Research articles, presentations, and other scholarship

Recent Submissions

  • Multi-material Additive Manufacturing of Metamaterials with Giant, Tailorable Negative Poisson's Ratios 

    Chen, Da; Zheng, Xiaoyu (Springer Nature, 2018-06-14)
    Nature has evolved with a recurring strategy to achieve unusual mechanical properties through coupling variable elastic moduli from a few GPa to below KPa within a single tissue. The ability to produce multi-material, ...
  • Revised partial coupling in fluid–particulate systems 

    Elghannay, Husam A.; Tafti, Danesh K. (Sage, 2018-08-04)
    Fluid equations in Computational Fluid Dynamics coupled with Discrete Element Method (CFD-DEM) simulations solve the volume-averaged Navier–Stokes equations. Full coupling between the dispersed phase and continuous phase ...
  • Influencing Parameters on Tire–Pavement Interaction Noise: Review, Experiments, and Design Considerations 

    Li, Tan (MDPI, 2018-10-18)
    Tire–pavement interaction noise (TPIN) is dominant for passenger vehicles above 40 km/h and 70 km/h for trucks. In order to reduce TPIN, numerous investigations have been conducted to reveal the influencing parameters. ...
  • Noseleaf Dynamics during Pulse Emission in Horseshoe Bats 

    Feng, Lin; Gao, Li; Lu, Hongwang; Mueller, Rolf (PLOS, 2012-05-04)
    Horseshoe bats emit their biosonar pulses nasally and diffract the outgoing ultrasonic waves by conspicuous structures that surrounded the nostrils. Here, we report quantitative experimental data on the motion of a prominent ...
  • Dynamic, Nondestructive Imaging of a Bioengineered Vascular Graft Endothelium 

    Whited, Bryce M.; Hofmann, Matthias C.; Lu, Peng; Xu, Yong; Rylander, Christopher G.; Wang, Ge; Sapoznik, Etai; Criswell, Tracy; Lee, Sang Jin; Soker, Shay; Rylander, Marissa Nichole (PLOS, 2013-04-09)
    Bioengineering of vascular grafts holds great potential to address the shortcomings associated with autologous and conventional synthetic vascular grafts used for small diameter grafting procedures. Lumen endothelialization ...
  • Flexible Margin Kinematics and Vortex Formation of Aurelia aurita and Robojelly 

    Villanueva, Alex; Vlachos, Pavlos; Priya, Shashank (PLOS, 2014-06-06)
    The development of a rowing jellyfish biomimetic robot termed as “Robojelly”, has led to the discovery of a passive flexible flap located between the flexion point and bell margin on the Aurelia aurita. A comparative ...
  • Tunable Collagen I Hydrogels for Engineered Physiological Tissue Micro-Environments 

    Antoine, Elizabeth E.; Vlachos, Pavlos P.; Rylander, Marissa N. (PLOS, 2015-03-30)
    Collagen I hydrogels are commonly used to mimic the extracellular matrix (ECM) for tissue engineering applications. However, the ability to design collagen I hydrogels similar to the properties of physiological tissues has ...
  • Lancet Dynamics in Greater Horseshoe Bats, Rhinolophus ferrumequinum 

    He, Weikai; Pedersen, Scott C.; Gupta, Anupam K.; Simmons, James A.; Mueller, Rolf (PLOS, 2015-04-08)
    Echolocating greater horseshoe bats (Rhinolophus ferrumequinum) emit their biosonar pulses nasally, through nostrils surrounded by fleshy appendages (‘noseleaves’) that diffract the outgoing ultrasonic waves. Movements of ...
  • Combinatory Finite Element and Artificial Neural Network Model for Predicting Performance of Thermoelectric Generator 

    Kishore, Ravi Anant; Mahajan, Roop L.; Priya, Shashank (MDPI, 2018-08-24)
    Thermoelectric generators (TEGs) are rapidly becoming the mainstream technology for converting thermal energy into electrical energy. The rise in the continuous deployment of TEGs is related to advancements in materials, ...
  • Turbine Blade Tip External Cooling Technologies 

    Xue, Song; Ng, Wing F. (MDPI, 2018-08-26)
    This article provides an overview of gas turbine blade tip external cooling technologies. It is not the intention to comprehensively review all the publications from past to present. Instead, selected reports, which represent ...
  • Nature-Inspired Hierarchical Steels 

