Changes between Version 35 and Version 36 of PhysicsDataExplained
- Timestamp:
- 10/10/12 16:55:03 (12 years ago)
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PhysicsDataExplained
v35 v36 103 103 This section gives some brief details on how you can take advantage of cylindrical coordinates if your problem has such symmetry. 104 104 105 * '''''{{{iCylindrical }}}''''' Controls whether astrobear is to use cylindrical coordinates. The default is 0 which leaves everything in Cartesian, 1 is for no angular momentum, and 2 is for with angular momentum.105 * '''''{{{iCylindrical:}}}''''' Controls whether astrobear is to use cylindrical coordinates. The default is 0 which leaves everything in Cartesian, 1 is for no angular momentum, and 2 is for with angular momentum. 106 106 107 107 Basically when iCylindrical is not 0, astrobear changes the differential operators and how each axis is treated. In other words, astrobear switches to cylindrical coordinates. The x-axis becomes the radial axis, the y-axis becomes the cylindrical z-axis, and the z-axis is nothing since this is only implemented for ndim = 2.