# Precise Simulation

### Precise Simulation

FEATool Multiphysics (https://www.featool.com) is a fully integrated Computer Aided Engineering (CAE), Finite Element Analysis (FEA), and Computational Fluid Dynamics (CFD) MATLAB Toolboxes for modeling and simulation of fully coupled systems of PDEs, physics and engineering applications with the finite element method (FEM). FEATool is completely self contained toolboxes featuring a full suite of functions and subroutines for preprocessing, grid generation, FEA assembly, solvers, postprocessing and visualization.

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**Content Feed**

How can I obtain an array of the xy coordinates for a curve in a picture?

When using FEATool version 1.15.1 and later your can import a bitmap image (jpeg, bmp, or png) and convert it to a two dimension...

3 månader ago | 0

How do I connect OpenFOAM to FEATool?

Unfortunately, OpenFOAM (or any) external solvers can not currently be detected or used with Docker. So for MacOS you would have...

ungefär ett år ago | 1

| accepted

Integrating Simulink with OpenFOAM.

Although I currently don't have a direct example for this, it would technically be possible to do this using the FEATool Multiph...

mer än ett år ago | 0

Problems invoking openfoam utilities throught system-dos-unix functions - Matlab2018b - Ubuntu 18.04

It seems your shell script when run from MATLAB does not find the OpenFOAM executables, in this case the most likely issue is th...

mer än ett år ago | 0

Can I use Matlab/Simulink to replace our current CFD?

As developer of the CFDTool and FEATool Multiphysics MATLAB toolboxes which fully integrate the OpenFOAM and SU2 CFD solvers I w...

mer än ett år ago | 1

Couette Flow Between two Cylinders

Here is a CFD tutorial that might help on how to set up and solve Taylor Couette flow with the CFDTool or FEATool MATLAB toolbox...

nästan 2 år ago | 0

3D Computational Fluid Dynamics in mallab is why so tough?

If you are not restricted to using the PDE toolbox you could possibly use either the CFDTool or FEATool Multiphysics GUI toolbox...

nästan 2 år ago | 1

PDE Simulation of Convection

Although the PDE does not feature pre-defined equations for fluid flow (Navier-Stokes equations), you should be able to define t...

mer än 2 år ago | 0

Can you help me? Does anyone have a FEM code for Singular perturbation problems in 1D?

Although the PDE Toolbox only currently supports 2D and 3D geometries, you should be able to "simulate" a 1D geometry by using a...

mer än 2 år ago | 0

| accepted

FEA Multiphysics - Time dependent parameters

If you refer to the "FEATool Multiphysics" toolbox, then yes, you can simply use the variable name t for time in your boundary e...

mer än 2 år ago | 0

| accepted

Graphical Representation of Shape Functions for a Canonical Quadrilateral Element

Check/compare with a reference implementation for the quadrilateral Q1 FEM shape function. 1. The local coordinates should go f...

mer än 2 år ago | 0

| accepted

mldivide take too much time

You can also try the MUMPS linear solver which is also is up to 30-50% faster than mldivide (Umfpack) in serial mode (and also s...

mer än 2 år ago | 0

Available tools for fluid flow through conical channel

The Mathworks own PDE toolbox should be able to handle 2D incompressible laminar flow, or you can also use the more advanced CFD...

mer än 2 år ago | 1

How to prevent Matlab from immediately running after using system function to call an .sh script?

Not perfect but for the FEATool Multiphysics toolbox a lot of exernal system calls are used, for example for grid and mesh gener...

mer än 2 år ago | 0

What products I got to add to Matlab for work on fluids dynamisc?

Besides the PDE Toolbox, the FEATool Multiphysics and CFDTool MATLAB toolboxes both allow for computational fluid dynamics (CFD)...

ungefär 3 år ago | 1

Any packages for fluid simulation?!

For future reference, the linked tutorial below https://www.featool.com/model-showcase/04_fluid_dynamics_09_swirl_flow1 sh...

mer än 3 år ago | 0

Combine structural and thermal analysis in FEA-Tool

Dear ML, Depending on your problem, you might find the linked example of MATLAB FEA simulation of coupled thermo-mechanical def...

mer än 3 år ago | 0

How to import result data from OpenFOAM to matlab?

Dear Mahendra, If this is still relevant, you can both run OpenFOAM CFD simulations directly in MATLAB and import/export Foam a...

mer än 3 år ago | 1

Calculation of resonant frequencies in empty bottle through FEA

If you can export your geometry as STL CAD file, or alternatively create a Gmsh finite element mesh (from STEP, STL, or IGES for...

mer än 3 år ago | 0

Fluid flow & heat transfer using PDE toolbox

Coupled axisymmetric Matlab CFD and heat transfer problems can relatively easily be set up and solved with the FEATool Multiphys...

nästan 4 år ago | 2

How can we save transient CFD results in a file during running the code?

It is hard to say what the best approch is without knowing anything about your code, but assuming you have access to the data wh...

nästan 4 år ago | 0

What tools and workflows are available for solving differential equations in MATLAB 8.0 (R2012b)?

For reference and add an update to the last point, hyperbolic and general PDE type problems can now be solved with the FEATool M...

nästan 4 år ago | 0

How to set and use parfor loop calling ANSYS to do finite element analysis ?

Maybe not exactly what you are looking for, but you can use xargs (on linux) to perform system calls in parallel. The linked exa...

mer än 4 år ago | 0

How to import variables from my script to a FEATool.

It is not quite clear what exactly you are trying to do. If you have an external Matlab m-script or function, you can use it as ...

mer än 4 år ago | 2

System of PDEs which is tricky for PDEPE

Systems of PDEs might also be easier to solve with the FEATool FEM Toolbox which features a GUI and easy syntax for defining cus...

mer än 4 år ago | 0

Accelerating PDE-Solving with Parallel Computing Toolbox

If you are thinking about doing parametric studies (multiple simulation runs with different parameters or geometry/mesh variatio...

mer än 4 år ago | 1

Combining 3D geometries pde toolbox

The current version of PDE Toolbox does not support built-in 3D geometry and CAD tools, you would have to use an external CAD pr...

mer än 4 år ago | 0

How do i write the code for navierstokes equation in matlab/comsol?

The incompressible Navier-Stokes equations is also available as a built-in <http://www.featool.com/doc/physics.html#phys_ns pre-...

mer än 4 år ago | 1

How to extract slice of 3D PDE solution into a matrix? Works with slice to plot, but want the actual date

The slice is a graphics handle object which you can extract the data from, for example (use _get(h)_ to see what data is availab...

nästan 5 år ago | 0

Best toolboxes for my needs?

For FEA, FEM, and CFD simulations the <https://www.mathworks.com/products/pde.html PDE Toolbox> or <https://www.featool.com FEAT...

nästan 5 år ago | 0