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#1 |
New Member
Natasha
Join Date: Jan 2020
Posts: 7
Rep Power: 6 ![]() |
Hi,
I'd like to know if there are softwares that can simulate just convection(no diffusion) in a 1D flow |
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#2 |
New Member
Sen Wang
Join Date: Jul 2018
Location: Singapore / Notre Dame, U.S.
Posts: 19
Blog Entries: 1
Rep Power: 8 ![]() |
Hi Natasha,
What do you mean exactly by 1D flow? Are you solving for u(x, t) or u(x, y, z, t)? For the former case, you can simply hand code the solver (you can refer to https://lorenabarba.com/blog/cfd-pyt...navier-stokes/). For the latter case, you probably mean a pipe flow, doubly wall-bounded flow or a boundary layer flow, for that case, you can either use common CFD softwares (e.g. fluent, openfoam) with a 2D case, or refer to the link above as well. Also depending on your domain size and Reynolds number, you might also need to consider what types of turbulence model you are using. Hope this helps. |
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#3 |
Member
C. Ziyad
Join Date: Oct 2010
Posts: 37
Rep Power: 15 ![]() |
Hi,
In addition... The convection is modeled using the convective operator, for the Cartesian coordinates it's the x, y, z derivatives. The advection equation is the simplest case that you can try your knowledge on. In this link you can find an example of numerical solution using finite difference. https://espacephysiquesup.blogspot.c...uation-de.html |
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#4 |
Senior Member
Lucky
Join Date: Apr 2011
Location: Orlando, FL USA
Posts: 5,728
Rep Power: 66 ![]() ![]() ![]() |
A lot of programming software have builtin pde solvers that can handle advection problems. Anything with an RK4/RK4-5 can do it as well. Matlab for example.
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#5 |
Senior Member
Svetlana Tkachenko
Join Date: Oct 2013
Location: Australia, Sydney
Posts: 415
Rep Power: 14 ![]() |
Matlab - or the free gnu octave which does the same
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Tags |
comsol., convection., pdes |
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