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Office of Research [3]
collection includes newsleters, annual reports, and other materials published by the Office of Research
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Crashworthiness by analysis: verifying FEA modeling capabilities by accident reconstruction
(ASCE, 2018-11-15)A finite element (FE) model of a generic single-aisle narrow body transport aircraft was used for computational crash analysis to compare simulated deformations to those observed in the Turkish Airline Flight 1951 crash ... -
Research News, 2018
(Wichita State University, 2018-01) -
Research News, 2017
(Wichita State University, 2017-01-09) -
Injection repair for restoration of composite properties
(SAMPE, 2019-03)Resin injection is a less intrusive method of repair and does not require near the post processing of other composite repair methods. However, until recently this method of repair has not allowed the restoration of the ... -
Research News, 2016
(Wichita State University, 2016-09-01) -
Learning robotic grasping strategy based on natural-language object descriptions
(IEEE, 2018-10)Given the description of an object's physical attributes, humans can determine a proper strategy and grasp an object. This paper proposes an approach to determine grasping strategy for an anthropomorphic robotic hand simply ... -
Automated scanning techniques using UR5
(Hindawi, 2019-02-03)This study seeks to advance technologies pertaining to integration of low-cost collaborative robots to perform scanning operations where moderate accuracy is needed. Part inspection is an almost universal aspect of ... -
High rate testing of composite fastener joints with and without clamp-up
(DEStech Publications Inc., 2018)The NASA Advanced Composites Consortium (ACC) High Energy Dynamic Impact (HEDI) group has been investigating experimentally the effects of testing speed and fastener clamp-up on the behavior of single lap shear composite ... -
An engineering approach to analyze damage initiation modes in tapered composite structures
(DEStech Publications Inc., 2018)In this work an engineering approach is demonstrated for analyzing damage initiation modes in tapered composite structures. The analysis methodology includes simulation of the non-linear static response of tapered composite ... -
Material state monitoring using embedded sensors for validating models for detecting process-induced damages in polymer composites
(DEStech Publications Inc., 2018)Composite material cure recipes are based on manufacturer-recommended cure cycle inputs, which are developed as a result of various stochastic cure kinetics models during the development of resin formulation. The time, ... -
Defects characterization, damage mapping, and property evaluation of composites
(DEStech Publications Inc., 2018)The presence of voids in the composite laminates can reduce the mechanical properties in composites and these voids can become precursors in the activation of other failure modes such as delamination. Knowing the volume ... -
Progressive damage and failure prediction of interlaminar tensile specimen with initial fabrication induced defects
(DEStech Publications Inc., 2018)An automatic solution process to evaluate the effects of fabrication induced defects in composite components is developed. The framework of this approach includes defects extraction from the X-ray computed tomography (CT) ... -
Automating structural modeling of composites enriched by X-ray micro-tomography and digital imaging data
(ASME, 2018)The manufacturing processes of Fiber Reinforced Polymers (FRPs) as composite materials are frequently prone to the creation of various types of undesired morphologies and defects. These can include layer waviness, inclusions, ... -
Chapter 39 -- Updating composite materials handbook-17 volume 5— ceramic matrix composites
(Wiley, 2018)This chapter discusses the updated version of CMH‐17 Volume 5—Ceramic Matrix Composites handbook released in 2002, which provides a more comprehensive overview of current Ceramic Matrix Composites (CMC) technology. Emphasis ... -
Refill Friction Stir Spot Joining for aerospace aluminum alloys
(Springer, 2017)Refill Friction Stir Spot Joining (RFSJ) developed by Kawasaki Heavy Industries (KHI) is a derivative technology of friction stir spot welding for joining aerospace aluminum alloys. The aerospace aluminum alloys were ... -
End effector for forming swept friction stir spot welds
(United States Patent and Trademark Office, 2015-09-15)An apparatus includes a connector and is configured to mount to a machine having multiple axes of control. A control signal on the connector determines a path of a rotating tool holder. -
Macrocyclic and peptidomimetic compounds as broad-spectrum antivirals against 3C or 3C-like proteases of picornaviruses, caliciviruses and coronaviruses
(United States Patent and Trademark Office, 2016-04-12)Antiviral protease inhibitors, including macrocylic transition state inhibitors and peptidomimetics are disclosed, along with related antiviral compounds, and methods of using the same to treat or prevent viral infection ... -
Sulfamide and bis-sulfamide amino acid derivatives as inhibitors of proteolytic enzymes
(United States Patent and Trademark Office, 2002-12-17)Compounds of the general formula I are provided: ##STR1## and pharmaceutically acceptable salts thereof, wherein, Z is a chemical species or R.sub.i capable of binding at a primary specificity site of a protease; Y is a ... -
System and method for capturing image sequences at ultra-high framing rates
(United States Patent and Trademark Office, 2010-08-17)An imaging system for capturing a sequence of images from a target at ultra-high framing rates is disclosed. The imaging system includes an illumination system operable to emit at least first and second light pulses at ... -
Friction stir welding tool having a counterflow pin configuration
(United States Patent and Trademark Office, 2011-05-17)A friction stir welding tool having one or more tapered flats for promoting flow of weld material toward the pin terminus and one or more counter-spiraling channels or threads which for promoting flow of the weld material ...
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