A NUMERICAL MODELING FOR UNDERWATER EXPLOSION USING MESH-LESS SMOOTH PARTICLE HYDRODYNAMICS METHOD

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KARIMI FEREZGHI B.; NADERI R.

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Journal: Advanced Defense Science and Technology Year:2017 | Volume:8 | Issue:2 Page(s): 161-169

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Title

A NUMERICAL MODELING FOR UNDERWATER EXPLOSION USING MESH-LESS SMOOTH PARTICLE HYDRODYNAMICS METHOD

Author(s)

KARIMI FEREZGHI B. | NADERI R. | Issue Writer Certificate

Keywords

EXPLOSIONQ2

NUMERICAL MODELINGQ2

MESH-LESS METHODQ2

SPHQ2

FORTRAN PROGRAMMINGQ2

UNDER WATER EXPLOSIONQ2

Abstract

An accurate and safer analysis for structure is possible if we can identify factors in the analysis more accurately.One of the important factors in the analysis is the identification the kind and intensity of structural loading. Among the types of loading, especially dynamic loads and impact loads resulting from the EXPLOSION, is far more complicated and difficult to determine. According to lab EXPLOSION modeling problems, using NUMERICAL MODELING to analyze these phenomena can be reasonable. Uses grid methods like Finite element method caused a numerical error due to intense deformation and high velocity of blast. In this paper, underwater EXPLOSION was modeled and programmed with numerical MESH-LESS METHOD, Smooth Particle Hydrodynamics (SPH), using FORTRAN PROGRAMMING language and EXPLOSION pressure and water level changes in the blast were studied. Finally the solving problem is compared with empirical relation. The results of this model are very similar to empirical relationship. This program can be used for underwater EXPLOSIONs modeling and the results can be used to determine pressures and impacts on marine structures.

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APA: Copy

KARIMI FEREZGHI, B., & NADERI, R.. (2017). A NUMERICAL MODELING FOR UNDERWATER EXPLOSION USING MESH-LESS SMOOTH PARTICLE HYDRODYNAMICS METHOD. (JOURNAL OF ADVANCED DEFENCE SCIENCE AND TECHNOLOGY) JOURNAL OF PASSIVE DEFENCE SCIENCE AND TECHNOLOGY, 8(2 ), 161-169. SID. https://sid.ir/paper/167532/en

Vancouver: Copy

KARIMI FEREZGHI B., NADERI R.. A NUMERICAL MODELING FOR UNDERWATER EXPLOSION USING MESH-LESS SMOOTH PARTICLE HYDRODYNAMICS METHOD. (JOURNAL OF ADVANCED DEFENCE SCIENCE AND TECHNOLOGY) JOURNAL OF PASSIVE DEFENCE SCIENCE AND TECHNOLOGY[Internet]. 2017;8(2 ):161-169. Available from: https://sid.ir/paper/167532/en

IEEE: Copy

B. KARIMI FEREZGHI, and R. NADERI, “A NUMERICAL MODELING FOR UNDERWATER EXPLOSION USING MESH-LESS SMOOTH PARTICLE HYDRODYNAMICS METHOD,” (JOURNAL OF ADVANCED DEFENCE SCIENCE AND TECHNOLOGY) JOURNAL OF PASSIVE DEFENCE SCIENCE AND TECHNOLOGY, vol. 8, no. 2 , pp. 161–169, 2017, [Online]. Available: https://sid.ir/paper/167532/en

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