Inverse Problem Of Pyroshock Simulation Apparatus

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Adl, Morteza | 2016

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Type of Document: M.Sc. Thesis
Language: Farsi
Document No: 48464 (08)
University: Sharif University of Technology
Department: Mechanical Engineering
Advisor(s): Saadat Foumani, Mahmood
Abstract:
One of the important experiments on satellites and their components is testing of their resistance to shock wave known to pyroshock. Pyroshock is transient response of a structure to a high frequency and high acceleration shock wave that is created by the action of a member of pyrotechnics in the satellite structure. This research is for design, construction and calibration of a pyroshock simulator apparatus which is done with specific requirements and aims. For this purpose, in first step an experimental test is done and validation of computer simulation is obtained by using results of test. By use of computer simulation tool, new design is presented. After constructing the apparatus and testing its performance, a software with graphical user interface is designed and presented for analyzing data.
by analyzing the apparatus results, it is observed that this type of pyroshock simulators are appropriate of simulation of shock waves in frequency range of 600 Hz to 2500 Hz and high frequencies is available only for small size and weight components. Finally For the convenience of using device, by using of neural network algorithm, a method is presented to predicting control parameters of device befor test
Keywords:
Pyroshock ; Design ; Inverse Problem ; Pyroshock Simulator ; Satellite Test

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