Dr Andrew Tyas

All Publications

Books

  • Larsen OP & Tyas A (2003) Conceptual structural design.

Journal articles

Chapters

  • Gilbert M, Smith , Hawksbee & Tyas (2014) Use of layout optimization to solve large-scale limit analysis and design problems In Spiliopoulos K & Weichert D (Ed.), Direct Methods (pp. 157-180). Springer
  • Tyas A (2010) Characterization of catastrophic actions on constructions: Explosive loads. In Mazzolani FM (Ed.), Urban Habitats Under Catastrophic Events (Final Report) (pp. 43-52). Leiden, Netherlands: CRC Press Taylor & Francis Group.

Conference proceedings papers

  • Barr AD, Clarke SD, Rigby SE, Tyas A & Warren J (2016) Investigating high strain rate shear in soils using a split Hopkinson pressure bar. 3rd UK Defence Seminar on the High Strain Rate Properties of Soils and Granular Media. Dstl, Porton Down
  • Rigby SE, Fay SD, Tyas A, Clarke SD, Reay JJ, Warren JA, Gant M & Elgy I (2016) Localised variations in reflected pressure from explosives buried in uniform and well-graded soils. Proceedings of the 24th Military Aspects of Blast and Shock. Halifax, Nova Scotia, Canada, 19 September 2016 - 23 September 2016. View this article in WRRO
  • Clarke SD, Rigby SE, Tyas A, Fay SD, Reay JJ, Warren JA, Gant M & Elgy I (2016) Reflected pressures from explosives buried in idealised cohesive soils. Proceedings of the 24th Military Aspects of Blast and Shock. Halifax, Nova Scotia, Canada, 19 September 2016 - 23 September 2016. View this article in WRRO
  • Fuller B, Rigby SE, Tyas A, Clarke SD, Warren JA, Reay J & Gant M (2016) Experimentation and modelling of near field explosions. Proceedings of the 24th Military Aspects of Blast and Shock. Halifax, Nova Scotia, Canada, 19 September 2016 - 23 September 2016. View this article in WRRO
  • Tyas A, Reay JJ, Fay SD, Clarke SD, Rigby SE, Warren JA & Pope DJ (2016) Experimental studies of the effect of rapid afterburn on shock development of near-field explosions. International Journal of Protective Structures, Vol. 7(3) (pp 452-465)
  • Barr A, Clarke SD, Rigby SE, Tyas A & Warren JA (2016) Design of a partially confined split Hopkinson pressure bar. Proceedings of 24th International Symposium on Military Aspects of Blast and Shock
  • Clarke SD, Rigby SE, Fay SD, Tyas A, Reay JJ, Warren JA, Gant M, Livesey R & Elgy I (2015) 'Bubble-type' vs 'shock-type' loading from buried explosives. 16th International Symposium on the Interaction of the Effects of Munitions with Structures (ISIEMS). Destin, FL, USA, 10 November 2015 - 13 November 2015. View this article in WRRO
  • Barr AD, Clarke SD, Rigby SE, Petkovski M & Tyas A (2015) Finite element modelling of split-Hopkinson pressure bar experiments on sand. 16th International Symposium on the Interaction of the Effects of Munitions with Structures (ISIEMS). Destin, FL, USA, 10 November 2015. View this article in WRRO
  • Tyas A, Reay J, Warren JA, Rigby SE, Clarke SD, Fay SD & Pope DJ (2015) Experimental Studies of Blast Wave Development and Target Loading from Near-Field Spherical PETN Explosive Charges. 16th International Symposium on the Interaction of the Effects of Munitions with Structures (ISIEMS). Destin,FL, USA, 10 November 2015 - 13 November 2015. View this article in WRRO
  • Rigby SE, Tyas A, Clarke SD, Fay SD, Reay JJ, Warren JA & Pope DJ (2015) A Review of UFC-3-340-02 Blast Wave Clearing Predictions. 16th International Symposium on the Interaction of the Effects of Munitions with Structures (ISIEMS). Destin, FL, USA, 10 November 2015 - 13 November 2015. View this article in WRRO
  • Church P, Ingamells V, Wood A, Gould P, Perry J, Jardine A & Tyas A (2015) Development and validation of model for sand. EPJ Web of Conferences, Vol. 94 (pp 04024-04024)
  • Rigby SE, Tyas A, Clarke SD, Schwer L, Fay SD, Reay JJ & Warren JA (2015) Lateral Clearing of Far-Field Obliquely Reflected Blast Waves. The First International Conference on Structural Safety under Fire & Blast (CONFAB 2015). Glasgow, UK, 2 September 2015 - 4 September 2015. View this article in WRRO
