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Structures Penetration Dynamics

Structures Penetration Dynamics. Ashley Lantz. Presentation Outline. Penetration Loading Nose Shape and Material Penetration Angle Penetrator Dynamics Penetrator Model Future Work Schedule. Regolith Resistance to Penetrate. Assumed to have C D equivalent to “Sand”

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Structures Penetration Dynamics

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  1. Structures Penetration Dynamics Ashley Lantz

  2. Presentation Outline • Penetration Loading • Nose Shape and Material • Penetration Angle • Penetrator Dynamics • Penetrator Model • Future Work • Schedule Ashley Lantz

  3. Regolith Resistance to Penetrate • Assumed to have CD equivalent to “Sand” • F is also a function of the Nose Shape and the Mass Ashley Lantz

  4. Loaded Nose Cones Ashley Lantz

  5. Deformation based on Nose Shape and Material Tungsten Ti Alloy Steel Al 6061 Al 2014 Tungsten Ti Alloy Steel Al 6061 Al 2014 Ashley Lantz

  6. VonMises Stress based on Nose Shape and Material Tungsten Ti Alloy Steel Al 6061 Al 2014 Ashley Lantz

  7. Penetration Angle Ashley Lantz

  8. Penetration Angle Ashley Lantz

  9. Dependence on Angle Ashley Lantz

  10. Penetration Dynamics Ashley Lantz

  11. Tate & Alekseevskii Penetrator Model • V’lim is the Velocity required to penetrate the target • As long as the second condition is valid the penetrator will deform • The ‘Dynamic Material Strength’ needs to found for both the Penetrator and the Target Ashley Lantz

  12. Typical Deformation Ashley Lantz

  13. Future Work • Further Modelling of the Impact • Stress/Shock Wave Prediction • Dynamic Buckling Loads • Material Selection • Prototyping Ashley Lantz

  14. Schedule Ashley Lantz

  15. Questions?

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