Mechanism

Bài giảng Khai thác dữ liệu và ứng dụng: Tổng quan về khóa học và Giới thiệu về Khai thác dữ liệu cung cấp phần giới thiệu chung về lĩnh vực khai thác dữ liệu và các ứng dụng thực tế của nó. Bài giảng giải thích các khái niệm, thuật ngữ chính và phác thảo các giai đoạn của quá trình khám phá kiến ​​thức. Bài giảng cũng nêu bật vai trò của máy học trong khai thác dữ liệu và giới thiệu các công cụ để phân tích dữ liệu và các dự án theo nhóm.

42p hoatrongguong03 15-05-2025 3 0   Download

Lecture Finite Element Method - Dr. Danh Truong Nguyen (Eng) is a comprehensive introduction to the fundamental principles and applications of the finite element method in engineering. The lecture covers topics such as energy principles, elastic problems, bar and truss elements, beam and frame analysis, plane stress and strain, and numerical integration techniques. This material is especially useful for students and professionals in mechanical, civil, and structural engineering.

59p hoatrongguong02 15-05-2025 1 1   Download

There are many results involving PDEs in fluid mechanics with delays and many results about asymptotic behavior to PDEs. Navier-Stokes equations with delays have been studied extensively over the last decades, for their important contributions to understanding fluid motion and turbulence.

8p vijiraiya 19-05-2025 3 1   Download

In this study, the Quantum-PSO (QPSO) method is proposed to enhance the global search performance and convergence ability of PSO by incorporating concepts from quantum mechanics. The QPSO method was tested alongside Binary PSO and PSO on the same grid model to compare these methods.

7p vijiraiya 19-05-2025 2 1   Download

Lecture Cryptography: Authentication (Part 1) introduces digital signature concepts and signature schemes including ElGamal and Schnorr methods. It explores motivations for authentication and standard practices in digital identity verification. This lecture emphasizes the role of trust and integrity in communication. Please refer to the lecture for more details!

47p hoatrongguong03 15-05-2025 2 1   Download

Lecture Cryptography: Cryptography Applications (Part 2) explores modern applications of cryptography in blockchain systems. It covers secure transactions, consensus mechanisms, and network architecture. This lecture illustrates how cryptography underpins the security and trust of decentralized platforms. Please refer to the lecture for more details!

46p hoatrongguong03 15-05-2025 3 1   Download

Composite materials are widely used in aesthetic dental restorations due to their advantages, including minimal invasive preparation, high mechanical strength, adhesive durability, biocompatibility, time and cost-effectiveness. This study investigates the effect of enamel-shade composite thickness on the final color values of restorations using a two-layer technique to replace enamel and dentine.

7p vijiraiya 19-05-2025 3 1   Download

Periodontal dressings have recently become an important research topic in periodontal treatment. Periodontal dressings have also proven effective in supporting non-surgical mechanical therapy for short-term clinical outcomes. Objective: This study evaluated the effects of two types of periodontal dressings, with and without zinc oxide, on non-surgical periodontal treatment.

7p vijiraiya 19-05-2025 2 1   Download

This paper presents the mechanical behavior of functionally-graded concrete (FGC) beam under flexural bending. The FGC beam was made of conventional concrete of strength class 30MPa with a thickness of 45mm and high performance glass fiber reinforced concrete (HPGFRC) of strength class 60MPa with thickness of 15mm.

7p vimitsuki 06-05-2025 3 1   Download

This paper aims to study the effect of coal bottom ash (CBA) as a fine aggregate substitution at high levels on the mechanical properties and microstructure characteristics of concrete. CBA that sourced from a local coal-fired power plant in Vietnam was used to replace the natural sand (NS) in the concrete mixtures at different levels of 0, 30, 50, 70, and 100%.

7p vimitsuki 06-05-2025 2 1   Download

Using literature review, logical analysis, and other methods, explore the mechanism and implementation path of digital empowerment of public fitness services for people with disabilities. Digital empowerment provides new ideas and solutions for them.

3p vimitsuki 06-05-2025 3 1   Download

This study investigated the relationship between force-power-velocity (F-P-V) mechanical variables measured during the ballistic bench press throw (BPT), shoulder isokinetic rotation strength, and the throwing velocity in handball players.

2p vimitsuki 06-05-2025 2 1   Download

This study presents a novel polyp segmentation approach using ResUnet++. Trained on Kvasir-SEG and CVCClinicDB, ResUnet++ significantly outperforms traditional UNet and ResUnet. Its residual blocks and attention mechanisms enhance feature extraction, leading to improved segmentation in challenging cases.

9p visarada 28-04-2025 1 1   Download

In this work, a reduced order isogeometric model is proposed to analyze the dynamic behavior of carbon nanotube-reinforced composite plates. In which, the mechanical properties of the material are functionally graded through the plate thickness employing four distributions of carbon nanotubes.

14p visarada 28-04-2025 2 1   Download

This paper aims to enhance computational performance for behavior prediction of tri-directional functionally graded plates using ensemble learning methods such as random forest, extreme gradient boosting, and light gradient boosting machine. Furthermore, the effectiveness of these methods is verified by comparing their results with those of artificial neural networks.

11p visarada 28-04-2025 1 1   Download

This study investigates the compressive performance and mechanical behavior of concrete filled steel tubular (CFST) columns constructed with high strength materials under various compression loading scenarios.

15p visarada 28-04-2025 1 1   Download

This study investigated the effect of nano-CaCO3 content on the hardness (H) and Young’s modulus (E) at the interfacial transition zone (ITZ) surrounding fibers and ultra-high performance concrete (UHPC). Nano-CaCO3 was incorporated at varying contents from 1% to 4% by weight of cement.

11p visarada 28-04-2025 2 1   Download

The mechanical properties of compositionally graded nanocrystalline materials (CGNMs) are studied via molecular dynamics simulation. This article uses molecular dynamics (MD) simulations to investigate the tensile mechanical properties of CuNi CGNMs with varying grain sizes.

9p visarada 28-04-2025 3 1   Download

This study delves into the security vulnerabilities of blockchain consensus mechanisms and the source code, providing insights into the cybersecurity challenges facing the DeFi sector.

7p visarada 28-04-2025 1 1   Download

This study investigates how different test parameters—such as flow rate, soil type, moisture content, and confining conditions—affect the erosion behavior of soils. Through controlled hydraulic erosion tests, the research identifies key factors influencing critical shear stress and erosion rates. The findings aim to enhance understanding of soil stability in engineering applications and inform the design of erosion-resistant structures.

3p vimaito 11-04-2025 1 0   Download