Tailoring Thermomechanical Properties and Stability of Organic Glass Scintillators
Abstract not provided.
Publications
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Jump to search filtersNew Approaches to Additive Manufacturing of Polymers with Ring-Opening Metathesis Polymerization
Abstract not provided.
Computational Modeling of Explosively Driven Flyer Plate Experiments
Abstract not provided.
Modeling the Direct Ink Write process using a sharp interface finite-element method
Abstract not provided.
Effects of Micron-Sized Silicon Dioxide Particles on the Sensitivity of PETN
Abstract not provided.
3-D Visualization of Crystal Structures Using the CrystalVR Plug-in for ORION
Abstract not provided.
Probabilistic Grid Reliability Analysis with Energy Storage Systems (ProGRESS): An Open-Source Tool for Assessing Reliability of the Electric Power Grid
Abstract not provided.
Scalable Binary Application Analysis - Enhancing Vulnerability Analyses via Automated Patch Diffing [Poster]
TITANS CCD Open House Poster presenting summer intern work completed on an automated patch diffing pipeline, targeted for reverse engineers and vulnerability researchers.
Ego-Centric Network Guided Sparsification
Abstract not provided.
Electrochemical Cycling of Zinc in Mildly Acidic, Acetate-Based Electrolytes for Zinc-ion Batteries
Poster presentation at DOE OE Peer Review 2024 in Bellevue Washington
Detecting Emergent Discourse Dynamics in Online Social Media
Adaptive Tau-Leaping Strategies for Efficient Kinetic Monte Carlo Simulations in Spatially Non-Uniform Systems
Abstract not provided.
Neural Networks for Automatic Fault Detection
Abstract not provided.
Geometry-based attribute verification using passive imaging of fast and thermal neutron emissions
Abstract not provided.
Production of Ethylene via Ethane Dehydrogenation with Thermal Energy Storage Media from Renewable Solar Processes
Abstract not provided.
WNTR and related open-source software for water distribution system analysis: Training and discussion on future capabilities
Complete and Correct Transfer of Information (CACTI)
Many distributed systems, file transfer mechanisms, and message passing systems offer reliability mechanisms such as acknowledgements, retries, and durability. While these tools may be “good enough” for their typical use cases, they may not offer sufficient coverage for the wide range of faults that impact data transfers and communication. A gap in the reliability measures may lead to some small amount of data loss. Some high-consequence systems cannot tolerate the loss or corruption of even a single record. We present seven principles that will counter a wide range of faults and protect against data loss and corruption. These principles bring together lessons learned from a wide range of technologies and can inform appropriate system design and application usage. These principles will help readers reason on how prevent data loss in a multi-hop pipeline and how to properly use tools that may have a deficiency in reliability.
Non-linear encoding for multi-fidelity neural network surrogates
Abstract not provided.
Stabilized bases for high-order, interpolation semi-Lagrangian, element-based tracer transport
Journal of Computational Physics
In a computational fluid model of the atmosphere, the advective transport of trace species, or tracers, can be computationally expensive. For efficiency, models often use semi-Lagrangian advection methods. High-order interpolation semi-Lagrangian (ISL) methods, in particular, can be extremely efficient, if the problem of property preservation specific to them can be addressed. Atmosphere models often use geometrically and logically nonuniform grids for efficiency and, as a result, element-based discretizations. Such grids and discretizations make stability a particular problem for ISL methods. Generally, high-order, element-based ISL methods that use the natural polynomial interpolant associated with a nodal finite-element discretization are unstable. We derive new bases having order of accuracy up to nine, with positive nodal weights, that stabilize the element-based ISL method. We use these bases to construct the linear advection operator in the property-preserving Interpolation Semi-Lagrangian Element-based Transport (Islet) method. Then we discuss key software implementation details. Finally, we show performance results for the Energy Exascale Earth System Model's atmosphere dynamical core, comparing the original and new transport methods. These simulations used up to 27,600 Graphical Processing Units (GPU) on the Oak Ridge Leadership Computing Facility's Summit supercomputer.
Tuning the insulator metal transition in rare earth nickelates through dynamic electrochemical ion insertion
Abstract not provided.
Bayesian Optimal Experimental Design for Constitutive Model Calibration Using Full-Field DIC Data
Abstract not provided.
Trust Factors in Voice User Interfaces for International Nuclear Safeguards Inspectors
SNL Human Systems Symposium presentation for UUR release. This presentation has been approved for sensitivity review and for release by the sponsor
Trust in a Safeguards Voice User Interface for a Nuclear Material Measurement Task
INMM paper for UUR release. This manuscript has been approved for sensitivity review and for release by the sponsor
Development and testing of subcircuit surrogate models using Data-Driven Exterior Calculus and Xyce-PyMi
High level overview of Data-driven Discrete Exterior Calculus machine learning framework applied to device and circuit modeling.
Integrating Machine Learning into the Computational Calculations of Galvanic Corrosion
This is the poster I will present at the GRC Aqueous Corrosion meeting detailing our latest work on integrating Machine Learning into the Computational Calculations of Galvanic Corrosion
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