Search
1973 articles for “standardized DRDC-STR submarine geometry” (ranking capped at the first 2,000 matches — narrow the search to see the rest)
Nothing matched all of your words, so these match any of them.
-
Development and Clinical Evaluation of a Polymer Composite Respiratory Training Device for Box Breathing–Based Stress Management
Abstract: Academic stress is a problem among the higher secondary students and it is a problem which has a negative impact on their psychological condition and academic performance. Box breathing has been found to lower stress; however, it can be hard to keep a rhythmic breathing pattern without guidance. A lightweight, reusable and ergonomic polymer composite respiratory training device may enable the delivery of structured breathing assistance and help increase adherence …
Published in Journal of Polymer & Composites · Vol. 14, Issue 4, 2026 Read article
-
Machine Learning-Based Structure–Property Quantification of Advanced Polymer Composites
Abstract: Advanced polymer composites are widely used in high-performance engineering due to their superior mechanical and multifunctional properties. Accurate structure–property quantification is essential for efficient material design and reducing experimental costs. Existing Machine Learning (ML) approaches often exhibit limited predictive generalization due to inadequate feature discrimination and suboptimal hyperparameter tuning. To address these limitations, the proposed method enhances the ability to capture the complex nonlinear interactions among composite structural descriptors. The …
Published in Journal of Polymer & Composites · Vol. 14, Issue 4, 2026 Read article
-
Evaluation of Heat Stress Exposure to Occupational Workers at Workplace
Abstract: Heat stress is considered as an occupational health hazard encountered in indoor as well as outdoor environments. In industries, many operations are carried out which involve either heat generating sources like boiler, furnace, dryers etc. or hot operations like welding, melting, glass blowing and pouring. Moreover, the extremes of temperature in summer also add to the level of exposure to heat stress. Exposure of occupational workers to heat stress can …
Published in Journal of Industrial Safety Engineering Read article
-
Array-Linked Data Structure: Introducing a Hybrid Model of Memory Management and Faster and Easier Insertion and Reallocation Procedures
Abstract: Here, I have introduced a new data structure titled “Array-Linked Data Structure”. It incorporates a hybrid model of memory allocation, introducing a new insertion procedure in an existing data structure which is faster than that for arrays. It also offers O(c) access time where c is a constant. The access time is worse than O(1) for an array but still better than that for a linked list since the index …
Published in International Journal of Data Structure Studies · Vol. 1, Issue 1, 2023 · pp. 1–11 Read article
-
Effect of Fillet Radius on Bending Stress in Helical Gear using FEA
Abstract: A well-optimized change in root fillet radius could greatly benefit helical gear operation by providing a smoother transmission with less impact and noise. The fillet area of the gear root is an area of extensive bending stress concentration. An increase in fillet radius for helical gears is considered to minimise the bending stress at the gear tooth's base. This paper develops appropriate models of various gear tooth profiles of the …
Published in Journal of Polymer & Composites · Vol. 11, Issue 8, 2023 · pp. 129–136 Read article
-
Revolutionizing Form and Function: Exploring 4D Printing as a Novel Manufacturing Approach for Complex Generative Structures and Customized Formworks
Abstract: This research delves into the transformative potential of 4D printing manufacturing technology, focusing on its innovative application in fabricating intricate generative and computational structures for adaptable formwork in both individualized and mass-customized scenarios. Spanning the interdisciplinary realms of digital design, digital fabrication, and material science, the study comprehensively explores the integration of these diverse fields. Utilizing generative algorithms and parametric design tools, the research employs simulations to realize complex patterns …
Published in International Journal of Manufacturing and Production Engineering · Vol. 1, Issue 2, 2023 · pp. 41–50 Read article
-
Integrated Analysis of Stress Patterns in Transparent Polycarbonate Specimens: A Comparative Study between Photoelasticity and FEA Simulation for Compact Circular Testing
Abstract: Photoelasticity stands as a robust experimental technique within the realms of mechanics and materials science, offering a means to visually assess and analyze stress distribution within materials possessing transparency or translucency. This method, a non-destructive testing approach, involves the visualization of stress on a model subjected to a load, leveraging the unique property of materials known as birefringence or double refraction. The procedure entails the careful selection of a suitable …
