_深部资源勘探装备研发
地质与地球物理研究所_中国科学院地球与行星物理重点实验室
通讯作者Cao, Peng; Zhang, Jinhai
作者单位1.AVIC Xinxiang Aviat Ind Grp Co Ltd, Xinxiang, Peoples R China
2.Acad Aerosp Solid Prop Technol, Xian, Peoples R China
3.Chinese Acad Sci, Innovat Acad Earth Sci, Beijing, Peoples R China
4.Chinese Acad Sci, Inst Geol & Geophys, Engn Lab Deep Resources Equipment & Technol, Beijing, Peoples R China
5.Beijing Univ Technol, Fac Architecture Civil & Transportat Engn, Beijing, Peoples R China
6.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Earth & Planetary Phys, Beijing, Peoples R China
推荐引用方式
GB/T 7714		 Zhang, Lei,Gao, Fei,Liu, Zai,et al. Temperature-dependent modal analysis of the InSight lander on Mars[J]. GEOPHYSICS,2023,88(2):A1-A5.
APA Zhang, Lei,Gao, Fei,Liu, Zai,Cao, Peng,&Zhang, Jinhai.(2023).Temperature-dependent modal analysis of the InSight lander on Mars.GEOPHYSICS,88(2),A1-A5.
MLA Zhang, Lei,et al."Temperature-dependent modal analysis of the InSight lander on Mars".GEOPHYSICS 88.2(2023):A1-A5.

入库方式： OAI收割

来源：地质与地球物理研究所

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