annotate +sbp/Upwind.m @ 54:2194cd385419

Euler1d: Fixed russian dissipation. Cleaned up. Added non-working BC.
author Jonatan Werpers <jonatan@werpers.com>
date Wed, 11 Nov 2015 19:21:38 -0800
parents 4f5a65f49035
children c56437d097de
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1 classdef Upwind < sbp.OpSet
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2 properties
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3 norms % Struct containing norm matrices such as H,Q, M
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4 boundary % Struct contanging vectors for boundry point approximations
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5 derivatives % Struct containging differentiation operators
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6 borrowing % Struct with borrowing limits for different norm matrices
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7 m % Number of grid points.
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8 h % Step size
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9 end
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11 methods
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12 function obj = Upwind(m,h,order)
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14 if order == 3
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15 [H, HI, Dp, Dm, e_1, e_m] = sbp.upwind3_3bp(m,h);
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16 elseif order == 4
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17 [H, HI, Dp, Dm, e_1, e_m] = sbp.upwind4(m,h);
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18 elseif order == 6
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19 [H, HI, Dp, Dm, e_1, e_m] = sbp.upwind6(m,h);
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20 elseif order == 8
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21 [H, HI, Dp, Dm, e_1, e_m] = sbp.upwind8(m,h);
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22 else
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23 error('Invalid operator order %d.',order);
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24 end
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25
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26 obj.h = h;
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27 obj.m = m;
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29 obj.norms.H = H;
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30 obj.norms.HI = HI;
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31
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32 obj.boundary.e_1 = e_1;
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33 obj.boundary.e_m = e_m;
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34
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35 obj.derivatives.Dp = Dp;
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36 obj.derivatives.Dm = Dm;
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37 end
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38 end
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39
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40 methods (Static)
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41 function lambda = smallestGrid(obj)
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42 error('Not implmented')
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43 end
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44 end
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45 end
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