[2424] | 1 | """Create mesh for lwru2 validation of the Oshiri island tsunami |
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| 2 | """ |
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| 3 | |
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| 4 | #!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
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| 5 | # Assume that the root AnuGA dir is included in your pythonpath |
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| 6 | #!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
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| 7 | |
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| 8 | from pmesh.mesh import * |
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| 9 | from coordinate_transforms.geo_reference import Geo_reference |
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| 10 | |
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| 11 | #------------------------------------------------------------- |
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| 12 | if __name__ == "__main__": |
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| 13 | |
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| 14 | |
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| 15 | #Basic geometry |
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| 16 | |
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| 17 | xleft = 0 |
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| 18 | xright = 5.448 |
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| 19 | ybottom = 0 |
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| 20 | ytop = 3.402 |
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| 21 | |
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| 22 | #Outline |
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| 23 | point_sw = [xleft, ybottom] |
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| 24 | point_se = [xright, ybottom] |
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| 25 | point_nw = [xleft, ytop] |
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| 26 | point_ne = [xright, ytop] |
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| 27 | |
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| 28 | #Midway points (left) |
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| 29 | point_mtop = [xleft + (xright-xleft)/3+1, ytop] |
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| 30 | point_mbottom = [xleft + (xright-xleft)/3+1, ybottom] |
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| 31 | |
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| 32 | |
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| 33 | geo = Geo_reference(xllcorner = xleft, |
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| 34 | yllcorner = ybottom) |
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| 35 | |
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| 36 | |
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| 37 | print "***********************" |
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| 38 | print "geo ref", geo |
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| 39 | print "***********************" |
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| 40 | |
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| 41 | m = Mesh(geo_reference=geo) |
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| 42 | |
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| 43 | #Boundary |
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| 44 | dict = {} |
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| 45 | dict['points'] = [point_se, #se |
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| 46 | point_ne, |
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| 47 | point_mtop, |
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| 48 | point_nw, |
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| 49 | point_sw, |
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| 50 | point_mbottom] |
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| 51 | |
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| 52 | |
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| 53 | dict['segments'] = [[0,1], [1,2], [2,3], [3,4], |
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| 54 | [4,5], [5,0], #The outer border |
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| 55 | [2,5]] #Separator |
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| 56 | |
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| 57 | dict['segment_tags'] = ['wall', |
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| 58 | 'wall', |
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| 59 | 'wall', |
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| 60 | 'wave', |
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| 61 | 'wall', |
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| 62 | 'wall', |
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| 63 | ''] #Interior |
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| 64 | |
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| 65 | |
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| 66 | m.addVertsSegs(dict) |
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| 67 | |
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| 68 | |
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| 69 | |
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| 70 | |
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| 71 | |
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| 72 | #Localised refined area for gulleys |
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| 73 | dict = {} |
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| 74 | xl = 4.8 |
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| 75 | xr = 5.3 |
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| 76 | yb = 1.6 |
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| 77 | yt = 2.3 |
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| 78 | p0 = [xl, yb] |
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| 79 | p1 = [xr, yb] |
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| 80 | p2 = [xr, yt] |
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| 81 | p3 = [xl, yt] |
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| 82 | |
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| 83 | dict['points'] = [p0, p1, p2, p3] |
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| 84 | dict['segments'] = [[0,1], [1,2], [2,3], [3,0]] |
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| 85 | dict['segment_tags'] = ['', '', '', ''] |
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| 86 | m.addVertsSegs(dict) |
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| 87 | |
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| 88 | #Island area |
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| 89 | island_0 = [xleft + 2*(xright-xleft)/3+1.2, ytop-0.5] |
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| 90 | island_1 = [xleft + 2*(xright-xleft)/3+0.5, ybottom + 2*(ytop-ybottom)/3] |
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| 91 | island_2 = [xleft + (xright-xleft)/2+0.3, ybottom + 2*(ytop-ybottom)/3-0.3] |
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| 92 | island_3 = [xleft + (xright-xleft)/2+0.3, ybottom + (ytop-ybottom)/3+0.3] |
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| 93 | island_4 = [xleft + 2*(xright-xleft)/3+0.4, ybottom + (ytop-ybottom)/3-0.3] |
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| 94 | island_5 = [xleft + 2*(xright-xleft)/3+1.2, ybottom+0.2] |
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| 95 | island_6 = [xl-.01, yb] #OK |
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| 96 | island_7 = [xl-.01, yt] #OK |
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| 97 | |
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| 98 | |
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| 99 | dict['points'] = [island_0, island_1, island_2, |
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| 100 | island_3, island_4, island_5, |
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| 101 | #p0, p3] |
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| 102 | island_6, island_7] |
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| 103 | |
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| 104 | |
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| 105 | dict['segments'] = [[0,1], [1,2], [2,3], [3,4], |
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| 106 | [4,5], [5,6], [6,7], [7,0]] |
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| 107 | |
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| 108 | dict['segment_tags'] = ['', '', '', '', '', '', '', ''] |
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| 109 | |
