Now showing items 231-250 of 279

    • Seasonal changes in morphology govern wettability of Katsura leaves 

      Kang, Hosung; Graybill, Philip M.; Fleetwood, Sara; Boreyko, Jonathan B.; Jung, Sunghwan (PLOS, 2018-09-27)
      Deciduous broad-leaf trees survive and prepare for winter by shedding their leaves in fall. During the fall season, a change in a leaf's wettability and its impact on the leaf-fall are not well understood. In this study, ...
    • Seismic control of a SDOF structure through electromagnetic resonant shunt tuned mass-damper-inerter and the exact H-2 optimal solutions 

      Sun, Hongxin; Luo, Yifan; Wang, Xiuyong; Zuo, Lei (2017-05)
      This paper proposes a novel inerter-based component dynamic vibration absorber, namely, electromagnetic resonant shunt tuned mass-damper-inerter (ERS-TMDI). To analyze the performances of the ERS-TMDI, the combined ERS-TMDI ...
    • Self-biased converse magnetoelectric effect 

      Yang, Su-Chul; Cho, Kyung-Hoon; Park, Chee-Sung; Priya, Shashank (AIP Publishing, 2011-11-01)
      In this letter, we investigate the direct magnetoelectric (DME) and converse magnetoelectric (CME) effects in three-phase metal-ceramic laminate composites. Longitudinally poled and transversely magnetized (L-T) laminate ...
    • Sensitivity analysis for feedforward control system design 

      Rodriguez, Hector M.; Burdisso, Ricardo A. (Acoustical Society of America, 1995-12-01)
      A sensitivity analysis for feedforward-controlled finite domain systems is presented. Using an analytical approach, the sensitivity of a controlled system to variations in the design variables of the control inputs and the ...
    • Sensor Fusion and State Estimation of IoT Enabled Wind Energy Conversion System 

      Noor-A-Rahim, Md.; Khyam, M. O.; Li, Xinde; Pesch, Dirk (MDPI, 2019-04-01)
      The use of renewable energy has increased dramatically over the past couple of decades. Wind farms, consisting of wind turbines, play a vital role in the generation of renewable energy. For monitoring and maintenance ...
    • Shared and Distributed X-in-the-Loop Tests for Automotive Systems: Feasibility Study 

      Schreiber, Viktor; Ivanov, Valentin; Augsburg, Klaus; Noack, Matti; Shyrokau, Barys; Sandu, Corina; Els, Pieter Schalk (IEEE, 2018)
      X-in-the-loop (XIL) technologies are receiving increased attention in modern automotive development processes. In particular, collaborative experiments, such as XIL tools, have efficient applications in the design of ...
    • A Simple Model for the Average Local Entrainment Rate 

      Dancey, Clinton L. (AIP Publishing, 1986-07-01)
      A new expression for the mean local entrainment rate in a turbulent intermittent flow is obtained. This expression is used to obtain a simple model for the entrainment rate assuming that an indicator function can be defined ...
    • 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 ...
    • Smart foam for applications in passive-active radiation control 

      Gentry, C. A.; Guigou, Catherine; Fuller, Chris R. (Acoustical Society of America, 1997-04-01)
      The development of a smart foam for passive-active noise control is discussed. The smart foam consists of cylindrically curved sections of PVDF film embedded in partially reticulated polyurethane acoustic foam forming a ...
    • Some Trends in Quantum Thermodynamics 

      von Spakovsky, Michael R.; Gemmer, Jochen (MDPI, 2014-06-23)
      Traditional answers to what the 2nd Law is are well known. Some are based on the microstate of a system wandering rapidly through all accessible phase space, while others are based on the idea of a system occupying an ...
    • Sound transmission between absorbing parallel planes 

      Hurst, Charles J.; Mitchell, Larry D. (Acoustical Society of America, 1976)
      Partially absorbing parallel surfaces can be dominant acoustical feature of many rooms. The sound fields in such rooms are not diffuse, which causes difficulty in predicting sound pressure levels. A method is developed for ...
    • Sound transmission between absorbing parallel planes 

      Hurst, Charles J. (Acoustical Society of America, 1980-01-01)
      Partially absorbing parallel surfaces can be the dominant acoustical feature of many rooms. The sound fields in such rooms are not diffuse, which causes difficulty in predicting sound pressure levels. A method is developed ...
    • Spun-wrapped aligned nanofiber (SWAN) lithography for fabrication of micro/nano-structures on 3D objects 

      Ye, Zhou; Nain, Amrinder S.; Behkam, Bahareh (Royal Society of Chemistry, 2016-06-01)
      Fabrication of micro/nano-structures on irregularly shaped substrates and three-dimensional (3D) objects is of significant interest in diverse technological fields. However, it remains a formidable challenge thwarted by ...
    • The stochastic dynamics of rectangular and V-shaped atomic force microscope cantilevers in a viscous fluid and near a solid boundary 

      Clark, M. T.; Paul, Mark R. (American Institute of Physics, 2008-05-01)
      Using a thermodynamic approach based upon the fluctuation-dissipation theorem, we quantify the stochastic dynamics of rectangular and V-shaped microscale cantilevers immersed in a viscous fluid. We show that the stochastic ...
    • The stochastic dynamics of tethered microcantilevers in a viscous fluid 

      Robbins, Brian A.; Radiom, Milad; Ducker, William A.; Walz, John Y.; Paul, Mark R. (American Institute of Physics, 2014-10-28)
      We explore and quantify the coupled dynamics of a pair of micron scale cantilevers immersed in a viscous fluid that are also directly tethered to one another at their tips by a spring force. The spring force, for example, ...
    • Stochastic simulation of enzyme-catalyzed reactions with disparate timescales 

      Barik, D.; Paul, Mark R.; Baumann, W. T.; Cao, Y.; Tyson, John J. (CELL PRESS, 2008-10-01)
      Many physiological characteristics of living cells are regulated by protein interaction networks. Because the total numbers of these protein species can be small, molecular noise can have significant effects on the dynamical ...
    • Stopping power beyond the adiabatic approximation 

      Caro, M.; Correa, A. A.; Artacho, E.; Caro, A. (Springer Nature, 2017-06-01)
      Energetic ions traveling in solids deposit energy in a variety of ways, being nuclear and electronic stopping the two avenues in which dissipation is usually treated. This separation between electrons and ions relies on ...
    • Stretchable sensors for environmental monitoring 

      Yang, Yang; Deng, Zhiqun Daniel (2019-03)
      The development of flexible and stretchable sensors has been receiving increasing attention in recent years. In particular, stretchable, skin-like, wearable sensors are desirable for a variety of potential applications ...
    • Structural-acoustic control system design by multi-level optimization 

      Rodriguez, Hector M.; Burdisso, Ricardo A. (Acoustical Society of America, 1998-08-01)
      A multi-level optimization approach for the design of feedforward active structural acoustic control (ASAC) systems is presented. The formulation takes advantage that both the structural response and the acoustic radiation ...
    • 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 ...