Search Results - "Wagoner, Robert"
-
1
Optical quasi-periodic oscillations in the TESS light curves of three blazars
Published in Monthly notices of the Royal Astronomical Society (01-01-2024)“…ABSTRACT We report the time series analysis of Transiting Exoplanet Survey Satellite light curves of three blazars, BL Lacertae (BL Lac), 1RXS…”
Get full text
Journal Article -
2
Advanced Issues in springback
Published in International journal of plasticity (01-06-2013)“…► Plastic constitutive equations. ► Variable Young’s modulus. ► Through-thickness integration of stress. ► Magnesium. ► Advanced high strength steels (AHSS)…”
Get full text
Journal Article -
3
Confrontation of Observation and Theory: High-frequency QPOs in X-Ray Binaries, Tidal Disruption Events, and Active Galactic Nuclei
Published in The Astrophysical journal (01-01-2021)“…We compile observations of high-frequency quasi-periodic oscillations (QPOs) around black holes, both stellar and supermassive, and compare their positions in…”
Get full text
Journal Article -
4
Search for quasi-periodic oscillations in TESS light curves of bright Fermi Blazars
Published in Monthly notices of the Royal Astronomical Society (15-02-2024)“…ABSTRACT In a previous paper, we reported evidence for quasi-periodicities in the Transiting Exoplanet Survey Satellite (TESS) light curves of BL Lacerate and…”
Get full text
Journal Article -
5
Slip band characteristics in the presence of grain boundaries in nickel-based superalloy
Published in Acta materialia (01-07-2020)“…Shear strain profiles along slip bands in a modified Rolls-Royce nickel superalloy (RR1000) were analyzed for a tensile sample deformed by 2%. The strain…”
Get full text
Journal Article -
6
Evolution of a Mode of Oscillation within Turbulent Accretion Disks
Published in The Astrophysical journal (01-10-2021)“…Abstract We investigate the effects of subsonic turbulence on a normal mode of oscillation (a possible origin of the high-frequency quasi-periodic oscillations…”
Get full text
Journal Article -
7
Erratum: "On the Perturbations of Viscous Rotating Newtonian Fluids" (2000, ApJ, 537, 922)
Published in The Astrophysical journal (20-03-2019)Get full text
Journal Article -
8
An investigation of geometrically necessary dislocations and back stress in large grained tantalum via EBSD and CPFEM
Published in Materials science & engineering. A, Structural materials : properties, microstructure and processing (20-01-2020)“…This study explores the evolution of GNDs and their effects on back stress through experimental and computational methods. Four large-grained tantalum tensile…”
Get full text
Journal Article -
9
An RVE procedure for micromechanical prediction of mechanical behavior of dual-phase steel
Published in Materials science & engineering. A, Structural materials : properties, microstructure and processing (17-05-2017)“…A “bottom-up” representative volume element (RVE) for a dual phase steel was constructed based on measured microstructural properties (“microproperties”). This…”
Get full text
Journal Article -
10
Order out of Randomness: Self-Organization Processes in Astrophysics
Published in Space science reviews (01-03-2018)“…Self-organization is a property of dissipative nonlinear processes that are governed by a global driving force and a local positive feedback mechanism, which…”
Get full text
Journal Article -
11
A temperature-dependent elasto-plastic constitutive model for magnesium alloy AZ31 sheets
Published in International journal of plasticity (01-11-2013)“…•A constitutive model for Mg alloy sheets was developed.•The temperature-dependent asymmetric cyclic behavior was described.•The explicit numerical…”
Get full text
Journal Article -
12
Mesoscale slip behavior in single crystal and bicrystal tantalum
Published in Materialia (01-05-2023)“…Single-crystal and bicrystal tensile specimens of various orientations were prepared from coarse-grained, pure Ta to investigate fundamental BCC slip behavior…”
Get full text
Journal Article -
13
Defining Components of Team Leadership and Membership in Prehospital Emergency Medical Services
Published in Prehospital emergency care (03-09-2017)“…Background: Teamwork is critical for patient and provider safety in high-stakes environments, including the setting of prehospital emergency medical services…”
Get full text
Journal Article -
14
Improved twin detection via tracking of individual Kikuchi band intensity of EBSD patterns
Published in Ultramicroscopy (01-02-2018)“…•Intensities of individual EBSD bands are tracked to uncover thin twins.•Twin detection improves by 100% in Mg, and suggestions are made for further…”
Get full text
Journal Article -
15
Atomistic survey of grain boundary-dislocation interactions in FCC nickel
Published in Computational materials science (15-06-2019)“…[Display omitted] It is well known that grain boundaries (GBs) have a strong influence on mechanical properties of polycrystalline materials. Not as well-known…”
Get full text
Journal Article -
16
A subhorizon framework for probing the relationship between the cosmological matter distribution and metric perturbations
Published in Monthly notices of the Royal Astronomical Society (11-10-2008)“…The relationship between the metric and non-relativistic matter distribution depends on the theory of gravity and additional fields, hence providing a possible…”
Get full text
Journal Article -
17
Twinning-Slip Transitions in Mg AZ31B
Published in Metallurgical and materials transactions. A, Physical metallurgy and materials science (01-09-2012)“…Many metals, particularly ones with hexagonal close-packed (HCP) crystal structures, undergo deformation by combinations of twinning and slip, the proportion…”
Get full text
Journal Article -
18
Modeling multi-axial deformation of planar anisotropic elasto-plastic materials, part I: Theory
Published in International journal of plasticity (01-09-2006)“…In sheet metal forming processes local material points can experience multi-axial and multi-path loadings. Under such loading conditions, conventional…”
Get full text
Journal Article -
19
Spring-back evaluation of automotive sheets based on isotropic-kinematic hardening laws and non-quadratic anisotropic yield functions: Part II: characterization of material properties
Published in International journal of plasticity (2005)“…In order to improve the prediction capability of spring-back in the computational analysis of automotive sheet forming processes, the modified Chaboche type…”
Get full text
Journal Article -
20
DO MAGNETIC FIELDS DESTROY BLACK HOLE ACCRETION DISK g-MODES?
Published in The Astrophysical journal (10-08-2015)“…ABSTRACT Diskoseismology, the theoretical study of normal-mode oscillations in geometrically thin, optically thick accretion disks, is a strong candidate for…”
Get full text
Journal Article