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| 110 | |
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| 111 | m.addVertsSegs(dict) |
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| 112 | |
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| 113 | |
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[2433] | 114 | #res_1 |
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| 115 | #base_resolution = 1 |
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| 116 | #ocean = m.addRegionEN(xleft+.1, ybottom+.1) |
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| 117 | #ocean.setMaxArea(0.1*base_resolution) |
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| 118 | #mid = m.addRegionEN(point_mbottom[0]+.1, ybottom+.1) |
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| 119 | #mid.setMaxArea(0.0005*base_resolution) |
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| 120 | #inner = m.addRegionEN(island_3[0]+.1, island_3[1]+.1) |
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| 121 | #inner.setMaxArea(0.00007*base_resolution) |
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[2424] | 122 | |
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[2433] | 123 | #res_2 (try to improve by adding gulleys back in at a coarser res but coarsen inner and mid - this was OK) |
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| 124 | #base_resolution = 1 |
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| 125 | #ocean = m.addRegionEN(xleft+.1, ybottom+.1) |
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| 126 | #ocean.setMaxArea(0.1*base_resolution) |
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| 127 | #mid = m.addRegionEN(point_mbottom[0]+.1, ybottom+.1) |
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| 128 | #mid.setMaxArea(0.001*base_resolution) |
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| 129 | #inner = m.addRegionEN(island_3[0]+.1, island_3[1]+.1) |
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| 130 | #inner.setMaxArea(0.0001*base_resolution) |
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| 131 | #gulleys = m.addRegionEN(p0[0]+0.1, p0[1]+0.1) |
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| 132 | ##gulleys.setMaxArea(0.00002*base_resolution) |
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| 133 | #gulleys.setMaxArea(0.0005*base_resolution) |
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[2424] | 134 | |
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[2433] | 135 | #res_3 (Coarsen a bit more: mid and inner - shoulders got rounded. Lost one reflection) |
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| 136 | #base_resolution = 1 |
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| 137 | #ocean = m.addRegionEN(xleft+.1, ybottom+.1) |
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| 138 | #ocean.setMaxArea(0.1*base_resolution) |
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| 139 | #mid = m.addRegionEN(point_mbottom[0]+.1, ybottom+.1) |
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| 140 | #mid.setMaxArea(0.01*base_resolution) |
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| 141 | #inner = m.addRegionEN(island_3[0]+.1, island_3[1]+.1) |
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| 142 | #inner.setMaxArea(0.0002*base_resolution) |
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| 143 | #gulleys = m.addRegionEN(p0[0]+0.1, p0[1]+0.1) |
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| 144 | #gulleys.setMaxArea(0.0005*base_resolution) |
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[2424] | 145 | |
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[2433] | 146 | #res_4 (Refined inner again - still rounded. Need mid to be finer) |
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| 147 | #base_resolution = 1 |
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| 148 | #ocean = m.addRegionEN(xleft+.1, ybottom+.1) |
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| 149 | #ocean.setMaxArea(0.1*base_resolution) |
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| 150 | #mid = m.addRegionEN(point_mbottom[0]+.1, ybottom+.1) |
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| 151 | #mid.setMaxArea(0.01*base_resolution) |
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| 152 | #inner = m.addRegionEN(island_3[0]+.1, island_3[1]+.1) |
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| 153 | #inner.setMaxArea(0.0001*base_resolution) |
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| 154 | #gulleys = m.addRegionEN(p0[0]+0.1, p0[1]+0.1) |
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| 155 | #gulleys.setMaxArea(0.0005*base_resolution) |
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[2424] | 156 | |
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[2433] | 157 | #res_5 (Refined mid again - coarsened inner 5 times - this almost OK) |
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| 158 | #base_resolution = 1 |
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| 159 | #ocean = m.addRegionEN(xleft+.1, ybottom+.1) |
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| 160 | #ocean.setMaxArea(0.1*base_resolution) |
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| 161 | #mid = m.addRegionEN(point_mbottom[0]+.1, ybottom+.1) |
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| 162 | #mid.setMaxArea(0.001*base_resolution) |
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| 163 | #inner = m.addRegionEN(island_3[0]+.1, island_3[1]+.1) |
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| 164 | #inner.setMaxArea(0.0005*base_resolution) |
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| 165 | #gulleys = m.addRegionEN(p0[0]+0.1, p0[1]+0.1) |
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| 166 | #gulleys.setMaxArea(0.0005*base_resolution) |
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[2424] | 167 | |
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[2433] | 168 | #res_6 (Like 5 but with inner a little finer, ocean and mid a bit coarser - no worse than 5) |
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| 169 | #base_resolution = 1 |
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| 170 | #ocean = m.addRegionEN(xleft+.1, ybottom+.1) |
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| 171 | #ocean.setMaxArea(0.2*base_resolution) |
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| 172 | #mid = m.addRegionEN(point_mbottom[0]+.1, ybottom+.1) |
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| 173 | #mid.setMaxArea(0.002*base_resolution) |
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| 174 | #inner = m.addRegionEN(island_3[0]+.1, island_3[1]+.1) |
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| 175 | #inner.setMaxArea(0.0004*base_resolution) |
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[2424] | 176 | #gulleys = m.addRegionEN(p0[0]+0.1, p0[1]+0.1) |
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[2433] | 177 | #gulleys.setMaxArea(0.0005*base_resolution) |
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| 178 | |
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| 179 | #res_7 (Like 6 but with everything coarsened a tad - |
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| 180 | #a bit smoothed but still OK) |
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| 181 | base_resolution = 1 |
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| 182 | ocean = m.addRegionEN(xleft+.1, ybottom+.1) |
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| 183 | ocean.setMaxArea(0.3*base_resolution) |
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| 184 | mid = m.addRegionEN(point_mbottom[0]+.1, ybottom+.1) |
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| 185 | mid.setMaxArea(0.003*base_resolution) |
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| 186 | inner = m.addRegionEN(island_3[0]+.1, island_3[1]+.1) |
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| 187 | inner.setMaxArea(0.0007*base_resolution) |
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| 188 | gulleys = m.addRegionEN(p0[0]+0.1, p0[1]+0.1) |
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| 189 | gulleys.setMaxArea(0.0007*base_resolution) |
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| 190 | |
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[2424] | 191 | |
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| 192 | m.generateMesh('pzq28.0za1000000a') |
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| 193 | |
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| 194 | import project |
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[2979] | 195 | m.export_mesh_file(project.working_dir + project.mesh_filename) |
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[2424] | 196 | |
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