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The paper investigates the possibility of a simple analytical description of shock response spectra reproduced on benches allowing maximum acceleration pulses up to 2000 g in the frequency range from 102 to 104 Hz. To perform dynamic calculations of shock benches, it is necessary to use computational programs designed to solve problems of mechanics of deformable solid bodies. This paper undertakes an attempt to take into consideration the processes that most significantly affect the properties of the shock response spectrum. An important, but unaccounted here, is the impact of reflected waves from side edges. The work is devoted to finding a simple algorithm that ensures fast selection of the bench parameters with insignificant errors. The study is based on modeling the instrument table and bed as a stepped rod.

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Two-Stage Test Bench Model for Shock Spectrum Shaping

  • 会议论文

  • 发表日期：

    2026年

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  • Valerii A. Tereshin,
  • Alexander N. Evgrafov,
  • Vladimir I. Karazin,
  • Igor O. Khlebosolov

摘要

The paper investigates the possibility of a simple analytical description of shock response spectra reproduced on benches allowing maximum acceleration pulses up to 2000 g in the frequency range from 102 to 104 Hz. To perform dynamic calculations of shock benches, it is necessary to use computational programs designed to solve problems of mechanics of deformable solid bodies. This paper undertakes an attempt to take into consideration the processes that most significantly affect the properties of the shock response spectrum. An important, but unaccounted here, is the impact of reflected waves from side edges. The work is devoted to finding a simple algorithm that ensures fast selection of the bench parameters with insignificant errors. The study is based on modeling the instrument table and bed as a stepped rod.