docs:utils:randomfield
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docs:utils:randomfield [2009/07/08 07:58] gibson |
docs:utils:randomfield [2010/02/02 07:55] (current) |
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| The form of spectral decay chosen is crude, but normally what is needed in a random field is that | The form of spectral decay chosen is crude, but normally what is needed in a random field is that | ||
| - | it meets the BCs and zero-div, is controllably smooth, and excites modes with all symmetries. | + | it meets the BCs and zero-div, is controllably smooth, and excites modes with all symmetries. It would probably be better to work the length scales Lx,Ly,Lz into the exponent of ''(1-smoothness)'', so that the variations in the random field are roughly spatially isotropic. |
docs/utils/randomfield.1247065127.txt.gz · Last modified: 2009/07/08 07:58 by gibson
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