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annotate src/SbpOperators/operators/standard_diagonal.toml @ 877:dd2ab001a7b6 feature/equidistant_grid/refine

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Implement refine function, move exports to the top of the file, change location of constuctors. The constructors were changed have only one inner constructor and simpler outer constructors.
author Jonatan Werpers <jonatan@werpers.com>
date Mon, 14 Feb 2022 09:39:58 +0100
parents fe8fe3f01162
children 61f5850ca456 35be8253de89
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1 [meta]
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2 authors = "Ken Mattson"
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3 description = "Standard operators for equidistant grids"
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4 type = "equidistant"
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5 cite = """
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6 Ken Mattsson, Jan Nordström,
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7 Summation by parts operators for finite difference approximations of second derivatives,
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8 Journal of Computational Physics,
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9 Volume 199, Issue 2,
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10 2004,
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11 Pages 503-540,
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12 ISSN 0021-9991,
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13 https://doi.org/10.1016/j.jcp.2004.03.001.
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14 """
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16 [[stencil_set]]
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17
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18 order = 2
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19
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20 H.inner = "1"
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21 H.closure = ["1/2"]
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22
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23 D1.inner_stencil = ["-1/2", "0", "1/2"]
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24 D1.closure_stencils = [
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25 {s = ["-1", "1"], c = 1},
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26 ]
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27
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28 D2.inner_stencil = ["1", "-2", "1"]
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29 D2.closure_stencils = [
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30 {s = ["1", "-2", "1"], c = 1},
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31 ]
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32
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33 e.closure = ["1"]
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34 d1.closure = {s = ["-3/2", "2", "-1/2"], c = 1}
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35
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36 [[stencil_set]]
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37
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38 order = 4
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39
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40 H.inner = "1"
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41 H.closure = ["17/48", "59/48", "43/48", "49/48"]
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42
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43 D1.inner_stencil = ["1/12","-2/3","0","2/3","-1/12"]
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44 D1.closure_stencils = [
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45 {s = [ "-24/17", "59/34", "-4/17", "-3/34", "0", "0"], c = 1},
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46 {s = [ "-1/2", "0", "1/2", "0", "0", "0"], c = 2},
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47 {s = [ "4/43", "-59/86", "0", "59/86", "-4/43", "0"], c = 3},
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48 {s = [ "3/98", "0", "-59/98", "0", "32/49", "-4/49"], c = 4},
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49 ]
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51 D2.inner_stencil = ["-1/12","4/3","-5/2","4/3","-1/12"]
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52 D2.closure_stencils = [
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53 {s = [ "2", "-5", "4", "-1", "0", "0"], c = 1},
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54 {s = [ "1", "-2", "1", "0", "0", "0"], c = 2},
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55 {s = [ "-4/43", "59/43", "-110/43", "59/43", "-4/43", "0"], c = 3},
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56 {s = [ "-1/49", "0", "59/49", "-118/49", "64/49", "-4/49"], c = 4},
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57 ]
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59 e.closure = ["1"]
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60 d1.closure = {s = ["-11/6", "3", "-3/2", "1/3"], c = 1}