"""Create mesh for lwru2 validation of the Oshiri island tsunami """ #!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! # Assume that the root AnuGA dir is included in your pythonpath #!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! from anuga.pmesh.mesh import * from anuga.coordinate_transforms.geo_reference import Geo_reference #------------------------------------------------------------- if __name__ == "__main__": #Basic geometry xleft = 0 xright = 5.448 ybottom = 0 ytop = 3.402 #Outline point_sw = [xleft, ybottom] point_se = [xright, ybottom] point_nw = [xleft, ytop] point_ne = [xright, ytop] #Midway points (left) point_mtop = [xleft + (xright-xleft)/3+1, ytop] point_mbottom = [xleft + (xright-xleft)/3+1, ybottom] geo = Geo_reference(xllcorner = xleft, yllcorner = ybottom) print "***********************" print "geo ref", geo print "***********************" m = Mesh(geo_reference=geo) #Boundary dict = {} dict['points'] = [point_se, #se point_ne, point_mtop, point_nw, point_sw, point_mbottom] dict['segments'] = [[0,1], [1,2], [2,3], [3,4], [4,5], [5,0], #The outer border [2,5]] #Separator dict['segment_tags'] = ['wall', 'wall', 'wall', 'wave', 'wall', 'wall', ''] #Interior m.addVertsSegs(dict) #Localised refined area for gulleys dict = {} xl = 4.8 xr = 5.3 yb = 1.6 yt = 2.3 p0 = [xl, yb] p1 = [xr, yb] p2 = [xr, yt] p3 = [xl, yt] dict['points'] = [p0, p1, p2, p3] dict['segments'] = [[0,1], [1,2], [2,3], [3,0]] dict['segment_tags'] = ['', '', '', ''] m.addVertsSegs(dict) #Island area island_0 = [xleft + 2*(xright-xleft)/3+1.2, ytop-0.5] island_1 = [xleft + 2*(xright-xleft)/3+0.5, ybottom + 2*(ytop-ybottom)/3] island_2 = [xleft + (xright-xleft)/2+0.3, ybottom + 2*(ytop-ybottom)/3-0.3] island_3 = [xleft + (xright-xleft)/2+0.3, ybottom + (ytop-ybottom)/3+0.3] island_4 = [xleft + 2*(xright-xleft)/3+0.4, ybottom + (ytop-ybottom)/3-0.3] island_5 = [xleft + 2*(xright-xleft)/3+1.2, ybottom+0.2] island_6 = [xl-.01, yb] #OK island_7 = [xl-.01, yt] #OK dict['points'] = [island_0, island_1, island_2, island_3, island_4, island_5, #p0, p3] island_6, island_7] dict['segments'] = [[0,1], [1,2], [2,3], [3,4], [4,5], [5,6], [6,7], [7,0]] dict['segment_tags'] = ['', '', '', '', '', '', '', ''] m.addVertsSegs(dict) #res_1 #base_resolution = 1 #ocean = m.addRegionEN(xleft+.1, ybottom+.1) #ocean.setMaxArea(0.1*base_resolution) #mid = m.addRegionEN(point_mbottom[0]+.1, ybottom+.1) #mid.setMaxArea(0.0005*base_resolution) #inner = m.addRegionEN(island_3[0]+.1, island_3[1]+.1) #inner.setMaxArea(0.00007*base_resolution) #res_2 (try to improve by adding gulleys back in at a coarser res but coarsen inner and mid - this was OK) #base_resolution = 1 #ocean = m.addRegionEN(xleft+.1, ybottom+.1) #ocean.setMaxArea(0.1*base_resolution) #mid = m.addRegionEN(point_mbottom[0]+.1, ybottom+.1) #mid.setMaxArea(0.001*base_resolution) #inner = m.addRegionEN(island_3[0]+.1, island_3[1]+.1) #inner.setMaxArea(0.0001*base_resolution) #gulleys = m.addRegionEN(p0[0]+0.1, p0[1]+0.1) ##gulleys.setMaxArea(0.00002*base_resolution) #gulleys.setMaxArea(0.0005*base_resolution) #res_3 (Coarsen a bit more: mid and inner - shoulders got rounded. Lost one reflection) #base_resolution = 1 #ocean = m.addRegionEN(xleft+.1, ybottom+.1) #ocean.setMaxArea(0.1*base_resolution) #mid = m.addRegionEN(point_mbottom[0]+.1, ybottom+.1) #mid.setMaxArea(0.01*base_resolution) #inner = m.addRegionEN(island_3[0]+.1, island_3[1]+.1) #inner.setMaxArea(0.0002*base_resolution) #gulleys = m.addRegionEN(p0[0]+0.1, p0[1]+0.1) #gulleys.setMaxArea(0.0005*base_resolution) #res_4 (Refined inner again - still rounded. Need mid to be finer) #base_resolution = 1 #ocean = m.addRegionEN(xleft+.1, ybottom+.1) #ocean.setMaxArea(0.1*base_resolution) #mid = m.addRegionEN(point_mbottom[0]+.1, ybottom+.1) #mid.setMaxArea(0.01*base_resolution) #inner = m.addRegionEN(island_3[0]+.1, island_3[1]+.1) #inner.setMaxArea(0.0001*base_resolution) #gulleys = m.addRegionEN(p0[0]+0.1, p0[1]+0.1) #gulleys.setMaxArea(0.0005*base_resolution) #res_5 (Refined mid again - coarsened inner 5 times - this almost OK) #base_resolution = 1 #ocean = m.addRegionEN(xleft+.1, ybottom+.1) #ocean.setMaxArea(0.1*base_resolution) #mid = m.addRegionEN(point_mbottom[0]+.1, ybottom+.1) #mid.setMaxArea(0.001*base_resolution) #inner = m.addRegionEN(island_3[0]+.1, island_3[1]+.1) #inner.setMaxArea(0.0005*base_resolution) #gulleys = m.addRegionEN(p0[0]+0.1, p0[1]+0.1) #gulleys.setMaxArea(0.0005*base_resolution) #res_6 (Like 5 but with inner a little finer, ocean and mid a bit coarser - no worse than 5) #base_resolution = 1 #ocean = m.addRegionEN(xleft+.1, ybottom+.1) #ocean.setMaxArea(0.2*base_resolution) #mid = m.addRegionEN(point_mbottom[0]+.1, ybottom+.1) #mid.setMaxArea(0.002*base_resolution) #inner = m.addRegionEN(island_3[0]+.1, island_3[1]+.1) #inner.setMaxArea(0.0004*base_resolution) #gulleys = m.addRegionEN(p0[0]+0.1, p0[1]+0.1) #gulleys.setMaxArea(0.0005*base_resolution) #res_7 (Like 6 but with everything coarsened a tad - #a bit smoothed but still OK) base_resolution = 1 ocean = m.addRegionEN(xleft+.1, ybottom+.1) ocean.setMaxArea(0.3*base_resolution) mid = m.addRegionEN(point_mbottom[0]+.1, ybottom+.1) mid.setMaxArea(0.003*base_resolution) inner = m.addRegionEN(island_3[0]+.1, island_3[1]+.1) inner.setMaxArea(0.0007*base_resolution) gulleys = m.addRegionEN(p0[0]+0.1, p0[1]+0.1) gulleys.setMaxArea(0.0007*base_resolution) m.generateMesh('pzq28.0za1000000a') import project m.export_mesh_file(project.working_dir + project.mesh_filename)