Sökning: "Parametric modelling"

Visar resultat 26 - 30 av 113 uppsatser innehållade orden Parametric modelling.

  1. 26. Parametric Studies of Train-Track-Bridge Interaction : An evaluation of the dynamic amplification due to track irregularities for freight transport

    Master-uppsats, KTH/Bro- och stålbyggnad

    Författare :Rasmus Elm Dahlman; Emil Lundberg; [2021]
    Nyckelord :Dynamics; dynamic amplification factor; railway bridge; train-track-bridge interaction; vehicle model; track irregularities; PSD; Dynamisk förstoringsfaktor; dynamik; järnvägsbroar; tåg-spår-bro interaktion; fordonsmodell; spårojämnheter; PSD;

    Sammanfattning : In this thesis a train-track-bridge interaction (TTBI) model is developed in order to study the dynamic amplification from track irregularities on railway bridges traversed by freight trains. These simulations are of great importance since rail freight transport is expected to increase in order to meet the climate goals. LÄS MER

  3. 27. Urban infrastructure inundation risk from permanent sea-level rise scenarios in London (UK), Bangkok (Thailand) and Mumbai (India): A comparative analysis

    Master-uppsats, Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Författare :Shawn Pace; [2021]
    Nyckelord :Geography; GIS; Climate Change; Sea-Level Rise; Urban Infrastructure; DEM; London; Mumbai; Bangkok; Earth and Environmental Sciences;

    Sammanfattning : Due to anthropogenically created climate change, global cities are facing inundation by rising sea levels. This study aimed to fill knowledge gaps in understanding the exposure of urban infrastructure such as roads, railways, buildings and parks to sea-level rise (SLR) scenarios, and how this would affect local populations. LÄS MER

  4. 28. En studie av parameterstyrda modeller under projektering

    Kandidat-uppsats, Malmö universitet/Fakulteten för teknik och samhälle (TS)

    Författare :Mehran Noorzaei; [2021]
    Nyckelord :Grasshopper; computational design; parametric design; construction planning and automation.; Grasshopper; parameterstyrd design; parametrisk design; projektering och automatisering.;

    Sammanfattning : Framgången i ett komplicerat byggprojekt bygger på välplanerad projektering som i sin tur är beroende av erfarna aktörer för att kunna vara konkurrenskraftig. Genom att utnyttja parameterstyrda modeller i bland annat repetitiva projekteringsprocesser kan även samarbetet mellan arkitekter, konstruktörer och projektörer effektiviseras. LÄS MER

  5. 29. Design of flow guiding parts through CFD topology optimisation

    Master-uppsats, KTH/Fordonsdynamik

    Författare :Aby Narayamparambil; [2021]
    Nyckelord :Topology optimisation in CFD; Ansys Fluent; Tosca Fluid; Particle track; Backflow tolerance; Topologi optimering i CFD; Ansys Fluent; Tosca Fluid; Particle track; Återflödets tolerans;

    Sammanfattning : Scania works continuously to develop internal combustion engines and after treatment systems which can achieve low pollutant emissions and high efficiency. A major principal that Scania adopted for this goal is the Simulation Driven Development (SDD) process. LÄS MER

  7. 30. Statistical Credit Rating with Survival Regression & Gradient Boosting

    Master-uppsats, KTH/Optimeringslära och systemteori

    Författare :Simon Norell; [2021]
    Nyckelord :;

    Sammanfattning : This thesis concerns the application of statistical modelling of credit risk in corporate borrowers using historical loan data from the Swedish export credit agency Exportkreditnämnden (EKN). Survival Regression in general and the Cox Proportional Hazard (CoxPH) model in particular is presented as a framework applicable to corpoate default and better suited than classification for modeling the binary default outcome of risk exposure data with inconsistent exposure times. LÄS MER