Mercurial > repos > public > sbplib
comparison +sbp/+implementations/d2_noneq_variable_6.m @ 1339:bcdb14b05d03 feature/D2_boundary_opt
Fix comment
author | Vidar Stiernström <vidar.stiernstrom@it.uu.se> |
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date | Fri, 22 Jul 2022 16:31:18 +0200 |
parents | 8e9df030a0a5 |
children | b4e5e45bd239 |
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1338:da61892884a4 | 1339:bcdb14b05d03 |
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188 %%%%%%%%%%%%%%%%%%%%%%%%%%% | 188 %%%%%%%%%%%%%%%%%%%%%%%%%%% |
189 | 189 |
190 %%%% Artificial dissipation operator %%% | 190 %%%% Artificial dissipation operator %%% |
191 switch options.AD | 191 switch options.AD |
192 case 'upwind' | 192 case 'upwind' |
193 % This is the choice that yield 3rd order Upwind | 193 % This is the choice that yield 5th order Upwind |
194 DI = H \ (transpose(DD_3) * DD_3) * (-1/60); | 194 DI = H \ (transpose(DD_3) * DD_3) * (-1/60); |
195 case 'op' | 195 case 'op' |
196 % This choice will preserve the order of the underlying | 196 % This choice will preserve the order of the underlying |
197 % Non-dissipative D1 SBP operator | 197 % Non-dissipative D1 SBP operator |
198 DI = H \ (transpose(DD_4) * DD_4) * (-1 / (5 * 60)); | 198 DI = H \ (transpose(DD_4) * DD_4) * (-1 / (5 * 60)); |