Browsing by Department "Mechanikos mokslo institutas / Institute of Mechanical Science"
Now showing items 1-20 of 179
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A lattice model for elastic particulate composites
(Materials, 2018)In the present article, a version of the lattice or spring network method is proposed to model the mechanical response of elastic particulate composites with a high volume fraction of spherical particles and with a much ... -
A method to improve mounting tolerance of open-type optical linear encoder
(Sensors, 2023)Accuracy becomes progressively important in the wake of development in advanced industrial equipment. A key position sensor to such a quest is the optical linear encoder. Occasionally, inappropriate mounting can cause ... -
A simple approach to mechanical modeling of single mitral valve chorda
(The 13th International Conference “Mechatronic Systems and Materials (MSM - 2017)”, 3-5 July, 2017, Vilnius, Lithuania: abstracts, 2017)The mitral valve (MV) separates the left atrium (LA) from the left ventricle (LV) and controls the blood flow from the LA into the LV. It is composed of the valve annulus, the valve leaflets (anterior and posterior), the ... -
Activated sintering of Cr2O3-based composites by hot pressing
(Materials: Advances in Fine and Structural Ceramics for High-Tech Applications, 2022)The paper presents and discusses questions on structure formation during the sintering process of Cr2O3-based composites using the hot pressing method, when a chemical reaction between the components takes place. The task ... -
Advancing Marine Air Quality: Efficacy and Optimization of Experimental Helical Cyclonic Filter for Particulate Matter Reduction in Ship Emissions
(Proceedings of the International Conference TRANSBALTICA XV: Transportation Science and Technology. September 19-20, 2024, Vilnius, Lithuania, 2025)Authors evaluate the performance of an experimental helical cyclonic filter aimed at reducing particulate matter emissions from ships. With increasing concerns over air pollution from maritime sources, innovative solutions ... -
Aglomeravimo procesais paremtų dujų srauto valymo technologijų taikymas ir palyginimas
(Darni aplinka: 27-osios jaunųjų mokslininkų konferencijos „Mokslas – Lietuvos ateitis“ teminė konferencija / Sustainable Environment: 27th Conference for Junior Researchers "Science - Future of Lithuania", 2024)Aplinkos oro kokybė yra laikoma vienu iš tvarios gyvensenos rodiklių. Kietosioms dalelėms šalinti plačiai taikomos tradicinės valymo technologijos, pagrįstos gravitaciniu, išcentriniu, elektrostatiniu ir kitais veikimo ... -
Akustinis ultrasmulkių dalelių filtras dujų išmetimo sistemoms
(45-oji Lietuvos nacionalinė fizikos konferencija, 2023 m. spalio 25-27 d., Vilnius : programa ir pranešimų tezės, 2023) -
Analysis of customer service quality models and for their approbation opportunities in aviation
(Periodica Polytechnica. Transportation Engineering, 2022)The article examines tools, which may be used to assess service quality in aviation and to analyze service quality models. Many experts analyzing customer service state that a good customer service is one of the most ... -
Analysis of dynamic parameters of a linear positioning table system
(Mechanika, 2020)In the paper, the spread of intensity of linear positioning table system vibrations is examined and an analysis of their parameters upon applying the theory of covariance functions is carried out. For the investigation, ... -
Analysis of dynamic parameters of a railway bridge
(Applied sciences, 2019)This article analyses the dispersion of vibration accelerations of a railway bridge during the passage of a train, and presents an analysis of their parameters after the application of the theory of covariance functions. ... -
Analysis of dynamic parameters of the system of raster formation and control
(Communications - scientific letters of the university of Zilina, 2020)The presented research work analyzes the sensing system, the main aim of which is a raster formation and controlling this process using the optical measuring equipment and high precision angle encoders. Optical measuring ... -
Analysis of parameters of railway bridge vibration caused by moving rail vehicles
(Measurement and control, 2019)The durability and endurance of the exploitation of railway bridges depend on the intensity and the manner of the static and dynamic loads affecting them. Heavy freight trains passing the bridges cause huge vertical and ... -
Analysis of sound power level changes caused by wheel with flat spot using numerical and physical experiment
(Applied sciences: Section: Acoustics and vibrations, 2021)Damage to the running surfaces of wheels on railways poses a threat to road safety. They can lead to accidents and disasters. Wheels with a flat spot are the biggest threat. The paper reviews problems that arise when wheels ... -
Analysis of the planar point identification accuracy in CMM measurements
(Sensors, 2022)The paper presents the results of the investigations on the direction-dependent accuracy of the point identification during contact probe measurements with a coordinate measuring machine (CMM). Considering the contact point ... -
Analysis of the vehicle chassis axle fractures
(Materials: Special issue: Fracture mechanics and fatigue damage of materials and structures, 2023)With the rapid development of the road transport industry, trucks with semi-trailers have become the main means of transporting goods by road. High quality, durability and reliability of the construction are the main ... -
Application of ensemble of recurrent neural networks for forecasting of stock market sentiments
(Equilibrium - quarterly journal of economics and economic policy, 2018)Research background: Research and measurement of sentiments, and the integration of methods for sentiment analysis in forecasting models or trading strategies for financial markets are gaining increasing attention at ... -
Atrial fibrillation classification using QRS complex features and LSTM
(Computing in Cardiology (CinC): Annual conference endorsed by the ESC Working Group on e-Cardiology, 24-27 September 2017, Rennes, France, 2017)Classification of Atrial Fibrillation from diverse electrocardiographic (ECG) signals is the challenging objective of the 2017 Physionet Challenge. We suggest a Long Short Term Memory (LSTM) network, which learns patterns ... -
Aukštos skyros precizinių keitiklių dinaminių reiškinių tyrimai
(Inžinerinės ir edukacinės technologijos = Engineering and educational technologies, 2020)Darbe nagrinėjami aukštos skyros precizinių keitiklių dinaminių reiškiniai, kurie yra atsakas aplinkos ir tiriamos sistemos elementų virpesių. Darbe sukurtas aukštos skyros kodinio precizinio kampo keitiklio dinaminių ...