Profiles of the topography, with h_max=0.4 and width w=1.
The default fluid depth away from the topography is 1.
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Much to my regret the profider that hosted my webpages for more than 25 years has announced that after 1 July 2026 they end the hosting service. Therefore all my web pages have been moved to another provider, which means the base URL changes from https://josvg.home.xs4all.nl/ to http://www.josvg.dds.nl/. The current page can now be found here. |
The topography, ridges or mountains or so, used on the pages with examples has one of the following profiles:
The full cosine (blue line; like the one sketched on the page about the effect of a bottom topography) is used for:
The half cosine (red line) is used for:
Note
The full cosine topography has smooth derivatives everywhere.
The half cosine has a discontinuity in the derivatives at the
foot of the topography.
Jos van Geffen --
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