[cig-commits] [commit] devel, master: fixed the manual and also comments in the different Par_files about how to choose the time step (911bdcc)

cig_noreply at geodynamics.org cig_noreply at geodynamics.org
Wed Jun 18 15:21:58 PDT 2014


Repository : https://github.com/geodynamics/specfem2d

On branches: devel,master
Link       : https://github.com/geodynamics/specfem2d/compare/fc67e6fd7ad890705b2b72b4b3c509accb22249e...e9ca46c40131588d89d7b0883250bc6584ce6b4c

>---------------------------------------------------------------

commit 911bdcc4777cb4fba149ab47d8058e9923a4986b
Author: Dimitri Komatitsch <komatitsch at lma.cnrs-mrs.fr>
Date:   Mon Oct 22 10:44:32 2012 +0000

    fixed the manual and also comments in the different Par_files about how to choose the time step


>---------------------------------------------------------------

911bdcc4777cb4fba149ab47d8058e9923a4986b
 Abel_Brest/Par_file_Abel_Balanche_bathy_source_solid                  | 2 +-
 Gmsh_example_MPI/Par_file_Gmsh_SqrCircles.in                          | 2 +-
 Gmsh_example_serial/Par_file_Gmsh_SqrCircles.in                       | 2 +-
 INDUSTRIAL_FORMAT/Par_file                                            | 2 +-
 M2_UPPA/Par_file_M2_UPPA                                              | 2 +-
 Rayleigh_wave_no_crack/Par_file_Rayleigh_2D                           | 2 +-
 Rayleigh_wave_with_crack/Par_file_Rayleigh_2D                         | 2 +-
 Tape2007/Par_file_Tape2007_132rec_checker                             | 2 +-
 Tape2007/Par_file_Tape2007_onerec                                     | 2 +-
 Tape2007_kernel/Par_file_Tape2007_onerec                              | 2 +-
 Tromp2005/Par_file_Tromp2005                                          | 2 +-
 Tromp2005/Par_file_Tromp2005_s100                                     | 2 +-
 Tromp2005_kernel/Par_file_Tromp2005                                   | 2 +-
 acoustic_poroelastic/Par_file_acoustic_poroelastic                    | 2 +-
 attenuation/Par_file_attenuation_2D                                   | 2 +-
 canyon/Par_file_canyon                                                | 2 +-
 fluid_solid/fluid_solid_external_mesh/Par_file_fluid_solid            | 2 +-
 .../from_2000_Geophysics_paper_flat_ocean_bottom/Par_file_fluid_solid | 2 +-
 .../Par_file_fluid_solid                                              | 2 +-
 init_plane/Par_file_Slave                                             | 2 +-
 init_plane/Par_file_Slave_for                                         | 2 +-
 init_plane/Par_file_Slave_kernel                                      | 2 +-
 noise_layered/model_0/Par_file_fair                                   | 2 +-
 noise_layered/model_0/Par_file_good                                   | 2 +-
 noise_layered/model_1/Par_file_best                                   | 2 +-
 noise_layered/model_1/Par_file_fair                                   | 2 +-
 noise_layered/model_1/Par_file_good                                   | 2 +-
 noise_layered/model_2/Par_file_fair                                   | 2 +-
 noise_layered/model_2/Par_file_good                                   | 2 +-
 noise_uniform/Par_file_noise_1                                        | 2 +-
 noise_uniform/Par_file_noise_2                                        | 2 +-
 noise_uniform/Par_file_noise_3                                        | 2 +-
 ..._Par_files_to_update_their_format_when_new_parameters_are_added.py | 4 ++--
 salt_dome/Stacey_normal/Par_file                                      | 2 +-
 semi_infinite_homo/Par_file_elastic_2D                                | 2 +-
 35 files changed, 36 insertions(+), 36 deletions(-)

diff --git a/Abel_Brest/Par_file_Abel_Balanche_bathy_source_solid b/Abel_Brest/Par_file_Abel_Balanche_bathy_source_solid
index 7ae86f9..ed424f2 100644
--- a/Abel_Brest/Par_file_Abel_Balanche_bathy_source_solid
+++ b/Abel_Brest/Par_file_Abel_Balanche_bathy_source_solid
@@ -24,7 +24,7 @@ p_sv                            = .true.         # set the type of calculation (
 
