| 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 pyvolution.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_ml1 = [xleft + (xright-xleft)/3, ytop] |
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| 30 | point_ml2 = [xleft + (xright-xleft)/3, ybottom] |
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| 31 | |
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| 32 | #Midway points (right) |
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| 33 | point_mr1 = [xleft + 2*(xright-xleft)/3, ytop] |
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| 34 | point_mr2 = [xleft + 2*(xright-xleft)/3, ybottom] |
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| 35 | |
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| 36 | |
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| 37 | geo = Geo_reference(xllcorner = xleft, |
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| 38 | yllcorner = ybottom) |
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| 39 | |
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| 40 | |
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| 41 | print "***********************" |
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| 42 | print "geo ref", geo |
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| 43 | print "***********************" |
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| 44 | |
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| 45 | m = Mesh(geo_reference=geo) |
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| 46 | |
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| 47 | #Boundary |
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| 48 | dict = {} |
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| 49 | dict['points'] = [point_se, #se |
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| 50 | point_ne, |
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| 51 | point_mr1, |
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| 52 | point_ml1, |
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| 53 | point_nw, |
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| 54 | point_sw, |
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| 55 | point_ml2, |
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| 56 | point_mr2] |
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| 57 | |
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| 58 | |
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| 59 | dict['segments'] = [[0,1], [1,2], [2,3], [3,4], |
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| 60 | [4,5], [5,6], [6,7], [7,0], #The outer border |
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| 61 | [2,7], [3,6]] #Separators |
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| 62 | |
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| 63 | dict['segment_tags'] = ['wall', |
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| 64 | 'wall', |
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| 65 | 'wall', |
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| 66 | 'wall', |
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| 67 | 'wave', |
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| 68 | 'wall', |
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| 69 | 'wall', |
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| 70 | 'wall', |
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| 71 | '', #Interior |
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| 72 | ''] #Interior |
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| 73 | |
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| 74 | |
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| 75 | m.addVertsSegs(dict) |
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| 76 | |
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| 77 | |
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| 78 | |
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| 79 | #Localised refined area for gulleys |
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| 80 | dict = {} |
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| 81 | dict['points'] = [ [4.5, 1.8], |
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| 82 | [5.0, 1.8], |
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| 83 | [5.0, 2.5], |
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| 84 | [4.5, 2.5] ] |
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| 85 | |
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| 86 | dict['segments'] = [[0,1], [1,2], [2,3], [3,0]] |
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| 87 | dict['segment_tags'] = ['', '', '', ''] |
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| 88 | m.addVertsSegs(dict) |
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| 89 | |
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| 90 | |
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| 91 | base_resolution = 1 |
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| 92 | |
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| 93 | ocean = m.addRegionEN(xleft+1, ybottom+1) |
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| 94 | ocean.setMaxArea(0.01*base_resolution) |
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| 95 | |
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| 96 | mid = m.addRegionEN(point_ml2[0]+1, ybottom+1) |
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| 97 | mid.setMaxArea(0.001*base_resolution) |
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| 98 | |
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| 99 | |
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| 100 | inner = m.addRegionEN(point_mr2[0]+1, ybottom+1) |
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| 101 | inner.setMaxArea(0.0001*base_resolution) |
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| 102 | |
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| 103 | gulleys = m.addRegionEN(dict['points'][0]+0.1, dict['points'][1]+0.1) |
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| 104 | gulleys.setMaxArea(0.00001*base_resolution) |
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| 105 | |
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| 106 | |
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| 107 | m.generateMesh('pzq28.0za1000000a') |
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| 108 | |
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| 109 | import filenames |
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| 110 | m.export_mesh_file(filenames.mesh_filename) |
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| 111 | |
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