Helmholtz Institute Freiberg for Resource Technology
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1328 research outputs found
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HELIPORT (HELmholtz ScIentific Project WORkflow PlaTform)
No full textThe guidance system HELIPORT aims to make the entire life cycle of a project at the HZDR searchable, accessible, complete and reusable according to the FAIR principles, mentioned below. In particular, our data management solution deals with the areas from the generation of the data to the publication of primary research data, the workflows carried out and the actual research results. For this purpose, a concept was developed which shows the various essential components and their connections. Descriptions of the individual components can be found in our RODARE publication: 10.14278/rodare.19
Slice2Volume: Fusion of multimodal medical imaging and light microscopy data of irradiation-injured brain tissue in 3D.
No full textThe dataset contains comprehensive image data for a total of nine mice, which underwent normal tissue brain irradiation with 90 MeV protons.
In particular, the image data comprise cone-bem computed tomographies (CBCT), Monte Carlo beam transport simulations based on those CTs, regular magnetic resonance imaging (MRI) follow-up (≥ 26 weeks), a co-aligned DSURQE mouse brain atlas and scanned whole-brain tissue sections with histochemical and immunofluorescent markers for morphology (H&E), cell nuclei (DAPI), astrocytes (GFAP), microglia (Iba1), the intermediate filament protein Nestin, proliferation (Ki67), neurons (NeuN) and oligodendrocytes (OSP).
The volumetric image data (i.e. CBCT, MRI and brain atlas) were co-aligned using the ImageJ plugin Big Warp. The CBCT data was used as spatial reference to allow for mask-based, slice-wise alignment of CBCT and light microscopy image data in 3D with the scriptable registration tool Elastix.
We provide the data in raw format and as aligned data sets, as well as their spatial transformations
cupla - C++ User interface for the Platform Independent Library alpaka
No full textcupla [qχɑpˈlɑʔ] is a simple user interface for the platform independent parallel kernel acceleration library alpaka. It follows a similar concept as the NVIDIA® CUDA® API by providing a software layer to manage accelerator devices. alpaka is used as backend for cupla
Benchmark results for real-time UFXCT data processing
No full textThis dataset holds the subset of benchmark results relevant for the publication "Real-time data processing for Ultrafast X-Ray Computed Tomography using Modular CUDA based Pipelines". Alongside the data, Matlab scripts are provided for parsing and plotting the data
Scripts and Models for "Predicting electronic structures at any length scale with machine learning"
No full textScripts and Models for "Predicting the Electronic Structure of Matter on Ultra-Large Scales"
This data set contains scripts and models to reproduce the results of our manuscript "Physics-informed Machine Learning
Models for Scalable Density Functional Theory Calculations". The scripts are supposed to be used in conjunction
with the ab-initio data sets also published alongside our research article.
Requirements
python>=3.7.x
mala>=1.1.0
ase
numpy
Contents
| Folder name | Description |
|------------------|--------------------------------------------------|
| data_analysis/ | Run script for RDF calculations |
| model_inference/ | Run script to run inference based on MALA models |
| model_training/ | Run script to train MALA models |
| trained_models/ | Trained models for beryllium and aluminium
Data publication: A New Group of Two-Dimensional Non-van der Waals Materials with Ultra Low Exfoliation Energies
No full textThis dataset includes the primary research data for the publication "A New Group of Two-Dimensional Non-van der Waals Materials with Ultra Low Exfoliation Energies"
HZDR Multiphase Addon for OpenFOAM
No full textThe HZDR Multiphase Addon is a software publication released by Helmholtz-Zentrum Dresden-Rossendorf according to the FAIR principles (Findability, Accessibility, Interoperability, and Reuseability). It contains experimental research work for the open-source CFD software OpenFOAM, released by The OpenFOAM Foundation. The developments are dedicated to the numerical simulation of multiphase flows, in particular to the multi-field two-fluid model (Euler-Euler method).
Highlights of the provided addon are:
HZDR Baseline Model: addonMultiphaseEulerFoam solver with full support of the HZDR baseline model set for polydisperse bubbly flows, including configuration files and tutorials for simplified setup of Baseline cases (Hänsch et al., 2021).
Population Balance Modelling: A GPU-accelerated population balance method according to Petelin et al. (2021).
OpenFOAM-Hybrid cipsaMultiphaseEulerFoam solver featuring a hybrid modelling approach (dispersed and resolved interfaces, Meller et al., 2021) with an interface to the multiphaseEulerFoam framework to utilise all available interfacial models, and configuration files and tutorials for easy setup of hybrid cases.
more ...This work was supported by the Helmholtz European Partnering Program in the project "Crossing borders and scales (Crossing)"
Data for: Spin-wave frequency combs
No full textData were obtained by means of Brillouin light scattering microscopy, micro magnetic simulations in MuMax3 and analytic calculations
Data publication: FPGA Testbench for Beam-Based Feedback
No full textThe testbench data to compare the time response of a 4th-order regulator implemented in fixed-point with the same regulator simulated in a floating-point MATLAB model
Data publication: Examining different regimes of ionization-induced damage in GaN through atomistic simulations
No full textTwo Temperature Model - Molecular Dynamics (TTM-MD) simulations describing the interaction of Swift Heavy Ions (0.35-0.54 MeV/amu Xe, 0.6 and 5.8 MeV/amu Pb, and 3.8 MeV/amu U ions. The simulations are discussed in:
Sequeira, M. C., Djurabekova, F., Nordlund, K., Mattei, J.-G., Monnet, I., Grygiel, C., Alves, E., Lorenz, K., Examining Different Regimes of Ionization-Induced Damage in GaN Through Atomistic Simulations. Small 2022, 2102235. https://doi.org/10.1002/smll.202102235
Each zip file contains the input and output corresponding to each ion simulation. The input and output files are those used and generated by PARCAS 5.22 (https://gitlab.com/acclab/parcas). The radial energy profile deposited by the ion, as calculated within the TTM, can be found in the in/track.in file. The file contains two columns: one with the distance to the ion trajectory (in Angstrom) and another with the energy per atom (in eV/atom). For additional information on the simulations (e.g. bulk vs surface), please refer to the methods section of the reference above