Search Results - "3D Geometry"

The importance of flow for secondary school students’ experiences in geometry

Authors: Bergström, Tove Gunnarsson, Gunilla Olteanu, Constanta

Source: International Journal of Mathematical Education in Science and Technology. 54(6):1067-1091

Subject Terms: 3D geometry, flow, skills, critical aspects, mathematical experiences, time, challenges, Mathematical Education, Matematikdidaktik

File Description: electronic

Access URL: https://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-107734
https://doi.org/10.1080/0020739X.2021.1989511

Treatment planning methods for clinical electroporation

Authors: Qasrawi, Radwan

Contributors: University/Department: Universitat Pompeu Fabra. Departament de Tecnologies de la Informació i les Comunicacions

Thesis Advisors: Ivorra Cano, Antoni, Abdeen, Ziad

Source: TDX (Tesis Doctorals en Xarxa)

Subject Terms: Electrochemotherapy, Irreversible electroporation, Treatment planning, Image processing, Segmentation, 3D geometry, Meshing, Decimation, Blood vessels, Liver, Conductivity, Electric field distribution, Numerical modeling, Analytical modeling, Electroquimioteràpia, Electroporación irreversible, Planificación del tratamiento, Procesamiento de imágenes, Segmentación, Geometría 3D, Mallado, Reducción, Vasos sanguíneos, Hígado, Conductividad, Distribución del campo eléctrico, Modelado numérico, Modelado analítico

File Description: application/pdf

Access URL: http://hdl.handle.net/10803/441753

A Voxel-FNO-based machining deformation prediction method for structural parts

Authors: He, Fangzhou Li, Yingguang Liu, Changqing et al.

Source: The International Journal of Advanced Manufacturing Technology. 138(2):669-685

Subject Terms: Machining deformation prediction, Neural operator, 3D geometry, Voxel representation, Virtual Manufacturing Processes

File Description: print

Access URL: https://urn.kb.se/resolve?urn=urn:nbn:se:his:diva-25105

Exploring High School Students' Mathematical Reasoning in Geometry Using GeoGebra-Assisted Problem-Based Learning

Authors: Nuralam, Humam Jupri, Al Alifulloh, Wenda

Source: Jurnal Teknologi Pendidikan, Vol 26, Iss 3 (2024)
JTP-Jurnal Teknologi Pendidikan; Vol. 26 No. 3 (2024): Jurnal Teknologi Pendidikan; 1132-1147

Subject Terms: High school geometry problem-solving, Mathematical Reasoning, Three-dimensional geometry education, Mathematical reasoning development, Digital tools for enhancing spatial reasoning, Geometry, Education (General), Problem-Based Learning, Theory and practice of education, Technology in mathematics education, GeoGebra, 3D geometry reasoning challenges, Prior mathematical ability (PMA) analysis, Innovative teaching strategies in geometry, Prior Mathematical Ability, GeoGebra-assisted learning, L7-991, Problem-based learning in mathematics, LB5-3640

File Description: application/pdf

Access URL: https://doaj.org/article/15c54932082f45de9949e43497f7bc6c
https://journal.unj.ac.id/unj/index.php/jtp/article/view/49887

Investigating the integration of technology-aided assessment methods in teaching and learning 3D geometry in Tanzanian secondary schools

Authors: Marcellina Mjenda Florence Kyaruzi

Source: Cogent Education, Vol 12, Iss 1 (2025)

Subject Terms: 3D geometry, mathematics teachers, teaching and learning, technology-aided assessment methods, technology integration, Classroom Practice, Education (General), L7-991

File Description: electronic resource

Relation: https://doaj.org/toc/2331-186X

Access URL: https://doaj.org/article/d917d901789b402597db1087f0f3dc85

Density and magnetization models for the Acoculco geothermal field by joint 3D inversion

Authors: Perez-Flores, MA Carrillo, Jonathan Schill, E et al.

Subject Terms: Earth Sciences, Geology, Geophysics, Joint inversion, 3D geometry, Acoculco, Resources Engineering and Extractive Metallurgy, Geochemistry & Geophysics, Resources engineering and extractive metallurgy

File Description: application/pdf

Access URL: https://escholarship.org/uc/item/1tz0s7qw
https://escholarship.org/content/qt1tz0s7qw/qt1tz0s7qw.pdf

3D Geometry and Evolution of Salt Walls and Surrounding Minibasins: Contrasting Styles from the Norwegian Central North Sea

Authors: Isikalp, Umut Duffy, Oliver Moragas, Mar et al.

Contributors: Isikalp, Umut Duffy, Oliver Moragas, Mar et al.

