Numerical Simulation of Conical and Linear-Shaped Charges Using an Eulerian Elasto-Plastic Multi-Material Multi-Phase Flow Model with Detonation
Abstract
:1. Introduction
2. Governing Equations
3. Numerical Method
Ghost Fluid Method
Algorithm 1 The numerical procedure for the present hydrocode. |
|
4. Results and Discussion
4.1. One-Dimensional Shockwave Propagation in Elasto-Plastic Solid
4.2. Taylor Bar Impact Problem
4.3. Generation and Penetration of a High-Speed Metal Jet
4.4. Conical-Shaped Charge
4.5. Linear-Shaped Charge
5. Conclusions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
Appendix A. Governing Equations
Appendix A.1. Eulerian Elasto-Plastic Solid Model
Appendix A.2. Material Model
Appendix A.3. Radial Return Mapping Algorithm
Appendix A.4. Mie–Grüneisen EOS for Solids
Appendix A.5. Programmed Burn Model
Appendix B. Numerical Methods
Appendix B.1. Third-Order Runge–Kutta Scheme
Appendix B.2. Third-Order CENO Scheme
Appendix B.3. Fifth-Order WENO Scheme
Appendix B.4. Level-Set Method for Interface Tracking
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TNT | 1630 | 21 | 6930 | 371.2 | 3.210 | 4.15 | 0.95 | 0.30 | |
Composition B | 1717 | 29 | 7980 | 524.2 | 7.678 | 4.20 | 1.10 | 0.34 |
2.0 | 1.49 | 3940 | 8930 | 110,920 | 45 | 90 |
Elastic Precursor | Plastic Shock | |||
---|---|---|---|---|
Udaykumar et al. [25] | Present | Udaykumar et al. [25] | Present | |
Density () | 8938.9 | 8939.8 | 8973.5 | 8973.3 |
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Yeom, G.-S. Numerical Simulation of Conical and Linear-Shaped Charges Using an Eulerian Elasto-Plastic Multi-Material Multi-Phase Flow Model with Detonation. Materials 2022, 15, 1700. https://doi.org/10.3390/ma15051700
Yeom G-S. Numerical Simulation of Conical and Linear-Shaped Charges Using an Eulerian Elasto-Plastic Multi-Material Multi-Phase Flow Model with Detonation. Materials. 2022; 15(5):1700. https://doi.org/10.3390/ma15051700
Chicago/Turabian StyleYeom, Geum-Su. 2022. "Numerical Simulation of Conical and Linear-Shaped Charges Using an Eulerian Elasto-Plastic Multi-Material Multi-Phase Flow Model with Detonation" Materials 15, no. 5: 1700. https://doi.org/10.3390/ma15051700