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Search results for: GEOMETRIA WYKREŚLNA
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Marek Czachor prof. dr hab.
People -
Biometria
e-Learning Courses -
Discrete Models: Combinatorics, Computation and Geometry
Conferences -
Conference on Graph Theory and Discrete Geometry
Conferences -
Symposium on Computational Geometry for Mechanics and Applications
Conferences -
Annual Fall Workshop on Computational Geometry
Conferences -
X-ray images of Baltic herring. Data analysis
Open Research DataBased on the developed methodology for the: (i) optimal method of catching, (ii) transporting and storing fish, (iii) measuring and (iv) analyzing X-rays images, the existing collection of X-ray images of Baltic herring, caught in October 2002 during the Swedish component of the Baltic International Acoustic Survey (BIAS) in the Baltic proper (ICES...
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Calibration images under different lighting conditions vol. 1
Open Research DataDataset description: Calibration images under different lighting conditions vol. 1
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Wizyjna kontrola ostrzy pił tarczowych.
PublicationDokładność geometrii ostrzy oraz ich położenie w korpusie piły są istotnymi elementami jakości pił tarczowych. Automatyczną i kompleksową kontrolę geometrii ostrzy pił tarczowych prowadzić można przy zastosowaniu wizyjnego kontrolera geometrii ostrzy pił tarczowych WKOPTar. W artykule opisano możliwości kontrolera, a także pokazano szereg przykładowych wyników badań geometrii ostrzy wraz z ich interpretacją.
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Local mesh morphing technique for parametrized macromodels in the finite element method
PublicationThis paper presents a novel approach for enhancing the efficiency of the design process of microwave devices by means of the finite element method. It combines mesh morphing with local model order reduction (MOR) and yields parametrized macromodels that can be used to significantly reduce the number of variables in the FEM system of equations and acceleration of computer simulation. A projection basis for local reduction is generated...
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Finite element modeling of plastic hinges based on ductility demand-capacity method using nonlinear material for dynamic analysis
PublicationThe article discusses modeling plastic hinges in reinforced concrete interme-diate supports using finite elements methods. The ductility demand-capacitymethod was used to determine the geometrical parameters of cross-section plas-ticization zones, their ability to move and rotate, as well as their ductility. Dueto the varied geometry and stiffness of the supports and their nonlinear behav-ior under dynamic load, this method was...
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Parseval Wavelet Frames on Riemannian Manifold
PublicationWe construct Parseval wavelet frames in L 2 (M) for a general Riemannian manifold M and we show the existence of wavelet unconditional frames in L p (M) for 1 < p < ∞. This is made possible thanks to smooth orthogonal projection decomposition of the identity operator on L 2 (M), which was recently proven by Bownik et al. (Potential Anal 54:41–94, 2021). We also show a characterization of Triebel–Lizorkin F sp,q (M) and Besov B...
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Wpływ przechyłki na zjawisko postępowania zużycia bocznego szyn kolejowych w łukach poziomych
PublicationDegradacja elementów nawierzchni kolejowej jest zagadnieniem bardzo złożonym, w które uwikłane jest wiele czynników związanych między innymi z układem geometrycznym toru kolejowego, właściwościami trybologicznymi poszczególnych elementów nawierzchni, jak również z parametrami podłoża gruntowego, a także z właściwościami samych pojazdów szynowych. W artykule omówiono jeden z powyższych problemów, tj. wpływ ukształtowania toru kolejowego...
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Jan Cudzik dr inż. arch.
PeopleJan Cudzik (Ph.D. Eng. Arch.) is an assistant professor at the Department of Urban Architecture and Waterside Spaces at the Faculty of Architecture of the Gdańsk University of Technology and the head of the Laboratory of Digital Technologies and Materials of the Future. He is researching kinematic architecture, digital techniques in architectural design, digital fabrication, and forms of artificial intelligence in architecture...
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Experimental and numerical evaluation of mechanical behaviour of composite structural insulated wall panels under edgewise compression
PublicationA composite structural insulated sandwich panel (CSIP) is a quite novel approach to the idea of sandwich structures. A series of natural-scale experimental test is required each time a change in panel’s geometry is planned and a reliable computational tool is required to precede actual laboratory testing with virtual simulations. An attempt of creating such a tool has been made with use of a commercial FEM code ABAQUS, in order...
