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Recent Submissions

  • Noninvasive measurement of local stress inside soft materials with programmed shear waves 

    Zhang, Zhaoyi; Li, Guo-Yang; Jiang, Yuxuan; Zheng, Yang; Gower, Artur L.; Destrade, Michel; Cao, Yanping (American Association for the Advancement of Science, 2023-03-08)
    Mechanical stresses across different length scales play a fundamental role in understanding biological systems¿ functions and engineering soft machines and devices. However, it is challenging to noninvasively probe local ...
  • Bending control and stability of functionally graded dielectric elastomers 

    Su, Yipin; Ogden, Ray W.; Destrade, Michel (Elsevier, 2021-01-18)
    A rectangular plate of dielectric elastomer exhibiting gradients of material properties through its thickness will deform inhomogeneously when a potential difference is applied to compliant electrodes on its major surfaces, ...
  • On the thermodynamic consistency of Quasi-linear viscoelastic models for soft solids 

    Berjamin, Harold; Destrade, Michel; Parnell, William J. (Elsevier, 2020-12-15)
    Originating in the field of biomechanics, Fung's model of quasi-linear viscoelasticity (QLV) is one of the most popular constitutive theories employed to compute the time-dependent relationship between stress and deformation ...
  • Wrinkling of soft magneto-active plates 

    Wu, Bin; Destrade, Michel (Elsevier, 2020-11-03)
    Coupled magneto-mechanical wrinkling has appeared in many scenarios of engineering and biology. Hence, soft magneto-active (SMA) plates buckle when subject to critical uniform magnetic field normal to their wide surface. ...
  • An ultrasonic method to measure stress without calibration: The angled shear wave identity. 

    Li, Guo-Yang; Gower, Artur L.; Destrade, Michel (Acoustical Society of America, 2020-12-03)
    Measuring stress levels in loaded structures is crucial to assess and monitor structure health and to predict the length of remaining structural life. Many ultrasonic methods are able to accurately predict in-plane stresses ...
  • Mechanics of human brain organoids 

    Balbi, Valentina; Destrade, Michel; Goriely, Alain (American Physical Society, 2020-01-02)
    Organoids are prototypes of human organs derived from cultured human stem cells. They provide a reliable and accurate experimental model to study the physical mechanisms underlying the early developmental stages of human ...
  • Extreme resilience and dissipation in heterogeneous elasto-plastomeric crystals 

    Lee, Gisoo; Lee, Jaehee; Lee, Seunghyeon; Rudykh, Stephan; Cho, Hansohl (Royal Society of Chemistry, 2023-11-07)
    We present a microstructure-topology-based approach for designing macroscopic, heterogeneous soft materials that exhibit outstanding mechanical resilience and energy dissipation. We investigate a variety of geometric ...
  • 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 ...
  • Post-buckling development in soft particulate composites 

    Chen, Dean; Xiang, Yuhai; Arora, Nitesh; Yao, Qi; Li, Jian; Rudykh, Stephan (Elsevier, 2023-07-26)
    In this paper, we investigate the post-buckling development of instability-induced patterns in soft particulate composites. Upon reaching the critical strain level, the composite experiences microstructural buckling. ...
  • 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 ...
  • Structural and material electro-mechanical instabilities in microstructured dielectric elastomer plates 

    Bahreman, Marzieh; Arora, Nitesh; Darijani, Hossein; Rudykh, Stephan (Elsevier, 2022-02-18)
    In this paper, we investigate the stability of microstructured dielectric elastomer (DE) plates under electro-mechanical finite deformations. We examine the influence of the DE composite microstructure parameters on the ...
  • Emergence of instability-driven domains in soft stratified materials 

    Li, Jian; Slesarenko, Viacheslav; Rudykh, Stephan (Nature Research, 2022-05-02)
    Nature frequently employs the buckling phenomenon to facilitate the formation of complicated patterns across length-scales. Current knowledge, however, is limited to a small set of buckling-induced microstructure transformations ...
  • 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 ...
  • 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 ...
  • Towards understanding the role of viscoelasticity in microstructural buckling in soft particulate composites 

    Xiang, Yuhai; Chen, Dean; Arora, Nitesh; Yao, Qi; Rudykh, Stephan (Elsevier, 2023)
    This work investigates the interplay between viscoelasticity and instabilities in soft particulate composites undergoing finite deformation. The composite is subjected to in-plane deformation at various constant strain ...
  • Nonlinear elastic vector solitons in hard-magnetic soft mechanical metamaterials 

    Zhang, Quan; Cherkasov, Andrei V.; Xie, Chen; Arora, Nitesh; Rudykh, Stephan (Elsevier, 2023-07-14)
    We propose a design of a metamaterial for magnetically tunable propagation of nonlinear vector solitary waves. The metamaterial consists of a periodic array of units of hard-magnetic inclusion embedded in a soft matrix. ...
  • The Poynting effect 

    Zurlo, Giuseppe; Blackwell, James; Colgan, Niall; Destrade, Michel (American Association of Physics Teachers, 2020-11-19)
    Intuition suggests that twisting a cylinder will shorten it, but here it is shown that for a cylinder of an incompressible material, like rubber, twisting will always produce elongation.
  • Mechanical instability tuning of a magnetorheological elastomer composite laminate 

    Chen, Vincent W.; Arora, Nitesh; Goshkoderia, Artemii; Willey, Carson L.; Turgut, Zafer; Buskohl, Philip R.; Rudykh, Stephan; Juhl, Abigail T. (Elsevier, 2022-12-28)
    Magnetorheological elastomers (MRE) can change their shape and properties when activated by an external magnetic field. The attractive tunable properties of this stimuli-responsive composite can be further amplified by ...
  • Perspectives on allele-specific expression 

    Cleary, Siobhan; Seoighe, Cathal (Annual Reviews, 2021-04-28)
    Diploidy has profound implications for population genetics and susceptibility to genetic diseases. Although two copies are present for most genes in the human genome, they are not necessarily both active or active at the ...
  • Nash Equilibria in certain two-choice multi-player games played on the ladder graph 

    Sánchez Muñoz, Victoria; Mc Gettrick, Michael (World Scientific Publishing, 2021-01-16)
    In this paper, we compute analytically the number of Nash Equilibria (NE) for a two-choice game played on a (circular) ladder graph with 2n players. We consider a set of games with generic payoff parameters, with the only ...

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