## Optimum design of prismatic bars subjected to longitudinal impact |

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### Contents

Theory Governing Wave Motion in Bars | 5 |

Wave Motion Analysis by Computer Techniques | 8 |

Design Problem | 23 |

3 other sections not shown

### Common terms and phrases

approximately area of segment ASME bar configurations Bar Figure bar segments CALCULATE computer analysis computer program Computer Results curve Cylindrical Bar design parameters design region design system designer's objectives determined diameter end bar entire end equations example expressed mathematically Figure 36 gun barrel impacting bars impedance inch independent parameters initial stress integer ratio interface stress length of Bar length of segment Longitudinal Impact magnitude material parameter number material properties mean square force Mech merit value Miklowitz modulus of elasticity NUMBER OF BAR number of segments objective function optimization procedure output phase velocity PRINT prismatic bars problem Proc psi Area Ratios pulse segment areas segment lengths shown in Figure side constraints simultaneous contact starting point step input straight bar strain gage stress history stress wave striker and struck striker bar struck bar tensile wave termination of impact theory true system optimum variables velocity wave Venant wave propagation waveform Young's modulus zero