Search for dissertations about: "time-discretization"
Showing result 1 - 5 of 22 swedish dissertations containing the word time-discretization.
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1. Optimized Development Process for Cast Components
Abstract : In developing trucks, cast components of low weight andhigh durability need to be developed and produced. Cast componentsrepresent an estimated 10-15 percent of the total weight of atruck. There is a strong coupling between the production processand the mechanical properties of a cast component such as it'sstrength. READ MORE
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2. Multigrid Preconditioners for the Discontinuous Galerkin Spectral Element Method : Construction and Analysis
Abstract : Discontinuous Galerkin (DG) methods offer a great potential for simulations of turbulent and wall bounded flows with complex geometries since these high-order schemes offer a great potential in handling eddies. Recently, space-time DG methods have become more popular. READ MORE
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3. High Order Finite Difference Methods in Space and Time
Abstract : In this thesis, high order accurate discretization schemes for partial differential equations are investigated. In the first paper, the linearized two-dimensional Navier-Stokes equations are considered. READ MORE
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4. Error Analysis and Smoothing Properties of Discretized Deterministic and Stochastic Parabolic Problems
Abstract : In this thesis we consider smoothing properties and approximation of time derivatives for parabolic equations and error estimates for stochastic parabolic partial differential equations approximated by the finite element method. In the first two papers, we study smoothing properties and approximation of the time derivative in time discretization schemes with constant and variable time steps for an abstract homogeneous linear parabolic problem. READ MORE
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5. Models for capturing the penetration of a diffusant concentration into rubber : Numerical analysis and simulation
Abstract : Understanding the transport of diffusants into rubber plays an important role in forecasting the material's durability. In this regard, we study different models, conduct numerical analysis, and present simulation results that predict the evolution of the penetration front of diffusants. READ MORE