  • Fuller B, Rigby SE, Tyas A, Clarke SD, Fay SD, Reay JJ, Warren JA & Elgy I (2015) Effect of Spatial Variation of Blast Loading on Response of Plates. Proceedings Of The First International Conference on Structural Safety under Fire & Blast (CONFAB 20. Glasgow, UK, 2 September 2015 - 4 September 2015. View this article in WRRO
  • Clarke SD, Fay SD, Rigby SE, Tyas A, Warren JA, Reay JJ, Fuller B, Pope DJ, Gant M & Elgy I (2015) Finite element simulation of plates under non-uniform blast loads using a point-load method: Buried explosives. 11th International Conference on Shock & Impact Loads on Structures. Ottawa, Canada, 14 May 2015 - 15 May 2015. View this article in WRRO
  • Rigby SE, Tyas A, Fay SD, Reay JJ, Clarke SD & Warren JA (2015) Finite element simulation of plates under non-uniform blast loads using a point-load method: Blast wave clearing. 11th International Conference on Shock & Impact Loads on Structures. Ottawa, Canada, 14 May 2015 - 15 May 2015. View this article in WRRO
  • Clarke S, Warren J, Fay S, Rigby S & Tyas A (2014) The influence of Geotechnical Conditions on the Output of Shallow Buried Charges. 2nd UK Defence Seminar on the High Strain Rate Properties of Soils and Granular Media. Dstl, Porton Down, 11 December 2014 - 12 December 2014.
  • Rigby SE, Clarke SD, Fay SD, Reay JJ, Tyas A, Warren J, Gant M & Elgy I (2014) Recent developments on the characterisation of blast loading (CoBL). 2nd UK Defence Seminar on the High Strain Rate Properties of Soils and Granular Media. Dstl, Porton Down, 11 December 2014 - 12 December 2014.
  • Barr AD, Clarke SD, Petkovski M, Tyas A, Rigby SE & Warren J (2014) Force Protection Engineering: Soil Research. 2nd UK Defence Seminar on the High Strain Rate Properties of Soils and Granular Media. Dstl, Porton Down, 11 December 2014.
  • Rigby SE, Tyas A, Fay SD, Clarke SD & Warren JA (2014) Validation of Semi-Empirical Blast Pressure Predictions for Far Field Explosions - Is There Inherent Variability in Blast Wave Parameters?. 6th International Conference on Protection of Structures against Hazards. Tianjin, China, 16 October 2014 - 17 October 2014. View this article in WRRO
  • Rigby SE, Tyas A, Clarke SD, Fay SD, Warren JA, Elgy I & Gant M (2014) Testing Apparatus for the Spatial and Temporal Pressure Measurements from Near-Field Free Air Explosions. 6th International Conference on Protection of Structures against Hazards. Tianjin, China, 16 October 2014 - 17 October 2014. View this article in WRRO
  • Barr A, Clarke SD, Petkovski M, Tyas A, Warren J & Kerr S (2014) Quasi-static and high-strain-rate experiments on sand under one-dimensional compression. Hopkinson Centenary Conference (pp 1-15). Cambridge, UK, 8 September 2014. View this article in WRRO
  • Clarke SD, Fay SD, Tyas A, Warren J, Rigby SE, Elgy I & Livesey R (2014) Repeatability of Buried Charge Testing. Military Aspects of Blast and Shock 23. Oxford, UK, 7 September 2014 - 12 September 2014. View this article in WRRO
  • Fay SD, Clarke SD, Tyas A, Warren J, Rigby SE, Bennett T, Elgy I & Gant M (2014) Measuring the Spatial and Temporal Pressure Variation from Buried Charges. Military Aspects of Blast and Shock 23. Oxford, UK, 7 September 2014 - 12 September 2014. View this article in WRRO
  • Barr A, Clarke S, Petkovski M, Tyas A, Warren J & Kerr S (2014) Strain-rate effects in dry and partially-saturated sand under one-dimensional compression at high pressures. International Symposium on Geomechanics from Micro to Macro. Cambridge, UK, 1 September 2014. View this article in WRRO
  • Clarke SD, Barr A, Petkovski M, Tyas A & Warren JA (2013) Strain rate and moisture effects on sand response. 1st UK Defence Seminar on the High Strain Rate Properties of Soils and Granular Media. QinetiQ Farnborough, 24 September 2013.
  • Fay S , Clarke S, Warren JA, Tyas A, Bennett T, Reay J, Elgy I & Gant M (2013) Capturing the spatial and temporal variations in impulse from shallow buried charges. 15th International Symposium on Interaction of the Effects of Munitions with Structures (ISIEMS). Potsdam, Germany, 16 September 2013 - 20 September 2013.
