Home / Advanced Search

  • Title/Keywords

  • Author/Affliations

  • Journal

  • Article Type

  • Start Year

  • End Year

Update SearchingClear
  • Articles
  • Online
Search Results (28)
  • Open Access

    ARTICLE

    A Hybrid Split-Attention and Transformer Architecture for High-Performance Network Intrusion Detection

    Gan Zhu1, Yongtao Yu2,*, Xiaofan Deng1, Yuanchen Dai3, Zhenyuan Li3

    CMES-Computer Modeling in Engineering & Sciences, Vol.145, No.3, pp. 4317-4348, 2025, DOI:10.32604/cmes.2025.074349 - 23 December 2025

    Abstract Existing deep learning Network Intrusion Detection Systems (NIDS) struggle to simultaneously capture fine-grained, multi-scale features and long-range temporal dependencies. To address this gap, this paper introduces TransNeSt, a hybrid architecture integrating a ResNeSt block (using split-attention for multi-scale feature representation) with a Transformer encoder (using self-attention for global temporal modeling). This integration of multi-scale and temporal attention was validated on four benchmarks: NSL-KDD, UNSW-NB15, CIC-IDS2017, and CICIOT2023. TransNeSt consistently outperformed its individual components and several state-of-the-art models, demonstrating significant quantitative gains. The model achieved high efficacy across all datasets, with F1-Scores of 99.04% (NSL-KDD), 91.92% More >

  • Open Access

    ARTICLE

    Role of engineered Co4S3 and Ce2S3-Co4S3 binary composite materials for clean and high-performance energy solutions

    M. Danisha, Z. A. Sandhub, S. Sajida, S. R. Shafqata, R. Abbasc, M. Shahidd, N. Amjede, A. Abo Elnasrf, H. T. Alif, M. A. Razab,*

    Chalcogenide Letters, Vol.22, No.10, pp. 863-870, 2025, DOI:10.15251/CL.2025.2210.863

    Abstract The increase in energy crisis and environmental concerns are now considering as major hurdle in way to sustainability and clean energy solution. Metal sulfides have been investigated for the fabrication of energy conversion ad storage devices to overcome the effect of energy demand. In this concern, a microemulsion mediated hydrothermal method was employed for the successful synthesis of pure Co4S3 and Ce2S3-Co4S3 binary nanocomposite materials. This study was investigated for Supercapacitor application using cyclic voltammetry and electrochemical impedance spectroscopy. The scanning electron microscope analysis of composite material showed compact smooth morphology with strong interparticle interactions. The More >

  • Open Access

    REVIEW

    State-of-Art on Workability and Strength of Ultra-High-Performance Fiber-Reinforced Concrete: Influence of Fiber Geometry, Material Type, and Hybridization

    Qi Feng1,2, Weijie Hu1, Lu Liu3,*, Junhui Luo4

    Structural Durability & Health Monitoring, Vol.19, No.6, pp. 1589-1605, 2025, DOI:10.32604/sdhm.2025.072955 - 17 November 2025

    Abstract Ultra-high performance fiber-reinforced concrete (UHPFRC) has received extensive attention from scholars and engineers due to its excellent mechanical properties and durability. However, there is a mutually restrictive relationship between the workability and mechanical properties of UHPFRC. Specifically, the addition of fibers will affect the workability of fresh UHPFRC, and the workability of fresh UHPFRC will also affect the dispersion and arrangement of fibers, thus significantly influencing the mechanical properties of hardened UHPFRC. This paper first analyzes the research status of UHPFRC and the relationship between its workability and mechanical properties. Subsequently, it outlines the test… More >

  • Open Access

    ARTICLE

    Dynamic Metadata Prefetching and Data Placement Algorithms for High-Performance Wide-Area Applications

    Bing Wei, Yubin Li, Yi Wu*, Ming Zhong, Ning Luo

    CMC-Computers, Materials & Continua, Vol.84, No.3, pp. 4773-4804, 2025, DOI:10.32604/cmc.2025.065090 - 30 July 2025

    Abstract Metadata prefetching and data placement play a critical role in enhancing access performance for file systems operating over wide-area networks. However, developing effective strategies for metadata prefetching in environments with concurrent workloads and for data placement across distributed networks remains a significant challenge. This study introduces novel and efficient methodologies for metadata prefetching and data placement, leveraging fine-grained control of prefetching strategies and variable-sized data fragment writing to optimize the I/O bandwidth of distributed file systems. The proposed metadata prefetching technique employs dynamic workload analysis to identify dominant workload patterns and adaptively refines prefetching policies, More >

  • Open Access

    ARTICLE

    Energy Dissipation and Stiffness Assessment: A Study on RC Frame Joints Reinforced with UHPSFRC

    Trung-Hieu Tran*

    Structural Durability & Health Monitoring, Vol.19, No.4, pp. 869-886, 2025, DOI:10.32604/sdhm.2025.064902 - 30 June 2025

    Abstract The design principles for conventional reinforced concrete structures have gradually transitioned to seismic-resistant design since the 1970s. However, until recently, the implementation of strength capacity and ductility design has not been rigorously enforced in many developing countries that are prone to seismic risks. Numerous studies have evaluated the effectiveness of joint behavior based on both ductile and non-ductile designs under cyclic loading. Previous research has demonstrated that enhancing joint regions with Ultra-High Performance Steel Fiber Reinforced Concrete (UHPSFRC) significantly improves the seismic resistance of structural components. This paper presents a detailed analysis of the considerable… More >

  • Open Access

    ARTICLE

    Numerical Simulation on Heat Dissipation Characteristics of Electronic Components with Different Heat Sink Arrangements in High-Performance Server

