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Literature Review for my Master Thesis
From Equation (68) downwards we find a transformation for the burgers equation into the heat equation.
This would allow us to verify our solutions.
What is it?
How is it carried out into the equations?
References:
See content of 99aa815.
Right now finding a relevant paper and including it in my references database is a slow process.
Making this approach faster could help me digitalize my thoughts on each reading.
Related #11.
Use this paper to see how they check convergence rates for BDF-2.
An Introduction to Fluid-Structure Interaction: Application to the Piston Problem
keywords: moving piston, FSI, ALE, fluid-structure interaction, mass-spring dynamics, one-dimensional fluid flow, finite ele- ments, energy conservations, mesh deformation
Abstract
We introduce improved reduced-order models for turbulent flows. These models are inspired from successful methodologies used in large eddy simulation, such as artificial viscosity, applied to standard models created by proper orthogonal decomposition of flows coupled with Galerkin projection. As a first step in the analysis and testing of our new methodology, we use the Burgers equation with a small diffusion parameter. We present a thorough numerical analysis for the time discretization of the new models. We then test these models in two problems displaying shock-like phenomena. Of course, since the Burgers equation does not model turbulence, we next need to test our new models in realistic turbulent flow settings. This is the subject of a forthcoming report.
What is this?
Why is it relevant?
It seems to relate the ability to reproduce unsteady constant solutions in moving domains.
In other words: how we discretize the deformation of the domain, is it exact, or does it act like a source or sink?
The following transient problem:
u_t - 0.01 \Delta u = 0
u_0 = 1
u_D = 1
should remain u(x,t) = 1 if the discretisation does not introduce any time-marching errors.
P L Sachdev - Nonlinear diffusive waves-Cambridge University Press (1987).pdf
Define implementation details for lifting function term.
Extensive document to hold the implementation details.
A subset of sections and paragraphs from such document should actually be the Thesis manuscript.
Motivation
From working at ETS, I have realized that it is healthy to have a place where the equations in their long form, or important details, are centralized.
As projects grow, it is easy to lose sight or memory of important stuff.
Then, the final thesis document should be a cut-out version of this document.
Using the technology introduced by subfiles, I want to set up a master document where I can keep track of all the details and then simply compile certain sections together to get a brief thesis manuscript.
The idea is that I have master document where I dump everything, so that I have a clean a detailed document of my definitions and concerns, but still be able to produce a clean, neat and short thesis document.
quasi-linear-parabolic-aerodynamics.pdf
url: https://www.jstor.org/stable/43633894
keywords:
@article{10.2307/43633894,
ISSN = {0033569X, 15524485},
URL = {http://www.jstor.org/stable/43633894},
author = {JULIAN D. COLE},
journal = {Quarterly of Applied Mathematics},
number = {3},
pages = {225--236},
publisher = {Brown University},
title = {ON A QUASI-LINEAR PARABOLIC EQUATION OCCURRING IN AERODYNAMICS},
volume = {9},
year = {1951}
}
Very nice explanation of the meaning of the Burgers equation.
OnSomeApproximateExactSolutionsBoundaryValueProblemsBurgersEquation.pdf
Keywords: moving piston, burgers equation
Contains analytical works and approximation of solutions.
The moving piston they consider is placed at x=0
, and the domain is infinite, so the waves propagate on both directions and never interact.
This could be a good departing point, my domain is finite but I would be setting an outflow condition.
A TABLE OF SOLUTIONS OF THE ONE-DIMENSIONAL BURGERS EQUATION
Literature survey
Piston references: 2, 34, 52, 65
Through the jacobian transformation, how can we solve the heat equation in a moving domain using a reference fixed domain.
Lattice Boltzmann method for fluid flow around bodies using volume penalization
Simplified FSI problem: couple burgers' equation with spring-like ODE for boundary motion.
Problem to address: uncentralized knowledge.
YYYY_camelCaseTitle_aAuthor
.POD
, RB
, FEM
, EIM
.References:
Related to #20
Solution of the transport equations using a moving coordinate system.pdf
reference: #33
Explains how solving a PDE in a moving coordinate domain is equivalent to having the boundary conditions change location!
Explain how the lifting is implemented in a 3D setting.
Facts:
Reference: #10
Three points to cover:
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