Merge branch 'master' of https://gitlab.onelab.info/gmsh/fwi

input/ZP2018Marmousi2D/common.txt

@@ -4,8 +4,8 @@ configuration = soil
 #
 xoffset = 0
 Ler = 8.872
-nr = 91
-ne = 91
+nr = 123
+ne = 123
 ymax = 0.16
 L = 9.192
 H = 2.904
@@ -24,15 +24,7 @@ equation = helmholtz
 wave_IntegrationType = Gauss
 wave_FunctionSpaceType = HierarchicalH1
 #
-n_freq = 3
+n_freq = 1
 #Frequency0
 frequency0 = 4.
 wave_FunctionSpaceDegree0 = 2
-#
-#Frequency1
-frequency1 = 6.
-wave_FunctionSpaceDegree1 = 2
-#
-#Frequency2
-frequency2 = 8.
-wave_FunctionSpaceDegree2 = 3

input/ZP2018Marmousi2D/inversion.txt

@@ -15,7 +15,7 @@ objective = l2distance
 complex = 0
 innerproduct = sobolev
 diag_preconditioner = 1
-ref_preconditioner = 700
+ref_preconditioner = 900
 n_scale0 = 6
 scale00 = 16.0
 scale01 = 9.0
@@ -27,8 +27,6 @@ scale05 = 0.8
 n_group=1
 #Data
 data0 = ZP2018Marmousi2D_data0
-data1 = ZP2018Marmousi2D_data1
-data2 = ZP2018Marmousi2D_data2
 #
 #Discretization
 h = 0.048
@@ -40,7 +38,7 @@ model_FunctionSpaceDegree = 1
 #Minimum search
 minimumsearch = classic
 minimum_maxIteration = 30
-relDecreaseThreshold = 0.01
+relDecreaseThreshold = 0.001
 #
 #Descent search
 descentsearch = gradientdescent

input/ZP2018Marmousi2D/preconditioner.txt

 #Configuration
 unknown = soil
 m0_type = velocity_depth
-Re(v_0) = 1.4
+Re(v_0) = 1.5
 Im(v_0) = 0.
 Re(v_H) = 4.5
 Im(v_H) = 0.