Zobrazeno 1 - 10
of 34
pro vyhledávání: '"Kumar P. Dharmasena"'
Publikováno v:
International Journal of Impact Engineering. 117:13-31
The deformation of square honeycomb core, stainless steel sandwich panels by the impact of explosively accelerated granular matter has been investigated and compared to results from a previous study using equivalent (same material and mass per unit a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4b4c1bf6ddba88cd05bff2dbd6fd7df1
https://doi.org/10.1016/j.ijimpeng.2018.02.009
https://doi.org/10.1016/j.ijimpeng.2018.02.009
The deformation of ductile square stainless steel plates during central impact by high velocity, spherically symmetric granular particle shells has been investigated using an approach that combined large-scale experiments with numerical simulation. T
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::859e9e55805b0f1e86fbfc763abe0a3f
https://www.repository.cam.ac.uk/handle/1810/278017
https://www.repository.cam.ac.uk/handle/1810/278017
© 2017 Elsevier Ltd The mechanism by which a spherical shell of granular matter is accelerated by an internal explosion together with its subsequent loading of a high ductility, edge clamped steel plate are investigated by a combination of instrumen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fe8b94a56b32b8b2005f730c4f51b4f0
https://www.repository.cam.ac.uk/handle/1810/277554
https://www.repository.cam.ac.uk/handle/1810/277554
Publikováno v:
International Journal of Impact Engineering. 62:114-128
The mechanisms of projectile penetration of extruded 6061T6 aluminum alloy sandwich panels with empty and alumina filled, triangular corrugated cores have been experimentally investigated using zero obliquity, 12.7 mm diameter hard steel projectiles
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a30d4a049653cd7a0a95be14e4cfc81b
https://doi.org/10.1016/j.ijimpeng.2013.06.005
https://doi.org/10.1016/j.ijimpeng.2013.06.005
Publikováno v:
International Journal of Impact Engineering. 62:182-195
The dynamic deformation of both edge clamped stainless steel sandwich panels with a pyramidal truss core and equal mass monolithic plates loaded by spherically expanding shells of dry and water saturated sand has been investigated, both experimentall
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fec431120a372130a2e47efeda29a657
https://doi.org/10.1016/j.ijimpeng.2013.06.012
https://doi.org/10.1016/j.ijimpeng.2013.06.012
Autor:
Lars Olovsson, Tore Børvik, Kumar P. Dharmasena, John W. Hutchinson, John Joseph Wetzel, Odd Sture Hopperstad, Haydn N. G. Wadley, Vikram Deshpande
Publikováno v:
Journal of the mechanics and physics of solids
Light metal sandwich panel structures with cellular cores have attracted interest for multifunctional applications which exploit their high bend strength and impact energy absorption. This concept has been explored here using a model 6061-T6 aluminum
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a10d62eb0f8f937fb2549d0489c40a21
https://doi.org/10.1016/j.jmps.2012.07.007
https://doi.org/10.1016/j.jmps.2012.07.007
Autor:
John Joseph Wetzel, Brandon Talamini, Julian J. Rimoli, Haydn N. G. Wadley, Kumar P. Dharmasena, Raul Radovitzky
Publikováno v:
International Journal of Impact Engineering. 38:837-848
We have utilized a combination of experimental and modeling methods to investigate the mechanical response of edge-clamped sandwich panels subject to the impact of explosively driven wet sand. A porthole extrusion process followed by friction stir we
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4a654f21484d47506ae1f5935c18fba2
https://doi.org/10.1016/j.ijimpeng.2011.05.010
https://doi.org/10.1016/j.ijimpeng.2011.05.010
Autor:
Kumar P. Dharmasena, Haydn N. G. Wadley, Tore Børvik, Lars Olovsson, Håkan Hansson, A.G. Hanssen
Publikováno v:
Journal of the Mechanics and Physics of Solids. 59:940-958
The structural response of a stainless steel plate subjected to the combined blast and sand impact loading from a buried charge has been investigated using a fully coupled approach in which a discrete particle method is used to determine the load due
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d1e359b999ed56312896dfcf91206c6f
https://doi.org/10.1016/j.jmps.2011.03.004
https://doi.org/10.1016/j.jmps.2011.03.004
Publikováno v:
International Journal of Impact Engineering. 38:275-289
Small scale explosive loading of sandwich panels with low relative density pyramidal lattice cores has been used to study the large scale bending and fracture response of a model sandwich panel system in which the core has little stretch resistance.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9a202e32437d769f6e2b2591d1421cbf
https://doi.org/10.1016/j.ijimpeng.2010.10.002
https://doi.org/10.1016/j.ijimpeng.2010.10.002
Autor:
Raul Radovitzky, Kumar P. Dharmasena, Tan Bui-Thanh, M.Y. He, Robert M. McMeeking, Hng Wadley, Anthony G. Evans
Publikováno v:
International Journal of Impact Engineering. 37:317-323
We explore the feasibility of cellular materials concepts for passive and active mitigation of blast overpressures. The passive approach requires a cellular medium that compresses at nominally constant stress and dissipates the kinetic energy acquire
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6f5718decea0e329ea60c70144b80c17
https://doi.org/10.1016/j.ijimpeng.2009.06.006
https://doi.org/10.1016/j.ijimpeng.2009.06.006