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Postdoctoral fellowship in design of novel shock absorption materials for head impacts in hockey

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  • Postdoctoral fellowship in design of novel shock absorption materials for head impacts in hockey

    Position
    We are looking forward to recruiting a postdoctoral fellow as part of our team working on a funded industrial partnership project to develop novel materials for the design of hockey helmets. The internship is for a period of one year with possibility of renewal.

    Context
    Every year, 32000 Canadians experience severe head injuries during a sport activity. In order to protect hockey players, CCM-Hockey, world leader in hockey equipment, is developing lightweight and innovative helmets to minimize linear and angular acceleration of the head during impacts. To this end, CCM-Hockey and its partner D3O wish to develop, in partnership with ÉTS, tools and methods for computer-aided design and develop new materials that are more effective in protecting the head. This project is divided into 4 specific objectives: 1) characterize the dynamic properties of foams and study their behavior in the helmet; 2) develop finite element models (FEM) of hockey helmets positioned on a head-neck dummy to simulate different impacts prescribed by the standards and evaluate the performance of the helmets in terms of reducing linear and angular accelerations; 3) use the FEM to assist in the design of helmet components and to define the ideal properties of the foams components; 4) develop novel foam materials whose dynamic properties are close to those of the ideal foam defined using the finite element model. New foam formulations will be proposed and evaluated and the possibility of using different foam assemblies to guide energy dissipation will be investigated. This opportunity concerns more specifically objectives 3 and 4, i.e. to identify the ideal properties of the foams composing hockey helmets and to propose new formulations of foams approaching the ideal behavior.

    Mandate
    The candidate's mandate will therefore be to: 1) use the FEM developed in the framework of this project to develop detailed specifications defining the ideal dynamic behavior of absorbing materials composing hockey helmets;2) transmit the technical specifications to the industrial partners who will propose new chemical formulations of polymeric foams and manufacture samples that will be tested by the candidate in order to identify the best candidate materials; 3) use The FEM to simulate and predict the behaviour of helmets made from these candidate materials and identify the optimal configurations of foam assemblies that will be used to manufacture helmet prototypes to be tested according to the prescribed standards. The candidate must also write technical reports and scientific publications related to the work carried out.

    Desired qualities
    The recruited person must hold a doctoral degree (PhD or equivalent) in mechanical engineering, health technologies or equivalent with a particular orientation in polymeric absorbing materials. The candidate should have advanced knowledge and experience in explicit finite element modeling and simulation of systems including nonlinear and viscoelastic materials. Good knowledge of the issue of head impacts as well as of the Altair Hyperworks platform are assets. The recruited person must have excellent skills in multidisciplinary teamwork, and in written and oral communication of scientific works.

    École de technologie supérieure (ÉTS) values diversity among those who join its team and invites applications from women, Indigenous peoples, visible minorities, ethnic minorities, persons with disabilities, persons of all sexual orientation and gender identities. In case of a disability, we will offer accommodation measures during the hiring process. We will take into account any leaves that may result in career interruptions or delays. Therefore, we encourage you to mention any such leave that may have affected your professional path. We will take this information into consideration when evaluating your application.

    Interested candidates should forward a letter of interest, curriculum vitae and the name of two referees to:
    Yvan Petit, PhD, peng
    Professor, Mechanical Engineering
    École de technologie supérieure
    Montréal, Canada
    Email : yvan.petit@etsmtl.ca.
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