Sökning: "ritz"

Visar resultat 1 - 5 av 10 uppsatser innehållade ordet ritz.

  1. 1. Solving Partial Differential Equations With Neural Networks

    Master-uppsats, Uppsala universitet/Matematiska institutionen

    Författare :Håkan Karlsson Faronius; [2023]
    Nyckelord :Partial differential equations; neural networks; physics-informed neural networks; deep ritz method; fourier neural operator; importance sampling; inverse problems;

    Sammanfattning : In this thesis three different approaches for solving partial differential equa-tions with neural networks will be explored; namely Physics-Informed NeuralNetworks, Fourier Neural Operators and the Deep Ritz method. Physics-Informed Neural Networks and the Deep Ritz Method are unsupervised machine learning methods, while the Fourier Neural Operator is a supervised method. LÄS MER

  3. 2. Reissner Mixed Variational Theorem for Ritz Sublaminate Generalized Unified Formulation

    Master-uppsats, KTH/Lättkonstruktioner

    Författare :Pier Antonio Esposito; [2021]
    Nyckelord :Mechanics; FEM; Ritz; Reissner; Stress; deformations; composite materials; Mekanik;

    Sammanfattning : This thesis is about the development of a new numerical method for the analysis of composite shells. The present work is based on Reissner Mixed Variational Theorem (RMVT), the Sublaminate Generalized Unified Formulation (S-GUF), and the Ritz approximation. LÄS MER

  4. 3. The Future of Scent as Trademarks in the European Union - A comparative study of the challenges and possibilities for protection of olfactory signs in the European Union and the United States

    Magister-uppsats, Göteborgs universitet/Juridiska institutionen

    Författare :Robin Klingberg; [2019-06-11]
    Nyckelord :;

    Sammanfattning : As the uses and functions of trademarks changes, the type of sign considered trademarks changes as well. Today, many would consider sound jingles or even colors as obvious choices in a successful marketing strategy. Though somewhat lurking in the shadows for at least three decades, olfactory signs have yet to reach their breakthrough. LÄS MER

  5. 4. Laguerre Bases for Youla-Parametrized Optimal-Controller Design: Numerical Issues and Solutions

    Uppsats för yrkesexamina på avancerad nivå, Lunds universitet/Institutionen för reglerteknik

    Författare :Olle Kjellqvist; [2018]
    Nyckelord :Technology and Engineering;

    Sammanfattning : This thesis concerns the evaluation of cost functionals on H2 when designing optimal controllers using finite Youla parameterizations and convex optimization. We propose to compute inner products of stable, strictly proper systems via solving Sylvester equations. LÄS MER

  7. 5. "Down with the Ritz - Long live the street." : a critical discourse analysis on the merge of streetwear and high fashion.

    Kandidat-uppsats, Lunds universitet/Avdelningen för modevetenskap

    Författare :Jasmin Juzbasic; [2017]
    Nyckelord :high fashion; streetwear; co-branding; personal branding; collaborations; subcultures; postfashion; Cultural Sciences;

    Sammanfattning : This study has given insight to the phenomenon of collaborations between high fashion brands and streetwear brands within the fashion discourse. The study uses journalistic texts from popular online streetwear magazines as empirical material in order to perform a critical discourse analysis on the sub-discourses of high fashion and streetwear. LÄS MER