Journal "Fundamental Sciences and Applications"

The capabilities of the art-oriented artificial intelligence Adobe Firefly and its visual advantages and disadvantages

Nadezhda Angelova — 2024-08-15

We currently have an abundance of creatively oriented artificial intelligence (AI) applications. Their state is dynamic – they are subject to continuous improvement and are in different phases of development. At certain times, we can make crosscuts and, through a comparative analysis, judge the strengths and weaknesses of the generators according to the way they are used and according to the results they create. On this principle, the functions of Adobe Firefly, as one of the significant AI in the creative field, are considered. The aim of this study is to give an overview of the functionality of the application, analyze its strengths and weaknesses, present the specifics of its use and summarize its applicability. As research methods, qualitative and quantitative analyses were applied when viewing it in its latest version – Adobe Firefly Image 2, as well as comparative analysis when comparing it with some similar applications in their current versions – Midjourney v5, DALL-E 3, Stable Diffusion XL and OpenArt.ai SDXL. The conducted research will serve as a basis for future research of a related nature.

Application Of The Momentum 360 Method For Side Collision Between Vehicles Through Computer Simulation

Yordan Stoyanov Stoyanov — 2024-08-15

The aim of the article is to demonstrate the reconstruction of a road traffic accident involving vehicles with identical characteristics using the Momentum 360 method through computer simulation. The reconstruction of the accident is presented in side collisions at angles of 45°, 90°, and 135° respectively. In the case of a collision between vehicles at a 45° angle, higher speeds are observed before and during the impact, as evidenced by the measured lengths of the vehicle tracks left after the collision. As the angle increases, the speeds before and during the impact decrease, which is established by the tracks left by both vehicles after the collision. Consequently, an increase in the kinetic energy for the deformation of the vehicles is observed with an increase in the angle of the side impact

Research analysis of coordinated traffic lights

Iliyan Andreev — 2024-08-15

Traffic patterns in cities depend on the geographical environment, population density and the percentage of motorisation, which is expressed most often in densely populated areas. This necessitates the provision of measures to increase throughput, reduce delays in transport flows, combined with minimizing construction costs. One of the approaches that is applied to satisfy these conditions and efficiently use the space of the street network is to coordinate the operation of traffic lights. This publication analyzes the scientific research carried out in this area, which aims to determine the main indicators that influence the choice of applied approaches, when coordinating the traffic light systems, the weight of their quantitative indicators and their connection. Subsequently, the necessary studies are determined to coordinate the work of a selected section of the street network of the city of Sofia.

General Characterization of 5083 Aluminum Alloys and Examination of the Joining Method Using Friction Stir Welding

Cem Misirli — 2024-08-15

Abstract. Aluminum 5083 alloy consists of a mixture of elements such as aluminum, magnesium and manganese and is an important material used in a wide range of industrial applications. In this article, the general characterization of Aluminum 5083 alloy and its welding using friction stir welding are theoretically examined. The key properties of aluminum 5083 alloy include high strength, corrosion resistance, light weight, machinability and low temperature strength. These properties make the alloy preferred in various industrial applications. In areas such as the marine industry, aerospace, automotive and structural applications, Aluminum 5083 alloy is widely used. From ship hulls to aircraft parts, the alloy has a wide range of uses thanks to its high strength and corrosion resistance.

Aluminum 5083 alloy can be processed and shaped by various joining methods. Methods such as welding, spot welding, laser welding and friction mixture welding are used to join different parts of the alloy. The method to be applied is selected depending on factors such as the thickness and shape of the material, the requirements of the application and the equipment available. The reason why friction stir welding was chosen as the joining method of 5083 alloys in this study is that it is a modern and innovative method, as well as an effective method used especially in joining alloy and thermoplastic materials. This method provides high-strength and quality connections and causes less deformation and crack formation compared to traditional welding methods. Friction Stir Welding is increasingly used in industries such as aerospace, automotive and marine.

In conclusion, aluminum 5083 alloy is an important material in terms of its general characterization and properties. Thanks to its strength, lightness and corrosion resistance, it is a preferred option in many industrial applications.

Effects of Micro Arc Oxidation on Metal Materials and Application Potential

Cem Misirli — 2024-08-15

Abstract. Micro arc oxidation (MAO) is a surface treatment technique that involves forming a ceramic layer by processing metal surfaces under high voltage in an electrolytic environment. This method is widely used to strengthen and protect the surfaces of light metals, especially aluminum and its alloys. The effects of MAO on metal materials include changes in the mechanical, chemical and optical properties of the formed ceramic layer. Additionally, industrial applications and future potential of MAO are also discussed. The micro arc oxidation process creates a very thin and hard ceramic layer on metal surfaces. This ceramic layer increases the material's resistance to corrosion, wear and high temperatures. Additionally, the ceramic layer allows the surface to become smooth and coatable. As a result of the MAO process, the microstructure and composition on the material surface can change, allowing customized surface properties to be obtained according to different application requirements. Micro arc oxidation has broad application potential in many industrial sectors. It is widely used to strengthen and protect the surfaces of metal parts used in areas such as automotive, aerospace, defense, energy and medical devices. For example, in the automotive industry, the MAO process is used to strengthen the surfaces of vehicle body parts, engine components and other parts. In the aviation industry, MAO process is applied to increase the resistance of aircraft engine parts to high temperature and wear conditions. Micro arc oxidation process is an important surface treatment technique for strengthening and protecting the surfaces of metal materials. This method, which has a wide application potential, is widely used in industrial applications to meet surface protection and reinforcement requirements. In the future, it is expected that MAO technology will be further developed and its application areas will be expanded.