Now showing items 21-40 of 429

    • Airy Stress Function For Two Dimensional Inclusion Problems 

      Kavati, Dharshini Rao (Mechanical Engineering, 2007-08-23)
      This thesis addresses a problem of finding the elastic fields in a two-dimensional body containing an inhomogeneous inclusion using the Airy stress function which is determined so that the prescribed boundary condition at ...
    • Air Jet Impingement For Levitation 

      Huber, James Frederick (Mechanical Engineering, 2007-08-23)
      Traditional part acquisition methods such as vacuum cups and robotic grippers do not meet the handling needs of truly fragile materials, because both of these methods require surface contact. An alternative to these ...
    • Design Optimization And Synthesis Of Manipulators Based On Various Manipulation Indices 

      Bagchi, Sandipak (Mechanical Engineering, 2007-08-23)
      Design optimization of serial manipulators involves striking a balance between an appropriate joint angle and exact link lengths. The optimization technique used in this thesis uses a unique algorithm that optimizes the ...
    • Structural Analysis Of Fiber Reinforced Composite Materials 

      Rojas, Cesar Augusto (Mechanical Engineering, 2007-08-23)
      A study of fiber reinforced composite structures is conducted .This study includes laminate analysis, analysis of laminated composite beams and parametric study of composite beams. Finite element analysis for each beam ...
    • Reliability Of Lead-free Solder Under Cyclic Bending 

      Zahedi, Fahad (Mechanical Engineering, 2007-08-23)
      To characterize particular compositions of lead free solder, four point cyclic bending test was conducted to study the affects of accelerated stress testing on the package to board interconnects. Nine CTBGA packages with ...
    • Analysis Of Tapered Laminated Composite Tubes Under Tension And Torsion 

      Shankara Rao, Chethana (Mechanical Engineering, 2007-08-23)
      Closed form expressions for determining the displacement and twisting angle of tapered composite tubes are developed. The analytical expressions are developed based on the modified laminated plate theory which includes the ...
    • Structural Optimization Using Femlab And Smooth Support Vector Regression 

      Odapally, Divija (Mechanical Engineering, 2007-08-23)
      In recent years support vector machine (SVM) has been emerging as a popular tool for function approximation. Application of SVM for approximation of mathematical functions and complex engineering analysis has been represented ...
    • The Thermal Characteristics Of Liquid-heat-spreader 

      Kwark, Sang Muk (Mechanical Engineering, 2007-08-23)
      The present study is an experimental research of a liquid-heat-spreader (LHS) with saturated water at ~2.29 psia. A LHS, indirect liquid cooling module, was successfully fabricated using thin copper blocks and copper tubes ...
    • Parametric Cycle Analysis For Pulse Detonation Engines 

      Hekiri, Haider (Aerospace Engineering, 2007-08-23)
      The performance of an ejector-driven pulse detonation engine (PDE) with an afterburner is analytically estimated. In the analysis, the PDE was modeled as a straight tube, closed at the front end and open at the other. A ...
    • Uncertainty Characterization Of Orbital Debris 

      Matusewicz, Jolanta (Aerospace Engineering, 2007-08-23)
      The increase of orbital debris in the low Earth orbit is a concern for the space industry. Spacecraft and satellites are at risk of collision with orbital debris. Collisions can damage sensitive components or result in ...
    • Structural Optimization Using Ansys And Regulated Multiquadric Response Surface Model 

      Menon, Ajaykumar (Mechanical Engineering, 2007-08-23)
      The high computational expense of large non-linear and complex finite element analysis limits or often prohibits the use of conventional codes in engineering design and multidisciplinary optimization. Consequently alternate ...
    • Analysis And Optimal Design Of Beams Using Radial Basis Function 

      Sun, Yung-Kang (Mechanical Engineering, 2007-08-23)
      The application of Multiquadric Radial Basis Function (MQ RBF) in the analysis and optimal design of beams are addressed in this dissertation. For static analysis, a new Least Square Collocation (LSC) method is introduced. ...
    • An Approximate Solution To Buckling Of Plates By The Galerkin Method 

      Dubey, Yattender Rishi (Mechanical Engineering, 2007-08-23)
      This thesis presents a semi-analytical method to solve the governing differential equation of plates using the Galerkin method. Symbolic algebra software is extensively used to perform necessary calculations. In this thesis, ...
    • Control And Simulation Of Relative Motion For Aerial Refueling In Racetrack Maneuver 

      Kim, Eunyoung (Aerospace Engineering, 2007-08-23)
      This thesis addresses the problem of controlling the receiver aircraft to achieve a successful aerial refueling. For the performance verification of the controller, a new set of nonlinear, 6-DOF, rigid body equations of ...
    • Viscoplastic Finite-element Simulation To Predict The Solder Joint Fatigue Life Of Different Flash Memory Die Stacking Architectures 

      Lee, Yong Je (Mechanical Engineering, 2007-08-23)
      This thesis focuses on the viscoplastic finite-element simulation to predict the solder joint fatigue life of different die stacking architectures for flash memory products. Four different stacked package architectures ...
    • Failure Analysis Of Composite Laminates With A Hole By Using Finite Element Method 

      Roy, Moumita (Mechanical Engineering, 2007-08-23)
      Predicting the strength of a given laminate has been extensively studied. There have been several fracture models proposed but still the immense tests of composite laminates are still needed. Different material systems or ...
    • Numerical Study On Capillarity- Dominant Free Surface And Interfacial Flows 

      Wang, Zhaoyuan (Mechanical Engineering, 2007-08-23)
      The continuum surface force (CSF) method has been extensively employed in the volume-of-fluid (VOF), level set (LS) and front tracking methods to model surface tension forces. Its ability is limited for the surface tension ...
    • An Experimental Investigation Of Ionization Of Supersonic Air By A Corona Discharge 

      Satyanand, Udyavar S. (Aerospace Engineering, 2007-08-23)
      A technique is developed to ionize supersonic air flow in a shock tube by a weak corona discharge. The driven section of the tube is open to the atmosphere. The shock propagates in the driven section at about 1 km/s by ...
    • Numerical Simulation Of Pulse Detonation Phenomena In A Parallel Environment 

      Ravindran, Prashaanth (Aerospace Engineering, 2007-08-23)
      The objective of this work was to develop a parallel algorithm that would be used in the simulation of the detonation process in the chamber of a pulse detonation engine. The emphasis is laid on reducing computation ...
    • Investigation Of Minimum Response For Damage Assessment 

      Kirk, Jeffrey (Mechanical Engineering, 2007-08-23)
      Assessment of structural damage based on changes in vibratory response characteristics has been researched for many years, with much attention directed toward the use of modal parameters. Modal responses contribute to ...