/sc/projects/Recent content on Scientific Computing LaboratoryHugo -- gohugo.ioenMon, 15 Feb 2021 09:53:05 +0100/sc/projects/nems/Tue, 27 Jan 2026 08:30:00 +0100/sc/projects/nems/The proposed research project focuses on the optimization of Nanoelectromechanical systems (NEMS) devices, i.e., MEMS devices shrunk to nanometer scale. NEMS are nano-scale devices that consist of miniaturized electrical and mechanical apparatuses such as actuators, beams, sensors, pumps, resonators, and motors. Due to the low power consumption, fast response time, and low mass, NEMS achieve extreme measurement sensitivity and have thus vast potential in many engineering and industrial applications. The design and analysis of any electromechanical system start with understanding the devices’ thermo-electro-mechanical behaviour and their interactions with external forces./sc/projects/pdtr/Tue, 27 Jan 2026 08:30:00 +0100/sc/projects/pdtr/In the last years, we witness an extremely rapid development of the electricity market and services, mainly due to the inclusion of renewable electricity resources in the network, which can cause extensive and rapid changes in the load. As a result, existing power lines have already exhibited bottlenecks that have caused system-wide instabilities and blackouts in the past. The transmission system operators (TSOs) are thus striving to increase the transmission capacity of existing overhead lines without compromising system stability./sc/projects/eles_npr/Thu, 16 Dec 2021 13:00:00 +0100/sc/projects/eles_npr/The Diagnostics and Analytics Centre (DAC) of the Slovenian power transmission operator (ELES) is a meeting point for mass data, advanced analytics, technical expertise and good engineering practices, which are translated by data engineers and scientists into modern management of ELES assets. DAC worked with JSI to bring modern data analytics into the optimization of maintenance costs of several transformer units that utilize on-load tap changers (OLTC). The engineers overseeing the transformer need to frequently change the unit’s configuration to fit the electricity demands of the nearby regions./sc/projects/trafoflex/Thu, 16 Dec 2021 13:00:00 +0100/sc/projects/trafoflex/The Slovenian low-voltage distribution grid is facing a rapid peak load growth, mainly due to the massive transition to electric heating and the increasing integration of electric vehicle charging infrastructure. The pace of emerging problems – given the massive integration of renewables - is greater than the ability of the DSOs to reinforce the grid. That’s why it’s important to utilize the existing distribution power system infrastructure as much as possible./sc/projects/rf_model/Thu, 07 Oct 2021 08:30:00 +0100/sc/projects/rf_model/Comprehensive understanding of radio wave propagation is essential to any further development of wireless networks. The diversity of communications brings new demands in the system requirements. In addition to the high data rates, high expectations for communication link latency, reliability and density of the wireless devices are necessary. In telecommunications the signal wavelength is small compared to the physical features of objects, therefore ray-tracing techniques provide solutions that are efficient, fast and still within time constraints./sc/projects/aicoachu/Thu, 07 Oct 2021 08:30:00 +0100/sc/projects/aicoachu/Physical activity is one of the key contributors to health and quality of life. Running is popular and an efficient and affordable modality of physical activity. However, if done improperly, it may induce injuries leading to lower life quality and additional health and social costs. Therefore, it is important to provide tools for effective and injury-free physical activity. In the present study, a new generation of IMU sensors (smart) patches with considerably smaller dimensions and weight will be employed for rearfoot and pelvis stability measurement and their changes due to fatigue during running at different velocities and surface inclinations./sc/projects/transnetbw/Thu, 07 Oct 2021 08:30:00 +0100/sc/projects/transnetbw/The transfer capabilities of overhead power lines are limited by the critical power line temperature that depends on the magnitude of the transferred current and the ambient conditions. To utilize existing power lines more effectively and more safely, concerning the critical power line temperatures, and to enforce safety measures during potentially dangerous events, Dynamic Thermal Rating (DTR) systems have been developed for the past 30 years. DTR allows transmission system operator (TSO) to monitor and predict the maximal allowed ampacity (transfer capability) of the power grid based on weather measurements and forecast systems./sc/projects/diter_redesign/Thu, 07 Oct 2021 08:30:00 +0100/sc/projects/diter_redesign/In 2024, we started working on a redesign of DiTeR, a modular software designed to predict the thermal state of power lines under specific operating