User:Billlion/MathematicianStub

William J. Parnell (born 19xx, quote reference) is a British Mathematician known for his work on acoustics, elastodynamics, nonlinear elasticity, wave propagation in heterogeneous media and metamaterials. He is currently a professor of applied mathematics in the Department of Mathematics, University of Manchester. He is currently Editor in Chief of Wave Motion, and in 2019 was awarded teh Whitehead Prize of the London Mathematical Society.

Contribution to elastodynamic metamaterials
During the 2010s there had a been a huge growth of interest in metamaterials, especially in connection with passive cloaking of electromagnetic waves  However progress was limited in the theory of elastic wave cloaking using elastodynamic metamaterials, due to a severe bottleneck in the theory   requiring  that materials must lack a certain symmetry. Parnell's contribution was the use of ideas from nonlinear elasticity. Pre-stressed nonlinear materials provide what might be considered natural metamaterials without needing elaborate ways to manufacture them. Parnell developed a theory of hyperelastic invariance of the partial differential equations governing small amplitude displacements to when nonlinear stress is imposed. The theory has important implications for seismology, non-destructive evaluation and teh development of advanced materials have the potential to be very significant. Give some references to these techniques being used.

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Education and career
Needs references structure in to narrative prose not a list


 * studied Mathematics at the University of Bristol,
 * University of Oxford where he gained a Masters degree in Mathematical Modelling and Scientific Computation. * PhD in Applied Mathematics from the University of Manchester, UK, in 2004.
 * research fellowships in Manchester
 * Professor in 2016.
 * worked extensively in the areas of acoustics, elastodynamics, nonlinear elasticity, wave propagation in heterogeneous media, metamaterials, and the general area of complex materials modelling.
 * served on the Editorial Board of Wave Motion (journal) since 2012. Currently EiC.
 * EPSRC research fellowship and he leads the Mathematics of Waves and Materials (MWM) research group in the School of Mathematics at Manchester.
 * Whitehead prize 2019

Research projects and industrial collaboration
Taken from GOW? Thales Group, Dyson Ltd

Selected publications
Will wrote a book....