Modeling and Damage/Failure Control of Spacecraft Pressurized Structures Subject to Orbital Debris Impact

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The hazard from orbital debris is a growing international concern for the safety and reliability of space-based infrastructure - even small particles can damage, degrade, or destroy spacecraft due to the very high velocities involved in a collision, on the average about 11 km/sec . The number of man-made objects in Earth orbit has increased steadily, and it has become a lot more crucial to get a handle on the subject over the past four years because of the series of incidents happened in 2007-2009. Today the Space Surveillance Network is tracking more than 19,000 objects approximately 10 centimeters in diameter or larger. It is estimated that there are over 300,000 untrackable objects with a diameter larger than one centimeter, and millions smaller [2].