The Physics of Microdroplets Chapter 3 book cover

This page contains Evolver datafiles for Chapter 3 images. The data files contain evolution scripts (always named "gogo") and scripts for producing EPS files for the book images (always named "run").

The image scripts set the viewing angle with the "view_matrix := ..." command. The particular view matrix used was generated by moving the surface by mouse by hand and then printing out the view matrix with the "print view_matrix" command, and cutting and pasting the result into the "run" command.

  • Fig. 3-3 Small and large drops.
  • Fig. 3-6 High contact angle drop.
  • Fig. 3-10 Top and bottom views.
  • Fig. 3-11 Various contact angles between plates.
  • Fig. 3-15 Different radii for same contact angle and height.
  • Fig. 3-17 Different radii for same asymmetric contact angles.

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Fig. 3-3 Small and large droplets on substrate.

Fig_3_3_a.gif Fig_3_3_b.gif Small droplet illustrating negligible effect of gravity, and large droplet illustrating flattening caused by gravity. Both 90 degree contact angle. Basically the same as the mound.fe example in the Evolver distribution.

Datafiles: Fig_3_3_a.fe, Fig_3_3_b.fe

Fig. 3-6 High contact angle.

Fig_3_6.gif Small droplet with high contact angle. Same datafile as figure 3-3, but with 120 degree contact angle.

Datafile: Fig_3_6.fe

Fig. 3-10 Top and bottom views.

Fig_3_10_a.gif Fig_3_10_b.gif Same as figure 3-6, just changed viewpoints. But explicit yellow contact facets are added, so they are visible in the second image. The contact angle is implemented by tension on the contact facets, rather than by contact line constraint energy integrand. The substrate facets are set to color "clear", so you can see through them, but the substrate edges are still visible to give context.

Datafile: Fig_3_10.fe

Fig. 3-11 Various droplets between plates.

Fig_3_11_a.gif Fig_3_11_b.gif Adding a second level-set constraint on top, with its own contact angle. Implemented with explicit contact facets, for the images.

Datafiles: Fig_3_11_a.fe Fig_3_11_b.fe Fig_3_11_c.fe Fig_3_11_d.fe

Fig_3_11_c.gif Fig_3_11_d.gif

Fig. 3-15 Different radii for same contact angle and height.

Fig_3_15_a.gif Fig_3_15_b.gif

Datafiles: Fig_3_15_a.fe, Fig_3_15_b.fe

Fig. 3-17 Different radii for same contact angle and height.

Fig_3_17_a.gif Fig_3_17_b.gif

Datafiles: Fig_3_17_a.fe, Fig_3_17_b.fe

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