Research Data Repository of Saxon Universities
OPARA is the Open Access Repository and Archive for Research Data of Saxon Universities.
Researchers of Saxon Universities can either publish their research data on OPARA, or archive it here to comply with requirements of funding agencies and good scientific practice, without public access.
You can find the documentation of this service at the OPARA manual websites. If you need suppourt using OPARA please contact the Servicedesk of TU Dresden.
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Recent Submissions
Data corresponding to paper: "A Feasibility Study of a Hybrid Digital Shadow System for Pavement-Load Monitoring" by Crampen et al. (submitted 2026)
(Technische Universität Dresden, 2026-11-04) Crampen, David; Hein, Marcel; Schäfer, Simon; Anantheswar, Atul; May, Marcel; Hagmanns, Moritz Peter Mathias; Kehls, Jannick; Yordanov, Ventseslav; Hartung, Felix; Kaliske, Michael; Wollny, Ines; Fazekas, Adrian; Oeser, Markus; Alrifaee, Bassam; Brepols, Tim; Scheunemann, Lisa; Eckstein, Lutz; Blankenbach, Jörg
This data publication contains the data related to the scientific contribution "A Feasibility Study of a Hybrid Digital Shadow System for Pavement-Load Monitoring" by Crampen et al. (submitted 2026).
Abstract of the corresponding paper:
Highway management requires integrated digital approaches to support predictive maintenance and extend pavement service life. Yet traffic loads, pavement-response simulations, and infrastructure context are commonly handled in isolated systems. Digital Twins can connect perception, analysis, and simulation in real-time but require heterogeneous data and models to be temporally aligned and coherently visualized.
We present a functional hybrid Digital Shadow demonstrator for road pavement-load monitoring that establishes interoperability between matching laboratory-scale and highway field installation physical twins, integrating both domains within a shared virtual orchestrator. The system integrates pressure sensing, optical vehicle tracking, chassis sensing, weigh-in-motion, finite element simulations, and a non-intrusive surrogate model into a georeferenced environment, enabling measurements and simulation results to be inspected in spatial and temporal context.
Live data integration and real-time pavement-response prediction are demonstrated in the laboratory, while weigh-in-motion (WIM) and chassis-sensor measurements are incorporated through timestamp-consistent replay, and high-fidelity pavement finite element (FE) simulations are integrated offline. With six simultaneously represented vehicles, the platform maintains 85 frames per second (FPS). Average round-trip latency remains below 10 ms and jitter below 6 ms over a wireless local area network (WLAN) at tested send intervals of 2 to 50 ms. The surrogate predicts pavement-response fields in approximately 10 ms, reducing computation time by three orders of magnitude versus the full-order FE model, and achieves a normalized mean squared error (NMSE) below 3 % for 80 % of 1,480 evaluated pressure states. Although pavement-response validation remains model-to-model, the demonstrator provides a functional, extensible foundation for future operational road Digital Twins.
Supplementary Materials to Cost-Benefit Analysis of Age-based Screening for driving license renewal
(Technische Universität Dresden, 2026-11-03) Kannegiesser, Tano
This repository contains the working documents and supplementary material to the publication "Cost-Benefit Analysis of Age-based Screening for driving license renewal".
Localized actin cortex perturbation generates cell-scale membrane tension gradients
(Technische Universität Dresden, 2026-10-27) Panda, Yogishree Arabinda
Membrane tension is a key mechanical regulator of cell signaling, morphology, and division. Whether cells can sustain spatial gradients in membrane tension, or whether such asymmetries are rapidly dissipated by long-range tension propagation, remains actively debated. Here, we use the tension-sensitive fluorescent probe FliptR to directly measure changes in in-plane membrane tension following localized optogenetic activation of RhoA in mitotic HeLa cells. We find that local RhoA activation induces a sustained, cell-scale gradient in FliptR lifetime, consistent with a cell-scale in-plane membrane tension gradient and tension elevation on the non-activated side. This gradient depends on an intact actin and microtubule cytoskeleton and is accompanied by polarized cytoskeletal remodeling, with cortical F-actin enrichment at the activation site and asymmetric microtubule growth on the opposite side. AFM tether-force measurements reveal increased tether forces at the activated side, indicating locally enhanced membrane–cortex coupling. A coarse-grained membrane chemical-potential model explains how spatially heterogeneous membrane–cortex coupling can maintain such gradients. Together, our findings show that cells can actively generate and sustain spatially patterned mechanical states through localized cytoskeletal signaling.
Data corresponding to: Confirmation of complex non-collinear Fe(II) spin ordering in the iron oxychalcogenide La2O2Fe2OSe2 by broad range 139La-NQR
(Technische Universität Dresden, 2026-10-27) Weinhold, Tillmann; Seewald, Felix; Herrmann, Cornelius
The dataset contains NMR/NQR and Mössbauer data that is presented in Confirmation of complex non-collinear Fe(II) spin ordering in the iron oxychalcogenide La2O2Fe2OSe2 by broad range 139La-NQR.
FOR 3010: Thermal Expansion and Phase Transformation up to 1200 °C of Metastable Aluminas Produced by Flame Spraying
(Technische Universität Bergakademie Freiberg, 2026-10-27) Zienert, Tilo; Aneziris, Christos G.
The transition aluminas δ1 and the cubic, non-spinel-type η-Al2O3 were detected in addition to α-Al2O3 in flame-sprayed material. Their transitions from room temperature up to 1200 °C were investigated by high-temperature XRD measurements. Structural changes with time and temperature were observed for all transition aluminas (η-, δ1- and θ-Al2O3). The phases followed the expected transition sequence of η→δ1→θ→α and showed mainly linear, temperature-independent transition rates. Based on the determined thermal expansion of the phases, it is proposed that the metastable transitions are at least partly mechanically induced. In addition, a second-order phase transition from η→θ might be indicated around 1050–1075 °C by the determined trends of density.