研究领域

Overall research interest lies in the characterisation of deformation and damage mechanisms present in both biological and structural/protective materials. My group is exploring soft tissue behaviour, in particular that of the lungs, with the aim of characterising strain rate sensitivity, structural response in trauma, failure modes and residual function post-trauma. The trauma of interest is blast and through developing good understanding of tissue response, novel and targeted protective measures can be developed. This forms the other half of my research focused on materials such as sandwich composites for use in large-scale protective structures as well as personal protective equipment i.e. body armour. We develop and use various experimental techniques as well as numerical methods in our research. The experimental techniques we use include: Full-scale explosives testing Shock tubes and other gas gun facilities Uniaxial materials testing machines Drop towers High speed photography Image Correlation Structural integrity evaluation tools such as micro-CT, optical (in-house serial sectioning tools for soft tissue, the Histocutter) and acoustic measurements.

Hari is a Research Fellow in the Department of Bioengineering at Imperial College London. He did his undergraduate studies 2004-2008 in the Department of Mechanical Engineering, where he also later completed his PhD titled "Blast loading of fibre reinforced polymer composite structures". His current research interests are focussed on lung mechanics, working within the Centre for Blast Injury Studies. This involves both macro- and micro-scale evaluation of thoracic structural response to blast. The aim of the research is to improve the understanding of underlying failure mechanisms occurring within the lungs to improve both the injury treatment and injury prevention. Other research interests include: Full-scale explosive resilience evaluation of structures in air and underwater Development of novel experimental techniques and numerical models to optimise the design of blast and ballistic resistant materials Development of macro- and micro-scale finite element models to predict deformation and fracture behaviour of various structural and biological materials under a range of strain conditions Extension and validation of micromechanics analytical models for application in the design of composite materials

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Andrikakou P, Vickraman K, Arora H, On the behaviour of lung tissue under tension and compression, Scientific Reports, ISSN: 2045-2322 Arora H, Eftaxiopoulou T, 2016, Physical models: Organ Models for Primary Blast, Blast Injury Science and Engineering A Guide for Clinicians and Researchers, Publisher: Springer, ISBN: 9783319218670 Barnett-Vanes A, Sharrock A, Eftaxiopoulou T, Arora H, Macdonald W, Bull AMJ, Rankin SMet al., 2016, CD43Lo classical monocytes participate in the cellular immune response to isolated primary blast lung injury, JOURNAL OF TRAUMA AND ACUTE CARE SURGERY, Vol: 81, Pages: 500-511, ISSN: 2163-0755 Del Linz P, Hooper PA, Arora H, Wang Y, Smith D, Blackman BRK, Dear JPet al., 2016, Delamination properties of laminated glass windows subject to blast loading, International Journal of Impact Engineering, ISSN: 1879-3509 Del Linz P, Wang Y, Hooper PA, Arora H, Smith D, Pascoe L, Cormie D, Blackman BRK, Dear JPet al., 2016, Determining Material Response for Polyvinyl Butyral (PVB) in Blast Loading Situations, Experimental Mechanics, Vol: 56, Pages: 1501-1517, ISSN: 1741-2765 Eftaxiopoulou T, Barnett-Vanes A, Arora H, Macdonald W, Nguyen T-TN, Itadani M, Sharrock AE, Britzman D, Proud WG, Bull AMJ, Rankin SMet al., 2016, Prolonged but not short-duration blast waves elicit acute inflammation in a rodent model of primary blast limb trauma, INJURY-INTERNATIONAL JOURNAL OF THE CARE OF THE INJURED, Vol: 47, Pages: 625-632, ISSN: 0020-1383 Kelly M, Arora H, Worley A, Kaye M, Del Linz P, Hooper PA, Dear JPet al., 2016, Sandwich Panel Cores for Blast Applications: Materials and Graded Density, EXPERIMENTAL MECHANICS, Vol: 56, Pages: 523-544, ISSN: 0014-4851 Arora H, Tarleton E, Li-Mayer J, Charalambides MN, Lewis Det al., 2015, Modelling the damage and deformation process in a plastic bonded explosive microstructure under tension using the finite element method, COMPUTATIONAL MATERIALS SCIENCE, Vol: 110, Pages: 91-101, ISSN: 0927-0256 Butler BJ, Bo C, Boddy RL, Arora H, Williams A, Proud WG, Brown KAet al., 2015, Composite nature of fresh skin revealed during compression, Bioinspired, Biomimetic and Nanobiomaterials, Vol: 4, Pages: 133-139, ISSN: 2045-9858 Del Linz P, Hooper PA, Arora H, Smith D, Pascoe L, Cormie D, Blackman BRK, Dear JPet al., 2015, Reaction forces of laminated glass windows subject to blast loads, COMPOSITE STRUCTURES, Vol: 131, Pages: 193-206, ISSN: 0263-8223 Kelly M, Arora H, Dear JP, 2015, Blast resistance of polymeric composite sandwich Structures, Structural Integrity and Durability of Advanced Composites Innovative Modelling Methods and Intelligent Design, Publisher: Woodhead Publishing, ISBN: 9780081001387 Arora H, Kelly M, Worley A, Del Linz P, Fergusson A, Hooper PA, Dear JPet al., 2014, Compressive strength after blast of sandwich composite materials, PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES, Vol: 372, ISSN: 1364-503X Kelly M, Arora H, Dear JP, 2014, The comparison of various foam polymer types in composite sandwich panels subjected to full scale air blast loading, INTERNATIONAL SYMPOSIUM ON DYNAMIC RESPONSE AND FAILURE OF COMPOSITE MATERIALS (DRAF2014), Vol: 88, Pages: 48-53, ISSN: 1877-7058 Arora H, Hooper P, Del Linz P, Yang H, Chen S, Dear Jet al., 2012, Modelling the behaviour of composite sandwich structures when subject to air-blast loading, The International Journal of Multiphysics, Vol: 6, Pages: 199-218, ISSN: 1750-9548 Arora H, Hooper PA, Dear JP, 2012, The Effects of Air and Underwater Blast on Composite Sandwich Panels and Tubular Laminate Structures, EXPERIMENTAL MECHANICS, Vol: 52, Pages: 59-81, ISSN: 0014-4851 Arora H, Hooper PA, Dear JP, 2012, Blast loading of sandwich structures and tubes, Dynamic Failure of Composite and Sandwich Structures, Editors: Abrate, Castanié, Rajapakse, ISBN: 9789400753297 Arora H, Hooper PA, Dear JP, 2011, Dynamic response of full-scale sandwich composite structures subject to air-blast loading, COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING, Vol: 42, Pages: 1651-1662, ISSN: 1359-835X Dear JP, Arora H, Hooper PA, 2011, Investigation into the blast loading of polymer composite materials in marine structures, Seoul National University, Jeju Islando, Korea Dear JP, Arora H, Hooper PA, Del Linz Pet al., 2011, Air blast loading of different types of sandwich composite materials, University of Maryland University College, Adelphi, MD, USA Dear JP, Arora H, Hooper PA, Palmer Iet al., 2011, Blast and other rate loading to failure of composite sandwich and other structures, University of Porto, Porto, Portugal