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Geometria dla architekta 2021/2022
e-Learning Courses -
Geometria analityczna - wykład 2022/2023
e-Learning CoursesWFTIMS, studia I stopnia, kierunek: Matematyka, sem. 1
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Geometria analityczna – ćwiczenia - 2022/2023
e-Learning CoursesKurs dla Studentów Matematyki semestr 1
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Geometria dla architekta 2023/2024
e-Learning Courses -
Geometria analityczna - wykład 2024/2025
e-Learning CoursesWFTIMS, studia I stopnia, kierunek: Matematyka, sem. 1
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Geometria analityczna – ćwiczenia - 2023/2024
e-Learning CoursesKurs dla Studentów Matematyki semestr 1
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Geometria analityczna - ćwiczenia - 2024/2025
e-Learning CoursesKurs dla Studentów Matematyki semestr 1
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Geometria analityczna - wykład 2023/2024
e-Learning CoursesWFTIMS, studia I stopnia, kierunek: Matematyka, sem. 1
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Heat exchange enhancement of jet impingement cooling with the novel humped-cone heat sink
PublicationJet impingement cooling technology is applicable to control temperature of devices, where very high heat flux is generated within a small area. This paper is about the improvement of the jet impingement cooling efficiency by the heat sink geometry modification. Two reference cases were sourced from the literature – flat heat sink and modified one with cone in the jet stagnation region. Such a change improves cooling capability...
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Friction Stir Welding of Aluminum in the Aerospace Industry: The Current Progress and State-of-the-Art Review
PublicationThe use of the friction stir welding (FSW) process as a relatively new solid-state welding technology in the aerospace industry has pushed forward several developments in different related aspects of this strategic industry. In terms of the FSW process itself, due to the geometric limitations involved in the conventional FSW process, many variants have been required over time to suit the different types of geometries and structures,...
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Wstęp do grafiki komputerowej i geometrii obliczeniowej [2022/23]
e-Learning CoursesWstęp do grafiki komputerowej i geometrii obliczeniowej, st. II, sem. 1 Matematyka
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Wstęp do grafiki komputerowej i geometrii obliczeniowej [2023/24]
e-Learning CoursesWstęp do grafiki komputerowej i geometrii obliczeniowej, st. II, sem. 1 Matematyka
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Fraktale rok akad. 2023/2024
e-Learning CoursesCelem wykładu jest przybliżenie słuchaczom podstawowych pojęć i faktów z geometrii fraktalnej.
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APPLICATION OF THE KOSECKI’S METHOD IN DESIGNING OF OFFSHORE WIND POWER PLANTS FOUNDATION
PublicationThe concept of offshore wind power plants has been well developed in many European countries. There is no such thing as design of offshore wind power plants according to national tradition. The main problem is the lack of standards and guidelines. Ones being applied are Scandinavian or American methods which are not fully adapted to the conditions of the Baltic Sea. The article focuses on the monopile design, as it is currently the...
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Detection of Closing Crack in Beam Based on Responses Induced by Harmonic Excitation
PublicationThe non-linear contact model was chosen to simulate the closed crack in the cantilever beam. The study examines the shape and characteristics of the phase diagram of a cantilever beam with closed cracks. It investigates how various crack properties influence the geometry of the phase diagram and proposes a method for identifying cracks based on their features. The area of each closed curve in the phase diagram is determined using...
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Recent advances of selected passive heat transfer intensification methods for phase change material-based latent heat energy storage units: A review
PublicationThe following article overviews recent studies regarding heat transfer enhancement methods, explicitly focusing on fins and coils utilization, in phase change material-based latent heat thermal energy storage systems. It discusses the influence of various geometrical and material parameters on the melting and solidification processes, as well as the orientation of the heat transfer surface within the storage tank. Additionally,...
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WETI (Informatyka)- Matematyka, studia zaoczne
e-Learning CoursesSem. I - Analiza matematyczna Sem II - Algebra liniowa z geometrią analityczną.
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International Conference on Discrete Geometry for Computer Imagery
Conferences -
Modelowanie przestrzennego rozkładu magnetycznego pola rozproszonego dla złączy doczołowych.
PublicationOpisano wyniki analizy numerycznej (metoda elementów skończonych) rozkładu indukcji magnetycznej wewnątrz i przy powierzchni złącz spawanych. Badano wpływ materiału, geometrii spoiny oraz geometrii wady na te rozkłady.
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Algebra liniowa z geometrią 2024
e-Learning Courses -
Algebra liniowa 2022
e-Learning CoursesAlgebra liniowa z geometrią (FIZ1B0061); Fizyka Techniczna (WFTiMS), I stopnia - inżynierskie, stacjonarne.
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Algebra liniowa 2023
e-Learning CoursesAlgebra liniowa z geometrią (FIZ1B0061); Fizyka Techniczna (WFTiMS), I stopnia - inżynierskie, stacjonarne.
