Results 41 to 50 of about 2,376,179 (319)

Fatigue Stress-Life Model of RC Beams Based on an Accelerated Fatigue Method

open access: yesInfrastructures, 2019
Several standard fatigue testing methods are used to determine the fatigue stress-life prediction model (S-N curve) and the endurance limit of Reinforced Concrete (RC) beams, including the application of constant cyclic tension-tension loads at different
Tamer Eljufout   +2 more
doaj   +1 more source

Implementation of explosion safety regulations in design of a mobile robot for coal mines [PDF]

open access: yes, 2018
The article focuses on specific challenges of the design of a reconnaissance mobile robotic system aimed for inspection in underground coal mine areas after a catastrophic event.
Babjak, Ján   +5 more
core   +2 more sources

Generating and prioritizing optimal paths using ant colony optimization [PDF]

open access: yesComputational Ecology and Software, 2015
The assurance of software reliability partially depends on testing. Numbers of approaches for software testing are available with their proclaimed advantages and limitations, but accessibility of any one of them is a subject dependent. Time is a critical
Mukesh Mann, Om Prakash Sangwan
doaj  

Advancing Aircraft Safety through CAx-Enhanced Digitalization and Thermal Stress Testing Methodologies: A Comprehensive Approach

open access: yesApplied Sciences, 2023
Safety is of utmost importance in air transport, and the quality and durability of aircraft construction materials play a significant role in ensuring overall safety.
Peter Korba   +3 more
doaj   +1 more source

Wedge splitting test: Displacement field analysis by multi-parameter fracture mechanics [PDF]

open access: yes, 2018
Multi-parameter fracture mechanics is nowadays quite extensively applied when cracked structures/specimens are investigated. The reason was that it has been shown that it can be helpful and bring results that are more accurate when for describing of ...
Maliková, Lucie   +4 more
core   +1 more source

Stress Testing of Single-Arm Robots Through Constraint-Based Generation of Continuous Trajectories

open access: yesInternational Conference on Artificial Intelligence Testing, 2019
System Testing of Single-Arm Robots (SAR) is challenging as typical SAR involve multiple coordinated software controlled subsystems, such as motion and action control, perception and anti-collision systems.
Mathieu Collet   +3 more
semanticscholar   +1 more source

Dynamic boundary of floating platform and its influence on the deepwater testing tube

open access: yesEuropean Journal of Remote Sensing, 2020
The motion of the floating platform is one of the important factors influencing the safety of testing string. The allowable motion limits of various floating drilling platforms are discussed and their calculation formulas are presented, based on which ...
Yufa He   +5 more
doaj   +1 more source

Fracture Resistance and Stress Distribution Pattern of Different Posts-Core Systems in Immature Teeth: An In Vitro Study and 3D Finite Element Analysis

open access: yesInternational Journal of Dentistry, 2022
Introduction. Restoration of immature teeth with open apices and thin dentinal walls with conventional post systems remains a challenge. The purpose of this study was to evaluate the fracture resistance of simulated immature teeth restored with different
Shahnaz Khadar   +5 more
doaj   +1 more source

Sprint interval and sprint continuous training increases circulating CD34+ cells and cardio-respiratory fitness in young healthy women [PDF]

open access: yes, 2014
The improvement of vascular health in the exercising limb can be attained by sprint interval training (SIT). However, the effects on systemic vascular function and on circulating angiogenic cells (CACs) which may contribute to endothelial repair have ...
A Yamashina   +62 more
core   +3 more sources

College students’ academic stress during the Covid-19 pandemic: The influence of hardiness, coping strategy, social support, and demographic factorsand

open access: yesJurnal Cakrawala Promkes, 2023
Several research results show that during the COVID-19 pandemic, academic stress experienced by college students increased. They experience changes in how they learn, have difficulty staying focused, and are unproductive during the covid-19 pandemic ...
Neneng Tati Sumiati   +2 more
doaj   +1 more source

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