and weather conditions. The aim of this redesign is to enhance its modularity, enabling custom models to be assembled from various components of the IEEE or CIGRE standards, as well as custom models. The new implementation will allow for integration with the Medusa numerical library facilitating coupling with CFD and potential mechanical models./sc/projects/hedge/Thu, 07 Oct 2021 08:30:00 +0100/sc/projects/hedge/Holistic Approach towards Empowerment of the DiGitalization of the Energy Ecosystem through adoption of IoT solutions (HEDGE-IoT) proposes a novel Digital Framework which aims to deploy IoT assets at different levels of the energy system (from behind the-meter, up to the TSO level), to add intelligence to the edge and cloud layers through advanced AI/ML tools and to bridge the cloud/edge continuum introducing federated applications governed by advanced computational orchestration solutions./sc/projects/crp_random/Tue, 07 Sep 2021 08:30:00 +0100/sc/projects/crp_random/One of the critical elements of cryptography is a random number generator (RNG). Cryptographic operations require large quantities of random numbers and their quality depends greatly on the randomness of the used numbers. Using a predictable random generator can render even the best of cryptograpic condes easily breakable as has been demonstrated repeatedly in the past. Pseudo-random generators, which are prevailing in computer science, are therefore generally not sufficient for cryptography./sc/projects/gtacosco/Thu, 11 Mar 2021 15:24:55 +0100/sc/projects/gtacosco/Within this project, in cooperation with Faculty of Computer and Information Science (FRI), InnoRenew (SI) and Alfréd Rényi Institute of Mathematics (HU), we are identifying the problems related to the Combinatorial Scientific Computing and Graph Theory. We design and develop optimization algorithms that can be used on graph-based problems for execution on massively parallel computers. Special focus of the research is on connecting the theory with applications. Project is focused on connecting applications with theory./sc/projects/eles_icing/Mon, 01 Mar 2021 20:00:35 +0100/sc/projects/eles_icing/Scheme of physical model. In February 2014, a severe icing storm hit Slovenia and caused damage in order of 8.5 million € only on the power transmission network. In cooperation with Milan Vidmar Electric Power Research Institute (EIMV) and Slovenian Environment Agency (SEA), we developed and validated a DTRi (Dynamic Thermal Rating - icing) model, which was implemented as a prototype system for operative forecasting and prevention of icing on high voltage transmission lines./sc/projects/pcard/Fri, 26 Feb 2021 08:58:52 +0100/sc/projects/pcard/Wearable wireless ECG sensor during measurements The motivation for this project proposal comes from the lack of widely accepted mHealth solutions, despite the world of ubiquitous mHealth enabling digital devices, being developed to provide improved medical care with reduced costs. Perhaps the most distinguished among these devices are the wearable wireless sensors, which have become advanced enough to provide reliable physiological readings for health management. The demonstrator of the principles of wireless ECG measurement has been designed, prototyped, and developed to TRL 9./sc/projects/graphopt/Thu, 25 Feb 2021 19:29:07 +0100/sc/projects/graphopt/The main goal of the project was identifying problems related to the Big Data challenge in terms of graph models, proving theorems related to these parameters (chromatic number, independence number, etc.), designing (highly parallel optimization) graph algorithms for solving these models, and implementing them in parallel computing environments. The project consisted of theoretic and application oriented parts: the applications posed the most important practical problems (typically somewhat simpler than the problem in full generality) and the theoretical research tried to find theorems that could be applied in the particular question to develop a supercomputer effective procedure./sc/projects/fwo/Thu, 25 Feb 2021 18:48:55 +0100/sc/projects/fwo/Our lab joined the project in July 2016 and started with the execution performance analysis of ABAQUS software that UGent uses to investigate fretting fatigue problem. After extensive testing, with more than 4000 experiments performed, we showed that the ABAQUS environment does not enable satisfactory accelerations with parallel computation under conditions that are required for this project. Therefore, JSI proposed an alternative solution for stress analysis, which is the most cumbersome part of the fretting fatigue simulation, based on local weak and strong form meshless methods./sc/projects/eles_nc/Thu, 25 Feb 2021 18:42:52 +0100/sc/projects/eles_nc/The development of Dynamic Thermal Rating (DTR) systems for transmission lines in recent years led to a better and safer utilization of the existing transmission network. In the past, line ratings were