Blar i Publikasjoner fra CRIStin - NTNU på dokumenttype "Journal article"
Viser treff 61-80 av 32727
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3D motion dynamics of axisymmetric bodies falling through water
(Journal article; Peer reviewed, 2018)A new simplified method for analysis of 3D motion dynamics of axisymmetric slender bodies falling from air through water is presented. Slender-body theory for potential flow of incompressible water is combined with 2D + t ... -
3D Myocardial Mechanical Wave Measurements: Toward In Vivo 3D Myocardial Elasticity Mapping
(Peer reviewed; Journal article, 2020)Objectives This study aimed to investigate the potential of a novel 3-dimensional (3D) mechanical wave velocity mapping technique, based on the natural mechanical waves produced by the heart itself, to approach a noninvasive ... -
3D non-isothermal phase-field simulation of microstructure evolution during selective laser sintering
(Journal article; Peer reviewed, 2019)During selective laser sintering (SLS), the microstructure evolution and local temperature variation interact mutually. Application of conventional isothermal sintering model is thereby insufficient to describe SLS. In ... -
3D numerical modelling of braided channel formation
(Journal article; Peer reviewed, 2021)A numerical model was used to compute the formation of a braided channel system. The model calculated the water flow field from the fully 3D Navier-Stokes equations on a non-orthogonal unstructured adaptive grid. The ... -
3D numerical modelling of scour around a jacket structure with dynamic free surface capturing
(Peer reviewed; Journal article, 2020)This paper presents a numerical investigation of local scour with dynamic free surface capturing around a jacket structure. The hydrodynamics and resulting scour are calculated using the open-source CFD model REEF3D. The ... -
3D Object Quality Metrics and their Differences: How Can We Evaluate Quality of Digitization?
(Peer reviewed; Journal article, 2024)Selecting the optimal resolution and post-processing techniques of 3D objects for cultural heritage documentation is one of the most distinguishable challenges within 3D imaging. Many techniques exist to document a tangible ... -
3D patient-specific numerical modeling of the soft palate considering adhesion from the tongue
(Journal article; Peer reviewed, 2018)Collapse of the soft palate in the upper airway contributes to obstructive sleeping apnea (OSA). In this study, we investigate the influence of the adhesion from the tongue on the soft palate global response. This is ... -
3D Printable Filaments Made of Biobased Polyethylene Biocomposites
(Journal article; Peer reviewed, 2018)Two different series of biobased polyethylene (BioPE) were used for the manufacturing of biocomposites, complemented with thermomechanical pulp (TMP) fibers. The intrinsic hydrophilic character of the TMP fibers was ... -
3D printed thermoelectric polyurethane/multiwalled carbon nanotube nanocomposites: A novel approach towards the fabrication of flexible and stretchable organic thermoelectrics
(Peer reviewed; Journal article, 2020)Three-dimensional (3D) printing of thermoelectric polymer nanocomposites is reported for the first time employing flexible, stretchable and electrically conductive 3D printable thermoplastic polyurethane (TPU)/multiwalled ... -
3D Printing Spatially-varying Color and Translucency
(Journal article; Peer reviewed, 2018)We present an efficient and scalable pipeline for fabricating full-colored objects with spatially-varying translucency from practical and accessible input data via multi-material 3D printing. Observing that the costs ... -
A 3D reactive collision avoidance algorithm for underactuated underwater vehicles
(Peer reviewed; Journal article, 2020)Avoiding collisions is an essential goal of the control system of autonomous vehicles. This paper presents a reactive algorithm for avoiding obstacles in a three‐dimensional space, and shows how the algorithm can be applied ... -
3D reconstruction of gastrointestinal regions using shape-from-focus
(Peer reviewed; Journal article, 2023)3D shape reconstruction from images is an active topic in computer vision. Shape-from-Focus (SFF) is an important approach which requires image stack in a focus controlled manner to infer the 3D shape. In this article, 3D ... -
3D Reconstruction of Gastrointestinal Regions Using Single-View Methods
(Peer reviewed; Journal article, 2023)Capsule endoscopy is about to become an alternative to traditional colonoscopy. One uses a wireless camera to visualize the gastrointestinal (GI) tract. A 3D model based on image sequences obtained from wireless capsule ... -
3D Reconstruction of GI Regions from Single Images
(Peer reviewed; Journal article, 2022)3D shape reconstruction from images is one of the problem under investigation in the field of computer vision. Shape-from-shading (SfS) is an important approach which requires the reflectance properties of surface and light ... -
3D Reconstruction of the Human Colon from Capsule Endoscope Video
(Peer reviewed; Journal article, 2022)In this paper we investigate the possibility of constructing 3D models of longer sections of the human colon using image sequences obtained from wireless capsule endoscope (WCE) video to provide enhanced viewing for ... -
3D seismic interpretation of the depositional morphology of the Middle to Late Triassic fluvial system in Eastern Hammerfest Basin, Barents Sea
(Journal article; Peer reviewed, 2015)Integration of seismic, well and outcrop analog data provided realistic definition of the depositional morphology of the Snadd Formation in the Eastern Hammerfest Basin, Barents Sea. In this work the morphology of the ... -
3D ultrasound reconstruction algorithms from analog and digital data
(Journal article; Peer reviewed, 2010)Freehand 3D ultrasound is increasingly being introduced in the clinic for diagnostics and image-assisted interventions. Various algorithms exist for combining 2D images of regular ultrasound probes to 3D volumes, being ... -
3D ultrasound-guided resection of low-grade gliomas: principles and clinical examples
(Journal article, 2019)3D ultrasound (US) is a convenient tool for guiding the resection of low-grade gliomas, seemingly without deterioration in patients’ quality of life. This article offers an update of the intraoperative workflow and the ... -
3D-Focused ion beam tomography and quantitative porosity evaluation of ZrO2-SiO2 composite coating; amorphous SiO2 as a porosity tailoring agent
(Peer reviewed; Journal article, 2020)The current study is focused on refining effect of amorphous SiO2 on porosity and interlayer formation of sintered ZrO2-SiO2 composite coatings produced on anodic oxidized 316L substrate. The SiO2 improved particle interaction ... -
A 3DOF Path-Following Controller for a Non-Directionally Stable Vessel with Slow Thruster Dynamics
(Peer reviewed; Journal article, 2021)In this paper, a 3DOF path-following controller for an electric double-ended passenger ferry prototype is presented. The controller is formulated through a 3-step backstepping approach, taking into consideration several ...