 # time step parameters
 nt                              = 3000           # total number of time steps
-deltat                          = 1.d-3          # duration of a time step (for the choice of deltat please refer to section 4.5 of the user manual)
+deltat                          = 1.d-3          # duration of a time step (see section "How to choose the time step" of the manual for how to do this)
 USER_T0                         = 0.0d0          # use this t0 as earliest starting time rather than the automatically calculated one
 time_stepping_scheme            = 1   # 1 = Newmark (2nd order),     2 = LDDRK4-6 (4th-order 6-stage low storage Runge-Kutta),     3 = classical 4th-order 4-stage Runge-Kutta
 
diff --git a/Gmsh_example_MPI/Par_file_Gmsh_SqrCircles.in b/Gmsh_example_MPI/Par_file_Gmsh_SqrCircles.in
index 065c9da..ee84e40 100644
--- a/Gmsh_example_MPI/Par_file_Gmsh_SqrCircles.in
+++ b/Gmsh_example_MPI/Par_file_Gmsh_SqrCircles.in
@@ -25,7 +25,7 @@ p_sv                            = .true.         # set the type of calculation (
 
 # time step parameters
 nt                              = 2400           # total number of time steps
-deltat                          = 5.d-7          # duration of a time step (for the choice of deltat please refer to section 4.5 of the user manual)
+deltat                          = 5.d-7          # duration of a time step (see section "How to choose the time step" of the manual for how to do this)
 USER_T0                         = 0.0d0          # use this t0 as earliest starting time rather than the automatically calculated one
 time_stepping_scheme            = 1   # 1 = Newmark (2nd order),     2 = LDDRK4-6 (4th-order 6-stage low storage Runge-Kutta),     3 = classical 4th-order 4-stage Runge-Kutta
 
diff --git a/Gmsh_example_serial/Par_file_Gmsh_SqrCircles.in b/Gmsh_example_serial/Par_file_Gmsh_SqrCircles.in
index 2b8002d..1403d28 100644
--- a/Gmsh_example_serial/Par_file_Gmsh_SqrCircles.in
+++ b/Gmsh_example_serial/Par_file_Gmsh_SqrCircles.in
@@ -25,7 +25,7 @@ p_sv                            = .true.         # set the type of calculation (
 
 # time step parameters
 nt                              = 2400           # total number of time steps
-deltat                          = 5.d-7          # duration of a time step (for the choice of deltat please refer to section 4.5 of the user manual)
+deltat                          = 5.d-7          # duration of a time step (see section "How to choose the time step" of the manual for how to do this)
 USER_T0                         = 0.0d0          # use this t0 as earliest starting time rather than the automatically calculated one
 time_stepping_scheme            = 1   # 1 = Newmark (2nd order),     2 = LDDRK4-6 (4th-order 6-stage low storage Runge-Kutta),     3 = classical 4th-order 4-stage Runge-Kutta
 
diff --git a/INDUSTRIAL_FORMAT/Par_file b/INDUSTRIAL_FORMAT/Par_file
index 3deec23..50c64ce 100644
--- a/INDUSTRIAL_FORMAT/Par_file
+++ b/INDUSTRIAL_FORMAT/Par_file
@@ -24,7 +24,7 @@ p_sv                            = .true.         # set the type of calculation (
 
 # time step parameters
 nt                              = 10000          # total number of time steps
-deltat                          = 5.d-4          # duration of a time step (for the choice of deltat please refer to section 4.5 of the user manual)
+deltat                          = 5.d-4          # duration of a time step (see section "How to choose the time step" of the manual for how to do this)
 USER_T0                         = 0.0d0          # use this t0 as earliest starting time rather than the automatically calculated one
 time_stepping_scheme            = 1   # 1 = Newmark (2nd order),     2 = LDDRK4-6 (4th-order 6-stage low storage Runge-Kutta),     3 = classical 4th-order 4-stage Runge-Kutta
 
diff --git a/M2_UPPA/Par_file_M2_UPPA b/M2_UPPA/Par_file_M2_UPPA
index fe9b5d5..64238b1 100644
--- a/M2_UPPA/Par_file_M2_UPPA
+++ b/M2_UPPA/Par_file_M2_UPPA
@@ -24,7 +24,7 @@ p_sv                            = .true.         # set the type of calculation (
 