Subject Terms: 3D Geometry, Tectonostratigraphy, Norwegian Central North Sea, Sedimentology

Access URL: http://hdl.handle.net/10261/383409

Optimal surface defect detector design based on deep learning for 3D geometry

Authors: Sangmin Suh

Source: Scientific Reports, Vol 15, Iss 1, Pp 1-13 (2025)

Subject Terms: 3D geometry, Artificial intelligence, Deep learning, Geometric transformation, Surface defect detection, Medicine, Science

File Description: electronic resource

Relation: https://doaj.org/toc/2045-2322

Access URL: https://doaj.org/article/5548050555ed441d9f26fce5914c34ad

Exploring junior high school students' geometry self-efficacy in solving 3D geometry problems through 5E instructional model intervention: A grounded theory study

Authors: Sudirman Sudirman Javier García-García Camilo Andrés Rodríguez-Nieto et al.

Source: Infinity, Vol 13, Iss 1, Pp 215-232 (2024)

Subject Terms: 4. Education, 5e instructional model, QA1-939, geometry self-efficacy, Education (General), L7-991, 3d geometry problem solving, Mathematics

Access URL: https://doaj.org/article/98d1e8bc89124a7680d9990e710f4849

Thin-film waveguide L¨uneburg lens in the model of adiabatic guided modes

Authors: Egorov A.A. Lovetsky K.P. Sevastianov A.L. et al.

Source: Mathematical Modelling and Geometry. 11:1-12

Subject Terms: system of linear algebraic equations, generalized Luneburg lens, asymptotic method, Nelder-Mead simplex method, waveguide optoelectronics, eigenvalues, eigenfunctions, electromagnetic radiation, system of ordinary differential equations, tikhonov regularization method, nonlocal boundary conditions, numerical integration, Vector Maxwell equations, cauchy problem, 2D and 3D geometry, mathematical model, adiabatic guided modes, Quasi-TE and quasi-TM modes

Automatic Camera Pose Estimation by Key-Point Matching of Reference Objects

Authors: Zeng, Jinchen (author) Butler, R.M. (author) van den Dobbelsteen, J.J. (author) et al.

Source: ICASSP 2023 - 2023 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP). :1-5

Subject Terms: Camera calibration, 3D geometry, camera pose estimation, Perspective-n-Point, 0211 other engineering and technologies, 0202 electrical engineering, electronic engineering, information engineering, 02 engineering and technology

Access URL: http://resolver.tudelft.nl/uuid:166ca190-a485-46fc-8ea7-050eb1792438

The severity of local undercut on fatigue life of welded joints

Authors: Niraula Abinab Remes Heikki Department of Energy and Mechanical Engineering et al.

Contributors: Niraula Abinab Remes Heikki Department of Energy and Mechanical Engineering et al.

Source: International Journal of Fatigue. 197:108949

Subject Terms: Local weld notch, 3D geometry, Undercut, Butt weld, Fatigue, Strain-based analysis

File Description: application/pdf

Access URL: https://aaltodoc.aalto.fi/handle/123456789/134902

The Golden Disphenoid ANNA: A Three-Dimensional Constant from the Golden Ratio

Authors: Miele, Carlo Alberto

Subject Terms: Geometry, Algebraic geometry, golden ratio, disphenoid, algebraic constant, Mathematics, tetrahedron, 3D geometry, phi constant, minimal polynomial

Relation: https://zenodo.org/records/17259930; oai:zenodo.org:17259930; https://doi.org/10.5281/zenodo.17259930

Availability: https://doi.org/10.5281/zenodo.17259930
https://zenodo.org/records/17259930

SARS-CoV‑2 RNA’s Dual Identity: G‑Quadruplex versus Hairpin

Authors: Alex Nyporko Ivan Voiteshenko Margarita Zarudnaya et al.

Subject Terms: Biophysics, Biochemistry, Molecular Biology, Sociology, Cancer, Infectious Diseases, Computational Biology, Biological Sciences not elsewhere classified, Chemical Sciences not elsewhere classified, Physical Sciences not elsewhere classified, quadruplexes critically depends, 2 potential quadruplex, potential quadruplex, studying g, relative stability, quadruplexes formation, pseudouridine site, pseudouridine colocalized, position 28903, hoogsteen connections, dynamic stability, dual identity, direct unwinding, dimensional structures, computational study, biophysical assays, also shown, 3d geometry

Availability: https://doi.org/10.1021/acsomega.5c02568.s001
https://figshare.com/articles/journal_contribution/SARS-CoV_2_RNA_s_Dual_Identity_G_Quadruplex_versus_Hairpin/29447792

Face-vs-Segment Comparison:A New Method for Comparing As-Planned and As-Built Models

Authors: Tsimpiskakis, Georgios Petrova, Ekaterina Torta, Elena et al.

Contributors: Tsimpiskakis, Georgios Petrova, Ekaterina Torta, Elena et al.

