change units display in plots, add spatial slip event visualization

data/tools/main.py

@@ -21,6 +21,7 @@ from support.io import read_h5file
 
 from support.iterations import iterations
 from support.friction_stats import friction_stats
+from support.slip_rates import slip_rates
 
 def build_patch(coords, percentage):
     x_coords = coords[:, 0]
@@ -53,7 +54,7 @@ params = {
 h5file = read_h5file()
 print(list(h5file.keys()))
 
-interval = [0.75*FINAL_TIME, FINAL_TIME]
+interval = [10, 13] #[0.75*FINAL_TIME, FINAL_TIME]
 
 iterations(h5file, FINAL_TIME, interval)
 
@@ -67,7 +68,8 @@ for body_ID in range(NBODIES):
     patch = build_patch(coords, 1.0)
 
     friction_stats(h5file, body_ID, FINAL_TIME, patch, interval)
-    
+    slip_rates(h5file, body_ID, FINAL_TIME, patch, interval, 0)
+
 plt.show()
 
 h5file.close()
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data/tools/support/friction_stats.py

@@ -31,7 +31,7 @@ def friction_stats(h5file, body_ID, FINAL_TIME, patch=[], interval=[], TANGENTIA
     #ax_slip.plot(time, min_v, color='gray', linestyle='--')
     ax_slip.plot(time, avg_v, color='black', linestyle='-')
     #ax_slip.plot(time, max_v, color='gray', linestyle='--')
-    ax_slip.set_ylabel('slip rate V')
+    ax_slip.set_ylabel('slip rate V [m/s]')
     ax_slip.set_yscale('log')
     ax_slip.set_ylim([1e-6,1e-2])
     #-------------------------
@@ -54,7 +54,7 @@ def friction_stats(h5file, body_ID, FINAL_TIME, patch=[], interval=[], TANGENTIA
     ax_state.plot(time, avg_states, color='black', linestyle='-')
     #ax_state.plot(time, max_states, color='gray', linestyle='--')
     ax_state.set_ylabel('state')
-    ax_state.set_xlabel('time in s')
+    ax_state.set_xlabel('time [s]')
     #-------------------------
 
     # friction coefficient

data/tools/support/iterations.py

@@ -35,7 +35,7 @@ def iterations(h5file, FINAL_TIME, interval = []):
     ax_mg = fig.add_subplot(2, 1, 2)
     ax_mg.plot(time, multigrid_final[t], color='black', linestyle='-')
     ax_mg.set_ylabel('multigrid iter.')
-    ax_mg.set_xlabel('time in s')
+    ax_mg.set_xlabel('time [s]')
     #-------------------------
 
     #ax_tau = fig.add_subplot(3, 1, 3)

data/tools/support/slip_rates.py

+import numpy as np
+import matplotlib.pyplot as plt
+import matplotlib.cm as cm
+
+TANGENTIAL_COORDS = 1
+
+def local_to_global(coords, SORT_COORD=0):
+    return coords[:, SORT_COORD].argsort()
+
+def slip_rates(h5file, body_ID, FINAL_TIME, patch=[], interval=[], SORT_COORD=0):
+    body = 'body' + str(body_ID) # 'frictionalBoundary'     'body' + str(body_ID)
+
+    coords = np.array(h5file[body + '/coordinates'])
+    if len(patch) == 0:
+        patch = np.linspace(0, len(coords)-1, len(coords), endpoint=True, dtype='int8')
+
+    # local to global
+    local_global = local_to_global(coords, SORT_COORD) 
+    local_global = local_global[patch]
+
+    patch_size = coords[local_global[-1], SORT_COORD] - coords[local_global[0], SORT_COORD]
+
+    # read time
+    time = np.array(h5file['relativeTime']) * FINAL_TIME
+    time = np.delete(time, 0)
+    if len(interval) == 0:
+        interval = [0, FINAL_TIME]
+    t = [i for i in range(len(time)) if time[i]>=interval[0] and time[i]<=interval[1]]
+    time = time[t]
+
+    fig = plt.figure()
+
+    # velocity data
+    v = abs(np.array(h5file[body + '/velocity']))
+    v_t = v[t,:,TANGENTIAL_COORDS]
+    v_tx = v_t[:,local_global]
+
+    # plot
+    ax_slip = fig.add_subplot(1, 1, 1)
+    ax_slip.imshow(v_tx, interpolation='nearest', cmap=cm.Greys_r, aspect='auto', origin='lower', extent=[0, patch_size, time[0], time[-1]])
+    #ax_slip.set_ylim([time[-1], time[0]])
+    ax_slip.set_ylabel('time [s]')
+    ax_slip.set_xlabel('horizontal coordinate [m]')
+    #ax_slip.set_yscale('log')
+   # ax_slip.set_ylim([1e-6,1e-2])
+    #-------------------------
+
+    fig.canvas.draw()
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