 # time step parameters
 nt                              = 1600           # total number of time steps
-deltat                          = 1.d-3          # duration of a time step (for the choice of deltat please refer to section 4.5 of the user manual)
+deltat                          = 1.d-3          # duration of a time step (see section "How to choose the time step" of the manual for how to do this)
 USER_T0                         = 0.0d0          # use this t0 as earliest starting time rather than the automatically calculated one
 time_stepping_scheme            = 1   # 1 = Newmark (2nd order),     2 = LDDRK4-6 (4th-order 6-stage low storage Runge-Kutta),     3 = classical 4th-order 4-stage Runge-Kutta
 
diff --git a/Rayleigh_wave_no_crack/Par_file_Rayleigh_2D b/Rayleigh_wave_no_crack/Par_file_Rayleigh_2D
index 7e52b96..e01c041 100644
--- a/Rayleigh_wave_no_crack/Par_file_Rayleigh_2D
+++ b/Rayleigh_wave_no_crack/Par_file_Rayleigh_2D
@@ -24,7 +24,7 @@ p_sv                            = .true.         # set the type of calculation (
 
 # time step parameters
 nt                              = 5000           # total number of time steps
-deltat                          = 3.90625e-3     # duration of a time step (for the choice of deltat please refer to section 4.5 of the user manual)
+deltat                          = 3.90625e-3     # duration of a time step (see section "How to choose the time step" of the manual for how to do this)
 USER_T0                         = 0.0d0          # use this t0 as earliest starting time rather than the automatically calculated one
 time_stepping_scheme            = 1   # 1 = Newmark (2nd order),     2 = LDDRK4-6 (4th-order 6-stage low storage Runge-Kutta),     3 = classical 4th-order 4-stage Runge-Kutta
 
diff --git a/Rayleigh_wave_with_crack/Par_file_Rayleigh_2D b/Rayleigh_wave_with_crack/Par_file_Rayleigh_2D
index f804dec..e619cac 100644
--- a/Rayleigh_wave_with_crack/Par_file_Rayleigh_2D
+++ b/Rayleigh_wave_with_crack/Par_file_Rayleigh_2D
@@ -24,7 +24,7 @@ p_sv                            = .true.         # set the type of calculation (
 
 # time step parameters
 nt                              = 5000           # total number of time steps
-deltat                          = 3.90625e-3     # duration of a time step (for the choice of deltat please refer to section 4.5 of the user manual)
+deltat                          = 3.90625e-3     # duration of a time step (see section "How to choose the time step" of the manual for how to do this)
 USER_T0                         = 0.0d0          # use this t0 as earliest starting time rather than the automatically calculated one
 time_stepping_scheme            = 1   # 1 = Newmark (2nd order),     2 = LDDRK4-6 (4th-order 6-stage low storage Runge-Kutta),     3 = classical 4th-order 4-stage Runge-Kutta
 
diff --git a/Tape2007/Par_file_Tape2007_132rec_checker b/Tape2007/Par_file_Tape2007_132rec_checker
index 646fa3d..eace8af 100644
--- a/Tape2007/Par_file_Tape2007_132rec_checker
+++ b/Tape2007/Par_file_Tape2007_132rec_checker
@@ -24,7 +24,7 @@ p_sv                            = .false.        # set the type of calculation (
 
 # time step parameters
 nt                              = 4800           # total number of time steps
-deltat                          = 6.0d-2         # duration of a time step (for the choice of deltat please refer to section 4.5 of the user manual)
+deltat                          = 6.0d-2         # duration of a time step (see section "How to choose the time step" of the manual for how to do this)
 USER_T0                         = 48.0d0         # use this t0 as earliest starting time rather than the automatically calculated one
 time_stepping_scheme            = 1   # 1 = Newmark (2nd order),     2 = LDDRK4-6 (4th-order 6-stage low storage Runge-Kutta),     3 = classical 4th-order 4-stage Runge-Kutta
 
diff --git a/Tape2007/Par_file_Tape2007_onerec b/Tape2007/Par_file_Tape2007_onerec
index 2faaeeb..ae35555 100644
--- a/Tape2007/Par_file_Tape2007_onerec
+++ b/Tape2007/Par_file_Tape2007_onerec
@@ -24,7 +24,7 @@ p_sv                            = .false.        # set the type of calculation (
 
