The Virginia Tech Mechanical Engineering Department serves its students, alumni, the Commonwealth of Virginia, and the nation through a variety of academic, research and service activities. Our missions are to: holistically educate our students for professional leadership as creative problem-solvers in a diverse society, conduct advanced research for societal advancement, train graduate students for scholarly inquiry, and engage with alumni, industry, government, and community partners through outreach activities. In order to produce engineers prepared for success across a range of career paths, our academic program integrates training in engineering principles, critical thinking, hands-on projects, open-ended problem solving, and the essential skills of teamwork, communication, and ethics.

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  • Uncertainty Quantification for Ti-7Al Alloy Microstructure with an Inverse Analytical Model (AUQLin) 

    Acar, Pınar (MDPI, 2019-05-31)
    The present study addresses an inverse problem for observing the microstructural stochasticity given the variations in the macro-scale material properties by developing an analytical uncertainty quantification (UQ) model ...
  • Comparative Study on Steady and Unsteady Flow in a Centrifugal Compressor Stage 

    Kim, Changhee; Son, Changmin (Hindawi, 2019-06-09)
    Steady Reynolds-averaged Navier-Stokes (RANS) simulation with the mixing-plane approach is the most common procedure to obtain the performance of a centrifugal compressor in an industrial development process. However, the ...
  • 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, ...
  • 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 ...
  • Delay-Universal Channel Coding With Feedback 

    Noor-A-Rahim, Md; Khyam, M. O.; Guan, Yong Liang; Ali, G. G. Md Nawaz; Nguyen, Khoa D.; Lechner, Gottfried (IEEE, 2018)
    In this paper, the design of error-correcting or channel codes for delay-universal/anytime communication is shown while considering systems with and without a feedback link. We construct practical and low complexity anytime ...
  • Mathematical Strategies for Design Optimization of Multiphase Materials 

    Catania, Rick; Diraz, Abdalla; Maier, Dominic; Tagle, Armani; Acar, Pınar (Hindawi Publishing Corp, 2019-03-12)
    This work addresses various mathematical solution strategies adapted for design optimization of multiphase materials. The goal is to improve the structural performance by optimizing the distribution of multiple phases that ...
  • Accelerometer Based Method for Tire Load and Slip Angle Estimation 

    Singh, Kanwar Bharat; Taheri, Saied (MDPI, 2019-04-28)
    Tire mounted sensors are emerging as a promising technology, capable of providing information about important tire states. This paper presents a survey of the state-of-the-art in the field of smart tire technology, with a ...
  • Momentum, Spring 2019 

    Unknown author (Virginia Tech, 2019)
    This is the Spring 2019 issue of Momentum, the quarterly magazine of the Department of Mechanical Engineering at Virginia Tech. Each issue looks at research, faculty, students, awards and what's going on in the department.
  • Mechanical Engineering 2018 Annual Report 

    Unknown author (Virginia Tech, 2018)
    A comprehensive look at the Virginia Tech Department of Mechanical Engineering and its accomplishments in 2018.
  • 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 ...
  • Functional compartmentalization in the hemocoel of insects 

    Pendar, Hodjat; Aviles, Jessica; Adjerid, Khaled; Schoenewald, Caroline; Socha, John J. (Springer Nature, 2019-04-15)
    The insect circulatory system contains an open hemocoel, in which the mechanism of hemolymph flow control is ambiguous. As a continuous fluidic structure, this cavity should exhibit pressure changes that propagate quickly. ...
  • Modeling and analysis of a high-displacement pneumatic artificial muscle with integrated sensing 

    Yang, H.D.; Greczek, B.T.; Asbeck, A.T. (Frontiers Media S.A., 2019-01-07)
    We present a high-displacement pneumatic artificial muscle made of textiles or plastics that can include integrated electronics to sense its pressure and displacement. Compared to traditional pneumatic muscle actuators ...
  • Multi-scale computational modeling of lightweight aluminum-lithium alloys 

    Acar, P. (Elsevier Ltd, 2019-03-07)
    The present study addresses the multi-scale computational modeling of a lightweight Aluminum-Lithium (Al-Li) 2070 alloy. The Al-Li alloys display significant anisotropy in material properties because of their strong ...
  • A Robotic Head Stabilization Device for Medical Transport 

    Williams, Adam; Sebastian, Bijo; Ben-Tzvi, Pinhas (MDPI, 2019-03-25)
    In this paper, the design and control of a robotic device intended to stabilize the head and neck of a trauma patient during transport are presented. When transporting a patient who has suffered a traumatic head injury, ...
  • CH4 Adsorption Probability on GaN(0001) and (000−1) during Metalorganic Vapor Phase Epitaxy and Its Relationship to Carbon Contamination in the Films 

    Kusaba, Akira; Li, Guanchen; Kempisty, Pawel; von Spakovsky, Michael R.; Kangawa, Yoshihiro (MDPI, 2019-03-23)
    Suppression of carbon contamination in GaN films grown using metalorganic vapor phase epitaxy (MOVPE) is a crucial issue in its application to high power and high frequency electronic devices. To know how to reduce the C ...
  • A Multi-Path Compensation Method for Ranging in Wearable Ultrasonic Sensor Networks for Human Gait Analysis 

    Ashhar, Karalikkadan; Khyam, Mohammad Omar; Soh, Cheong Boon (MDPI, 2019-03-18)
    Gait analysis in unrestrained environments can be done with a single wearable ultrasonic sensor node on the lower limb and four fixed anchor nodes. The accuracy demanded by such systems is very high. Chirp signals can ...
  • Microfluidic reactors for advancing the MS analysis of fast biological responses 

    Lazar, I.M.; Deng, J.; Stremler, M.A.; Ahuja, S. (Nature Publishing Group, 2019-02-11)
    The response of cells to physical or chemical stimuli is complex, unfolding on time-scales from seconds to days, with or without de novo protein synthesis, and involving signaling processes that are transient or sustained. ...
  • Double helical conformation and extreme rigidity in a rodlike polyelectrolyte 

    Wang, Y.; He, Y.; Yu, Z.; Gao, J.; ten, Brinck S.; Slebodnick, C.; Fahs, G.B.; Zanelotti, C.J.; Hegde, M.; Moore, R.B.; Ensing, B.; Dingemans, T.J.; Qiao, R.; Madsen, L.A. (Nature Publishing Group, 2019-02-18)
    The ubiquitous biomacromolecule DNA has an axial rigidity persistence length of ~50 nm, driven by its elegant double helical structure. While double and multiple helix structures appear widely in nature, only rarely are ...
  • Processing method for grain-oriented lead-free piezoelectric Na0.5Bi0.5TiO3—BaTiO3 ceramics exhibiting giant performance 

    Virginia Tech Intellectual Properties, Inc.; Priya, Shashank; Maurya, Deepam (United States Patent and Trademark Office, 2017-09-26)
    Textured ceramic compositions having improved piezoelectric characteristics as compared with their random counterparts are provided. Methods of making the compositions and devices using them are also included. More ...
  • Imparting motion to a test object such as a motor vehicle in a controlled fashion with improved accuracy 

    Virginia Tech Intellectual Properties, Inc.; Roehrig Engineering, Inc.; Southward, Stephen C.; Reubush, Chandler; Pittman, Bryan; Roehrig, Kurt; Gerard, Doug (United States Patent and Trademark Office, 2017-05-09)
    An apparatus imparts motion to a test object such as a motor vehicle in a controlled fashion. A base has mounted on it a linear electromagnetic motor having a first end and a second end, the first end being connected to ...

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