Both sandwich structures showed a 30% reduction in the maximum panel deflection compared with a monolithic plate of identical mass per unit area. The failure modes consisted of core crushing, core node imprinting/punch through/tearing and stretching of the front face sheet for the pyramidal truss core panels.
A constitutive model and data for metals subjected to Performance and failure of metal sandwich plates subjected to shock loading by Ashkan Vaziri, Zhenyu Xue, John, W. Hutchinson , 2007 The deflection and fracture of metal sandwich plates subjected to intense uniform impulsive pressure loads are studied for plates made of four steels representing a wide range of strength, strain hardening and
The primary fracture modes of the sandwich plates are necking and subsequent tearing of the face sheets and webs and shear delamination of the core webs from the faces. Plates with square honeycomb cores have higher damage tolerance than those with folded plate cores in that they can withstand much larger loads above those at which the first signs of fracture appear.
Design and Analysis of Laminated Composite MaterialsPlates Sahoo and Singh  proposed a new trigonometric zigzag theory for the static analysis of laminated composite and sandwich plates. This theory considers shear strain shape function assuming the non-linear distribution of in-plane displacement across the thickness. It satisfies the
Dynamic failure characteristics of metallic sandwich plate Jan 15, 2014 · Dynamic failure characteristics of a metallic sandwich plate with repeated metallic cores considerably affect the dynamic property and the functionality of the plate. The objective of this paper is to examine dynamic failure characteristics of a metallic sandwich plate with repeated metallic truss cores subjected to plane strain drop impact conditions via a three-dimensional finite element
Oct 01, 2020 · Guida et al. conducted a numerical investigation of the capability of a fibre metal sandwich wing leading-edge construction subjected to bird impact using Lagrangian and SPH approach. They proved that both methods predicted failure mechanisms similar to the experimental test and reproduced the dynamic response of the impact event in detail.
Introduction to the Theory of Plates - Stanford UniversityA plate is a structural element which is thin and at. By thin, it is meant that the plates transverse dimension, or thickness, is small compared to the length and width dimensions. A mathematical eion of this idea is:where t represents the plates thickness, and L represents a representative length or width dimension. (See Fig.
Metallic sandwich panels subjected to multiple intense The mechanical response and fracture of metal sandwich panels subjected to multiple impulsive pressure loads (shocks) were investigated for panels with honeycomb and folded plate
The dynamic response of physically asymmetric rectangular sandwich plates with metal foam core subjected to blast loading is investigated analytically and numerically. The so-called bounds of analytical solutions for the maximum central deflection of back face-sheets and the structural response time are obtained, respectively, by employing the yield criteria for an asymmetric sandwich
Sandwich Panels Subjected to Blast Loading SpringerLinkThe ability of sandwich panels to resist dynamic loading has been shown to be superior to monolithic metal plates of the same areal density by a number of investigators. Experimental and numerical studies on the response of sandwich panels to air-blast, water-blast and simulated blast are increasing, but mainly focus on the latter two.
Seismic Performance of Embedded Column Base May 05, 2017 · These failure modes and experimental measurements suggest that the base moment is resisted through a combination of horizontal bearing stresses on the column flanges and vertical bearing stresses on the embedded base plate. All specimens sustained significant deformations (27% column drift) prior to load loss or failure.
The impact performance under Dynamic Failure of Composite and Sandwich Structures, p.491-544. the ballistic resistance of 6061T6 aluminium plates - subjected to normal impact of small calibre armour piercing bullets. Bullets made of steel and having core
Tearing of metallic sandwich panels subjected to air shock Performance and failure of metal sandwich plates subjected to shock loading fracture of metal sandwich plates subjected to intense uniform impulsive pressure loads are studied for plates made
The Buckling of Sandwich-Type Panels Journal of the Aug 30, 2012 · Failure modes of lattice sandwich plate by additive-manufacturing and its imperfection sensitivity 14 December 2019 Acta Mechanica Sinica, Vol. 36, No. 2 Wrinkling in sandwich
Mar 01, 2006 · European Journal of Mechanics A/Solids 25 (2006) 215229 The response of clamped sandwich plates with lattice cores subjected to shock loading G.J. McShane, D.D. Radford, V.S. Deshpande, N.A. Fleck Department of Engineering, University of Cambridge, Trumpington St., Cambridge, CB2 1PZ, UK Received 3 May 2005; accepted 17 August 2005 Available online 4
Zhenyu Xue - Google ScholarPerformance and failure of metal sandwich plates subjected to shock loading A Vaziri, Z Xue, J Hutchinson Journal of Mechanics of Materials and Structures 2 (10), 1947-1963 , 2007Performance and failure of metal sandwich plates subjected The deflection and fracture of metal sandwich plates subjected to intense uniform impulsive pressure loads are studied for plates made of four steels representing a wide range of strength, strain