Browsing Mathematics (Scholarly Articles) by Title

Now showing items 85-104 of 228

    • Influence of initial residual stress on growth and pattern creation for a layered aorta 

      Du, Yangkun; Lü, Chaofeng; Destrade, Michel; Chen, Weiqiu (Nature Research, 2019-06-03)
      Residual stress is ubiquitous and indispensable in most biological and artificial materials, where it sustains and optimizes many biological and functional mechanisms. The theory of volume growth, starting from a stress-free ...

    • Influence of preservation temperature on the measured mechanical properties of brain tissue 

      Rashid, Badar; Destrade, Michel; Gilchrist, Michael D. (Elsevier, 2013-04-26)
      The large variability in experimentally measured mechanical properties of brain tissue is due to many factors including heterogeneity, anisotropy, age dependence and post-mortem time. Moreover, differences in test protocols ...

    • Inhomogeneous "longitudinal" circularly-polarized plane waves in anisotropic elastic crystals 

      Destrade, Michel (S. Hirzel verlag, Ingenta Connect, 2006)
      Conditions on the elastic stiffnesses of anisotropic crystals are derived such that circularly polarized longitudinal inhomogeneous plane waves with an isotropic slowness bivector may propagate for any given direction of ...

    • Inhomogeneous "longitudinal" plane waves in a deformed elastic material 

      Destrade, Michel (Springer, 2005-01)
      By definition, a homogeneous isotropic compressible Hadamard material has the property that an infinitesimal longitudinal homogeneous plane wave may propagate in every direction when the material is maintained in a state ...

    • Inhomogeneous deformation of brain tissue during tension tests 

      Destrade, Michel; Gilchrist, Michael (Elsevier, 2012)
      Mechanical characterization of brain tissue has been investigated extensively by various research groups over the past 50 years. These properties are particularly important for modeling Traumatic Brain Injury (TBI). ...

    • Inhomogeneous shear of orthotropic incompressible non-linearly elastic solids: Singular solutions and biomechanical interpretation 

      Destrade, Michel (Elsevier, 2009)
      We present a detailed study of rectilinear shear deformation in the framework of orthotropic nonlinear elasticity, under Dirichlet and mixed-boundary conditions. We take a slab made of a soft matrix, reinforced with two ...

    • Initial stress symmetry and its applications in elasticity 

      Gower, Artur Lewis; Destrade, Michel (The Royal Society, 2015-10-28)
      An initial stress within a solid can arise to support external loads or from processes such as thermal expansion in inert matter or growth and remodelling in living materials. For this reason, it is useful to develop a ...

    • Initial stresses in elastic solids: Constitutive laws and acoustoelasticity 

      Destrade, Michel (2011)
      On the basis of the nonlinear theory of elasticity, the general constitutive equation for an isotropic hyperelastic solid in the presence of initial stress is derived. This derivation involves invariants that couple the ...

    • Instabilities in elastomers and soft tissues 

      Destrade, Michel (Oxford Journals, 2006-09-15)
      Biological soft tissues exhibit elastic properties that can be dramatically different from rubber-type materials (elastomers). To gain a better understanding of the role of constitutive relationships in determining material ...

    • Instability-induced pattern formations in soft magnetoactive composites 

      Goshkoderia, Artemii; Chen, Vincent; Li, Jian; Juhl, Abigail; Buskohl, Philip; Rudykh, Stephan (American Physical Society, 2020-04-14)
      Elastic instabilities can trigger dramatic microstructure transformations giving rise to unusual behavior in soft matter. Motivated by this phenomenon, we study instability-induced pattern formations in soft magnetoactive ...

    • The integral homology of PSL(2) of imaginary quadratic integers with nontrivial class group 

      Rahm, Alexander D. (2011)
      We show that a cellular complex defined by Flöge allows us to determine the integral homology of the Bianchi groups PSL(2)(O[-m]), where O[-m] is the ring of integers of an imaginary quadratic number field Q [square root ...

    • Interface waves in misoriented pre-stressed incompressible elastic solids 

      Destrade, Michel (Oxford Journals, 2004-12-17)
      Some relationships, fundamental to the resolution of interface wave problems, are presented. These equations allow for the derivation of explicit secular equations for problems involving waves localized near the plane ...

    • Introduction to the special issue on stability under finite deformation 

      Destrade, Michel; Saccomandi, Giuseppe (Oxford University Press, 2010)
      In the botanical gardens of Grenoble, France, there is small bridge, just a few metres long, made of pre-stressed concrete. The bridge dates back to 1855 and is thought to be the oldest manufactured pre-stressed structure ...

    • John Todd and the development of modern numerical analysis 

      Niall Madden (2012)
      The purpose of this article is to mark the centenary of the birth of John Todd, a pioneer in the fields of numerical analysis and computational science. A brief account is given of his early life and career, and that of ...

    • Large acoustoelastic effect 

      Destrade, Michel (Elsevier, 2012-03)
      Classical acoustoelasticity couples small-amplitude elastic wave propagation to an infinitesimal pre-deformation, in order to reveal and evaluate non-destructively third-order elasticity constants. Here, we see that ...

    • Large amplitude Love waves 

      Destrade, Michel (Oxford Journals, 2008-04-22)
      In the context of the finite elasticity theory, we consider a model for compressible solids called 'compressible neo-Hookean material'. We show how finite-amplitude inhomogeneous plane wave solutions and finite-amplitude ...

    • Lower bounds on the non-Clifford resources for quantum computations 

      Beverland, Michael; Campbell, Earl; Howard, Mark; Kliuchnikov, Vadym (IOP Publishing, 2020-05-28)
      Treating stabilizer operations as free, we establish lower bounds on the number of resource states, also known as magic states, needed to perform various quantum computing tasks. Our bounds apply to adaptive computations ...

    • Magnetic field-induced asymmetric mechanical metamaterials 

      Zhang, Quan; Cherkasov, Andrei V.; Arora, Nitesh; Hu, Gengkai; Rudykh, Stephan (Elsevier, 2023)
      We propose a magnetic field-induced asymmetric mechanical metamaterial. The tunable metamaterial integrates hard-Magnetic Active Elastomers (hMAEs) into the microstructural design combining snap-through, bi-stability, and ...

    • Magneto-deformation and transverse elastic waves in hard-magnetic soft laminates 

      Zhang, Quan; Rudykh, Stephan (Elsevier, 2022-04-28)
      We study the magneto-mechanical behavior of periodic laminates made of hard-magnetic active elastomers (HMAEs). We formulate the amended free-energy function for HMAEs, and derive an explicit expression for the induced ...

    • Magnetoactive asymmetric mechanical metamaterial for tunable elastic cloaking 

      Zhang, Quan; Hu, Gengkai; Rudykh, Stephan (Elsevier, 2024-01-08)
      We propose a magnetic field-induced asymmetric mechanical metamaterial for tunable transformation-based elastic cloaking. The metamaterial is designed by integrating hard-Magnetic Active Elastomers (hMAEs) and combining ...