Now showing items 1-20 of 52

    • Prediction of the Pantograph/Catenary Wear using Nonlinear Multibody System Dynamic Algorithms 

      Daocharoenporn, Siripong; Mongkolwongrojn, Mongkol; Kulkarni, Shubhankar; Shabana, Ahmed, A. (American Society of Mechanical Engineers, 2019-01-10)
      n this investigation, computational multibody systems (MBS) algorithms are used to develop detailed railroad vehicle models for the prediction of the wear resulting from the pantograph/catenary dynamic interaction. The ...
    • A New Method for Embedding Predefined Interfaces in Finite Elements 

      Foster, C.D.; Weed, D.A. (Elsevier, 2019-03)
      A new method for embedding predefined interfaces within an arbitrary finite element mesh is proposed and demonstrated. The algorithm for generating these predefined surfaces is detailed and sub- sequently applied to, but ...
    • Programmable Soft Robotics Based on Nano-Textured Thermo-Responsive Actuators 

      Kang, Dong Jin; An, Seongpil; Yarin, Alexander, L.; Anand, Sushant (Royal Society of Chemistry, 2019-01-23)
      Soft robotic systems are increasingly emerging as robust alternatives to conventional robotics. Here, we demonstrate the development of programmable soft actuators based on volume expansion/retraction accompanying liquid-vapor ...
    • Theoretical, numerical, and experimental investigation of smoke dynamics in high-rise buildings 

      Ahn, Chan-Sol; Bang, Boo-Hyoung; Kim, Min-Woo; James, Scott, C.; Yarin, Alexander, L.; Yoon, Sam, S. (Elsevier, 2019-03-07)
      Smoke kills more people than its associated fire and thus predicting smoke spreading inside high-rise buildings is of paramount importance to structural and safety engineers. Here, the velocity, temperature, and concentration ...
    • On the Nature of the Superspreaders 

      Sankaran, Abhilash; Karakashev, Stoyan, I.; Sett, Soumyadip; Grozev, Nikolay; Yarin, Alexander, L. (Elsevier, 2019-01)
      This is a review article on the basic and the latest achievements on superspreading. The complete and fast spreading of droplets on many surfaces in the nature is a special phenomenon discovered in 1960-ies. Intensive ...
    • Low Power Restricted Boltzmann Machine Using Mixed-Mode Magneto-Tunneling Junctions 

      Nasrin, Shamma; Drobitch, Justine, L.; Bandyopadhyay, Supriyo; Trivedi, Amit Ranjan (Institute of Electrical and Electronics Engineers (IEEE), 2019-01)
      This letter discusses mixed-mode magneto tunneling junction (m-MTJ)-based restricted Boltzmann machine (RBM). RBMs are unsupervised learning mod- els, suitable for extracting features from high-dimensional data. The m-MTJ ...
    • Microscopic details of asphaltenes aggregation onset during waterflooding 

      Yaseen, Salah; Mansoori, G. Ali (Taylor & Francis, 2019-01-12)
      We report detailed microscopic studies of asphaltenes aggregation onset during waterflooding of petroleum reservoirs. To achieve this objective, a series of simulations are performed on asphaltenic-oil miscibilized with ...
    • Phytoremediation of Heavy Metals and PAHs at Slag Fill Site: Three-Year Field-Scale Investigation 

      Reddy, Krishna, R.; Amaya-Santos, Gema; Yargicoglu, Erin; Cooper, Daniel, E.; Negri, M, Cristina (Taylor & Francis, 2017-04-17)
      Big Marsh is a 121-hectares site, representative of many other sites in the Calumet region (near Chicago, IL, USA), which has been significantly altered by the steel industry and decades of legal and illegal dumping and ...
    • Orthogonal liquid-jet impingement on wettability-patterned impermeable substrates 

      Sen, Uddalok; Chatterjee, Souvick; Crockett, Julie; Ganguly, Ranjan; Yu, Lisha; Megaridis, Constantine, M. (American Physical Society, 2019-01-18)
      Liquid-jet impingement on flat impermeable substrates is important for a multitude of applications ranging from electronic-equipment cooling to fuel atomization and erosion of solid surfaces. On a wettable horizontal ...
    • MACHINE LEARNING FOR CONTINUOUS LIQUID INTERFACE PRODUCTION: PRINTING SPEED MODELLING 

