Computer Science – Numerical Analysis
Scientific paper
Oct 1979
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979esasp.153..115w&link_type=abstract
In ESA Comet Halley Micrometeoroid Hazard Workshop p 115-120 (SEE N80-22200 12-91)
Computer Science
Numerical Analysis
Elastoplasticity, Finite Difference Theory, Hydroelasticity, Hypervelocity Impact, Meteoroid Hazards, Spacecraft Shielding, Impact Resistance, Micrometeoroids, Numerical Analysis, Penetration, Perforating, Terminal Ballistics
Scientific paper
Current capabilities as well as limitations of these finite difference codes techniques, particularly as related to design of particle impact shields, are discussed. Code capabilities were confirmed experimentally by observations of impacts in the 4-10 km/sec velocity regime. It is suggested that code analyses could be an important design aid for the Halley probe shield, particularly since the impact velocity of 57 km/sec is substantially above the 10 km/sec limitation of laboratory techniques. Different shield materials, thicknesses, and spacings can be evaluated over the range of expected particle impact conditions. When available, correlations with related experimental results to check the numerical techniques are recommended.
Kreyenhagen K. N.
Wagner M. H.
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