Blast Load Model Generating Multiple Impulse Curves for Different Scaled Distances

This study proposes a blast load model that generates multiple impulse curves with appropriate shapes depending on the scaled distance and, thus, precisely calculates the blast load distribution over the structure surface. The suitability of the proposed model is examined by using the finite element...

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Published in:Combustion, explosion, and shock waves explosion, and shock waves, 2018-11, Vol.54 (6), p.737-746
Main Authors: Jang, B. S., Lee, S. H., Lee, Y.
Format: Article
Language:English
Subjects:
Blast loads
Classical and Continuum Physics
Classical Mechanics
Computer simulation
Control
Deflection
Dynamical Systems
Engineering
Finite element method
Load distribution (forces)
Mathematical models
Physical Chemistry
Physics
Physics and Astronomy
Steel plates
Stress concentration
Vibration
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container_title Combustion, explosion, and shock waves
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creator Jang, B. S.
Lee, S. H.
Lee, Y.
description This study proposes a blast load model that generates multiple impulse curves with appropriate shapes depending on the scaled distance and, thus, precisely calculates the blast load distribution over the structure surface. The suitability of the proposed model is examined by using the finite element simulation of a blast test with steel plates and comparing the predicted deflections with the measurements. The results reveal that the proposed model accurately calculates the blast load distribution over the structure surface. The predicted deflection profiles of the steel plates are closer to the measured deflection profiles when the proposed model is employed, as compared to the existing models, which produce only a single impulse curve.
doi_str_mv 10.1134/S001050821806014X
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subjects Blast loads
Classical and Continuum Physics
Classical Mechanics
Computer simulation
Control
Deflection
Dynamical Systems
Engineering
Finite element method
Load distribution (forces)
Mathematical models
Physical Chemistry
Physics
Physics and Astronomy
Steel plates
Stress concentration
Vibration
title Blast Load Model Generating Multiple Impulse Curves for Different Scaled Distances
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