Browsing Aerospace Engineering (AE) by Title
Now showing items 1-20 of 420
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2D Compressible Viscous Flow Computations Using Acoustic Flux Vector Splitting (AFVS) Scheme
(Indian Institute of Science, 2007-05-07)The present work deals with the extension of Acoustic Flux Vector Splitting (AFVS) scheme for the Compressible Viscous flow computations. Accurate viscous flow computations require much finer grids with adequate clustering ... -
A 3D High Resolution Unstructured Viscous Flow Solver
(2011-10-11) -
Accurate and Efficient Algorithms for Star Sensor Based Micro-Satellite Attitude and Attitude Rate Estimation
(2018-04-18)This dissertation addresses novel techniques in determining gyroless micro-satellite attitude and attitude rate. The main objective of this thesis is to explore the possibility of using commercially available low cost ... -
Accurate Computational Algorithms For Hyperbolic Conservation Laws
(2010-10-08)The numerics of hyperbolic conservation laws, e.g., the Euler equations of gas dynamics, shallow water equations and MHD equations, is non-trivial due to the convective terms being highly non-linear and equations being ... -
Active Vibration Control Synthesis Using Viscoelastic Damping Phenomena
(2011-07-12)In this thesis, a new method is followed to design an active control system which imparts viscoelastic phenomenological damping in an elastic structure. Properties of a hypothetical viscoelastic system are used to design ... -
Adaptive Filtering for Large Eddy Simulation of Flows with Shocks and its Application to Launch Pad Deflectors
During lift-off of launch vehicles jets from nozzles impinge on a wedge deflector which directs the jet away from the rocket along passages. As a high Reynolds number turbulent flow the whole region has a broad spectrum ... -
Additive Manufacturing of Inconel 718 Cellular Structures
Additive Manufacturing (AM) is getting adopted in various industries like automobile, aerospace, medical, nuclear, defense, and space, amongst many others, in the last five to ten years due to the tremendous advantages of ... -
Adjoint-Based Aerodynamic Shape and Mesh Optimization with High-order Discontinuous Galerkin Methods
The aerodynamic shape of an aircraft plays a pivotal role in determining its overall performance. Aerodynamic Shape Optimization (ASO) involves systematically modifying the geometry to optimize the aerodynamic objective ... -
Advanced Guidance and Autopilot Design for Autonomous Lunar Soft-Landing
Aiming towards the development of a long-term lunar research base for scientific exploration of futuristic objectives, soft-landing on the Moon has gained renewed interest worldwide. This work focuses on optimal guidance ... -
Advanced Guidance Laws for Field-of-View and Impact Angle Constrained Engagements
This thesis deals with the development of guidance laws for interceptors with seeker field-of-view (FOV) and impact angle constraints. Two classes of guidance problems, namely, field-of- view and impact angle constrained ... -
Advanced Optimal Control Design for Nonlinear Systems including Impulsive Inputs with Applications to Automatic Cancer Treatment
(2018-08-14)The motivation of this research is to propose innovative nonlinear and optimal control design algorithms, which can be used in real life. The algorithms need to be computationally efficient, should deal with control ... -
Advanced Optimal Spacecraft Guidance For Terminal Phase Rendezvous and Docking
There have been growing interest in Rendezvous and Docking (RVD) missions for on-orbit refueling, on-orbit servicing, orbital debris removal, etc. A very important requirement in RVD missions is soft-docking at the terminal ... -
An advection velocity correction scheme for interface tracking using the level-set method
An advection velocity correction (AVC) scheme for interface tracking using the level-set method is presented in this thesis. The key idea is to apply a correction to the interface advection velocity at points adjacent ... -
Aeroacoustic Sources in Twin Turbulent Jets
An understanding of the aeroacoustics of twin turbulent jets is essential for applications involving noise reduction in dual engine aircrafts and launch vehicles. The aeroacoustic dynamics of these jets are influenced ... -
Aerodynamic Analysis Of Grid Fins Using Analytical And Computational Methods
(2009-07-16)Grid fins (lattice fins) are used as a lifting and control surface for highly manoeuvrable missiles. Grid fins also find their applications for air-launched submunitions. The main advantages are its low hinge moment ... -
Aerodynamics of Nose Mounted Propeller Aircraft
The thesis deals with the aerodynamic analysis of a nose-mounted propeller aircraft using the flow solver HiFUN. Unsteady RANS simulations using sliding mesh technology is performed on aircraft with the propeller. The study ... -
Aeroelastic Analysis And Optimization Of Composite Helicopter Rotor With Uncertain Material Properties
(2011-04-06)Incorporating uncertainties in the aeroelastic analysis increases the confidence levels of computational predictions and reduces the need for validation with experimental or flight test data. Helicopter rotor blades, which ... -
Aeroelasticity of Flapping Wings towards Micro Air Vehicle Applications
Studies have revealed that insect like flapping flight can serve as a benchmark in designing Micro Aerial Vehicles (MAV) owing to its power efficiency and high maneuverability. Primarily envisioned as agents facilitating ... -
Analysis and Detection of Ionospheric Depletions over the Indian Region in the Context of Satellite Navigation
(2018-04-18)Satellites have revolutionized navigation by making it more universal, accessible and ac- curate. Global Positioning System (GPS) is the most widely used satellite navigation system in the world. However, it is prone to ...