 # time step parameters
 nt                              = 3000           # total number of time steps
-deltat                          = 6.0d-2         # duration of a time step (for the choice of deltat please refer to section 4.5 of the user manual)
+deltat                          = 6.0d-2         # duration of a time step (see section "How to choose the time step" of the manual for how to do this)
 USER_T0                         = 48.0d0         # use this t0 as earliest starting time rather than the automatically calculated one
 time_stepping_scheme            = 1   # 1 = Newmark (2nd order),     2 = LDDRK4-6 (4th-order 6-stage low storage Runge-Kutta),     3 = classical 4th-order 4-stage Runge-Kutta
 
diff --git a/Tape2007_kernel/Par_file_Tape2007_onerec b/Tape2007_kernel/Par_file_Tape2007_onerec
index 3bab0c1..d5ff25e 100644
--- a/Tape2007_kernel/Par_file_Tape2007_onerec
+++ b/Tape2007_kernel/Par_file_Tape2007_onerec
@@ -24,7 +24,7 @@ p_sv                            = .false.        # set the type of calculation (
 
 # time step parameters
 nt                              = 3000           # total number of time steps
-deltat                          = 6.0d-2         # duration of a time step (for the choice of deltat please refer to section 4.5 of the user manual)
+deltat                          = 6.0d-2         # duration of a time step (see section "How to choose the time step" of the manual for how to do this)
 USER_T0                         = 0.0d0          # use this t0 as earliest starting time rather than the automatically calculated one
 time_stepping_scheme            = 1   # 1 = Newmark (2nd order),     2 = LDDRK4-6 (4th-order 6-stage low storage Runge-Kutta),     3 = classical 4th-order 4-stage Runge-Kutta
 
diff --git a/Tromp2005/Par_file_Tromp2005 b/Tromp2005/Par_file_Tromp2005
index f0df889..f900b91 100644
--- a/Tromp2005/Par_file_Tromp2005
+++ b/Tromp2005/Par_file_Tromp2005
@@ -24,7 +24,7 @@ p_sv                            = .false.        # set the type of calculation (
 
 # time step parameters
 nt                              = 3000           # total number of time steps
-deltat                          = 2.0d-2         # duration of a time step (for the choice of deltat please refer to section 4.5 of the user manual)
+deltat                          = 2.0d-2         # duration of a time step (see section "How to choose the time step" of the manual for how to do this)
 USER_T0                         = 8.0d0          # use this t0 as earliest starting time rather than the automatically calculated one
 time_stepping_scheme            = 1   # 1 = Newmark (2nd order),     2 = LDDRK4-6 (4th-order 6-stage low storage Runge-Kutta),     3 = classical 4th-order 4-stage Runge-Kutta
 
diff --git a/Tromp2005/Par_file_Tromp2005_s100 b/Tromp2005/Par_file_Tromp2005_s100
index 01c8bbd..bd21c71 100644
--- a/Tromp2005/Par_file_Tromp2005_s100
+++ b/Tromp2005/Par_file_Tromp2005_s100
@@ -24,7 +24,7 @@ p_sv                            = .true.         # set the type of calculation (
 
 # time step parameters
 nt                              = 3000           # total number of time steps
-deltat                          = 2.0d-4         # duration of a time step (for the choice of deltat please refer to section 4.5 of the user manual)
+deltat                          = 2.0d-4         # duration of a time step (see section "How to choose the time step" of the manual for how to do this)
 USER_T0                         = 8.0d0          # use this t0 as earliest starting time rather than the automatically calculated one
 time_stepping_scheme            = 1   # 1 = Newmark (2nd order),     2 = LDDRK4-6 (4th-order 6-stage low storage Runge-Kutta),     3 = classical 4th-order 4-stage Runge-Kutta
 
diff --git a/Tromp2005_kernel/Par_file_Tromp2005 b/Tromp2005_kernel/Par_file_Tromp2005
index 0c654cd..00c7e4a 100644
--- a/Tromp2005_kernel/Par_file_Tromp2005
+++ b/Tromp2005_kernel/Par_file_Tromp2005
@@ -24,7 +24,7 @@ p_sv                            = .true.         # set the type of calculation (
 