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STABILITY AND LOAD BEARING CAPACITY OF A BARS WITH BUILT UP CROSS SECTION AND ELASTIC SUPPORTS
PublicationThe present paper is devoted to the numerical analysis and experimental tests of compressed bars with built–up cross section which are commonly used as a top chord of the roof trusses. The significant impact on carrying capacity for that kind of elements in case of out-of-plane buckling is appropriate choice of battens which are used to provide interaction between separate members. Linear buckling analysis results and nonlinear static...
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3D point cloud as a representation of silo / tank
Open Research DataThe product presents a point cloud in the set of coordinates X Y Z. The data was obtained by terrestrial laser scanning and its processing for the analysis of tanks geometry. The development process indicates the possibility to obtain the reliable results useful for the evaluation of the tank side surfaces geometry.
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Fatigue life tests of steel laser-welded sandwich structures
PublicationW publikacji zaprezentowano rezultaty systematycznych badań trwałości zmęczeniowej elementarnych połączeń wykonanych techniką spawania laserowego dla różnych wariantów geometrii złącz. Pokazano uzyskane wyniki i ich aproksymację, porównano uzyskane rezultaty dla różnych geometrii.
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X-ray images of Baltic herring
Open Research DataA methodology for studying the geometric shape of Baltic herring swimbladders including the optimal way of catching, transporting and storing fish, the X-ray measurements and the X-ray image analysis, that does not change the natural shape of the fish swimbladder was developed. Fish for research was obtained in the area of the Polish coastal zone...
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Mechanical response of human thoracic spine ligaments under quasi-static loading: An experimental study
PublicationPurpose This study aimed to investigate the geometrical and mechanical properties of human thoracic spine ligaments subjected to uniaxial quasi-static tensile test. Methods Four human thoracic spines, obtained through a body donation program, were utilized for the study. The anterior longitudinal ligament (ALL), posterior longitudinal ligament (PLL), capsular ligament (CL), ligamenta flava (LF), and the interspinous ligament and...
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Designing of Track Axis Alignment with the Use of Satellite Measurements and Particle Swarm Optimization
PublicationDesigning of the track’s alignment is a key issue from the point of view of maintaining of proper geometries. The paper presents a design method for sections of railway line located in the horizontal arch. The method is adapted to the technique of mobile satellite measurements. The general principles of this measurement method have been described in the article. A project's solution has been presented using mathematical notation...
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Widzenie komputerowe (2024/2025)
e-Learning CoursesKurs skierowany dla studentów II stopnia kierunku Matematyka, specjalność Geometria i Grafika Komputerowa. Jego zakres obejmuje metody akwizycji, filtrowania, analizy i rozpoznawania obrazów.
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Widzenie komputerowe
e-Learning CoursesKurs skierowany dla studentów II stopnia kierunku Matematyka, specjalność Geometria i Grafika Komputerowa. Jego zakres obejmuje metody akwizycji, filtrowania, analizy i rozpoznawania obrazów.
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Testing of Software for the Planning of a Linear Object GNSS Measurement Campaign under Simulated Conditions
PublicationThe precision of a linear object measurement using satellite techniques is determined by the number and the relative position of the visible satellites by the receiver. The status of the visible constellation is described by DOP. The obtained geometric coefficient values are dependent on many variables. When determining these values, field obstacles at the receiver location and satellite positions changing with time must be taken...
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WFTiMS_IM - Algebra liniowa z geometrią - 2023/2024 (A.Niewulis)
e-Learning CoursesKurs do przedmiotu Algebra liniowa z geometrią przeznaczony dla studentów kierunku Inżynieria Materiałowa.
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WFTiMS - IM - Algebra liniowa z geometrią 2024/25 (A.Niewulis)
e-Learning CoursesKurs do przedmiotu Algebra liniowa z geometrią przeznaczony dla studentów kierunku Inżynieria Materiałowa.
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Parametrized Local Reduced-Order Models With Compressed Projection Basis for Fast Parameter-Dependent Finite-Element Analysis
PublicationThis paper proposes an automated parametric local model-order reduction scheme for the expedited design of microwave devices using the full-wave finite-element method (FEM). The approach proposed here results in parameterized reduced-order models (ROMs) that account for the geometry and material variation in the selected subregion of the structure. In each subregion, a parameter-dependent projection basis is generated by concatenating...
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Mobile Cloud computing architecture for massively parallelizablegeometric computation
PublicationCloud Computing is one of the most disruptive technologies of this century. This technology has been widely adopted in many areas of the society. In the field of manufacturing industry, it can be used to provide advantages in the execution of the complex geometric computation algorithms involved on CAD/CAM processes. The idea proposed in this research consists in outsourcing part of the load to be com- puted in the client machines...