Mechanical and Aerospace Engineering

Works Published in 2020

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Displaying works 61 - 80 of 254 in total

Sorted by most recent date added to the index first, which may not be the same as publication date order.

2020 conference paper

Frequency Characterization of Thigh Soft Tissue Artifact During a Relaxed and Activated State

Presented at the 44th Meeting of the American Society of Biomechanics.

By: S. Carpenter, M. Zabala, E. Perkins, J. Larson & A. Marino

Event: 44th Meeting of the American Society of Biomechanics on August 4-7, 2020

Source: NC State University Libraries
Added: March 16, 2021

2020 conference paper

A Neural NARX Network Controller for a Pneumatic Artificial Muscle Driven Translational System

Presented at the IMECE 2020: American Society of Mechanical Engineers International Mechanical Engineering Congress & Exposition.

By: T. Mollik & E. Perkins

Event: IMECE 2020: American Society of Mechanical Engineers International Mechanical Engineering Congress & Exposition on November 16-19, 2020

Source: NC State University Libraries
Added: March 16, 2021

2020 conference paper

Stochastic Response of Hopf Adaptive Frequency Oscillator

10th European Nonlinear Dynamics Conference. (Accepted).

By: X. Li, M. Shougat, C. Fendley, R. Dean & E. Perkins

Event:

Source: NC State University Libraries
Added: March 16, 2021

2020 journal article

Mathematical modeling and parametric study of a planar Tumbleweed rover demonstrator

ACTA ASTRONAUTICA, 177, 48–57.

By: P. Sardeshmukh n, C. Yoder n, D. Talaski n & A. Mazzoleni n

author keywords: Tumbleweed; Box-kite; Spherical rover
Source: Web Of Science
Added: March 8, 2021

2020 journal article

Tensile strength and early healing of self‐locking and surgeon's knots

Veterinary Surgery, 49(8), 1580–1589.

By: K. Weatherall*, L. Boone*, F. Caldwell*, R. Cole*, R. Cattley*, K. Lascola*, S. Clark‐Price*, R. Farag*, E. Perkins n, R. Hanson*

MeSH headings : Animals; Biomechanical Phenomena; Female; Horses / injuries; Horses / surgery; Male; Suture Techniques / veterinary; Sutures / veterinary; Tensile Strength; Wound Healing
TL;DR: Closure of VMC with self-locking knots resulted in biomechanical and healing features similar to those with a traditional closure technique, with neither restoring the tensile strength of the linea alba. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Crossref, NC State University Libraries
Added: March 7, 2021

2020 conference paper

3D Printed MEMS-Scale Vibration Isolators

Volume 7A: Dynamics, Vibration, and Control. Presented at the ASME 2020 International Mechanical Engineering Congress and Exposition.

By: A. Bond*, B. Bottenfield*, R. Dean*, M. Adams*, J. Zhao*, X. Li*, G. Flowers*, E. Perkins*

Event: ASME 2020 International Mechanical Engineering Congress and Exposition

TL;DR: The resulting test data demonstrated that the MEMS-scale 3D printed mechanical vibration isolators can be a valid option for real-world vibration isolation applications. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: March 7, 2021

2020 journal article

Asphaltophones: Modeling, analysis, and experiment

The Journal of the Acoustical Society of America, 148(1), 236–242.

By: A. Tucker* & E. Perkins n

TL;DR: An analytical solution of the simplified quarter-car model to the most common asphaltophone profiles is derived and this analytical solution is used to determine the relationship between the asphaltophone's profile and the signal quality. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: March 6, 2021

2020 journal article

Approximating an Exactly Solvable Chaotic Oscillator Using a Colpitts Oscillator Circuit

IEEE Transactions on Circuits and Systems II: Express Briefs, 1–1.

By: B. Rhea, R. Harrison, F. Werner*, E. Perkins n & R. Dean*

author keywords: Oscillators; Chaotic communication; Operational amplifiers; Mathematical model; Trajectory; Transistors; Switches; Chaos; feedback circuits; nonlinear systems; oscillators
TL;DR: An alternative approximate implementation of an exactly solvable chaotic oscillator circuit is presented, in which the previously used op amp based NIC sinusoidal oscillator subcircuit was replaced with a single BJT Colpitts oscillatorSubcircuit. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: March 6, 2021

2020 journal article

Vibratory Response Characteristics of High-Frequency Shape Memory Alloy Actuators

Journal of Vibration and Acoustics. https://asmedigitalcollection.asme.org/vibrationacoustics/article/142/1/011004/975366?casa_token=hjh0F6kLUvYAAAAA:v2exhZOXFfKRoVAmKj69YQCxz_xIesg3LnMpMw61mnRwoOpW6UMBoZS9Cy_Kou1CRShpCtGO

Edmon Perkins

Source: ORCID
Added: March 5, 2021

2020 journal article

On a new field theory formulation and a space-time adjustment that predict the same precession of Mercury and the same bending of light as general relativity

PHYSICS ESSAYS, 33(4), 489–512.