 # time step parameters
 nt                              = 3000           # total number of time steps
-deltat                          = 2.0d-2         # duration of a time step (for the choice of deltat please refer to section 4.5 of the user manual)
+deltat                          = 2.0d-2         # duration of a time step (see section "How to choose the time step" of the manual for how to do this)
 USER_T0                         = 0.0d0          # use this t0 as earliest starting time rather than the automatically calculated one
 time_stepping_scheme            = 1   # 1 = Newmark (2nd order),     2 = LDDRK4-6 (4th-order 6-stage low storage Runge-Kutta),     3 = classical 4th-order 4-stage Runge-Kutta
 
diff --git a/acoustic_poroelastic/Par_file_acoustic_poroelastic b/acoustic_poroelastic/Par_file_acoustic_poroelastic
index bd7f008..741e0cb 100644
--- a/acoustic_poroelastic/Par_file_acoustic_poroelastic
+++ b/acoustic_poroelastic/Par_file_acoustic_poroelastic
@@ -24,7 +24,7 @@ p_sv                            = .true.         # set the type of calculation (
 
 # time step parameters
 nt                              = 2500           # total number of time steps
-deltat                          = 4.d-4         # duration of a time step (for the choice of deltat please refer to section 4.5 of the user manual)
+deltat                          = 4.d-4         # duration of a time step (see section "How to choose the time step" of the manual for how to do this)
 USER_T0                         = 0.0d0          # use this t0 as earliest starting time rather than the automatically calculated one
 time_stepping_scheme            = 2   # 1 = Newmark (2nd order),     2 = LDDRK4-6 (4th-order 6-stage low storage Runge-Kutta),     3 = classical 4th-order 4-stage Runge-Kutta
 
diff --git a/attenuation/Par_file_attenuation_2D b/attenuation/Par_file_attenuation_2D
index 7451b23..51351e2 100644
--- a/attenuation/Par_file_attenuation_2D
+++ b/attenuation/Par_file_attenuation_2D
@@ -24,7 +24,7 @@ p_sv                            = .true.         # set the type of calculation (
 
 # time step parameters
 nt                              = 1400           # total number of time steps
-deltat                          = 1e-3         # duration of a time step (for the choice of deltat please refer to section 4.5 of the user manual)
+deltat                          = 1e-3         # duration of a time step (see section "How to choose the time step" of the manual for how to do this)
 USER_T0                         = 0.0d0          # use this t0 as earliest starting time rather than the automatically calculated one
 time_stepping_scheme            = 2              # 1 = Newmark (2nd order), 2 = LDDRK4-6 (4th-order 6-stage low storage Runge-Kutta), 3 = classical 4th-order 4-stage Runge-Kutta
 
diff --git a/canyon/Par_file_canyon b/canyon/Par_file_canyon
index d656c2b..409f6eb 100644
--- a/canyon/Par_file_canyon
+++ b/canyon/Par_file_canyon
@@ -24,7 +24,7 @@ p_sv                            = .true.         # set the type of calculation (
 
 # time step parameters
 nt                              = 5000           # total number of time steps
-deltat                          = 2.e-3          # duration of a time step (for the choice of deltat please refer to section 4.5 of the user manual)
+deltat                          = 2.e-3          # duration of a time step (see section "How to choose the time step" of the manual for how to do this)
 USER_T0                         = 0.0d0          # use this t0 as earliest starting time rather than the automatically calculated one
 time_stepping_scheme            = 1   # 1 = Newmark (2nd order),     2 = LDDRK4-6 (4th-order 6-stage low storage Runge-Kutta),     3 = classical 4th-order 4-stage Runge-Kutta
 
diff --git a/fluid_solid/fluid_solid_external_mesh/Par_file_fluid_solid b/fluid_solid/fluid_solid_external_mesh/Par_file_fluid_solid
index 1bda086..d32d545 100644
--- a/fluid_solid/fluid_solid_external_mesh/Par_file_fluid_solid
+++ b/fluid_solid/fluid_solid_external_mesh/Par_file_fluid_solid
@@ -24,7 +24,7 @@ p_sv                            = .true.         # set the type of calculation (
 
