Browsing Department of Mechanical and Aerospace Engineering by Author "Adnan, Ashfaq"
Now showing items 1-20 of 25
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A MOLECULAR SCALE STUDY OF CAVITATION GROWTH AND SHOCK RESPONSE IN SOFT MATERIALS
Mahmud, Khandakar; 0000-0002-1891-456X (2020-08-25)Cavitation is a mechanism through which small vapor-filled cavities are formed in a liquid medium due to rapid changes of pressure. In liquid, the cavitation bubble is created when surrounding pressure drops below the ... -
A Multiphysics Study of Interfacial Properties of 3D Printed Filaments
Rezaee, Alireza; 0000-0003-4111-5042 (2018-06-18)Fused Deposition Modeling has become the most popular 3-D printing method over the last decade. Due to its potential to save time, cost and, labor, there is a great deal of interest to use this technique for production of ... -
A Multiscale Study of Cavitation Mechanism and Damage in Soft Materials
Hasan, Fuad; 0000-0003-1889-4877 (2020-08-25)Cavitation is defined as the formation and growth of the gaseous bubble in bulk liquid due to the tensile pressure followed by the violent collapse. The collapse of the bubble is particularly significant due to its potential ... -
ANALYSIS OF COMPOSITE BEAMS WITH AIRFOIL CROSS-SECTIONS WITH I-SECTION STIFFENER UNDER TENSION AND BI-DIRECTIONAL MOMENTS
LeBoulluec, Peter LouisAnnual wind power generation capacity in the US has increased from 3 gigawatts in 2000 to 61 gigawatts in 2013 and is on track to fulfill 20% of projected U.S. electricity needs (305 gigawatts) by 2030. To enable the ... -
CHARACTERIZATION OF THERMO-MECHANICAL PROPERTIES OF COPPER NANO-PARTICLES INFUSED ACRYLONITRILE BUTADIENE STYRENE (ABS)- 3D PRINTED SPECIMENS
Talluru, Viswajit; 0000-0003-0387-5964 (2020-01-09)Now a days the use of metal nanoparticle infused polymer is becoming widespread, since the development of polymer with enhanced thermal properties are being used for the growth of electronic packaging industry. In this ... -
COMPUTATIONAL ANALYSIS OF BLAST INDUCED DAMAGE ON NEURONS IN BRAIN DURING TRAUMATIC BRAIN INJURY
Bandaru, Divya Swamy (2016-05-10)Concussions are the most common kind of brain injuries, they are also called as mild Traumatic Brain Injuries (mTBI). In recent times, mTBIs are perceived as one of the major health problems faced by millions across the ... -
Computational Morphology Modelling and Mixed Mode Fracture Analysis of ZrB2/SiC Based Ceramic Nano-materials Using Molecular dynamics
Patel, Krutarth Shaileshkumar; 0000-0003-0998-7414 (2018-01-09)Transition metal carbides, nitrides, and borides are a group of Ultra High-Temperature Ceramic (UHTC). Owing to their remarkable properties of the high melting point, high thermal conductivity and excellent strength at ... -
Degradation Mechanics Of Bone And Bone Like Materials Via Multiscale Analysis
Sarker, Md Farzad (Mechanical Engineering, 2014-09-17)Bone fracture is a common health risk for older people suffering from bone disease like osteoporosis. The more severe the osteoporosis is the more structural degradation in bones occurs, which eventually makes bones more ... -
EFFECT OF MANUFACTURING-INDUCED DEFECTS AND ORIENTATION ON THE FAILURE AND FRACTURE MECHANISM OF 3D PRINTED STRUCTURES
Khatri, Amit (2016-12-20)Additive manufacturing is a rapidly growing cutting edge technology. Number of experimental studies have shown that strength of product manufactured by additive Fused Deposition Method (FDM) is influenced by different ... -
ELECTROSPINNING APPROACH FOR THE IMPROVEMENT OF MECHANICAL AND DIELECTRIC PROPERTIES OF ANISOTROPIC NANOFIBER MAT BY USING A NOVEL FIBER ALIGNMENT TECHNIQUE
Isaac, Blesson; 0000-0002-9586-9045 (2018-12-05)Many advanced applications, including aerospace, can benefit from materials with superior mechanical and dielectric properties. For these applications, most fiber alignment electrospinning research has focused on either ... -
