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1. Quantitative assessment of additive leachates in abiotic weathered tire cryogrinds and its application to tire wear particles in roadside soil samples

   https://doi.org/10.1016/j.chemosphere.2022.137132  

   Thomas, Jomin ; Cutright, Teresa ; Pugh, Coleen ; Soucek, Mark D. ( January 2023 , Chemosphere)
2. Fluid‐structure interaction simulations of venous valves: A monolithic ALE method for large structural displacements

   https://doi.org/10.1002/cnm.3156  

   Calandrini, Sara ; Aulisa, Eugenio ( October 2018 , International Journal for Numerical Methods in Biomedical Engineering)

   Venous valves are bicuspidal valves that ensure that blood in veins only flows back to the heart. To prevent retrograde blood flow, the two intraluminal leaflets meet in the center of the vein and occlude the vessel. In fluid‐structure interaction (FSI) simulations of venous valves, the large structural displacements may lead to mesh deteriorations and entanglements, causing instabilities of the solver and, consequently, the numerical solution to diverge. In this paper, we propose an arbitrary Lagrangian‐Eulerian (ALE) scheme for FSI simulations designed to solve these instabilities. A monolithic formulation for the FSI problem is considered, and due to the complexity of the operators, the exact Jacobian matrix is evaluated using automatic differentiation. The method relies on the introduction of a staggered in time velocity to improve stability, and on fictitious springs to model the contact force of the valve leaflets. Because the large structural displacements may compromise the quality of the fluid mesh as well, a smoother fluid displacement, obtained with the introduction of a scaling factor that measures the distance of a fluid element from the valve leaflet tip, guarantees that there are no mesh entanglements in the fluid domain. To further improve stability, a streamline upwind Petrov‐Galerkin (SUPG) method is employed. The proposed ALE scheme is applied to a two‐dimensional (2D) model of a venous valve. The presented simulations show that the proposed method deals well with the large structural displacements of the problem, allowing a reconstruction of the valve behavior in both the opening and closing phase.

    

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3. Method Development for Separation and Analysis of Tire and Road Wear Particles from Roadside Soil Samples

   https://doi.org/10.1021/acs.est.2c03695  

   Thomas, Jomin ; Moosavian, Seyed Kasra ; Cutright, Teresa ; Pugh, Coleen ; Soucek, Mark D. ( September 2022 , Environmental Science & Technology)
4. Acoustic Metasurface-Aided Broadband Noise Reduction in Automobile Induced by Tire-Pavement Interaction

   https://doi.org/10.3390/ma14154262  

   Heo, Hyeonu ; Sofield, Mathew ; Ju, Jaehyung ; Neogi, Arup ( August 2021 , Materials)

   null (Ed.)

   The primary noise sources of the vehicle are the engine, exhaust, aeroacoustic noise, and tire–pavement interaction. Noise generated by the first three factors can be reduced by replacing the combustion engine with an electric motor and optimizing aerodynamic design. Currently, a dominant noise within automobiles occurs from the tire–pavement interaction over a speed of 70–80 km/h. Most noise suppression efforts aim to use sound absorbers and cavity resonators to narrow the bandwidth of acoustic frequencies using foams. We demonstrate a technique utilizing acoustic metasurfaces (AMSes) with high reflective characteristics using relatively lightweight materials for noise reduction without any change in mechanical strength or weight of the tire. A simple technique is demonstrated that utilizes acoustic metalayers with high reflective characteristics using relatively lightweight materials for noise reduction without any change in mechanical strength or weight of the tire. The proposed design can significantly reduce the noise arising from tire–pavement interaction over a broadband of acoustic frequencies under 1000 Hz and over a wide range of vehicle speeds using a negative effective dynamic mass density approach. The experiment demonstrated that the sound transmission loss of AMSes is 2–5 dB larger than the acoustic foam near the cavity mode, at 200–300 Hz. The proposed approach can be extended to the generalized area of acoustic and vibration isolation. 

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5. Review of modeling methods of compressed snow-tire interaction

   https://doi.org/10.1016/j.jterra.2022.10.004  

   Surkutwar, Yogesh ; Sandu, Corina ; Untaroiu, Costin ( February 2023 , Journal of Terramechanics)