Recent Submissions

  • Modified state observer based adaptive control law for general aviation and micro aerial vehicles 

    Subba Reddiar Pappu, Venkatasubramani (Wichita State University, 2014-07)
    The aim of this research is to assess the capability of Modified State Observer (MSO) based adaptations for use in controlling the longitudinal flight dynamics of a General Aviation (GA) type airplane and a Micro Aerial ...
  • Cure-induced residual stresses in a notched laminate 

    Febrinaldy, Budi (Wichita State University, 2014-07)
    The cure-induced residual stresses in the vicinity of the free edge of an open hole in IM7/977-2 carbon/epoxy laminates have been investigated. Holes in laminated structures are intended for fastener joints, access ports ...
  • Feasibility of morphing aircraft propeller blades 

    Dorfling, Johann (Wichita State University, 2014-07)
    The aim of this study is to assess the feasibility of variable geometry aircraft propeller blades, the main focus being on the aerodynamic performance. A number of objectives are established to reach this goal, with the ...
  • Development of a high-order solver for blood flow 

    Khurshid, Hassan; Hoffmann, Klaus A. (Springer International Publishing AG, 2015-01)
    A high-order solver for the blood flow is developed and analyzed using a two-dimensional backward-facing step. In the first part, a Newtonian steady code to solve the incompressible Navier-Stokes (N-S) equations has been ...
  • Editorial: Message from SAMPE's global president 

    Vizzini, Anthony (SAMPE Publishers, 2015-01)
    I grew up in SAMPE during the '90s when the glamour of the past was a constant reminder of what had been and in the 00s when the very essence of SAMPE was in peril. Individuals took action and saved our society. In the ...
  • Perfectly matched layer boundary condition for two-dimensional Euler equations in generalized coordinate system 

    Velu, Srinivasa Perumal; Hoffmann, Klaus A. (Taylor & Francis Group, 2014-07-03)
    In the past, perfectly matched layer (PML) equations have been constructed in Cartesian and spherical coordinates. In this article, the focus is on the development of a PML absorbing technique for treating numerical ...
  • Performance metrics for tiltrotor flight dynamics during the transition regime 

    Sunkara, Vishwamithra Reddy; Nobleheart, Wilfred; Chakravarthy, Animesh (American Institute of Aeronautics and Astronautics, 2014-11)
    For control system design purposes, desirable locations of short period and phugoid poles with their respective damping factors and natural frequencies are specified for fixed-wing aircraft in U.S. Department of Defense ...
  • Editorial: Message from SAMPE's global president 

    Vizzini, Anthony (SAMPE Publishers, 2014-11)
    I have been a member of SAMPE for 27 years. During that time, my professional network and my participation in the society has grown. I began by going to local chapter meetings, then I went to conferences in the United ...
  • Effects of large damage on residual strength of carbon fiber reinforced composite laminates 

    Zanial, Muhammad Munir (Wichita State University, 2014-05)
    Tension or compression fracture behavior studies are normally initiated with open hole tension or compression tests performed at the laminate level. While these test data serve as an excellent starting point in residual ...
  • Analytical modification of the V-notched rail shear test apparatus for dynamic testing 

    Tatipalli, Vinila Rao (Wichita State University, 2014-05)
    Dynamic testing is required in structural engineering applications to characterize material properties over a wide range of strain rates and temperatures. One of the major concerns to obtain accurate data during dynamic ...
  • Quaternion-Based Coordinates for Nonsingular modeling of high-inclination orbital transfer 

    Libraro, Paola; Kasdin, N. Jeremy; Choueiri, Edgar Y.; Dutta, Atri (American Institute of Aeronautics and Astronautics, 2014-09)
    Recently, the potential of electric propulsion (EP) for orbit transfer of scientific or commercial satellites has begun to be recognized both by satellite manufacturers and providers [1,2]. The increasing interest in EP ...
  • Editorial: Message from SAMPE's global president 

    Vizzini, Anthony (SAMPE Publishers, 2014-09)
    SAMPE was born among nine individuals working in the aerospace industry in Southern California, a likely place in 1944 for rising concerns on the lack of focus on materials and processing within their industry. It was ...
  • Single network adaptive critic aided dynamic inversion for optimal regulation and command tracking with online adaptation for enhanced robustness 

    Lakshmikanth, Geethalakshmi S.; Padhi, Radhakant; Watkins, John Michael; Steck, James E. (John Wiley & Sons, Inc., 2014-07)
    To combine the advantages of both stability and optimality-based designs, a single network adaptive critic (SNAC) aided nonlinear dynamic inversion approach is presented in this paper. Here, the gains of a dynamic inversion ...
  • Operational assessment of heavy air tankers 

    Rokhsaz, Kamran; Kliment, Linda K.; Nelson, John; Newcomb, James (American Institute of Aeronautics and Astronautics, 2014-01)
    Flight data collected by various P2V and P3A air tankers in actual operation over several seasons have been used to construct statistical information on aircraft usage and maneuver load spectra in this role. The data used ...
  • Editorial: Message from SAMPE's global president 

    Vizzini, Anthony (SAMPE Publishers, 2014-07)
    A message from SAMPE'S global president: The last time I wrote this note, I was ending my tenure as the International President of SAMPE. I am now writing as the Global President of SAMPE. So much has occurred in the world ...
  • Crushing behavior of corrugated laminated beams at different stroke rates 

    Tan, Kian Yip (Wichita State University, 2013-12)
    Crashworthiness has become an important aspect in vehicle design due to the stringent requirements on occupant safety under survivable accident scenarios. The uses of composite materials have increased due to their ...
  • The development of the dynamic mechanical analyzer (DMA) calibraton and testing procedures 

    Opliger, Matthew S. (Wichita State University, 2013-12)
    Dynamic mechanical analysis (DMA) is the most preferred thermal analysis technique for determining the glass transition temperature (Tg) of polymer matrix composites because it is more sensitive to Tg measurements than ...
  • Response and recovery of an MRAC adaptive flight control system to adverse atmospheric encounters 

    Rafi, Melvin (Wichita State University, 2013-12)
    Safety in air transport has always been of paramount importance. The very nature of aircraft navigating through the atmosphere brings with it associated risks and dangers. Some of these dangers are manifested in the form ...
  • Analysis of F-duct drag reduction system in Formula 1 

    Raul, Vishal Vinod (Wichita State University, 2013-12)
    During the Formula 1 auto racing season of 2010, team McLaren developed an aerodynamic device called an F-Duct. This device was an ingenious way of out-thinking the regulations of the Federation Internationale de l'Automobile ...
  • Nonlinear dynamic inversion control of a miniature morphing aircraft 

    Aponso, Gayanath Tharaka Goniyamalimige (Wichita State University, 2013-12)
    This thesis investigates the feasibility of using Dynamic Inversion to develop control laws for time varying systems, specifically Miniature Morphing Air Vehicles. Two Linear Time Varying systems are investigated namely a ...

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