Published in Journal of Polymer & Composites · Vol. 12, Issue 4, 2024 · pp. 79–87 Read article
-
Seismic Analysis of Conventional, Hexagrid and Octagrid Steel Structural Systems
Abstract: The seismic resilience of multi-story buildings in earthquake-prone regions is a critical consideration in structural engineering. This dissertation presents a comprehensive analysis of the seismic performance of proposed multi-story buildings with varying heights (G+10, G+15, and G+20) using conventional, hexagrid, and octagrid structural systems. The study utilizes the Response Spectrum Method under seismic zone Ⅴ conditions to assess key parameters including storey drift, storey displacement, base shear, and overturning moment. …
Published in Journal of Structural Engineering and Management · Vol. 11, Issue 1, 2024 · pp. 26–41 Read article
-
Comparative Analysis on Concrete Strength Using Various Sizes of Aggregates and Combined Gradation
Abstract: This research delves into the effect of using various single coarse aggregate sizes and combinations of such by specific proportions. A thorough examination involving control specimens of 12mm, 20mm, and 25mm aggregates sizes, with combining proportions in the ratios – 5/8:3/8, 1/2:1/2, 3/8:5/8 have been conducted, shedding light on critical patterns that dictate concrete performance. The fine aggregate was properly zoned from the preliminary test. The design mix was calculated …
Published in Recent Trends in Civil Engineering & Technology · Vol. 14, Issue 1, 2024 · pp. 29–36 Read article
-
Strategic Management Practices in the Digital Economy
Abstract: The study examines the symbiotic relationship between contemporary strategic approaches and the evolving landscape of the digital era. During unprecedented technological advancements, organizations grapple with the imperative to align their strategic management practices with the demands of the digital economy. This study navigates the multifaceted dimensions of strategic planning, emphasizing the critical role of digital transformation in shaping organizational trajectories. By weaving through case studies of exemplary digital strategies, the …
Published in E-Commerce for Future & Trends · Vol. 11, Issue 2, 2024 · pp. 16–21 Read article
-
Determining the Best Long-Term Luting Cement for Implant Retained Prosthesis Based on Bond Strength and Surface Integrity
Abstract: Implant-retained prostheses play a crucial role in modern dentistry, necessitating reliable luting cements to ensure their longevity and functionality. This study aimed to determine the best long-term luting cement for implant-retained prostheses based on bond strength and surface integrity. The success of implant-retained prostheses relies heavily on the quality of the luting cement used to secure the restoration to the implant abutment. The investigation will employ a series of standardized …
Published in Journal of Polymer & Composites · Vol. 12, Issue 4, 2024 · pp. 119–129 Read article
-
A Study to Identify the Risk Factors and Level of Knowledge Regarding Stroke Among Adults in Selected OPD at Tertiary Care Hospital, Puducherry
Abstract: The aim of the study was to identify the risk factors and level of knowledge regarding stroke among adults in selected OPD at Tertiary Care Hospital, Puducherry. In this study descriptive design was used, consecutive sampling technique was used to select the samples for this study. Data was collected through Structured Questionnaire was used to assess the level of knowledge and checklist was used to identify the risk factors of …
Published in Research and Reviews : Journal of Surgery · Vol. 13, Issue 2, 2024 · pp. 32–38 Read article
-
ANALYSIS AND DESIGN OF MODERN PARKING STRUCTURE BY CONSIDERING OPTIMISED BRACING SYSTEMS UNDER THE DYNAMIC LOAD
Abstract: The design and implementation of effective bracing systems are crucial for ensuring the structural stability and safety of G+10 parking buildings, particularly in regions prone to seismic and wind loads. This study evaluates and optimizes various bracing systems, including X-type, V-type, Inverted V-type, and Eccentric bracing, to determine their suitability for use in G+10 parking structures in the Chhatrapati Sambhajinagar City area. The research focuses on assessing each bracing system's …
Published in Recent Trends in Civil Engineering & Technology · Vol. 14, Issue 2, 2024 · pp. 61–76 Read article
-
CONSTRUCTION SEQUENCE ANALYSIS OF HIGH-RISE STRUCTURE WITH CREEP AND SHRINKAGE EFFECT
