TU Delft

PhD Thesis

Modeling fouling in spiral wound membrane systems

Andrea I. Radu

 

This page contains animation files of the simulations presented in the PhD thesis "Computational modelling of pattern formation by myxobacteria", by Albertas Janulevicius, as defended on January 15, 2014.

Here is the thesis (to be made available in March 2014):

PhDThesis_A_Janulevicius

Click on images below to download the movies.
For the best viewing experience, we recommend using the latest version of the freely available VLC Player from http://www.videolan.org/vlc/ .

Links to movies per chapter:

Chapter 2    Chapter 3    Chapter 4    Chapter 5    Chapter 6


Chapter 2: 
Cell flexibility affects the alignment of model myxobacteria
 
Movie 2.1
Movement of a cell powered by the distributed engine (B = 1.2x10-23 J m)
MOVIE_2.1.avi
Movie 2.2
Flailing movements of a rear-powered cell (B = 1.2x10-23 J m)
MOVIE_2.2.jpg
Movie 2.3
Flailing movements of a rear-powered cell (B = 3.1x10-24 J m)
MOVIE_2.3.jpg 
Movie 2.4
A collision of two rigid cells (B = 6.1x10-22 J m) with distributed engine 
MOVIE_2.4.jpg 
Movie 2.5
A collision of two flexible cells (B = 7.0x10-25 J m) with distributed engine
MOVIE_2.5.jpg 
Movie 2.6
Movements of 500 rigid (B = 6.1x10-22 J m), mechanically interacting cells with a distributed engine. Cells have random initial positions and orientations within the domain. The size of the domain is 100 µm, cell density in the domain is 5x106 cm-2
MOVIE_2.6.jpg 
Movie 2.7
Movements of 500 rigid (B = 1.2x10-23 J m), mechanically interacting cells with a distributed engine. Cells have random initial positions and orientations within the domain. The size of the domain is 100 µm, cell density in the domain is 5x106 cm-2
MOVIE_2.7.jpg 
Movie 2.8
Movements of 500 rigid (B = 1.2x10-23 J m), mechanically interacting cells with a distributed engine. Initially cells are aligned and have random positions. The size of the domain is 100 µm, cell density in the domain is 5x106 cm-2
MOVIE_2.8.jpg 
Movie 2.9
Movements of 490 densely packed rigid (B = 6.1x10-22 J m), mechanically interacting cells with a distributed engine. Initially cells are aligned. The size of the domain is 35 Ám, cell density in the domain is 4x107 cm-2
MOVIE_2.9.jpg 
Movie 2.10
Movements of 490 densely packed rigid (B = 1.2x10-23 J m), mechanically interacting cells with a distributed engine. Initially cells are aligned. The size of the domain is 35 Ám, cell density in the domain is 4x107 cm-2
MOVIE_2.10.jpg 
Chapter 3: 
Restriction of lateral movement facilitates the alignment of model myxobacteria population
 
Movie 3.1
Dynamics of a population of non-restricted flexible (B = 3x10-23 J m) cells
MOVIE_3.1.avi
Movie 3.2
Dynamics of a population of laterally restricted (Fc = 200pN) flexible (B = 3x10-23 J m) cells.
MOVIE_3.2.avi
Movie 3.3
Dynamics of a population of non-restricted rigid (B = 6x10-21 J m) cells
MOVIE_3.3.avi
Movie 3.4
Dynamics of a population of laterally restricted (Fc = 200pN) rigid (B = 6x10-21 J m) cells
MOVIE_3.4.avi
Chapter 4: 
Effect of reversal time on cell movement patterns in model myxobacteria populations
 
