INOUT_FLOW_MOVIE
Flow Animation for the INOUT Cell

INOUT_FLOW_MOVIE is a set of routines for creating an animation of the velocity solutions to a time-dependent incompressible parameterized flow problem in a cell with inflow and outflow.

The "INOUT" region is contained in the unit square, [0,1] x [0,1]. There is an inlet on the left side, from [0,0] to [0,0.2], and an outlet on the right side, from [1,0.8] to [1.0,1.0].

       +-----------------------+
       |+----------------------+
       ||                    --->
       ||                    ----->
       ||                    --->
       ||                     ++
       ||                     ||
       ||                     ||
       ||                     ||
       ||                     ||
       ++                     ||
      --->                    ||
      ----->                  ||
      --->                    ||
       +----------------------+|
       +-----------------------+
      

Related Data and Programs:

FREE_FEM_NAVIER_STOKES is a MATLAB program for solving the steady incompressible Navier Stokes equations on an arbitrary triangulated region, using the finite element method.

INOUT is an executable FORTRAN77 program which computes flow solutions in the INOUT region.

INOUT_FLOW is a dataset directory which includes the raw solution data that is animated by INOUT_FLOW_MOVIE.

INOUT_FLOW_DISPLAY is a MATLAB program which can display a single flow field solution in the INOUT region.

The animation is in a separate directory, the MP4 directory.

VELOCITY_ARROWS_GRID is a MATLAB program which reads files of node and velocity data, and, using interpolation, creates a vector plot with arrows place on a uniform grid of the user's specification.

Source Code:

• inout_flow_png.m, is a MATLAB M script file which reads EACH velocity file, displaying the normalized or unnormalized field, and making a PNG file of each image for assembly into an animation.
• inout_flow_movie.m, is a MATLAB M script file which can read the XY coordinate file and all the time dependent velocity files, and create an animation. It displays either the velocity or direction field, depending on the internal value of the logical parameter normalized. To keep this script happy, the "#" comment lines were removed from the XY file.
• file_name_inc.m, generates the next filename in a series.
• thin_index.m, is a MATLAB M file used by INOUT_FLOW_MOVIE, which "thins out" the data. Otherwise, there are too many little arrows to see anything.

You can go up one level to the MATLAB source code directory.