Source: Tsimpiskakis, G, Petrova, E, Torta, E & Pauwels, P 2025, Face-vs-Segment Comparison : A New Method for Comparing As-Planned and As-Built Models. in E Petrova, M Srećković, P Meda, R K Soman, J Beetz, J McArthur & D Hall (eds), Proceedings of the 2025 European Conference on Computing in Construction & CIB W78 Conference on IT in Construction. Computing in Construction, European Council on Computing in Construction (EC3), 2025 European Conference on Computing in Construction & 42nd CIB W78 Conference on IT in Construction, Porto, Portugal, 14/07/25. https://doi.org/10.35490/EC3.2025.276

Subject Terms: Building Information Modeling (BIM), Scan-vs-BIM, robotic navigation, BIM model updating, Digital Twinning, Construction Progress Monitoring, RANSAC, DBSCAN, Industry Foundation Classes (IFC), 3D Geometry

File Description: application/pdf

Relation: info:eu-repo/semantics/altIdentifier/isbn/978-9-083451-31-2

Availability: https://research.tue.nl/en/publications/4f1f6c3b-0f53-4c4d-bd51-a6301f265f68
https://doi.org/10.35490/EC3.2025.276
https://pure.tue.nl/ws/files/369307499/EC32025_276.pdf

Integrating LiDAR, Photogrammetry, and Computational Fluid Dynamics for Wind Flow Simulations Around Existing Buildings

Authors: Richard Acquah Edgaras Misiulis Anna Sandak et al.

Source: Remote Sensing ; Volume 17 ; Issue 3 ; Pages: 556

Subject Terms: computational fluid dynamics, wind flow simulation, LiDAR, photogrammetry, 3D geometry reconstruction, computer-aided design

Subject Geographic: agris

File Description: application/pdf

Relation: https://dx.doi.org/10.3390/rs17030556

Availability: https://doi.org/10.3390/rs17030556

Conformal approach to physics simulations for thin curved 3D membranes

Authors: Boguş, I. Bogush, I. Богуш, И.А. et al.

Source: Computer Physics Communications 1-14

Subject Terms: 3d membrane, Complex 3D geometry, Finite-difference methods, Ginzburg-Landau, Nano-architecture, Physical phenomena, Physics simulation, Sensorics, Time dependent, Time-dependent ginzburg-landau

File Description: application/pdf

Relation: https://ibn.idsi.md/vizualizare_articol/232150; urn:issn:00104655

Availability: https://ibn.idsi.md/vizualizare_articol/232150
https://doi.org/10.1016/j.cpc.2025.109736

Virtual reality as a teaching and learning tool for three-dimensional geometry ; Realidad virtual como estrategia de enseñanza y aprendizaje para la geometría tridimensional

Authors: Ramírez Jofré, Brahiam González Díaz, Marcelo Zambrano Reyes, Ricardo

Source: Paradigma: Revista de Investigación Educativa; Vol. 32 No. 53 (2025); 97-120 ; Paradigma: Revista de Investigación Educativa; Vol. 32 Núm. 53 (2025); 97-120 ; 2664-5033 ; 1817-4221

Subject Terms: 3D geometry, virtual reality, didactic innovation, math education, geometría 3D, realidad virtual, innovación didáctica, educación matemática

File Description: application/pdf; text/html

Relation: https://www.camjol.info/index.php/PARADIGMA/article/view/20557/25101; https://www.camjol.info/index.php/PARADIGMA/article/view/20557/25102; https://www.camjol.info/index.php/PARADIGMA/article/view/20557

Availability: https://www.camjol.info/index.php/PARADIGMA/article/view/20557
https://doi.org/10.5377/paradigma.v32i53.20557

Reverse Engineering-Inspired Parametric 3D Geometry Model of Marine Propeller

Authors: Long Zheng Shunhuai Chen Xinyu Chen et al.

Source: Polish Maritime Research, Vol 30, Iss 3, Pp 35-47 (2023)

Subject Terms: surface reconstruction, marine propeller, geometric modeling, parametric 3d geometry model, Naval architecture. Shipbuilding. Marine engineering, 0103 physical sciences, VM1-989, 02 engineering and technology, 01 natural sciences, 0201 civil engineering

Access URL: https://doaj.org/article/e350342b3cf845b98c3a065fe0227008

Controllable GAN Synthesis Using Non-Rigid Structure-from-Motion

Authors: Haas, René Grasshof, Stella Brandt, Sami Sebastian

Source: 2023 IEEE/CVF Conference on Computer Vision and Pattern Recognition Workshops (CVPRW). :678-687

Subject Terms: FOS: Computer and information sciences, 3D Geometry Editing, Computer Vision and Pattern Recognition (cs.CV), Computer Science - Computer Vision and Pattern Recognition, 0202 electrical engineering, electronic engineering, information engineering, Sparse Neural Regressor, 02 engineering and technology, Latent Space Trajectories, Non-rigid Structure-from-Motion, Deep Generative Models

Access URL: http://arxiv.org/abs/2211.07195