Movie 4.1
Movement patterns of non-reversing, flexible cells with hard contacts (kc = 0.01 N/m) in a high-density population
MOVIE_4.1.avi
Movie 4.2
Movement patterns of non-reversing, very rigid cells with hard contacts (kc = 0.01 N/m) in a high-density population
MOVIE_4.2.avi
Movie 4.3
Movement patterns of non-reversing, very rigid cells with soft contacts (kc = 0.002 N/m) in a high-density population
MOVIE_4.3.avi
Movie 4.4
Movement patterns of reversing, very rigid cells with soft contacts (kc = 0.002 N/m) in a high-density population
MOVIE_4.4.avi
Movie 4.5
Movement patterns of non-reversing very rigid cells with kc = 0.005 N/m in a high-density population
MOVIE_4.5.avi
Movie 4.6
Movement patterns of 1000 non-reversing flexible cells in a low density population
MOVIE_4.6.avi
Movie 4.7
Movement patterns of 1000 reversing very rigid cells in a low-density population
MOVIE_4.7.avi
Movie 4.8
Movement patterns of 1000 non-reversing very rigid cells in a low-density population
MOVIE_4.8.avi
Movie 4.9
Movement patterns of 1000 non-reversing extremely rigid cells in a low-density population
MOVIE_4.9.avi
Movie 4.10
Movement patterns of 10000 perfectly rigid cells, TR = 2 min
MOVIE_4.10.avi
Movie 4.11
Movement patterns of 10000 perfectly rigid cells, TR = 5 min
MOVIE_4.11.avi
Movie 4.12
Movement patterns of 10000 perfectly rigid cells, TR = 10 min
MOVIE_4.12.avi
Movie 4.13
Movement patterns of 10000 perfectly rigid cells, TR = 15 min
MOVIE_4.13.avi
Movie 4.14
Movement patterns of 10000 perfectly rigid cells, TR = 20 min
MOVIE_4.14.avi
Movie 4.15
Movement patterns of 10000 perfectly rigid cells, TR = 100 min
MOVIE_4.15.avi
Movie 4.16
Movement patterns of 10000 perfectly rigid cells, TR =
MOVIE_4.16.avi
Chapter 5: 
Short-range guiding can result in the formation of circular aggregates in myxobacteria populations
 
Movie 5.1
A population of non-guided flexible cells
MOVIE_5.1.avi
Movie 5.2
A population of flexible cells with steering (passive following)
MOVIE_5.2.avi
Movie 5.3
A population of flexible cells with active following
MOVIE_5.3.avi
Movie 5.4
A population of flexible cells with head-to-tail adhesion
MOVIE_5.4.avi
Movie 5.5
A population of flexible cells with active following (Fgmax=100pN)
MOVIE_5.5.avi
Movie 5.9
A population of very flexible cells with active following
MOVIE_5.9.avi
Movie 5.11
A population of very rigid cells with active following
MOVIE_5.11.avi
Movie 5.13
Strain energy of flexible cells due to cell overlap (colorbar, J)
MOVIE_5.13.avi
Movie 5.17
A population of rigid cells with active following, initially spirally arranged
MOVIE_5.17.avi
Movie 5.18
A population of flexible cells with active following, initially spirally arranged
MOVIE_5.18.avi
Movie 5.21
High-density population of non-guided flexible cells
MOVIE_5.21.avi
Movie 5.23
High-density population of non-guided very rigid cells
MOVIE_5.23.avi
Movie 5.25
A dense population of flexible cells with active following
MOVIE_5.25.avi
Movie 5.27
High-density population of very rigid cells with active following
MOVIE_5.27.avi
Movie 5.33
A population of reversing flexible cells with active following and reversal suppression
MOVIE_5.33.avi
Chapter 6: 
Three-dimensional pattern formation by model myxobacteria
 
Movie 6.1
Low density 3D population of non-guided, non-reversing very rigid cells
MOVIE_6.1.avi
Movie 6.2
Low density 3D population of actively guided (case b, Fgmax=200pN), nonreversing very flexible cells
MOVIE_6.2.avi
Movie 6.3
Low density 3D population of actively guided (case b, Fgmax=200pN), nonreversing flexible cells
MOVIE_6.3.avi
Movie 6.4
The population of very rigid, actively guided cells (Fgmax=200pN), initially spirally arranged
MOVIE_6.4.avi
Movie 6.5
The population of rigid, actively guided cells (Fgmax=200pN), initially spirally arranged
MOVIE_6.5.avi
Movie 6.6
The population of flexible, actively guided cells (Fgmax=200pN), initially spirally arranged
MOVIE_6.6.avi
Movie 6.7
The population of very flexible, actively guided cells (Fgmax=200pN), initially spirally arranged
MOVIE_6.7.avi
Movie 6.8
The population of very rigid, actively guided cells (Fgmax=1000pN), initially spirally arranged
MOVIE_6.8.avi
Movie 6.9
The population of rigid, actively guided cells (Fgmax=1000pN), initially spirally arranged
MOVIE_6.9.avi
Movie 6.10
The population of flexible, actively guided cells (Fgmax=1000pN), initially spirally arranged
MOVIE_6.10.avi
Movie 6.11
The population of very flexible, actively guided cells (Fgmax=1000pN), initially spirally arranged
MOVIE_6.11.avi
Movie 6.12
The high-density 3D population of actively guided very flexible cells (Fgmax=200pN)
MOVIE_6.12.avi
Movie 6.13
The high-density 3D population of actively guided flexible cells (Fgmax=200pN)
MOVIE_6.13.avi



January 8, 2014 - Cristian Picioreanu