Post, August 7, 2026 • (National Institute of Standards and Technology) Simantha is a discrete event simulation package written in Python that is designed to model the behavior of discrete manufacturing systems. Specifically, it focuses on asynchronous production lines with finite buffers. It also provides functionality for modeling the degradation and maintenance of machines in...
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Simulated Microstructures for Laser Powder Bed Fusion Additive Manufacturing Using Myna, AdditiveFOAM, and ExaCA
Post, August 7, 2026 • (Oak Ridge National Laboratory) This dataset provides sample datasets containing voxelized, three-dimensional representations of simulated grain structures and crystallographic orientations that can result from laser powder bed fusion additive manufacturing. The six microstructure files each contain approximately 1 cubic millimeter of material (1 mm x 1 mm cross-section over 26...
Simulated Vibrational Density of States and X-ray Diffraction Profiles of Mechanically Deformed and Disordered Atomic Structures in Gold, Iron, Magnesium, and Silicon
Post, November 13, 2025 • (Sandia National Laboratories) Raw molecular dynamics (LAMMPS) dump files, X-ray diffraction (XRD) compute outputs, and text files containing velocity autocorrelation function (VACF) measurements, computed vibrational density of states (VDoS) profiles, and microstructural descriptors of the dump files. Data was collected using the molecular dynamics code LAMMPS from simulations of bulk...
Simulations of magnetized quark nugget dark matter in three layer witness plate
Post, November 13, 2025 • (Sandia National Laboratories, others) Magnetized quark nuggets (MQNs) are a recently proposed dark-matter candidate consistent with the Standard Model and with Tatsumi’s theory of quark-nugget cores in magnetars. Previous publications have covered their formation in the early universe, aggregation into a broad mass distribution before they can decay by the...
Simultaneous rheology and cure kinetics dictate thermal post-curing of thermoset composite resins for material extrusion
Post, August 7, 2026 • (National Institute of Standards and Technology) Thermoset composite structures printed at room temperature using direct ink writing often collapse during thermal post-curing. This behavior suggests that the rheological properties that govern structural stability (i.e., storage modulus and/or yield stress) are sensitive to both temperature and conversion. The rheo-Raman instrument provides...
Solar Variability Data
Post, November 13, 2025 • (Sandia National Laboratories) To determine the impact of solar variability to electric grid operations, appropriate samples of solar variability must be used, but determining appropriate variability samples is difficult for locations without ground measurements. In this work, we evaluate and model the relationship between high-frequency and low-frequency solar variability. The...
Spatial datasets of probabilistic wildfire risk components for the United States (270m) (3rd Edition)
Post, September 29, 2026 • (U.S. Department of Agriculture Forest Service) National data on burn probability (BP) and conditional flame-length probability (FLP) were generated for the conterminous United States (CONUS), Alaska, and Hawaii using a geospatial Fire Simulation (FSim) system developed by the USDA Forest Service Missoula Fire Sciences Laboratory. The FSim system includes modules...
Sputter deposited Mo thin films: multimodal characterization of residual stress, resistivity, crystallinity, and surface morphology
Post, November 13, 2025 • (Sandia National Laboratories) Multimodal datasets of materials are rich sources of information which can be leveraged for expedited discovery of process-structure-property relationships and for designing materials with specific structures and/or properties. Here, we provide a multimodal dataset of magnetron sputter-deposited molybdenum (Mo) thin films, which are used in a variety...
SRM 2693a Bituminous Coal (Nominal Mass Fraction 0.5% Sulfur) Data
Post, September 29, 2026 • (National Institute of Standards and Technology) Standard Reference Material (SRM) 2693a Bituminous Coal (Nominal Mass Fraction 0.5 % Sulfur) is intended for use in the evaluation of techniques employed in the determination of sulfur, mercury, chlorine, and ash in coal and materials of a similar matrix. A unit of SRM...
STanford EArthquake Dataset (STEAD):A Global Data Set of Seismic Signals for AI
Post, September 29, 2026 • (Stanford University) Seismology is a data rich and data-driven science. Application of machine learning for gaining new insights from seismic data is a rapidly evolving sub-field of seismology. The availability of a large amount of seismic data and computational resources, together with the development of advanced techniques can foster more...
Stanford Long Term Calendar Aging Dataset
Post, September 29, 2026 • (Stanford University) We highly recommend seeing the accompanying github repository to understand the data contents and how to use it. This dataset contains calendar aging from eight different cell types stored at 2 different SOCs and 4 different temperatures. For further details see accompanying paper: A decade of insights: Delving into calendar aging...
Steptoe Valley NV Data Compilation: Understanding a Stratigraphic Hydrothermal Resource Through Geophysical Imaging
Post, September 29, 2026 • (Sandia National Laboratories) Sandia National Laboratories partnered with a multi-disciplinary group of subject matter experts to evaluate a stratigraphic geothermal resource in Steptoe Valley, Nevada using both established and novel geophysical imaging techniques. Provided here are a compilation of newly acquired data over the area and select modeling efforts. This...