 # time step parameters
 nt                              = 18000           # total number of time steps
-deltat                          = 0.25d-3          # duration of a time step (for the choice of deltat please refer to section 4.5 of the user manual)
+deltat                          = 0.25d-3          # duration of a time step (see section "How to choose the time step" of the manual for how to do this)
 USER_T0                         = 0.0d0          # use this t0 as earliest starting time rather than the automatically calculated one
 time_stepping_scheme            = 1   # 1 = Newmark (2nd order),     2 = LDDRK4-6 (4th-order 6-stage low storage Runge-Kutta),     3 = classical 4th-order 4-stage Runge-Kutta
 
diff --git a/fluid_solid/from_2000_Geophysics_paper_flat_ocean_bottom/Par_file_fluid_solid b/fluid_solid/from_2000_Geophysics_paper_flat_ocean_bottom/Par_file_fluid_solid
index 44f4c29..7df9a8c 100644
--- a/fluid_solid/from_2000_Geophysics_paper_flat_ocean_bottom/Par_file_fluid_solid
+++ b/fluid_solid/from_2000_Geophysics_paper_flat_ocean_bottom/Par_file_fluid_solid
@@ -24,7 +24,7 @@ p_sv                            = .true.         # set the type of calculation (
 
 # time step parameters
 nt                              = 4500           # total number of time steps
-deltat                          = 0.85d-3        # duration of a time step (for the choice of deltat please refer to section 4.5 of the user manual)
+deltat                          = 0.85d-3        # duration of a time step (see section "How to choose the time step" of the manual for how to do this)
 USER_T0                         = 0.0d0          # use this t0 as earliest starting time rather than the automatically calculated one
 time_stepping_scheme            = 1   # 1 = Newmark (2nd order),     2 = LDDRK4-6 (4th-order 6-stage low storage Runge-Kutta),     3 = classical 4th-order 4-stage Runge-Kutta
 
diff --git a/fluid_solid/from_2000_Geophysics_paper_sinusoidal_ocean_bottom/Par_file_fluid_solid b/fluid_solid/from_2000_Geophysics_paper_sinusoidal_ocean_bottom/Par_file_fluid_solid
index 1683ab0..aa364e1 100644
--- a/fluid_solid/from_2000_Geophysics_paper_sinusoidal_ocean_bottom/Par_file_fluid_solid
+++ b/fluid_solid/from_2000_Geophysics_paper_sinusoidal_ocean_bottom/Par_file_fluid_solid
@@ -24,7 +24,7 @@ p_sv                            = .true.         # set the type of calculation (
 
 # time step parameters
 nt                              = 2000           # total number of time steps
-deltat                          = 0.7d-3        # duration of a time step (for the choice of deltat please refer to section 4.5 of the user manual)
+deltat                          = 0.7d-3        # duration of a time step (see section "How to choose the time step" of the manual for how to do this)
 USER_T0                         = 0.0d0          # use this t0 as earliest starting time rather than the automatically calculated one
 time_stepping_scheme            = 2   # 1 = Newmark (2nd order),     2 = LDDRK4-6 (4th-order 6-stage low storage Runge-Kutta),     3 = classical 4th-order 4-stage Runge-Kutta
 
diff --git a/init_plane/Par_file_Slave b/init_plane/Par_file_Slave
index e4c9abb..c69e926 100644
--- a/init_plane/Par_file_Slave
+++ b/init_plane/Par_file_Slave
@@ -24,7 +24,7 @@ p_sv                            = .true.         # set the type of calculation (
 
 # time step parameters
 nt                              = 6000           # total number of time steps
-deltat                          = 0.01        # duration of a time step (for the choice of deltat please refer to section 4.5 of the user manual)
+deltat                          = 0.01        # duration of a time step (see section "How to choose the time step" of the manual for how to do this)
 USER_T0                         = 0.0d0          # use this t0 as earliest starting time rather than the automatically calculated one
 time_stepping_scheme            = 1   # 1 = Newmark (2nd order),     2 = LDDRK4-6 (4th-order 6-stage low storage Runge-Kutta),     3 = classical 4th-order 4-stage Runge-Kutta
 
diff --git a/init_plane/Par_file_Slave_for b/init_plane/Par_file_Slave_for
index 6bd7da8..19f5f25 100644
--- a/init_plane/Par_file_Slave_for
+++ b/init_plane/Par_file_Slave_for
@@ -24,7 +24,7 @@ p_sv                            = .true.         # set the type of calculation (
 
