Time Domain Spectral Element method to Study Response of a Sandwich Beam with Compliant Core Subjected to Under Water Explosion

Sekhar, B Raja and Gopalakrishnan, S and Murthy, M V V S (2017) Time Domain Spectral Element method to Study Response of a Sandwich Beam with Compliant Core Subjected to Under Water Explosion. In: 11th International Symposium on Plasticity and Impact Mechanics (IMPLAST), DEC 11-14, 2016, Indian Inst Technol, New Delhi, INDIA, pp. 1515-1522.

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Abstract

A spectral element formulation is developed for a sandwich beam with stiff face sheets and a compliant core. Higher order displacement functions are taken for the core in order to incorporate the core compression effects. Highly efficient spectral element method is used for the study. Accuracy and the computational efficiency of this method are compared with the conventional finite element method in solving transient blast loading case. Using this spectral element method, under water blast loading response of a sandwich beam with composite face sheets and core is studied. A comparison is made between the response of stiff core and compliant core sandwich beam models. The study presents a design approach for an optimal configuration for under water blast resistant structures. (C) 2017 The Authors. Published by Elsevier Ltd.

Item Type:	Conference Proceedings
Series.:	Procedia Engineering
Additional Information:	11th International Symposium on Plasticity and Impact Mechanics (IMPLAST), Indian Inst Technol, New Delhi, INDIA, DEC 11-14, 2016
Department/Centre:	Division of Mechanical Sciences > Aerospace Engineering(Formerly Aeronautical Engineering)
Date Deposited:	10 Jun 2017 04:41
Last Modified:	10 Jun 2017 04:41
URI:	http://eprints.iisc.ac.in/id/eprint/57193

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