AIAA G 083 : 1999

1 Introduction
2 The Space Radiation Environment
3 Basic Concepts
4 The Trapped Radiation Environment
5 Overview
6 Geomagnetic Field
7 Magnetic And Electric Field Effects
8 Basic Particle Motion
9 Invariants Of The Particle Motion
10 Ae8 And Ap8 Models
11 Problems With Ae And Ap
12 Solar Cycle Effects, Storms, Substorms
13 Examples: Loss Cone And Field-Aligned Distributions
14 Coverage Limitations
15 Ae8/Ap8 - The Design Issues
16 Current Radiation Modeling Efforts
17 Crres Models
18 Magnetospheric Heavy Ions
19 Shielding Design Codes And Optimization
20 Radiation Effects On Advanced Parts
21 Shielding Effects And Interactions With Matter
22 Single Particle Interactions
23 Photon Interactions
24 Charged Particle Interactions
25 Modeling The Effects Of Shielding
26 Radiation Environment Estimates
27 Ae8/Ap8 - Radiation Dosage Results
28 Recommendations
29 Conclusion
30 Tables
31 Figures
32 References

Covers the status of efforts for developing better, more comprehensive tools for modeling and forecasting the Earth's trapped radiation environment and its effects on space systems. Reviews the key concepts connected with modeling the radiation environment and its effects and includes a description of the principle models at present available. Gives a long-range plan for enhancement of capabilities in this important environmental area.