Abstract: This study deals with a time-dependent analysis of reinforced concrete G+40 RC frame structures considering the construction sequence with the effect of creep and shrinkage analysis. Because of the non-mechanical deformations induced by the time-dependent deformations of concrete, concrete structures usually present different behaviors when the construction sequences are changed, despite having the same structural configurations. Therefore, the time-dependent effects of concrete such as creep and shrinkage must be taken …
Published in Recent Trends in Civil Engineering & Technology · Vol. 14, Issue 2, 2024 · pp. 10–25 Read article
-
Use of Geopolymer Composites for Controlling Structural Cracks
Abstract: A building’s safety and stability can be compromised by ignoring the potential structural issues indicated by occurring cracks in buildings. Extensive damage may cause over the period from unidentified cracks.Good quality concrete never cracks in normal service conditions unless high horizontal force is applied. Through the cracks, carbon dioxide is released into the concrete and speeds up carbonation throughout the cracks, thus reducing the structure usage. The materials which are …
Published in Journal of Polymer & Composites · Vol. 12, Issue 6, 2024 · pp. 172–184 Read article
-
Enhancing Compressive Strength of M25 Grade Concrete Using Ceramic Tiles Waste and Waste Fiber Metal: A Path Toward Sustainable Construction
Abstract: This study explores the use of Ceramic Tiles Waste and Waste Fiber Metal as partial replacements in M25 grade concrete, focusing on their impact on compressive strength. Various combinations of waste materials were tested to determine the optimal mix proportions. Compressive strength tests were conducted on concrete cubes incorporating 0.30%, 0.40%, and 0.50% Waste Fiber Metal with varying percentages of Ceramic Tiles Waste ranging from 20% to 50%. The results …
Published in Journal of Structural Engineering and Management · Vol. 11, Issue 3, 2024 · pp. 13–19 Read article
-
Analysis and Design of Pre-Engineering Building Structure by Using Staad Pro Software
Abstract: The analysis and design of a Pre-Engineered Building (PEB) were conducted using STAAD Pro software, alongside manual calculations for accurate load estimation, to ensure the building's compliance with relevant engineering standards and codes. The evaluation took into account multiple load types, including dead loads, live (imposed) loads, wind loads, and relevant load combinations to replicate actual conditions the structure might face during its lifespan. This comprehensive approach provided a deep …
Published in Recent Trends in Civil Engineering & Technology · Vol. 14, Issue 3, 2024 · pp. 1–7 Read article
-
Structural Health Monitoring of Polypropylene Fiber- Reinforced Composite Using Accelerometer Sensors
Abstract: This study explores the application of accelerometer sensors for structural health monitoring (SHM) in evaluating the performance of polypropylene fiber-reinforced composites (PFRC). Incorporating polypropylene fibers into concrete enhances its structural integrity and durability. However, accurately assessing PFRC behavior under various conditions is crucial for its practical application in construction. This research employs advanced accelerometer sensor technology for real-time monitoring and assessment of PFRC performance. Experimental investigations captured and analyzed the …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 621–634 Read article
-
Experimental Evaluation of Strength in Bacterial Concrete Mixtures
Abstract: The incorporation of bacteria into concrete, through the process of Microbiologically Induced Calcite Precipitation (MICP), offers a promising approach to enhancing the mechanical properties and durability of concrete. This research explores the effect of bacterial addition on the compressive strength, split tensile strength, flexural strength, and workability of concrete. Specifically, three bacterial strains—Bacillus megaterium, Bacillus subtilis, and Pseudomonas aeruginosa—were used in varying concentrations (10⁴, 10⁵, and 10⁶ cells/ml) and incorporated …
Published in Journal of Construction Engineering, Technology & Management · Vol. 14, Issue 3, 2024 · pp. 61–69 Read article
-
Strength Prediction and Optimization of Portland Limestone Cement Blended with Metakaolin and Rice Husk Ash
Abstract: This study explores the effects of Rice Husk Ash (RHA) and Metakaolin (MK) on the compressive strength of Portland Limestone Cement (PLC) mortar, aiming to promote sustainable construction materials. RHA and MK, derived from agricultural and industrial byproducts, serve as supplementary cementitious materials (SCMs) that offer environmental benefits and improve cement properties. Using response surface methodology (RSM) and central composite design (CCD), the research optimized the ternary blend of PLC, …
Published in International Journal of Minerals · Vol. 2, Issue 1, 2025 · pp. 1–14 Read article