usually set to a constant value, determined by a set of unfavorable weather conditions that were considered as worst case scenario, i.e. ambient temperature of 35 °C, low wind speed of 0.6 m/s and high solar irradiation of 800–900 W/m2./sc/projects/saam/Thu, 25 Feb 2021 18:30:33 +0100/sc/projects/saam/The objective of the project is to develop and validate a Virtual Assistant – “Coach” that supports the process of healthy and active ageing of elderly people that are still active but in risk of disconnecting from the Society. SAAM aims at monitoring and supporting (coaching) elderly in four basic (main) domains: mobility, activity, sleep and social activity; and three advanced domains: dietary, cognition and emotion, and cardio-vascular health. The main challenge in designing the overall SAAM system architecture is that the employed technology needs to remain hidden or unobtrusive to the largest extent possible, yet in service of the user to help her/him gain the sense of safety and independence while benefitting from the social inclusion provided by its social circles and caregivers./sc/projects/eles_mn/Thu, 25 Feb 2021 17:08:42 +0100/sc/projects/eles_mn/High-voltage transmission lines represent an important segment of the electric power transmission network. They not only connect the production and consumption network in Slovenia, but also connect the Slovenian transmission system with neighboring ones. In the last years, we witness an extremely rapid development of the electricity market and services, mainly due to the inclusion of renewable electricity resources in the network. System operators in recent years have faced challenges in how to ensure maximum transmission capacity of the system to satisfy market needs, while maintaining operational safety and permissible impact on the environment./sc/projects/ekosmart/Thu, 25 Feb 2021 12:16:23 +0100/sc/projects/ekosmart/The EkoSmart program focuses on the integration of solutions in different areas into a common ecosystem. Too often the practice of introduction of smart cities shows limited focus on certain areas and lacks connection with others. One of the important objectives of the EkoSmart program is therefore the development of the platform with the same name (EkoSmart platform) which will allow easy integration of sector-specific solutions into a common ecosystem (featured in the program, as well as others) and will, as such, facilitate the identification and support of inter-sectoral value chains./sc/projects/jellyfish/Sun, 01 Nov 2020 08:00:00 +0100/sc/projects/jellyfish/The complex pool of dissolved organic matter (DOM) in the oceans - one of the largest global reservoirs of carbon in the biosphere is almost exclusively accessible to marine microorganisms, the most abundant, diverse and productive organisms in marine food webs. Diverse members of the microbial community with different types of metabolisms interact with the broad spectrum of compounds present in the oceanic DOM pool and thereby, affecting the biogeochemical state of the ocean and thus the global climate./sc/projects/meteo/Sun, 01 Nov 2020 08:00:00 +0100/sc/projects/meteo/Weather data providers typically provide meteorological variables on a horizontal spatial resolution in order of kilometre or more. Therefore, to capture complex terrain details on smaller scales and to get meteorological variables on specific locations (computational points typically do not correspond to the actual points of interest) downscaling of meteorological fields is required. Example computational domain used for downscaling. Several methods for downscaling mesoscale meteorological data have been proposed, including statistical downscaling, dynamical downscaling and hybrid approaches combining statistical and dynamical methods./sc/projects/ncn/Sun, 01 Nov 2020 08:00:00 +0100/sc/projects/ncn/Porous media are everywhere. Fluid flow through them is of utmost importance for science, technology, and life, as the lungs and the arterial system may be in fact treated as porous systems. However, despite decades of research, there are still some fundamental problems that remain open and hinder our understanding of this phenomenon. One of them is how to link the microscopic flow, particularly through pores, with the macroscopic properties of the entire sample./sc/projects/glaciers/Thu, 01 Oct 2020 08:00:00 +0100/sc/projects/glaciers/Former mountain glaciers are important analogues for understanding contemporary ice masses and their future interactions with climate. Formerly glaciated mountain landscapes are also important archives for the study of climate change during the Quaternary. The European Alps are one of the regions where geological markers of past glaciations are most abundant and well-studied. The same is, however, not true for the south-eastern corner of the Alps and neighbouring northern Dinarides, despite the fact that here the glacial history has been studied since the late nineteenth century.