IMPROVING COMPRESSIVE STRENGTH OF HIGH MODULUS CARBON-FIBER REINFORCED POLYMERIC COMPOSITE WITH VARYING MODULUS FIBERS
Ghaffari, Sarvenaz (2019-12-06)There has been a strong demand in using high-modulus (HM) carbon-fiber composites potentially enabling lightweight aircraft structures with significant weight savings. However, extremely low fiber-direction compressive ... -
Improving Fracture Toughness Of Silicon Carbide Based Ceramics By Microstructure Tailoring
Ferdous, Sheikh FahadCeramic materials are one of the most promising materials for wide variety of technical applications such as automotive, aerospace, medical, and other applications. They have very high strengths and high melting points ... -
INFLUENCE OF RELATIVE DENSITY AND MICROSTRUCTURAL ANISOTROPY ON THE GLOBAL ELASTIC PROPERTIES OF CELLULAR STRUCTURES
Compton, Justin; 0000-0002-5133-8058 (2017-05-05)The favorable strength-to-weight ratio of cellular solids makes them ideal for structural applications. With the advent of additive manufacturing, the fabrication of complex cellular structures is becoming a reality. It ... -
INTERNAL PRESSURE RESPONSE OF A HUMAN HEAD SURROGATE MODEL SUBJECT TO VARIABLE IMPACT LOADING WITH FINITE ELEMENT ANALYSIS
Jackson, Aaron Ronald; 0000-0001-9399-7185 (2021-12-21)Traumatic brain injury (TBI) from blunt impacts to the head is a major cause of brain disease and dysfunction for thousands of people every year. Each year in the United States approximately 1 million TBI cases occur causing ... -
MANUFACTURING AND CHARACTERIZATION OF A 3D-PRINTABLE, ANTIBACTERIAL, MAGNESIUM OXIDE NANOPARTICLES REINFORCED ABS FILAMENT
Thapliyal, Saket; 0000-0001-7081-3806 (2017-06-08)This research work consists of two phases. In phase one it is intended to manufacture an antibacterial 3D printable filament by extruding a solid state mixture of (MgO) nanoparticles (NPs) and Acrylonitrile Butadiene Styrene ... -
Manufacturing And Characterization Of Ultra Light Bio-inspired Nanocomposite Structures
Pothana, SushmaThe inner part of bones is spongy cell-type three dimensional structure called cancellous bone which is the major contributor in keeping the bone weight very low. Yet, bone can sustain body weight and reasonable impact ... -
MECHANICAL AND THERMAL PERFORMANCE OF ADDITIVELY MANUFACTURED DIGITAL MATERIALS
Ahmad, Layth Muayyad; 0009-0006-5295-5652 (2023-05-19)**Please note that the full text is embargoed until 05/15/2024** ABSTRACT: Over the past decades, additive manufacturing has become a critical material processing tool. All ranges of materials including polymers, composites, ... -
MODELING THE EFFECT OF IN SITU NOZZLE-INTEGRATED COMPRESSION ROLLING ON THE MECHANICAL AND FRACTURE BEHAVIOR OF FUSED FILAMENT FABRICATION (FFF) 3D PRINTED PARTS
Qasaimeh, Momen Mohammad; 0000-0002-1913-1612 (2021-08-16)Fused filament fabrication (FFF) is one of the most common additive manufacturing/3D printing techniques where continuously extruded semi-molten filaments are deposited in a layer-by-layer manner. The quality of the ... -
MOLECULAR LEVEL MECHANICAL PROPERTIES OF ULTRA HIGH TEMPERATURE CERAMICS AND THEIR NANOCOMPOSITES
Kayser, Md Riaz (2020-08-19)Ultra High-Temperature Ceramics (UHTC) have been of great interest in the spacecraft, aerospace, and aeronautic industry due to their high melting point and their potential application as a protective material for the ... -
NANOSCALE MECHANICS OF DISORDERED BIOMOLECULES IN BRAIN
Khan, Md Ishak; 0000-0001-7680-9613 (2020-12-09)The long-term objective of this dissertation is to link blast-induced traumatic brain injury (TBI) with multiscale, multiphysics damage evolution in the brain using experimentally verifiable computations and simulations. ...