    Zerui Chen*, Xin Wu, Houpeng Hu, Yang Zhou, Shang Yang

    Frontiers in Heat and Mass Transfer, Vol.23, No.3, pp. 991-1011, 2025, DOI:10.32604/fhmt.2025.065936 - 30 June 2025

    Abstract As the integration of electronic components in high-performance servers increases, heat generation significantly impacts performance and raises failure rates. Therefore, heat dissipation has become a critical concern in electronic circuit design. This study uses numerical simulations to investigate the heat dissipation characteristics of electronic components in air-cooled servers. By adjusting airflow speed, heat sink configurations, and the arrangement of straight-fin heat sinks, we optimize heat dissipation performance and analyze the mechanisms at different airflow speeds. The results show that, at the same airflow speed, the temperature of the heat sink is lower than that of… More >

  • Open Access

    ARTICLE

    SW-DDFT: Parallel Optimization of the Dynamical Density Functional Theory Algorithm Based on Sunway Bluelight II Supercomputer

    Xiaoguang Lv1,2, Tao Liu1,2,*, Han Qin1,2, Ying Guo1,2, Jingshan Pan1,2, Dawei Zhao1,2, Xiaoming Wu1,2, Meihong Yang1,2

    CMC-Computers, Materials & Continua, Vol.84, No.1, pp. 1417-1436, 2025, DOI:10.32604/cmc.2025.063852 - 09 June 2025

    Abstract The Dynamical Density Functional Theory (DDFT) algorithm, derived by associating classical Density Functional Theory (DFT) with the fundamental Smoluchowski dynamical equation, describes the evolution of inhomogeneous fluid density distributions over time. It plays a significant role in studying the evolution of density distributions over time in inhomogeneous systems. The Sunway Bluelight II supercomputer, as a new generation of China’s developed supercomputer, possesses powerful computational capabilities. Porting and optimizing industrial software on this platform holds significant importance. For the optimization of the DDFT algorithm, based on the Sunway Bluelight II supercomputer and the unique hardware architecture… More >

  • Open Access

    ARTICLE

    Hydrothermally synthesized highly stable binary manganese magnesium sulfide (MnMgS) composite with carbon nanotubes for high-performance supercapattery applications

    M. A. Sadia,*, A. Mahmoodb, W. Al-Masryb, C. W. Dunnillc, N. Mahmoodd

    Chalcogenide Letters, Vol.21, No.12, pp. 965-976, 2024, DOI:10.15251/CL.2024.2112.965

    Abstract The device which combines the outcomes supercapacitor (SC) and battery is known as supercapattery. Due to their high conductivity, sensitivity, and storage capacity, carbon nanotubes have drawn attention in energy storage (EES) applications. To achieve highperformance supercapattery, this study used an electrode based on carbon nanotubes (CNTs) and manganese magnesium sulfide (MnMgS). It showed 963 C/g specific capacity which is significantly greater than the reference sample's value of 1 A/g. The supercapattery is engineered using the CNT-doped MnMgS electrode (MnMgS/CNT//AC), which has a specific capacity (Cs) of 268 Cg-1 at 1 Ag-1 current density. A significantly higher More >

  • Open Access

    ARTICLE

    Conversion of Lignin into Porous Carbons for High-Performance Supercapacitors via Spray Drying and KOH Activation: Structure-Properties Relationship and Reaction Mechanism

    Shihao Feng1,2,3, Qin Ouyang1,2,*, Jing Huang1,2, Xilin Zhang3, Zhongjun Ma4, Kun Liang1,2, Qing Huang1,2,*

    Journal of Renewable Materials, Vol.12, No.7, pp. 1207-1218, 2024, DOI:10.32604/jrm.2024.052579 - 21 August 2024

    Abstract Lignin-derived porous carbons have emerged as promising electrode materials for supercapacitors. However, the challenge remains in designing and controlling their structure to achieve ideal electrochemical performance due to the complex molecular structure of lignin and its intricate chemical reactions during the activation process. In this study, three porous carbons were synthesized from lignin by spray drying and chemical activation with varying KOH ratios. The specific surface area and structural order of the prepared porous carbon continued to increase with the increase of the KOH ratio. Thermogravimetric-mass spectrometry (TG-MS) was employed to track the molecular fragments More > Graphic Abstract

    Conversion of Lignin into Porous Carbons for High-Performance Supercapacitors via Spray Drying and KOH Activation: Structure-Properties Relationship and Reaction Mechanism

  • Open Access

    ARTICLE

    Static Analysis Techniques for Fixing Software Defects in MPI-Based Parallel Programs

    Norah Abdullah Al-Johany1,*, Sanaa Abdullah Sharaf1,2, Fathy Elbouraey Eassa1,2, Reem Abdulaziz Alnanih1,2,*

    CMC-Computers, Materials & Continua, Vol.79, No.2, pp. 3139-3173, 2024, DOI:10.32604/cmc.2024.047392 - 15 May 2024

    Abstract The Message Passing Interface (MPI) is a widely accepted standard for parallel computing on distributed memory systems. However, MPI implementations can contain defects that impact the reliability and performance of parallel applications. Detecting and correcting these defects is crucial, yet there is a lack of published models specifically designed for correcting MPI defects. To address this, we propose a model for detecting and correcting MPI defects (DC_MPI), which aims to detect and correct defects in various types of MPI communication, including blocking point-to-point (BPTP), nonblocking point-to-point (NBPTP), and collective communication (CC). The defects addressed by… More >

Displaying 1-10 on page 1 of 28. Per Page