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Mat Hunt


UCL

Last seen: 10 Monate vor |  Aktiv seit 2023

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Applied mathematician Professional Interests: fluid dynamics, waves

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Frage


Surf from a numerical array
Suppose I solve a PDE and obtain a solution in 2D say . If I do surf(u) I get a picture of the whole thing. Can I change the val...

12 Monate vor | 2 Antworten | 0

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Frage


Tolerance of ODE15s becomes too small
I want to solve the equations: with boundary conditions , the initial conditions are . I decided to solve this using the fin...

etwa ein Jahr vor | 0 Antworten | 0

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Frage


Lagrangian grid for PDE toolbox
Suppose I am doing some elasticity problem in 2D, and I have a deformable medium. Can I use the MATLAB PDE toolbox to not only f...

etwa ein Jahr vor | 0 Antworten | 0

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Frage


I need to speed up my code
I have code that works perfectly fine, but is very slow. I need to understand how to speed it up. I've run the profiler and ther...

mehr als ein Jahr vor | 0 Antworten | 0

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Beantwortet
Solve 1D Burgers Equation via Semi-Implicit Adams-Bashforth/Crank-Nicolson Scheme
Make sure your vaiue of D*dt/dx^2 isn't too large, ideally, it should be around 1.

mehr als ein Jahr vor | 0

Beantwortet
Using the backward Euler and upwinding to solve the viscous Burgers equation
This issue was the size of b, I reduced this and it worked perfectly. I find this odd as backward Euler is touted to be uncondit...

mehr als ein Jahr vor | 0

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Frage


Using the backward Euler and upwinding to solve the viscous Burgers equation
I wish to solve the following partial differential equation: I have had some success using the backward Euler method for othe...

mehr als ein Jahr vor | 2 Antworten | 0

2

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