      He, Haiyang; Yang, Yang; Pan, Yayue (SAGE Publications, 2019-01)
      Continuous Liquid Interface Production (CLIP), a variant of vat photopolymerization additive manufacturing, can achieve build speeds an order of magnitude faster than conventional layer-by-layer stereolithography process. ...
    • Magnetic treatment of petroleum and its relation with asphaltene aggregation (An atomistic investigation) 

      Khalaf, Mohammed, H.; Mansoori, G. Ali; Yong, Chin, W. (Elsevier, 2019-01)
      Magnetic treatment is often used in certain oil industries for alterations in petroleum rheological properties. In this report we introduce the scientific basis for the role of magnetic treatment on the onset of asphaltenes ...
    • Microscopic details of asphaltenes aggregation onset during waterflooding 

      Yaseen, Salah; Mansoori, G.Ali (Taylor & Francis, 2019-01-12)
      We report detailed microscopic studies of asphaltenes aggregation onset during waterflooding of petroleum reservoirs. To achieve this objective, a series of simulations are performed on asphaltenic-oil miscibilized with ...
    • An approach to designing sustainable urban infrastructure 

      Derrible, Sybil (Cambridge University Press (CUP), 2019-01-09)
      For more than 10,000 years, cities have evolved continuously, often shaped by the challenges they had to face. Similarly, we can imagine that cities will have to evolve again in the future to address their current challenges. ...
    • Glare Screen Use in Road Design: A Synthesis of the Practice 

      Johnson, Daniel, T.; McDonald, David, R. Jr. (SAGE Publications, 2019-01-19)
      In 2011, TRB Geometric Design Committee (AFB10) drafted a research needs statement to complete an updated synthesis of the practice to the 1979 Glare Screen Guidelines, Synthesis of Highway Practice. This study completes ...
    • Integration of Geometry and Small and Large Deformation Analysis for Vehicle Modelling: Chassis, and Airless and Pneumatic Tyre Flexibility 

      Patel, Mohil, D.; Pappalardo, Carmine, M.; Wang, Gengxiang; Shabana, Ahmed, A. (Inderscience, 2019-01-02)
      The goal of this study is to propose an approach for developing new and detailed vehicle models that include flexible components with complex geometries, including chassis, and airless and pneumatic tires with distributed ...
    • Forced Vibration of a Heated Wire Subjected to Nucleate Boiling 

      Staszel, Christopher; Sinha-Ray, Suman; Yarin, Alexander, L. (Elsevier, 2019-02-01)
      Vapor bubble nucleation during subcooled boiling on thin strip wire heaters and the resultant vibrations are studied experimentally. The results show how the subcooled boiling- induced vibrations (SBIV) are intrinsically ...
    • Coupled Finite Element and Multibody Systems Dynamics Modelling to Investigate the Bridge Approach Problem 

      El-Ghandour, A. I.; Foster, C. D. (SAGE Publications, 2019-02-07)
      Railways are the most common mode of transportation for both people and cargo due to its advantages in economy, safety, and comfort. The finite element method has been broadly used for more than three decades to model the ...
    • Exploiting Machine Learning Against On-Chip Power Analysis Attacks: Tradeoffs and Design Considerations 

      Kenarangi, Farid; Partin-Vaisband, Inna (Institute of Electrical and Electronics Engineers (IEEE), 2018-10)
      Modern power analysis attacks (PAAs) and existing countermeasures pose unique challenges on the design of simultaneously secure, power efficient, and high-performance ICs. In a typical PAA, power information is collected ...
    • Point-Bonded Polymer Nonwovens and Their Rupture in Stretching 

      Staszel, Christopher; Yarin, Alexander, L.; Shim, Eunkyoung; Pourdeyhimi, Behnam; Zhang, Wenshuo (Elsevier, 2018-06-20)
      The work aims at the experimental investigation and theoretical modeling of the physical phenomena responsible for thermal bonding of polymer fibers in nonwovens and their effect on such mechanical properties as the nonwoven ...
    • Wearable Transparent Thermal Sensors and Heaters based on Metal-Plated Fibers and Nanowires 

      Jo, Hong-Seok; Kwon, Hyuk-Jin; Kim, Tae-Gun; Park, Chan-Woo; An, Seongpil; Yarin, Alexander, L.; Yoon, Sam, S. (Royal Society of Chemistry, 2018-10-18)
      Electrospun metal-plated nanofibers and supersonically sprayed nanowires were used to fabricate hybrid films exhibiting superior low sheet resistance and transparency. The films are suitable to serve as thermal sensors and ...