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Proceedings of the Winter Simulation Conference

作者： Samuel Ferrero-Losada José L. Risco-Martín José A. López-Orozco Eva Besada-Portas Dept. of Computer Architecture and Automation Universidad Complutense de Madrid Madrid Spain

ISBN: (纸本)9798331534202

Addressing the prediction of Harmful Cyanobacterial Blooms (CyanoHABs) is critical due to the increasing strain on global water resources from climate change and overexploitation. This paper introduces a combined physical and biological modeling approach for simulating the 3D migration, growth, and decay of cyanobacteria colonies in water bodies. Utilizing the Smoothed Particle Hydrodynamics (SPH) method, our model accommodates complex geometries with high accuracy. This adaptable open-source framework significantly enhances the simulation of cyanobacteria migration in three dimensions, a capability often lacking in existing environmental lake simulators. Moreover, it is being integrated into an advanced early warning system, representing a digital twin of the water body. This integration aims to improve the prediction and management of CyanoHABs, contributing to safeguard water quality and ecosystem health.

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GAIWAP (Gait Analysis to Determine the Improvement of Walking Ability in People with Disabilities)

GAIWAP (Gait Analysis to Determine the Improvement of Walkin...

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2025 International Conference on Control, Automation, and Instrumentation, IC2AI 2025

作者： Borcsok, Josef Schwarz, Michael H. Drabesch, Malte Kinsch, Christian Strobl, Walter Michael Sengolge, Mathilde Breitenbach, Jurgen University of Kassel Dept. of computer architecture and system programming Kassel Germany Universität für Weiterbildung Krems Fakultät für Gesundheit und Medizin Medizin und Forschung Zentrum für Gesundheitswissenschaften und Medizin Dept. für Gesundheitswissenschaften KremsA-3500 Austria

ISBN: (纸本)9798331529604

The use of complex electronic systems in medical technology applications is constantly increasing. These systems are becoming increasingly important, particularly in the area of analyzing the progress of treatment, as they can be used to identify any deficits that may still exist. Although systems are now available from a number of manufacturers, they are not always applicable to all mobile problems, so approaches with adapted system technology must be used. © 2025 IEEE.

关键词： Gait analysis

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Methodology for Online Estimation of Rheological Parameters in Polymer Melts Using Deep Learning and Microfluidics 24

Methodology for Online Estimation of Rheological Parameters ...

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Proceedings of the Winter Simulation Conference

作者： Juan Sandubete-López José L. Risco-Martín Alexander H. McMillan Eva Besada-Portas Dept. of Computer Architecture and Automation Universidad Complutense de Madrid Madrid SPAIN and Microfluidics Innovation Center Paris FRANCE Dept. of Computer Architecture and Automation Universidad Complutense de Madrid Madrid SPAIN Microfluidics Innovation Center Paris FRANCE

ISBN: (纸本)9798331534202

Microfluidic devices are increasingly used in biological and chemical experiments due to their cost-effectiveness for rheological estimation in fluids. However, these devices often face challenges in terms of accuracy, size, and cost. This study presents a methodology, integrating deep learning, modeling and simulation to enhance the design of microfluidic systems, used to develop an innovative approach for viscosity measurement of polymer melts. We use synthetic data generated from the simulations to train a deep learning model, which then identifies rheological parameters of polymer melts from pressure drop and flow rate measurements in a microfluidic circuit, enabling online estimation of fluid properties. By improving the accuracy and flexibility of microfluidic rheological estimation, our methodology accelerates the design and testing of microfluidic devices, reducing reliance on physical prototypes, and offering significant contributions to the field.

