Essays about: "DEFORMATIONS"

Showing result 6 - 10 of 189 essays containing the word DEFORMATIONS.

1. 6. The influence of soil modeling on the prediction of vehicle dynamics and mobility – A comparison between the Finite Element Method and a Semi[1]Empirical Model

   University essay from Uppsala universitet/Institutionen för informationsteknologi

   Author : Jimmy Kjellqvist; [2023]
   Keywords : ;

   Abstract : This master's thesis investigated the influence of soil modeling on vehicle dynamics and mobility predictions with a focus on two different soil models implemented in Project Chrono: the Bekker-Wong model, and a Finite Element (FE) model. The primary objective is to provide insights for decision-making regarding the most suitable soil model under specific circumstances. READ MORE

3. 7. Uncertainties in the use of synthetic CT (sCT) for daily online adaptive radiotherapy for lung cancer

   University essay from Lunds universitet/Sjukhusfysikerutbildningen

   Author : Johansson Vivika; [2023]
   Keywords : Medicine and Health Sciences;

   Abstract : Background and purpose: Cone Beam Computed Tomography (CBCT) based online adaptive radiotherapy (oART) has been clinically implemented for several anatomical sites worldwide. However, random and abrupt anatomical changes with large density alterations can occur in lung patients, leading to uncertainties with synthetic computed tomography (sCT) and dose calculation. READ MORE

4. 8. Wheel Loader Rear Axle Mounting for Weld Deformations : Exploration and Evaluation of Alternative Mounting Methods

   University essay from Linnéuniversitetet/Institutionen för maskinteknik (MT)

   Author : Frans Forsberg; [2023]
   Keywords : Product Development; Weld Deformation; Design for Manufacturing; Reverse Engineering; 3D-scanning; Wheel Loader;

   Abstract : Welded structures susceptible to weld deformations require sequent processing to allow for mounting of precision components. This thesis includes a case study of the rear axle mount on a Volvo L220 wheel loader. READ MORE

5. 9. Finite Element Macro-modeling of a Historical Masonry Building : Influence of Isotropic vs Anisotropic Plastic Material Model Assumption in Static Analysis

   University essay from KTH/Bro- och stålbyggnad

   Author : Madeleine Olsson; Maja Gustavsson; [2023]
   Keywords : ;

   Abstract : In this study, a macro-modeling strategy is implemented in a bearing wall with arch openings in an existing historical masonry building. This is to investigate what differences and similarities can be observed from the assumption of an orthotropic versus an isotropic constitutive material model. READ MORE

6. 10. Spatiotemporal PET reconstruction with Learned Registration

   University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

   Author : Pierre Meyrat; [2022]
   Keywords : PET; Tomographic reconstruction; Deep Learning; MLEM; PET; Tomografisk rekonstruktion; Deep Learning; MLEM;

   Abstract : Because of the long acquisition time of Positron Emission Tomography scanners, the reconstructed images are blurred by motion. We hereby propose a novel motion-correction maximum-likelihood expectation-maximization algorithm integrating 3D movements between the different gates estimated by a neural network trained on synthetic data with contrast invariance. READ MORE