  • Rahbari R, Davison B & Tyas A (2012) Dynamic behaviour of web cleat steel connections. 11th International Conference on Steel Space and Composite Structures (pp 269-278)
  • Clarke S, Warren JA, Fay SD, Tyas A & Rigby SE (2012) The role of geotechnical parameters on the impulse generated by buried charges. MABS 22 Bourges (2012). SPIEZ Switzerland, 4 November 2012 - 9 November 2012. View this article in WRRO
  • Clarke SD, Warren JA & Tyas A (2011) The influence of soil density and moisture content on the impulse from shallow buried explosive charges. 14th International Symposium on Interaction of the Effects of Munitions with Structures (ISIEMS). Seattle, USA, 19 September 2011 - 23 September 2011. View this article in WRRO
  • Pichugin AV, Tyas A & Gilbert M (2011) Michell structure for a uniform load over multiple spans. 9th World Congress on Structural & Multidisciplinary Optimization. Shizuoka, Japan, 13 June 2011 - 17 June 2011. View this article in WRRO
  • Tyas A & Gilbert M (2011) On transmissible load formulations in topology optimization. 9th World Congress on Structural and Multidisciplinary Optimization. Shizuoka, Japan
  • Gilbert M, Tyas A & Pullan D (2011) Layout optimization of structures with transmissible and self-weight loads. 9th World Congress on Structural & Multidisciplinary Optimization. Shizuoka, Japan, 13 June 2011 - 17 June 2011.
  • Tyas A, Warren JA, Davison JB, Stoddart EP & Hindle A (2010) Dynamic testing of semi-rigid steel beam-column connections. COST C26 International Conference on Urban Habitat Constructions Under Catastrophic Events (pp 145-149). Naples
  • Dotoli R, Bozzolo A, Tyas A & Bardaro D (2010) Experimental testing and numerical simulation to design an innovative blast resistant textile luggage container. 27th Congress of the International Council of the Aeronautical Sciences. Nice
  • Askes H & Tyas A (2010) Physical motivation for mass scaling in explicit dynamics. 18th UK Association of Computational Mechanics in Engineering Conference (pp 53-56). Southampton
  • Davison JB, Tyas A, Popovic-Larsen O & Carter T (2010) Educating structural engineers and architects together at the University of Sheffield - 10 years on. Structures and Architecture (pp 877-885). Guimaraes, Portugal
  • Barnett SJ, Tyas A, Millard SG, Schleyer GS & Soutsos MN (2009) Blast resistance of ultra high performance fibre reinforced concrete. Concrete Communications Conference. Leeds
  • Millard SG, Barnett SJ, Schleyer GS, Tyas A & Rebentrost M (2009) Explosion and impact resistance of ultra high performance fibre reinforced concrete. PROTECT2009, 2nd Workshop on Performance, Protection & Strengthening of Structures Under Extreme Loading. Hayama, Japan
  • Davison JB & Tyas A (2008) Robustness of steel connections. 6th International Workshop on Connections in Steel Structures (pp 455-466). Chicago
  • Darwich W, Gilbert M & Tyas A (2008) Form: A practical layout optimization tool for civil and structural engineers. 8th World Congress in Computational Mechanics (pp 2-2). Venice
  • Darwich W, Gilbert M & Tyas A (2007) Optimum structure to carry a uniform load between two pinned supports. 7th World Congress of Structural and Multidisciplinary Optimization, Seoul, Korea
  • Pritchard TJ, Gilbert M & Tyas A (2005) Plastic layout optimization of large-scale frameworks subject to multiple load cases, member self-weight and with joint length penalties. 6th World Congress of Structural and Multidisciplinary Optimization. Rio de Janeiro
  • Munoz-Garcia E, Davison JB & Tyas A (2005) Analysis of the response of structural bolts subjected to rapid rates of loading. 4th European Conference on Steel and Composite Structures (pp 147-154). Maastricht
  • Gilbert M, Darwich W, Tyas A & Shepherd P (2005) Application of large-scale layout optimization techniques in structural engineering practice. 6th World Congress of Structural and Multidisciplinary Optimization. Rio de Janeiro