    Cao, Shan Cecilia; Liu, Jiabin; Zhu, Linli; Li, Ling; Dao, Ming; Lu, Jian; Ritchie, Robert O. (Nature Publishing Group, 2018-03-23)
    Materials can be made strong, but as such they are often brittle and prone to fracture when under stress. Inspired by the exceptionally strong and ductile structure of byssal threads found in certain mussels, we have ...
  • A Doppler-Tolerant Ultrasonic Multiple Access Localization System for Human Gait Analysis 

    Ashhar, Karalikkadan; Khyam, Mohammad Omar; Soh, Cheong Boon; Kong, Keng He (MDPI, 2018-07-27)
    Ranging based on ultrasonic sensors can be used for tracking wearable mobile nodes accurately for a long duration and can be a cost-effective method for human movement analysis in rehabilitation clinics. In this paper, we ...
  • Additive manufacturing of complex micro-architected graphene aerogels 

    Hensleigh, Ryan M.; Cui, Huachen; Oakdale, James S.; Ye, Jianchao C.; Campbell, Patrick G.; Duoss, Eric B.; Spadaccini, Christopher M.; Zheng, Xiaoyu; Worsley, Marcus A. (Royal Society of Chemistry, 2018-08-13)
    3D graphene foams exhibit immense degradation of mechanical properties. Micro-architecture can alleviate this problem, but no current technique meets the manufacturing requirements. Herein we developed a light-based 3D ...
  • DNA-graphene interactions during translocation through nanogaps 

    Patel, Hirai N.; Carroll, Ian; Lopez, Rodolfo, Jr.; Sankararaman, Sandeep; Etienne, Charles; Kodigala, Subba Ramaiah; Paul, Mark R.; Postma, Henk W. Ch. (PLOS, 2017-02-03)
    We study how double-stranded DNA translocates through graphene nanogaps. Nanogaps are fabricated with a novel capillary-force induced graphene nanogap formation technique. DNA translocation signatures for nanogaps are ...
  • A simplified model of biosonar echoes from foliage and the properties of natural foliages 

    Ming, Chen; Zhu, Hongxiao; Müller, Rolf (PLOS, 2017-12-14)
    Foliage echoes could play an important role in the sensory ecology of echolocating bats, but many aspects of their sensory information content remain to be explored. A realistic numerical model for these echoes could support ...
  • Structure and Dynamics of Polymeric Canopies in Nanoscale Ionic Materials: An Electrical Double Layer Perspective 

    Yu, Zhou; Yang, Fenchang; Dai, Sheng; Qiao, Rui (Nature, 2018-03-26)
    Nanoscale ionic materials (NIMs) are an emerging class of materials consisting of charged nanoparticles and polymeric canopies attaching to them dynamically by electrostatic interactions. Using molecular simulations, we ...
  • Development of the WinSMASH 2010 Crash Reconstruction Code 

    Gabler, Hampton C.; Hampton, Carolyn; Johnson, Nicholas (U.S. Department of Transportation, National Highway Traffic Safety Administration (NHTSA), 2012-07)
    This report describes the development of WinSMASH2010, an extensive update and enhancement to the WinSMASH crash reconstruction code. The specific objectives were (1) to correct known programming bugs in the original ...
  • Efficient Direct-Drive Small-Scale Low-Speed Wind Turbine 

    Kishore, Ravi Anant; Marin, Anthony; Priya, Shashank (De Gruyter, 2014)
    There is growing need for the green, reliable, and cost-effective power solution for the expanding wireless microelectronic devices. In many scenarios, these needs can be met through a small-scale wind energy portable ...
  • Radiation Search Operations using Scene Understanding with Autonomous UAV and UGV 

    Christie, Gordon; Shoemaker, Adam; Kochersberger, Kevin; Tokekar, Pratap; McLean, Lance; Leonessa, Alexander (Virginia Tech, 2016-08-31)
    Autonomously searching for hazardous radiation sources requires the ability of the aerial and ground systems to understand the scene they are scouting. In this paper, we present systems, algorithms, and experiments to ...
  • A computational model for biosonar echoes from foliage 

    Ming, Chen; Gupta, Anupam Kumar; Lu, Ruijin; Zhu, Hongxiao; Müller, Rolf (PLOS, 2017-08-17)
    Since many bat species thrive in densely vegetated habitats, echoes from foliage are likely to be of prime importance to the animals’ sensory ecology, be it as clutter that masks prey echoes or as sources of information ...

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