Calculation of Sandwich Structures Under Dynamic Load Concentrated Load

Kerimov, R. M.; Muselemov, Kh. M.; Ustarkhanov, O. M.

doi:10.21822/2073-6185-2015-38-3-110-118

Vestn. Dagest. gos. teh. univ., Teh. nauki

2015

DOI: 10.21822/2073-6185-2015-38-3-110-118

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Calculation of Sandwich Structures Under Dynamic Load Concentrated Load

R. M. Kerimov¹,

Kh. M. Muselemov²,

O. M. Ustarkhanov³

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Cited by 2 publications

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Estimation of the Resistance of a Three-Layered Structure With a Pyramid Discontinuous Filler to Dynamic Stress Using the Finite Element Method

Ustarkhanov¹,

Muselemov²,

Abakarov³

et al. 2019

Vestn. Dagest. gos. teh. univ., Teh. nauki

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Objectives. In this research, we set out to explore the possibility of increasing the resistance of three-layered panels with a pyramid filler filled with fibrous material to dynamic loads. Although issues associated with dynamic impact, penetration of solid bodies and breaking of solid barriers have always been of interest, particularly in military affairs, they are increasingly attracting the attention of researchers investigating various industrial problems.Method. A calculation was performed using the finite element method (FEM), which is widely used in various areas including construction. The possibility of calculating the movement of a solid body in fibrous material using the FEM, namely using the LIRA-SAPR software, was considered.Results. From the constructed models, it can be seen how the striker moves inside the fibrous material. Therefore, using the SC LIRA-SAPR allows the work of the filler to be assessed while a solid body moves inside it. The results of the calculation of striker movement in fibrous material depending on the speed of the body (striker) and the density of the filler (fibre) are shown in figures.Conclusion. The conducted numerical studies showed that a discrepancy between the calculation results for a three-layered structure under dynamic loads using the FEM and analytical dependencies was about 10%.

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Estimation of the Resistance of a Three-Layered Structure With a Pyramid Discontinuous Filler to Dynamic Stress Using the Finite Element Method

Ustarkhanov¹,

Muselemov²,

Abakarov³

et al. 2019

Vestn. Dagest. gos. teh. univ., Teh. nauki

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Point Dynamic Loads on a Sandwich Structure

2021

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Calculation of Sandwich Structures Under Dynamic Load Concentrated Load

Cited by 2 publications

References 0 publications

Estimation of the Resistance of a Three-Layered Structure With a Pyramid Discontinuous Filler to Dynamic Stress Using the Finite Element Method

Estimation of the Resistance of a Three-Layered Structure With a Pyramid Discontinuous Filler to Dynamic Stress Using the Finite Element Method

Point Dynamic Loads on a Sandwich Structure

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