Essays about: "MDO"

Showing result 1 - 5 of 10 essays containing the word MDO.

  1. 1. Development of a Methodology for Efficient FEM Pre-processes to Aid Simulation-driven Design

    University essay from Linköpings universitet/Maskinkonstruktion; Linköpings universitet/Maskinkonstruktion

    Author : Mattias Bäckman; Josef Kling; [2018]
    Keywords : FEM; Welds; Automation; MDO; HyperMesh; Simulation-driven design; Design Automation; Pre-processes; Mesh;

    Abstract : With both tougher competition and legislations, companies always strive to improve their products while cutting unnecessary costs. This master’s thesis investigates if the after-treatment systems department at the heavy-duty vehicle company Scania CV AB in Södertälje, Sweden can improve their development process by implementing automated FEM pre-processes for welded sheet metal components. READ MORE

  2. 2. Probabilistic Multidisciplinary Design Optimization on a high-pressure sandwich wall in a rocket engine application

    University essay from Umeå universitet/Institutionen för fysik

    Author : Dennis Wahlström; [2017]
    Keywords : Multidisciplinary Design Optimization; Analytical Target Cascading; Multidisciplinary Feasible; Space Nozzle; Ariane; Expander Cycle Engine; Upper stage space rocket engine; Probabilistic; Augmented Lagrangian relaxation; Finite element; Solid Mechanics; Thermodynamics; Aerodynamics; Industrial approach; Latin Hypercube Sampling; Factorial Analysis; Analysis of Variance;

    Abstract : A need to find better achievement has always been required in the space industrythrough time. Advanced technologies are provided to accomplish goals for humanityfor space explorer and space missions, to apprehend answers and widen knowledges. READ MORE

  3. 3. Combined gas- and steam turbine as prime mover in marine applications

    University essay from Chalmers tekniska högskola/Institutionen för sjöfart och marin teknik

    Author : Sebastian Packalén; Niklas Karlsson Nord; [2017]
    Keywords : Gas turbine; steam turbine; COGES; COGAS; Siemens; emissions; efficiency; ship propulsion;

    Abstract : The gas turbines are known to have good efficiency when used in combined cycle configurations and has been used for ship propulsion in different types of vessels; mainly naval vessels, cruise ships and fast ferries. Still, diesel engines are by far the most common type of engines used for ship propulsion today. READ MORE

  4. 4. Parametric CAD Modeling to aid Simulation-Driven Design : An evaluation and improvement of methods used at Scania

    University essay from Linköpings universitet/Maskinkonstruktion; Linköpings universitet/Maskinkonstruktion

    Author : Andreas Grandicki; Mattias Lokgård; [2017]
    Keywords : CAD; CAE; parameter; parametric; simulation; MDO; DOE; simulation-driven; design; KBE; knowledge-based; knowledge-based engineering; knowledgeware; kwa; kwe; engineering; mechanical; scania; methodology; method; evaluation; model; modeling; modelling; parametrization; CATIA; vba; automation; da; pdm; plm; knowledge; design intent; exploration; optimization; flexible; robust; morphological; topological;

    Abstract : This report documents a thesis conducted at Scania CV AB in Södertälje, Sweden. The main purpose of the thesis has been to examine and improve upon current practices of parametric CAD-modeling at Scania, with the ultimate goal of increased design automation and simulation-driven design. READ MORE

  5. 5. MDO Framework for Design of Human PoweredPropellers using Multi-Objective Genetic Algorithm

    University essay from Linköpings universitet/Fluida och mekatroniska system

    Author : Nadjib Danial Aevan; [2015]
    Keywords : ;

    Abstract : This thesis showcases the challenges, downsides and advantages to building a MultiDisciplinary Optimization (MDO) framework to automate the generation of an efficientpropeller design built for lightly loaded operation, more specifically for humanpowered aircrafts. Two years ago, a human powered aircraft project was initiatedat Linköping University. READ MORE