STILGAR Seismic Array Data
Post, September 29, 2026 • (Oak Ridge National Laboratory) Two three-component dense seismic arrays were deployed above an active limestone mine in Pleasant Gap, Pennsylvania; one in the fall and one in the spring of 2023. Each campaign lasted approximately four weeks and included 80 to 100 seismic stations with stations spaced between 100 and...
Stockton Aerial USGS Imagery from the Distributed Solar Photovoltaic Array Location and Extent Data Set
Post, September 29, 2026 • (Duke University) This collection of USGS Orthoimagery data contains the .tif images files and associated .xml metadata files for the Stockton, CA imagery data from the dataset: Bradbury, Kyle; Saboo, Raghav; Malof, Jordan; Johnson, Timothy; Devarajan, Arjun; Zhang, Wuming; Collins, Leslie; Newell, Richard: Distributed Solar Photovoltaic Array Location and Extent...
Storage Sizing GridView and Model Output Dataset
Post, September 29, 2026 • (Pacific Northwest National Laboratory) This dataset contains time series of output operational features from production cost simulations over historical weather conditions. Datasets are presented with respect to the Western Interconnection of the US, on a zonal scale. Operational features are obtained from production cost simulations based on the Western Electricity...
Strength Recovery of Cement Composites in Steam and Carbonate Environments
Post, November 13, 2025 • (Brookhaven National Labs) The data include compressive strength and Young's Modulus recoveries in steam and carbonate environments at 270 deg C for four chemically different cement composites after imposed controlled damaged. Link to Dataset Strength Recovery of Cement Composites in Steam and Carbonate EnvironmentsDate last updated: January 20, 2025
Supply Chain data for iron ore to finished good in the U.S.
Post, November 13, 2025 • (University of Michigan) Our work seeks to better understand the financial risks to corporate operations as a basis for exploring alternative public-private investment strategies. We applied network analysis to model financial relationships within this sector and its connectedness to primary commodities transported on the Great Lakes. The financial network maps...
Supporting Data for “Fundamental Insights into Additive Manufacturing with High-Speed Imaging and Machine Learning”
Post, August 7, 2026 • (Harvard University) Supporting High-Speed Video Data for "Fundamental Insights into Additive Manufacturing with High-Speed Imaging and Machine Learning". Contains 123 200-frame sequences captured at 15,000 fps of Electrohydrodynamic jet printing of glycerin at 4 cm standoff distance and varying voltage and pressure. Link to Dataset Supporting Data for "Fundamental Insights...
Suppression of filament defects in embedded 3D printing: images and videos of single filament extrusion
Post, August 7, 2026 • (National Institute of Standards and Technology) These images, videos, and tables show experimental data, where single lines of viscoelastic inks were extruded into moving viscoelastic support baths. Lines were printed at varying angles relative to the camera, such that videos and images captured the side of horizontal lines, cross-sections of...
The environmental footprint of data centers in the United States
Post, September 29, 2026 • (Lawrence Berkeley National Laboratory, Virginia Tech) Much of the world’s data are stored, managed, and distributed by data centers. Data centers re-quire a tremendous amount of energy to operate, accounting for around 1.8% of electricity use in the United States. Large amounts of water are also required to operate data...
The Third Sandia Fracture Challenge
Post, November 13, 2025 • (Sandia National Laboratories) The Third Sandia Fracture Challenge (SFC3) is a collaborative effort for assessment of the state-of-the-art predictive capability in ductile failure. The Challenge is designed such that computational modelers are asked to predict ductile failure in an unfamiliar geometry using provided standard materials data. The SFC3, issued in...
The Urban Energy-Water Nexus: Utility-Level Water Flows and Embedded Energy
Post, September 29, 2026 • (University of Illinois at Urbana-Champaign) There are limited open source data available for determining water production/treatment and required energy for cities across the United States. This database represents the culmination of a two-year effort to obtain data from cities across the United States via open records requests in order to...
Thermal images collected during 3D printing with Cincinnati BAAM
Post, August 7, 2026 • (Oak Ridge National Laboratory, University of Maine) This data set contains images produced to test the performance of anomaly and fault detection methods in the context of additive manufacturing. A total of 10 print jobs were executed using a Cincinnati BAAM (model 606) with a Cincinnati medium compression screw. The...
Thermal images collected during large-scale 3D printing with Ingersoll MasterPrint
Post, August 7, 2026 • (Oak Ridge National Laboratory, others) This data set contains images produced to test the performance of anomaly and fault detection methods in the context of additive manufacturing. Two print jobs were executed using the Ingersoll MasterPrint with the Model 30 Strangpresse extruder. The material used was Techmer compounded polylactic acid...
Thermographic measurements of single and multiple scan tracks on nickel alloy 625 substrates with and without a powder layer in a commercial laser powder bed fusion process (an additive manufacturing technology)
Post, August 7, 2026 • (National Institute of Standards and Technology) This dataset contains thermographic measurements acquired during single and multiple track scans on bare substrates and on single layers of powder. The substrates and powder are nickel alloy 625 and the experiments are performed inside a commercial laser powder bed fusion machine. There are...
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