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ms-Mamba: Multi-scale Mamba for Time-Series Forecasting

arXiv

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arXiv 2025年

作者： Karadag, Yusuf Meric Kalkan, Sinan Dino, Ipek Gursel Dept. of Computer Eng. ROMER Robotics Center Middle East Technical University Turkey Dept. of Architecture ROMER Robotics Center Middle East Technical University Turkey

The problem of Time-series Forecasting is generally addressed by recurrent, Transformer-based and the recently proposed Mamba-based architectures. However, existing architectures generally process their input at a single temporal scale, which may be sub-optimal for many tasks where information changes over multiple time scales. In this paper, we introduce a novel architecture called Multi-scale Mamba (ms-Mamba) to address this gap. ms-Mamba incorporates multiple temporal scales by using multiple Mamba blocks with different sampling rates (∆s). Our experiments on many benchmarks demonstrate that ms-Mamba outperforms state-of-the-art approaches, including the recently proposed Transformer-based and Mamba-based models. Codes and models will be made available. Copyright © 2025, The Authors. All rights reserved.

关键词： Time series

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GAIWAP (Gait Analysis to Determine the Improvement of Walking Ability in People with Disabilities)

GAIWAP (Gait Analysis to Determine the Improvement of Walkin...

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Control, Automation, and Instrumentation (IC2AI), International Conference on

作者： Josef Börcsök Michael H. Schwarz Malte Drabesch Christian Kinsch Walter Michael Strobl Mathilde Sengölge Jürgen Breitenbach Dept. of computer architecture and system programming University of Kassel Kassel Germany Dept. für Gesundheitswissenschaften Fakultät für Gesundheit und Medizin Medizin und Forschung Zentrum für Gesundheitswissenschaften und Medizin Universität für Weiterbildung Krems Krems

ISBN: (数字)9798331529604

ISBN: (纸本)9798331529611

关键词： Legged locomotion Automation Three-dimensional displays Accuracy Instruments People with disabilities Cameras Recording Gait recognition

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Finite element analysis of square concrete-filled-tube column under cyclic shear-bending considering compressive damage of concrete

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Journal of Structural and Construction Engineering 2019年第755期84卷 29-37页

作者： Fujiwara, Jun Ohsaki, Makoto Tagawa, Hiroyuki Miyamura, Tomoshi Yamashita, Takuzo NIED Japan Dept. of Architecture and Architectural Eng. Kyoto Univ. Japan Dept. of Architecture Mukogawa Womens Univ Japan Dept. of Computer Science Nihon Univ. Japan

A finite element analysis of a square concrete-filled-tube (CFT) column under cyclic shear-bending loading is conducted. The concrete constitutive model proposed by the authors, which has extended Drucker-Prager yield surface and a simple damage criterion for representing softening behavior in compression, is updated. A reproducing analysis of a static cyclic bending experiment of a CFT column is performed. The load-deformation relations obtained from the experimental and numerical results are compared. From the numerical result, the damage progress of the filled concrete and the steel-concrete interaction are visually illustrated and discussed. © 2019 Architectural Institute of Japan. All rights reserved.

关键词： Finite element method

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Mixed-radix twisted torus interconnection networks

Mixed-radix twisted torus interconnection networks

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21st International Parallel and Distributed Processing Symposium, IPDPS 2007

作者： Cámara, José M. Moretó, Miquel Vallejo, Enrique Beivide, Ramón Miguel-Alonso, José Martínez, Carmen Navaridas, Javier University of Burgos Dept. of Electromechanical Engineering Technical University of Catalonia Dept. of Computer Architecture University of Cantabria Computer Architecture Group University of the Basque Country Dept. of Computer Architecture and Technology