  • Tyas A, Gilbert M & Pritchard TJ (2005) Practical plastic layout optimization of trusses incorporating stability considerations. 6th World Congress of Structural and Multidisciplinary Optimization. Rio de Janeiro
  • Liu R, Davison JB & Tyas A (2005) Is catenary action sufficient to resist progressive collapse in a steel framed building. 4th European Conference on Steel and Composite Structures (pp 155-162). Maastricht
  • Pichugin AV, Tyas A, MacPherson WN, Watson S & Barton JS (2005) Scaled shock measurements using micro-scale fibre optic pressure transducers. 6th Asia-Pacific Conference on Shock and Impact Loads on Structures (pp 445-455). Perth, Australia
  • Liu R, Davison JB & Tyas A (2005) A study of progressive collapse in multi-storey steel frames. ASCE Structures Congress Metropolis and Beyond. New York
  • Munoz-Garcia E, Davison JB & Tyas A (2005) Structural integrity of steel connections subjected to rapid rates of loading. ASCE Structures Congress Metropolis and Beyond. New York
  • Tyas A & Pope DJ (2004) Response number analysis of the response of steel panels to near-field blast loading. 2nd Asis Pacific Conference on Protection of Structures Against Hazards (pp 311-316). Singapore
  • Pritchard T, Tyas A & Gilbert M (2003) A new look at topology optimisation as an aid to conceptual structural design. Proceedings of the 2nd Speciality Conference on the Conceptual Approach to Structural Design (pp 739-746). Milan
  • Tyas A & Pope DJ (2003) The energy uptake of bending elements subjected to near-field blast loading. International Conference on the Response of Structures to Extreme Loading. Toronto
  • Gilbert M, Tyas A & Pritchard T (2003) An efficient linear programming based layout optimization method for pin-jointed frames. Proceedings of the 5th World Congress in Structural and Multidisciplinary Optimization (pp 8-8). Venice, Italy
  • Pope DJ & Tyas A (2002) Response prediction of steel plate reinforced concrete panels exposed to near field explosive loading using simplified hydrocode models. 1st Asia-Pacific Conference on Protection of Structures against Hazards. Singapore, 14 November 2002 - 15 November 2002.
  • Pope DJ & Tyas A (2002) Use of hydrocode modelling techniques to predict loading parameters from free air hemispherical explosive charges. 1st Asia-Pacific Conference on Protection of Structures Against Hazards. Singapore, 14 November 2002 - 15 November 2002.
  • Tyas A & Gilbert M () On transmissible load formulations in topology optimization. 9th World Congress on Structural & Multidisciplinary Optimization. Shizuoka, Japan, 13 June 2011 - 17 June 2011.
  • Barnett SJ, Millard SG, Soutsos MN, Schleyer GK & Tyas A () Flexural Performance of UHPFRC. PROTECT2007: Structures under Extreme Loading. Whistler, BC, Canada, August 2007.
  • Gilbert M, Tyas A & Pritchard T () An Efficient Linear Programming Based Layout Optimization Method for Pin-Jointed Frames. http://www-3.unipv.it/wcsmo5/. Venice, Italy, 19 May 2003 - 23 May 2003.

Reports

  • Barr AD & Tyas A (2017) Preliminary split Hopkinson pressure bar experiments on steel lattices
  • Barr AD & Tyas A (2017) UHPC Literature Review Scoping Study
  • Barr AD & Tyas A (2017) Dynamic testing of energetic specimens
  • Rigby SE, Fay S, Warren J, Tyas A & Clarke S (2014) Characterisation of Blast Loading, End of Year 2 Report
  • Fay, S , Tyas, A , Warren, J & Clarke S (2014) HITSss Phase 5.1 and 5.2 Final Report for DSTL
  • Tyas A, Barr A, Clarke SD & Rigby SE (2014) Experiments on the mechanical properties of Leighton Buzzard and Sandy Loam soils at static and dynamic strain rates
  • Tyas A, Barr A, Clarke SD & Rigby SE (2014) Experiments on the mechanical properties of Leighton Buzzard and Sandy Loam soils at static and dynamic strain rates
  • Barr A, Tyas A, Clarke SD & Petkovski M (2013) MACET and SHPB characterisation of FPE sand
  • Tyas A & Rigby SE (2012) Report on experimental studies the dynamic and static pull-out loads of concrete fixings