User profiles for Laurie Stephey

Laurie Stephey

Lawrence Berkeley National Laboratory
Verified email at lbl.gov
Cited by 1175

Overview of diagnostic performance and results for the first operation phase in Wendelstein 7-X

…, B Schweer, B Standley, T Stange, L Stephey…�- Review of Scientific�…, 2016 - pubs.aip.org
Wendelstein 7-X, a superconducting optimized stellarator built in Greifswald/Germany, started
its first plasmas with the last closed flux surface (LCFS) defined by 5 uncooled graphite …

Experimental investigation of an American five-string banjo

LA Stephey, TR Moore�- The Journal of the Acoustical Society of�…, 2008 - pubs.aip.org
An experimental investigation of an American five-string banjo is reported. The acoustic
spectra of the strings are analyzed and it is found that in many ways banjo strings behave in a …

The LBNL superfacility project report

…, A Selvarajan, A Sim, D Skinner, L Stephey…�- arXiv preprint arXiv�…, 2022 - arxiv.org
The Superfacility model is designed to leverage HPC for experimental science. It is more than
simply a model of connected experiment, network, and HPC facilities; it encompasses the …

Confinement in Wendelstein 7-X limiter plasmas

…, K Rahbarnia, T Schr�der, T Stange, L Stephey…�- Nuclear�…, 2017 - iopscience.iop.org
Observations on confinement in the first experimental campaign on the optimized Stellarator
Wendelstein 7-X are summarized. In this phase W7-X was equipped with five inboard …

Scaling Podman on Perlmutter: Embracing a community-supported container ecosystem

L Stephey, S Canon, A Gaur, D Fulton…�- 2022 IEEE/ACM 4th�…, 2022 - ieeexplore.ieee.org
Containers have provided a popular new paradigm for managing software and services.
However, in HPC the use of containers has historically been more difficult due to multi-tenancy, …

Switching mechanisms in flexible solution-processed TiO2 memristors

JL Tedesco, L Stephey, M Hernandez-Mora…�- …, 2012 - iopscience.iop.org
Memristors are emerging as unique electrical devices with potential applications in memory,
reconfigurable logic and biologically inspired computing. Due to the novelty of these devices…

Speeding up charge exchange recombination spectroscopy analysis in support of NERSC/DIII-D realtime workflow

A Jain, L Stephey, E Linsenmayer, C Chrystal…�- arXiv preprint arXiv�…, 2023 - arxiv.org
We report optimization work made in support of the development of a realtime Superfacility
workflow between DIII-D and NERSC. At DIII-D, the ion properties measured by charge …

[PDF][PDF] Using High-Fidelity Radiation Transport Methods to Supplement the Diffusion Approximation at Material Interfaces

DE Ruiz, LA Stephey - 2013 - osti.gov
1 Abstract Today, many radiation-hydrodynamics simulations use methods that combine
hydrodynamics and radiation diffusion algorithms. The diffusion model has been used because …

Near real-time streaming analysis of big fusion data

…, J Choi, R Wang, S Klasky, L Stephey…�- Plasma Physics and�…, 2022 - iopscience.iop.org
Experiments on fusion plasmas produce high-dimensional data time series with ever-increasing
magnitude and velocity, but turn-around times for analysis of this data have not kept up. …

Flexible memristors fabricated through sol-gel hydrolysis

JL Tedesco, N Gergel-Hackett, L Stephey…�- ECS�…, 2011 - iopscience.iop.org
Flexible memristors consisting of an oxide film generated through hydrolysis of a spun-on
sol-gel were fabricated on polyethylene terephthalate substrates. X-ray photoelectron …