ISBN: (纸本)1424409101

Many parallel computers use Tori interconnection networks. Machines from Cray, HP and IBM, among others, exploit these topologies. In order to maintain full network symmetry, 2D and 3D Tori (k-ary 2-cubes and k-ary 3-cubes) must have the same number of nodes (k) per dimension resulting in square or cubic topologies. Nevertheless, for practical reasons, computer engineers have designed and built 2D and 3D Tori having a different number of nodes per dimension. These mixed-radix topologies are not edge-symmetric which translates into poor performance provoked by an unbalanced use of the network links. In this paper, we propose and analyze twisted 2D and 3D Tori which remove the network bottlenecks present in mixed-radix standard Tori. These new topologies recover edge-symmetry and, consequently, balance the utilization of their links. We describe the distance-related parameters of these twisted networks and use simulation to asses their performance under synthetic loads. The obtained results show noticeable and consistent performance gains (up to a 88% increase in accepted load). In addition, we propose scalable and practicable packet routing and folding techniques for these interconnection subsystems. The complexity of the resulting architectural solutions is similar to the one exhibited by traditional routing and folding mechanisms employed in standard Tori. This fact together with the performance improvements obtained could justify the use of these twisted topologies in the future. © 2007 IEEE.

关键词： Interconnection networks

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Seismic response analysis of super-highrise steel building frame modeled using solid elements

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Journal of Structural and Construction Engineering 2019年第755期84卷 39-49页

作者： Miyamura, Tomoshi Ohsaki, Makoto Kajiwara, Koichi Dept. of Computer Science College of Engineering Nihon University Japan Dept. of Architecture and Architectural Engineering Kyoto University Japan Japan

A high fidelity solid element mesh of a 31 -story super-highrise building frame is generated. A concept of a mesh generator for steel frames using a database of solid element component meshes is proposed. The seismic response analysis is conducted for the 31-story super-highrise frame subjected to a simulated ground motion of great Nankai Trough earthquakes that continues more than two minutes. The analysis is performed on K computer using a parallel finite element structural analysis system, E-Simulator. Both local behaviors such as spreads of equivalent plastic strain and global behaviors such as plastic deformation of the entire structure are simulated. © 2019 Architectural Institute of Japan. All rights reserved.

关键词： Mesh generation

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A service oriented evolutionary architecture: Applications and results

A service oriented evolutionary architecture: Applications a...

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15th Annual Conference on Genetic and Evolutionary Computation, GECCO 2013

作者： García-Sánchez, Pablo Dept. of Computer Architecture and Computer Technology University of Granada Spain

ISBN: (纸本)9781450319645

This paper shows the stage of development of a Service Oriented architecture for Evolutionary Algorithms and the first results obtained in two different areas. The abstract architecture is presented, with its assocciated implementation using a widely used technology. Results attained in experiments with parameter adaptation in distributed heterogeneous machines are presented and the usage of the architecture in Evolutionary Art is also applied.

关键词： Evolutionary algorithms

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High-level template for the task-based parallel wavefront pattern

High-level template for the task-based parallel wavefront pa...

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18th International Conference on High Performance Computing, HiPC 2011

作者： Dios, Antonio J. Asenjo, Rafael Navarro, Angeles Corbera, Francisco Zapata, Emilio L. Dept. of Computer Architecture University of Malaga Spain

ISBN: (纸本)9781457719516

Given the arrival of multicore processors, it has become a matter of urgency to introduce parallel programming into mainstream computing. In emerging applications, a class of computational problem that poses a challenge to the programmers is the wavefront pattern. A particular characteristic of this pattern is multi-dimensional streaming of the computations that must follow a dependence pattern. The modern software stack for multicore systems offers task-based programming libraries like TBB (Threading Building Blocks), that allow an execution model based on lightweight asynchronous tasks. We suggest that TBB provides useful features to improve the scalability of these kinds of codes but at the cost of leaving some low-level task management details to the programmer. In this paper, we discuss such low-level task management issues and incorporate them into a high-level TBB-based template. The goal of the template is to improve the programmer's productivity such that a nonexpert user can easily code complex wavefront problems without having to deal with task creation, synchronization or scheduling mechanisms. With our template, the user only has to specify a definition file with the wavefront dependence pattern and the function that each task has to execute. In addition, we describe our experience with the TBB template when coding four complex real wavefront problems. In these experiments, we found that the template implementations reduced the programming effort from 25% to 50% at a cost of increasing the overhead up to 5% when compared to manual implementations of the same problem. © 2011 IEEE.

关键词： Wavefronts

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