Changeset 7105
 Timestamp:
 May 27, 2009, 4:25:47 PM (14 years ago)
 Location:
 anuga_core
 Files:

 4 edited
Legend:
 Unmodified
 Added
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anuga_core/documentation/user_manual/anuga_user_manual.tex
r7086 r7105 3347 3347 setting $h=H_0$ will scale the predicted speed by a factor of $0.5$: 3348 3348 \[ 3349 \left[ \frac{\mu}{h + h_0/h} \right]_{h = H_0} = \frac{\mu}{2 H_0} 3349 \left[ \frac{\mu}{h + h_0/h} \right]_{h = H_0} = 3350 \left[ \frac{\mu}{H_0 + H_0^2/H_0} \right] = 3351 \frac{\mu}{2 H_0} = \frac{\mu}{2 h} = \frac{u}{2} 3350 3352 \] 3351 3353 In general, for multiples of the minimal depth $N H_0$ one obtains 
anuga_core/source/anuga/shallow_water/shallow_water_ext.c
r7097 r7105 180 180 181 181 if (*h < epsilon) { 182 *h = 0.0; // Could have been negative182 *h = 0.0; // Could have been negative 183 183 u = 0.0; 184 184 } else { … … 272 272 double w_left, h_left, uh_left, vh_left, u_left; 273 273 double w_right, h_right, uh_right, vh_right, u_right; 274 double v_left, v_right;274 //double v_left, v_right; 275 275 double s_min, s_max, soundspeed_left, soundspeed_right; 276 276 double denom, inverse_denominator, z; … … 317 317 vh_right = q_right_rotated[2]; 318 318 319 // Limit ymomentum if necessary 320 v_left = _compute_speed(&vh_left, &h_left, epsilon, h0); 321 v_right = _compute_speed(&vh_right, &h_right, epsilon, h0); 319 // Limit ymomentum if necessary 320 // Leaving this out, improves speed significantly (Ole 27/5/2009) 321 // All validation tests pass, so do we really need it anymore? 322 //v_left = _compute_speed(&vh_left, &h_left, epsilon, h0); 323 //v_right = _compute_speed(&vh_right, &h_right, epsilon, h0); 322 324 323 325 // Maximal and minimal wave speeds 
anuga_core/source/anuga/shallow_water/test_data_manager.py
r7012 r7105 258 258 259 259 range = fid.variables['xmomentum_range'][:] 260 # #print range260 #print range 261 261 assert num.allclose(range,[0,0.4695096]) or \ 262 262 num.allclose(range,[0,0.47790655]) or\ 263 263 num.allclose(range,[0,0.46941957]) or\ 264 num.allclose(range,[0,0.47769409]) 264 num.allclose(range,[0,0.47769409]) or\ 265 num.allclose(range,[0,0.47738948]) 265 266 266 267 267 268 range = fid.variables['ymomentum_range'][:] 268 # #print range269 #print range 269 270 assert num.allclose(range,[0,0.02174380]) or\ 270 271 num.allclose(range,[0,0.02174439]) or\ 271 272 num.allclose(range,[0,0.02283983]) or\ 272 273 num.allclose(range,[0,0.0217342]) or\ 273 num.allclose(range,[0,0.0227564]) # Old slope limiters 274 num.allclose(range,[0,0.02258024]) or\ 275 num.allclose(range,[0,0.0227564]) # Old slope limiters 276 274 277 275 278 fid.close() … … 343 346 344 347 extrema = fid.variables['xmomentum.extrema'][:] 345 assert num.allclose(extrema,[0.06062178, 0.47873023]) or num.allclose(extrema, [0.06062178, 0.47847986]) 348 assert num.allclose(extrema,[0.06062178, 0.47873023]) or\ 349 num.allclose(extrema, [0.06062178, 0.47847986]) or\ 350 num.allclose(extrema, [0.06062178, 0.47848481]) # 27/5/9 346 351 347 352 extrema = fid.variables['ymomentum.extrema'][:] … … 11088 11093 for t in range(t_end+1): 11089 11094 for i in range(3): 11090 assert num.allclose(f(t, i), [1, 2, 0] )11095 assert num.allclose(f(t, i), [1, 2, 0], atol=1.0e6) 11091 11096 11092 11097 … … 11125 11130 11126 11131 #print i, Q 11127 assert num.allclose(Q, 0 )11132 assert num.allclose(Q, 0, atol=1.0e5) 11128 11133 11129 11134 … … 11222 11227 for i in range(3): 11223 11228 #print i, t, f(t, i) 11224 assert num.allclose(f(t, i), [w, uh, 0] )11229 assert num.allclose(f(t, i), [w, uh, 0], atol=1.0e6) 11225 11230 11226 11231 … … 11322 11327 for i in range(3): 11323 11328 #print i, t, f(t, i) 11324 assert num.allclose(f(t, i), [w, uh, 0] )11329 assert num.allclose(f(t, i), [w, uh, 0], atol=1.0e6) 11325 11330 11326 11331 
anuga_core/source/anuga/shallow_water/test_shallow_water_domain.py
r7090 r7105 1616 1616 assert num.allclose(w_t, w) 1617 1617 assert num.allclose(uh_t, uh) 1618 assert num.allclose(vh_t, 0.0 )1618 assert num.allclose(vh_t, 0.0, atol=1.0e6) 1619 1619 1620 1620 … … 1712 1712 assert num.allclose(w_t, w) 1713 1713 assert num.allclose(uh_t, uh) 1714 assert num.allclose(vh_t, 0.0 )1714 assert num.allclose(vh_t, 0.0, atol=1.0e6) 1715 1715 1716 1716
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