AE Research Publications
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Higher-order estimations of load factor from derived gust velocity
(American Institute of Aeronautics and Astronautics, Inc., 2018-11-12)Pratt's formula, in which the aircraft is modeled as a single-degree-of-freedom system, is used extensively to extract derived gust velocities from measured normal acceleration. There is evidence that airframe mass ... -
Characterization of bondline thickness effects in adhesive joints
(American Society for Testing and Materials, 2002-04)Growing application of composite materials in air-frame structures tends to make significant use of bonded constructions. Despite the large work that has been done on adhesive characterization over previous years, various ... -
Stress analysis of composite pipe joints under combined torsional and tensile loading
(American Society of Mechanical Engineers (ASME), 2009-09)An analytical model was developed using the first-order laminated shell theory to determine stress and strain distributions within a composite pipe joint under combined torsional and tensile loading. Due to the axisymmetric ... -
Elastic-plastic model of adhesive-bonded single-lap composite joints
(SAGE Publications, 2004-02)An analytical model for determining adhesive stress distributions within the adhesive-bonded single-lap composite joints was developed. ASTM D3165 Strength Properties of Adhesives in Shear by Tension Loading of SingleLap-Joint ... -
Low-velocity impact and damage process of composite laminates
(SAGE Publications, 2002-04)Several important issues regarding damage simulation of composite laminates due to low velocity impact were investigated including contact law, damage initiation and the corresponding change of stiffness, and damping. ... -
Strain energy release rate analysis of adhesive-bonded composite joints with a prescribed interlaminar crack
(American Institute of Aeronautics and Astronautics, 2009-01)Delamination is among the critical failure modes in fiber-reinforced laminated composite structures. This paper presents an analytical approach by taking into account the first-ply failure in adhesive-bonded composite ... -
Stress and failure analyses of adhesive-bonded composite joints using ASTM D3165 specimens
(American Society for Testing and Materials, 2002-04)An analytical model was developed to determine the stress and strain distributions of single-lap adhesive-bonded composite joints under tension. Both the adherend and the adhesive were assumed linear elastic in the ... -
Strain energy release rate determination of prescribed cracks in adhesively-bonded single-lap composite joints with thick bondlines
(Elsevier, 2008-07)An analytical model for determining the strain energy release rate due to a prescribed crack in an adhesively-bonded, single-lap composite joint with thick bondlines and subjected to axial tension is presented. An existing ... -
Stress model of composite pipe joints under bending
(SAGE Publications, 2002-06)Recently, composite pipe is becoming popular in the offshore oil and gas industry due to the new floating designs of various platforms which have made deepwater oil and gas exploration and production more economical and ... -
A semi-analytical method for determining the strain energy release rate of cracks in adhesively-bonded single-lap composite joints
(SAGE Publications, 2007-07)A semi-analytical method for determining the strain energy release rates due to a prescribed crack in an adhesively-bonded, single-lap composite joint subjected to axial tension is presented. The field equations in terms ... -
Thermally induced loads of fastened hybrid composite/aluminum structures
(American Institute of Aeronautics and Astronautics, 2008-03)Large composite structures have been increasingly used in the aviation industry. New applications of composite materials include primary structures such as aircraft fuselages. These large composite parts are sometimes ... -
Evaluation and adjustments for ASTM D 5656 standard test method for thick-adherend metal lap-shear joints for determination of the stress-strain behavior of adhesives in shear by tension loading
(American Society for Testing and Materials, 2001-01)Adhesive-bonded joints have been used widely for composite materials as a necessary alternative to conventional mechanical joint designs. In a bonded joint, the load is transferred from one substrate to the other mainly ... -
Stress-strain analysis of a taper-taper adhesive-bonded joint under cylindrical bending
(American Society of Mechanical Engineers (ASME), 1999-07)A model of a taper-taper adhesive-bonded joint under cylindrical bending has been derived using first-order laminated plate theory. Shear correction factors were used to account for transverse shear deformation. A FORTRAN ... -
Kinematics analysis of the chipping process using the circular diamond saw blade
(American Society of Mechanical Engineers (ASME), 1999-05)One of the primary goals in the design of a diamond blade cutting system is to reduce the cutting force. By understanding the fundamentals of the kinematics of the sawing operation, these forces can be lowered and even ... -
Design and analysis of composite pipe joints under tensile loading
(Sage, 2000)Composite pipe has been used in transporting corrosive fluid in many chemical processes in the petrochemical and pulp and paper industries. More recently, composite pipe has further gained its importance in the offshore ... -
Numerical assessment of pulsatile flow through diverging tees with a sharp- and round-edge junction
(Elsevier, 2019-04)Unsteady flow through diverging tees is of interest in many industrial systems and physiological applications. In this study, the characteristics of the transient flow behaviors at the junctions of diverging tees with ... -
In-plane thermal characterization of fiberglass/phenolic honeycomb core through an experimental-numerical approach
(DEStech Publications Inc., 2018)In the present study, a series of in-plane quasi-static tensile and compressive tests are carried out on a commercial Fiberglass/Phenolic hexagonal cell honeycomb core at elevated temperatures to investigate the high ... -
Analysis of automotive cyber-attacks on highways using partial differential equation models
(IEEE, 2018-12)This paper considers scenarios wherein a group of malicious vehicles on a highway perform a cooperative attack with the motive of creating undesirable wave effects among other vehicles on the highway. The two species of ... -
An analytical approach to characterize uniaxial in-plane responses of commercial hexagonal honeycomb core under large deformations
(Elsevier, 2019-03-01)In this article, an analytical model is derived to investigate the in-plane homogenized stress-strain relationship of an adhesively bonded commercial hexagonal honeycomb core under large deformation. The model incorporates ... -
An overview of Cube-Satellite propulsion technologies and trends
(MDPI Multidisciplinary Digital Publishing Institute, 2017-12-09)CubeSats provide a cost effective means to perform scientific and technological studies in space. Due to their affordability, CubeSat technologies have been diversely studied and developed by educational institutions, ...
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