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GB/T 44776-2024: General requirements of simulation analysis for space environments and their effects on spacecraft
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GB/T 44776-2024: General requirements of simulation analysis for space environments and their effects on spacecraft

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ICS 49.020 CCSV06 National Standard of the People's Republic of China Spacecraft space environment and its effects General requirements for simulation analysis Released on October 26, 2024 Implementation on October 26, 2024 State Administration for Market Regulation The National Standardization Administration issued

Table of Contents

Preface III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Abbreviations 3 5 General process of simulation analysis of space environment and its effects 4 6 Task Analysis Requirements 6 7 Requirements for analysis of spatial environment and its effect factors 6 8 Requirements for analysis of space environment and its effect parameters 8 8.1 Vacuum and Outgassing Effect Parameter Analysis 8 8.2 Analysis of temperature environment and its effect parameters 9 8.3 Analysis of atmospheric environment and its effect parameters 9 8.4 Analysis of Space Radiation Environment and Its Effect Parameters 9 8.5 Analysis of Solar Electromagnetic Radiation Environment and Its Effect Parameters 10 8.6 Analysis of Plasma Environment and Its Effect Parameters 10 8.7 Analysis of Space Magnetic Field Environment and Its Effect Parameters 10 8.8 Analysis of Space Debris and Micrometeoroid Environment and Its Effect Parameters 10 8.9 Analysis of dust and dust storm environment and its effect parameters 10 9 Solar Activity Analysis Requirements 11 9.1 Analysis of Medium- and Long-Term Solar Activity 11 9.2 Analysis of Short-Term Solar Eruptive Activity 11 10 Requirements for planetary magnetic field impact analysis 11 11 Track Analysis and Modeling Requirements11 11.1 Orbital Analysis 11 11.2 Track Modeling 11 12 Spacecraft Structural Analysis and Modeling Requirements 11 12.1 Spacecraft Structural Analysis 11 12.2 Spacecraft Structural Modeling 12 13 Space Environment Simulation Analysis 12 13.1 General requirements 12 13.2 Spatial Environment Model 12 13.3 Principles for selecting spatial environment models 14 14 Requirements for simulation analysis of space environment and its effects 15 14.1 General requirements 15 14.2 Simulation Analysis of Vacuum Outgassing Effect 15 14.3 Simulation Analysis of Spacecraft Thermal Environment Effects 16 14.4 Simulation Analysis of Atmospheric Environmental Effects 16 14.5 Single Event Effect Simulation Analysis 17 14.6 Simulation Analysis of Total Ionization Dose Effect 18 14.7 Simulation Analysis of Displacement Damage Effects 19 14.8 Simulation Analysis of Solar Electromagnetic Radiation Effects 19 14.9 Simulation Analysis of Surface Charge and Discharge Effects 19 14.10 Simulation Analysis of Deep Charging/Internal Charging Effects 20 14.11 Simulation Analysis of Space Magnetic Field Effects 20 14.12 Simulation Analysis of Space Debris and Meteoroid Impact Effects 21 14.13 Simulation Analysis of Dust and Dust Storm Effects 22 15 Result output requirements 22 15.1 Track Display 22 15.2 Data Output 22 15.3 Image and Video Output 22 Appendix A (Normative) Geomagnetic Cutoff Stiffness 24 Appendix B (Normative) IGRF Model 26 Appendix C (Informative) Commonly used space environment effect analysis software and codes 28 Appendix D (Informative) Brief Introduction to the Main Space Environment Models 32 Appendix E (Informative) Fick Diffusion Theory of Molecular Outgassing Pollution 37 Appendix F (Normative) Molecular Contamination Transmission Angle Coefficient Method 39 Appendix G (Informative) Molecular Contamination Adhesion Coefficient Model 40 Appendix H (Normative) Neutral Atmosphere Drag on Spacecraft 42 Appendix I (Informative) Key Parameters of Neutral Atmosphere Physical Sputtering 43 Appendix J (Normative) Single Event Effects Prediction Method 44 Appendix K (Normative) Shielding Simulation Analysis Method 47 Appendix L (Informative) Radiation Dose Analysis Method 51 Appendix M (Informative) Displacement Damage Effect Analysis Method 53 Appendix N (Normative) Calculation Method of Insolation Factor and Light Geometric Factor 56 Appendix O (Informative) General Process for Simulation Analysis of Surface Charge and Discharge Effects 58 Appendix P (Informative) Spacecraft Surface Charging Mechanism 59 Appendix Q (Informative) General Process for Simulation Analysis of Deep Charging/Internal Charging Effects 61 Appendix R (Informative) Spacecraft Internal Charging Mechanism 62 Appendix S (Normative) Calculation of Spacecraft Magnetic Interference Torque 66 Appendix T (Informative) Commonly Used Ballistic Limit Equations 67 Appendix U (Normative) PNI and PNP Calculation Methods 71 Appendix V (Informative) Prediction Model of Optical Performance Degradation Caused by Accumulative Impact Damage 73 Appendix W (Informative) Lunar Dust Shielding Effect Model 75 Reference 77 Preface This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents" Drafting. Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document was proposed by the Chinese Academy of Sciences. This document is under the jurisdiction of the National Technical Committee for Standardization of Aerospace Technology and Its Applications (SAC/TC425). This document was drafted by. Beijing Satellite Environmental Engineering Research Institute, Shenzhen Star Earth Twin Technology Co., Ltd., Harbin Institute of Technology, China Academy of Sciences National Space Science Center, Beijing Spacecraft General Design Department, Xiangtan University, Nanjing University of Aeronautics and Astronautics, China Space Technology Research Institute Institute of Physics and Chemistry, Chinese Academy of Sciences, Xinjiang Institute of Physics and Chemistry, Xi'an Jiaotong University, Beijing Weidong Space-Time Technology Co., Ltd., Zhongke Xingtu Measurement and Control Technology Co., Ltd. Co., Ltd., Xi'an Longfei Electric Technology Co., Ltd., Space Application Engineering and Technology Center of the Chinese Academy of Sciences, Digital Space (Beijing) Technology Joint-stock company, Harbin Institute of Technology Satellite Technology Co., Ltd. The main drafters of this document are. Shen Zicai, Ji Qizheng, Ouyang Xiaoping, Li Xingji, Cai Minghui, Wang Shijin, Tang Xiaobin, Xiang Yanchao, Qu Shaojie, Qiu Zhenyu, Hu Yanqi, Mei Bo, Li Yudong, Fang Meihua, Chen Yu, Cao Yan, Chen Jingang, Chen Yupeng, Luo Dan, Zhang Xin, Li Changhong, Wang Xinyue, Yang Jianqun, Jiao Zilong, Mao Xin, Guo Qi, Tang Xiaojun, Zhang Yuanyuan, Liu Yenan, Ding Yigang, Ma Xin, Dai Wei, Wang Hanfeng, Ren Siyuan, Chen Jian, Sun Wei, and Liu Wei. Spacecraft space environment and its effects General requirements for simulation analysis 1 Scope This document specifies the general requirements for spacecraft space environment and its effects simulation analysis, including the space environment and its effects simulation analysis General process, mission analysis, space environment and its effect factor analysis, space environment and its effect parameter analysis, solar activity analysis, planetary magnetism Field impact analysis, orbit analysis and modeling, spacecraft structure analysis and modeling, space environment simulation analysis, space environment and its effects simulation analysis analysis, simulation analysis result output and other requirements. This document applies to spacecraft and its materials, components, assemblies, etc. in vacuum, charged particles, ultraviolet radiation, neutral atmosphere (including atomic oxygen), Plasma, pollution, micrometeoroids and space debris, dust and dust storms and other environments and their single particle effects, total ionization dose effects, displacement damage effects Effects of surface charge and discharge, deep charge/internal charge, atomic oxygen erosion, micrometeoroid and space debris impact, and contamination It is also applicable to the design and development of simulation analysis software and codes for spacecraft space environment and its effects, as well as the space environment of organisms. It is used as a reference for analysis of the space environment and its effects. 2 Normative references The contents of the following documents constitute the essential clauses of this document through normative references in this document. For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document. GB/T 29079 Spacecraft orbit classification and common parameter symbols GB/T 30114.2 Terminology of Space Science and Its Applications Part 2.Space Physics GB/T 32452 Spacecraft Space Environment Terminology GB/T 37834 Galactic cosmic ray model GB/T 41214 Prediction methods for geomagnetic activity in space environments (natural and artificial) GB/T 41457 Space environment - Geosynchronous orbit solar proton flux and its statistical model confidence level selection guide GB/T 41458 Space environment. Plasma environment that produces the worst potential difference on the surface of a spacecraft GB/T 41459 Space environment - Total solar irradiance GB/T 42214 Space environment low altitude (300km~600km) high energy radiation model GB/T 42242 Assessment of radiation effects of commercial off-the-shelf (COTS) components used in low-orbit satellites in the space environment GB /Z 42244 Procedure for obtaining worst-case scenarios and confidence levels for the Earth's radiation belt flux using a quasi-dynamic model of the space environment GB/T 42846 Ground simulation method for space radiation effects of non-metallic materials in space environment GB/T 44001 Space environment geomagnetic field reference model GB /Z 44002 Method for determining proton flux and peak flux of solar energy in space environment GB/T 44181 Method for predicting the single event upset rate of aerospace semiconductor devices in space environment 3 Terms and Definitions The terms and definitions defined in GB/T 29079, GB/T 30114.2 and GB/T 32452 and the following terms and definitions apply to this document. ...