By: L. Silverberg & J. Eischen*

author keywords: Newtonian Theory; Field Theory; General Relativity; Gravitation; Precession of Mercury; Bending of Light; Vector Continuity
UN Sustainable Development Goal Categories
1. No Poverty (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: February 22, 2021

2020 article

Minimal Unpowered Strain-Energy Deployment Mechanism for Rollable Spacecraft Booms: Ground Test

JOURNAL OF SPACECRAFT AND ROCKETS, Vol. 57, pp. 346–353.

By: J. Firth n & M. Pankow n

TL;DR: This paper describes development and ground testing of an unpowered mechanism intended to control deployment of a rollable spacecraft boom that constrains the boom to a single deployment. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: Web Of Science
Added: February 15, 2021

2020 article

Mesh-Sequenced Realizations for Evaluation of Subgrid-Scale Models for Turbulent Combustion

Edwards, J. R., & Nielsen, T. B. (2020, November). AIAA JOURNAL, Vol. 58, pp. 4878–4892.

By: J. Edwards n & T. Nielsen*

Source: Web Of Science
Added: February 8, 2021

2020 article

An Essential Protective Role for Cardiomyocyte Alpha1a-adrenergic Receptors in a Mouse Model of Myocardial Infarction

Zhang, J., Ash, T., Huang, W., Smith, A., Huang, H.-Y., & Jensen, B. C. (2020, July 31). CIRCULATION RESEARCH, Vol. 127.

TL;DR: It is demonstrated that mice deficient of α1A-AR on cardiomyocytes had lower late survival, more profound early pathological injury & adverse mechanical properties after LAD ligation, suggesting that activation ofCardiomyocyte β-ARs plays an essential role in protecting experimental myocadiac infarction, holds the promise of future clinical implications. (via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being (Web of Science; OpenAlex)
Source: Web Of Science
Added: February 8, 2021

2020 journal article

Natural Frequencies of a Heated Plate: Theory and Experiment

AIAA JOURNAL, 58(11), 4969–4973.

By: M. Freydin, D. Levin, E. Dowell, S. Varigonda & V. Narayanaswamy*

Contributors: M. Freydin, D. Levin, E. Dowell, S. Varigonda & V. Narayanaswamy*

UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID, NC State University Libraries
Added: February 8, 2021

2020 journal article

Fatigue crack growth resistance of the austenitic stainless steel Alloy 709 at elevated temperatures

JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T, 9(6), 12955–12969.

author keywords: Alloy 709; Fatigue crack growth; In-Situ testing; FIB-TEM; Environmental effect
Sources: Web Of Science, ORCID, NC State University Libraries
Added: February 8, 2021

2020 article

Lift Equivalence and Cancellation for Airfoil Surge-Pitch-Plunge Oscillations

Elfering, K. H., & Granlund, K. O. (2020, November). AIAA JOURNAL, Vol. 58, pp. 4629–4643.

By: K. Elfering n & K. Granlund n

Sources: Web Of Science, NC State University Libraries
Added: February 8, 2021

2020 journal article

Control of Fin Shock Induced Flow Separation Using Vortex Generators

AIAA JOURNAL, 58(11), 4794–4806.

Contributors: J. Pickles n & V. Narayanaswamy n

Sources: Web Of Science, ORCID, NC State University Libraries
Added: February 8, 2021

2020 journal article

Facile Approach to Fabricating Stretchable Organic Transistors with Laser-Patterned Ag Nanowire Electrodes

ACS APPLIED MATERIALS & INTERFACES, 12(45), 50675–50683.

By: R. Song n, S. Yao n, Y. Liu n, H. Wang n, J. Dong n, Y. Zhu n, . Brendan T. O'Connor

author keywords: stretchable electronics; Ag nanowires; laser patterning; organic electronics; organic thin-film transistors
TL;DR: The ability to pattern highly conductive Ag NW networks using laser ablation to pattern electrodes as well as interconnects provides a simple strategy to produce complex stretchable OTFT-based circuits. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: February 1, 2021

2020 journal article

Multifunctional Ceramic Composite System for Simultaneous Thermal Protection and Electromagnetic Interference Shielding for Carbon Fiber-Reinforced Polymer Composites

ACS Applied Materials & Interfaces, 12(52), 58005–58017.

author keywords: polymer-derived ceramic; carbon nanotubes; multifunctional composites; electromagnetic interference shielding; thermal protection
TL;DR: Results of this study showed that materials with a good thermal insulation and electromagnetic interference shielding can be obtained simultaneously by confining the electron movement inside the materials and refraining their movement at the skin surface. (via Semantic Scholar)
Sources: Web Of Science, Crossref, NC State University Libraries
Added: February 1, 2021

2020 journal article

Survivability of integrated fiber Bragg grating sensors in ballistic protection fabrics for high velocity impact testing

OPTICAL FIBER TECHNOLOGY, 60.

By: D. Hackney n, T. Goode n, F. Seng*, M. Pankow n, S. Schultz* & K. Peters n

author keywords: Fiber Bragg grating; Back face deformation; Ballistic impact; Body armor; Kevlar
Sources: Web Of Science, NC State University Libraries
Added: January 19, 2021

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