 # time step parameters
 nt                              = 6000           # total number of time steps
-deltat                          = 0.01        # duration of a time step (for the choice of deltat please refer to section 4.5 of the user manual)
+deltat                          = 0.01        # duration of a time step (see section "How to choose the time step" of the manual for how to do this)
 USER_T0                         = 0.0d0          # use this t0 as earliest starting time rather than the automatically calculated one
 time_stepping_scheme            = 1   # 1 = Newmark (2nd order),     2 = LDDRK4-6 (4th-order 6-stage low storage Runge-Kutta),     3 = classical 4th-order 4-stage Runge-Kutta
 
diff --git a/init_plane/Par_file_Slave_kernel b/init_plane/Par_file_Slave_kernel
index 14ec765..5a99bdd 100644
--- a/init_plane/Par_file_Slave_kernel
+++ b/init_plane/Par_file_Slave_kernel
@@ -24,7 +24,7 @@ p_sv                            = .true.         # set the type of calculation (
 
 # time step parameters
 nt                              = 6000           # total number of time steps
-deltat                          = 0.01        # duration of a time step (for the choice of deltat please refer to section 4.5 of the user manual)
+deltat                          = 0.01        # duration of a time step (see section "How to choose the time step" of the manual for how to do this)
 USER_T0                         = 0.0d0          # use this t0 as earliest starting time rather than the automatically calculated one
 time_stepping_scheme            = 1   # 1 = Newmark (2nd order),     2 = LDDRK4-6 (4th-order 6-stage low storage Runge-Kutta),     3 = classical 4th-order 4-stage Runge-Kutta
 
diff --git a/noise_layered/model_0/Par_file_fair b/noise_layered/model_0/Par_file_fair
index 11ddef0..0a924bf 100644
--- a/noise_layered/model_0/Par_file_fair
+++ b/noise_layered/model_0/Par_file_fair
@@ -24,7 +24,7 @@ p_sv                            = .false.        # set the type of calculation (
 
 # time step parameters
 nt                              = 3000           # total number of time steps
-deltat                          = 1.d-3          # duration of a time step (for the choice of deltat please refer to section 4.5 of the user manual)
+deltat                          = 1.d-3          # duration of a time step (see section "How to choose the time step" of the manual for how to do this)
 USER_T0                         = 0.0d0          # use this t0 as earliest starting time rather than the automatically calculated one
 time_stepping_scheme            = 1   # 1 = Newmark (2nd order),     2 = LDDRK4-6 (4th-order 6-stage low storage Runge-Kutta),     3 = classical 4th-order 4-stage Runge-Kutta
 
diff --git a/noise_layered/model_0/Par_file_good b/noise_layered/model_0/Par_file_good
index 57afc70..84189b5 100644
--- a/noise_layered/model_0/Par_file_good
+++ b/noise_layered/model_0/Par_file_good
@@ -24,7 +24,7 @@ p_sv                            = .false.        # set the type of calculation (
 
 # time step parameters
 nt                              = 3000           # total number of time steps
-deltat                          = 1.d-3          # duration of a time step (for the choice of deltat please refer to section 4.5 of the user manual)
+deltat                          = 1.d-3          # duration of a time step (see section "How to choose the time step" of the manual for how to do this)
 USER_T0                         = 0.0d0          # use this t0 as earliest starting time rather than the automatically calculated one
 time_stepping_scheme            = 1   # 1 = Newmark (2nd order),     2 = LDDRK4-6 (4th-order 6-stage low storage Runge-Kutta),     3 = classical 4th-order 4-stage Runge-Kutta
 
diff --git a/noise_layered/model_1/Par_file_best b/noise_layered/model_1/Par_file_best
index 2f3fcd4..cf193ac 100644
--- a/noise_layered/model_1/Par_file_best
+++ b/noise_layered/model_1/Par_file_best
@@ -24,7 +24,7 @@ p_sv                            = .false.        # set the type of calculation (
 
