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Akash Trivedi DPhil (Oxon) MEng PGCE

Postdoctoral Research Fellow

Lead Tutor (Materials)

College Lecturer (Structures, Mechanics, Materials and Dynamics)

Biography

Akash's research focuses on better understanding the mechanical properties of low-impedance polymers and their composites, specifically the response to high rate deformations, such as those experienced in impact loading scenarios. He does this by developing new methods for experimentally measuring the response of polymers and composites under challenging loading conditions, and for modelling and designing polymer structures.

These materials are widely used for energy absorbing applications in industries as diverse as automotive, aerospace, manufacturing, biomedical, defence and consumer goods. However, their behaviour during impact is not well understood, which prevents the optimisation of material properties and structural design.

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Research Interests

  • Experimental mechanics and novel technique development
  • Thermo-mechanical characterisation
  • High rate experiments of low-impedance materials
  • Impact behaviour of polymers and their composites

Current Projects

  • Impact modelling of polymers, high rate experiments for solid-state simulations: Gaining a deeper understanding into the impact response of high-performance polymers and composites in order to provide design guidelines for producing polymer systems optimised to work efficiently in different impact applications.

Research Group

Related Academic

Recent Publications

Application of linear viscoelastic continuum damage theory to the low and high strain rate response of thermoplastic polyurethane

Chen H, Trivedi A & Siviour C (2020), Experimental Mechanics, 60, 925-936

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@article{applicationofli-2020/6,
  title={Application of linear viscoelastic continuum damage theory to the low and high strain rate response of thermoplastic polyurethane},
  author={Chen H, Trivedi A & Siviour C},
  journal={Experimental Mechanics},
  volume={60},
  pages={925-936},
  publisher={Springer Nature},
  year = "2020"
}

A simple rate-temperature dependent hyperelastic model applied to neoprene rubber

Trivedi A & Siviour C (2020), Journal of Dynamic Behavior of Materials, 6, 336-347

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@article{asimpleratetemp-2020/6,
  title={A simple rate-temperature dependent hyperelastic model applied to neoprene rubber},
  author={Trivedi A & Siviour C},
  journal={Journal of Dynamic Behavior of Materials},
  volume={6},
  pages={336-347},
  publisher={Springer},
  year = "2020"
}

A novel methodology for predicting the high rate mechanical response of polymers from low rate data: Application to (plasticised) poly(vinyl chloride)

Trivedi A & Siviour C (2020), Mechanics of Time-Dependent Materials, 25(3), 383-409

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@article{anovelmethodolo-2020/5,
  title={A novel methodology for predicting the high rate mechanical response of polymers from low rate data: Application to (plasticised) poly(vinyl chloride)},
  author={Trivedi A & Siviour C},
  journal={Mechanics of Time-Dependent Materials},
  volume={25},
  pages={383-409},
  publisher={Springer},
  year = "2020"
}

Predicting the high strain rate response of plasticised poly(vinyl chloride) using a fractional derivative model

Trivedi A & Siviour C (2018), EPJ Web of Conferences, 183

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@inproceedings{predictingthehi-2018/9,
  title={Predicting the high strain rate response of plasticised poly(vinyl chloride) using a fractional derivative model},
  author={Trivedi A & Siviour C},
  booktitle={12th International DYMAT Conference on the Mechanical and Physical Behaviour of Materials under Dynamic Loading},
  year = "2018"
}

Framework for Analyzing Hyper-Viscoelastic Polymers

Trivedi A & Siviour C (2018), SHOCK COMPRESSION OF CONDENSED MATTER - 2017, 1979

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@inproceedings{frameworkforana-2018/1,
  title={Framework for Analyzing Hyper-Viscoelastic Polymers},
  author={Trivedi A & Siviour C},
  booktitle={SHOCK COMPRESSION OF CONDENSED MATTER - 2017: Proceedings of the Conference of the American Physical Society Topical Group on Shock Compression of Condensed Matter},
  year = "2018"
}

Fluoride degradable and thermally debondable polyurethane based adhesive

Babra TS, Trivedi A, Warriner C, Bazin N, Castiglione D et al. (2017), Polymer Chemistry, 46(8), 7207-7216

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@article{fluoridedegrada-2017/11,
  title={Fluoride degradable and thermally debondable polyurethane based adhesive},
  author={Babra TS, Trivedi A, Warriner C, Bazin N, Castiglione D et al.},
  journal={Polymer Chemistry},
  volume={46},
  pages={7207-7216},
  publisher={Royal Society of Chemistry},
  year = "2017"
}

Steady state and sequentially coupled thermo-mechanical simulation of rolling tires

Berger T & Kaliske M (2017), 617-623

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@inproceedings{steadystateands-2017/8,
  title={Steady state and sequentially coupled thermo-mechanical simulation of rolling tires},
  author={Berger T & Kaliske M},
  pages={617-623},
  year = "2017"
}

Awards and Prizes

PER Seed Fund (UKRI Higher Education Innovation Fund) Gas Gun Guys, PI - £4,024 (2020)

Young Stress Analyst First Prize Winner (2019)

Department of Engineering Science Edgell Sheppe Award (2019)

Royal Aeronautical Society Aerospace Speakers’ Travel Grant (2019)

Wolfson College Travel Award (2019, 2018) and Field Research Award (2017)

Society for Experimental Mechanics International Student Paper Competition Finalist (2019)

Armourers’ and Brasiers’ Company and AWE Gauntlet Trust Travel Award (2018)

Department of Engineering Science Travel Award (2017)

BSSM Award for Best Presentation – 2nd Place (2017)

American Physical Society Student Travel Award (2017)

European Office of Aerospace Research and Development, US Air Force Scholarship (2016)