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The alternating current optimal power flow (AC-OPF) problem is critical to power system operations and planning, but it is generally hard to solve due to its nonconvex and large-scale nature. This paper proposes a scalable decomposition…

Optimization and Control · Mathematics 2020-06-12 Shenyinying Tu , Andreas Waechter , Ermin Wei

In distributed computing frameworks like MapReduce, Spark, and Dyrad, a coflow is a set of flows transferring data between two stages of a job. The job cannot start its next stage unless all flows in the coflow finish. To improve the…

Networking and Internet Architecture · Computer Science 2018-12-18 Li Shi , Junwei Zhang , Yang Liu , Thomas Robertazzi

The batch and online workload of Internet data centers (IDCs) offer temporal and spatial scheduling flexibility. Given that power generation costs vary over time and location, harnessing the flexibility of IDCs' energy consumption through…

Systems and Control · Electrical Eng. & Systems 2024-11-27 Chuyi Li , Kedi Zheng , Hongye Guo , Chongqing Kang , Qixin Chen

This article deals with the problem of finding the best topology, pipe diameter choices, and operation parameters for realistic district heating networks. Present design tools that employ non-linear flow and heat transport models for…

Computational Engineering, Finance, and Science · Computer Science 2020-10-19 Maarten Blommaert , Yannick Wack , Martine Baelmans

The cooling system is a key factor in power transformer designs. The frequent need for optimized projects further increases the importance of development through of increasingly developed tools. This work aims to evaluate a transformer…

Signal Processing · Electrical Eng. & Systems 2019-02-25 Anderson Santos Nunes , Allan Schwanz , Eduardo Postali , Marcelo Kruger

The deployment of ML models on edge devices is challenged by limited computational resources and energy availability. While split computing enables the decomposition of large neural networks (NNs) and allows partial computation on both edge…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-11-01 Daniel May , Alessandro Tundo , Shashikant Ilager , Ivona Brandic

Engineering design processes involve iterative design evaluations requiring numerous computationally intensive numerical simulations. Quantum algorithms promise substantial speedups for specific tasks relevant to engineering simulations.…

Quantum Physics · Physics 2026-03-26 Leonhard Hölscher , Lukas Müller , Or Samimi , Tamuz Danzig

This paper optimizes the scheduling and routing of the co-flows of MapReduce shuffling phase in state-of-the-art and proposed Passive Optical Networking (PON)-based Data Centre Network (DCN) architectures. A time-slotted Mixed Integer…

Networking and Internet Architecture · Computer Science 2020-08-11 Sanaa Hamid Mohamed , Ali Hammadi , Taisir E. H. El-Gorashi , Jaafar Mohamed Hashim Elmirghani

Data compression has the potential to significantly improve the computation offloading performance in hierarchical fog-cloud systems. However, it remains unknown how to optimally determine the compression ratio jointly with the computation…

Information Theory · Computer Science 2019-07-23 Ti Ti Nguyen , Vu Nguyen Ha , Long Bao Le , Robert Schober

Hyperledger Fabric (HLF) is a modular, permissioned blockchain widely adopted in enterprise settings. Enhancing its throughput and latency remains challenging, as optimization decisions made in one phase of the transaction lifecycle can…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-05-01 Pavan Sollu , Aniruddha Mukherjee , Divya Pulivarthi , S. R. Eshwar , Gugan Thoppe , Kshitij Pratihast , Tittu Varghese , Hrishikesh Nashikkar , Yogesh Simmhan

Recent advances in second generation (YBCO) high temperature superconducting wire could potentially enable the design of super high performance energy storage devices that combine the high energy density of chemical storage with the high…

Instrumentation and Detectors · Physics 2014-05-15 I K Dimitrov , X Zhang , V F Solovyov , O Chubar , Qiang Li

Scavenging the idling computation resources at the enormous number of mobile devices can provide a powerful platform for local mobile cloud computing. The vision can be realized by peer-to-peer cooperative computing between edge devices,…

Information Theory · Computer Science 2017-09-05 Changsheng You , Kaibin Huang

The highly non-convex AC optimal power flow problem is known to scale very poorly with respect to the number of lines and buses. To achieve improved computational speed and scalability, we apply a distributed optimization algorithm, the…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-11-27 Alexander Murray , Michael Kyesswa , Philipp Schmurr , Hüseyin K Çakmak , Veit Hagenmeyer

In this work, we obtain the numerical temperature field to a thermally developing fluid flow inside parallel plates problem with a quantum computing method. The physical problem deals with the heat transfer of a steady state,…

For current High Performance Computing systems to scale towards the holy grail of ExaFLOP performance, their power consumption has to be reduced by at least one order of magnitude. This goal can be achieved only through a combination of…

Distributed, Parallel, and Cluster Computing · Computer Science 2016-06-01 Alina Sîrbu , Ozalp Babaoglu

Design of wave energy converter farms entails multiple domains that are coupled, and thus, their concurrent representation and consideration in early-stage design optimization has the potential to offer new insights and promising solutions…

Systems and Control · Electrical Eng. & Systems 2024-05-14 Saeed Azad , Daniel R. Herber , Suraj Khanal , Gaofeng Jia

The present study proposes an optimized computational fluid dynamics (CFD) modelling framework to provide a complete and accurate representation of combustion and heat transfer phenomena in the radiation section of an industrial top-fired…

Data centers have become one of the major energy consumers, making their low-carbon operations critical to achieving global carbon neutrality. Although distributed data centers have the potential to reduce costs and emissions through…

Systems and Control · Electrical Eng. & Systems 2024-12-31 Rui Xie , Yue Chen , Xi Weng

We perform a quantitative analysis of the cooling dynamics of three-level atomic systems interacting with two distinct lasers. Employing sparse-matrix techniques, we find numerical solutions to the fully quantized master equation in steady…

Atomic Physics · Physics 2009-11-13 Josh W. Dunn , J. W. Thomsen , Chris H. Greene , Flavio C. Cruz

As novel applications spring up in future network scenarios, the requirements on network service capabilities for differentiated services or burst services are diverse. Aiming at the research of collaborative computing and resource…

Networking and Internet Architecture · Computer Science 2021-02-25 Zhuo Li , Xu Zhou , Yang Liu , Congshan Fan , Wei Wang