 # time step parameters
 nt                              = 3000           # total number of time steps
-deltat                          = 1.d-3          # duration of a time step (for the choice of deltat please refer to section 4.5 of the user manual)
+deltat                          = 1.d-3          # duration of a time step (see section "How to choose the time step" of the manual for how to do this)
 USER_T0                         = 0.0d0          # use this t0 as earliest starting time rather than the automatically calculated one
 time_stepping_scheme            = 1   # 1 = Newmark (2nd order),     2 = LDDRK4-6 (4th-order 6-stage low storage Runge-Kutta),     3 = classical 4th-order 4-stage Runge-Kutta
 
diff --git a/noise_layered/model_1/Par_file_fair b/noise_layered/model_1/Par_file_fair
index 65f6178..5c1a266 100644
--- a/noise_layered/model_1/Par_file_fair
+++ b/noise_layered/model_1/Par_file_fair
@@ -24,7 +24,7 @@ p_sv                            = .false.        # set the type of calculation (
 
 # time step parameters
 nt                              = 3000           # total number of time steps
-deltat                          = 1.d-3          # duration of a time step (for the choice of deltat please refer to section 4.5 of the user manual)
+deltat                          = 1.d-3          # duration of a time step (see section "How to choose the time step" of the manual for how to do this)
 USER_T0                         = 0.0d0          # use this t0 as earliest starting time rather than the automatically calculated one
 time_stepping_scheme            = 1   # 1 = Newmark (2nd order),     2 = LDDRK4-6 (4th-order 6-stage low storage Runge-Kutta),     3 = classical 4th-order 4-stage Runge-Kutta
 
diff --git a/noise_layered/model_1/Par_file_good b/noise_layered/model_1/Par_file_good
index fe10e8e..d301776 100644
--- a/noise_layered/model_1/Par_file_good
+++ b/noise_layered/model_1/Par_file_good
@@ -24,7 +24,7 @@ p_sv                            = .false.        # set the type of calculation (
 
 # time step parameters
 nt                              = 3000           # total number of time steps
-deltat                          = 1.d-3          # duration of a time step (for the choice of deltat please refer to section 4.5 of the user manual)
+deltat                          = 1.d-3          # duration of a time step (see section "How to choose the time step" of the manual for how to do this)
 USER_T0                         = 0.0d0          # use this t0 as earliest starting time rather than the automatically calculated one
 time_stepping_scheme            = 1   # 1 = Newmark (2nd order),     2 = LDDRK4-6 (4th-order 6-stage low storage Runge-Kutta),     3 = classical 4th-order 4-stage Runge-Kutta
 
diff --git a/noise_layered/model_2/Par_file_fair b/noise_layered/model_2/Par_file_fair
index e96dd9c..5c92437 100644
--- a/noise_layered/model_2/Par_file_fair
+++ b/noise_layered/model_2/Par_file_fair
@@ -24,7 +24,7 @@ p_sv                            = .false.        # set the type of calculation (
 
 # time step parameters
 nt                              = 3000           # total number of time steps
-deltat                          = 1.d-3          # duration of a time step (for the choice of deltat please refer to section 4.5 of the user manual)
+deltat                          = 1.d-3          # duration of a time step (see section "How to choose the time step" of the manual for how to do this)
 USER_T0                         = 0.0d0          # use this t0 as earliest starting time rather than the automatically calculated one
 time_stepping_scheme            = 1   # 1 = Newmark (2nd order),     2 = LDDRK4-6 (4th-order 6-stage low storage Runge-Kutta),     3 = classical 4th-order 4-stage Runge-Kutta
 
diff --git a/noise_layered/model_2/Par_file_good b/noise_layered/model_2/Par_file_good
index 52d2f52..e6c997d 100644
--- a/noise_layered/model_2/Par_file_good
+++ b/noise_layered/model_2/Par_file_good
@@ -24,7 +24,7 @@ p_sv                            = .false.        # set the type of calculation (
 
 # time step parameters
 nt                              = 3000           # total number of time steps
-deltat                          = 1.d-3          # duration of a time step (for the choice of deltat please refer to section 4.5 of the user manual)
+deltat                          = 1.d-3          # duration of a time step (see section "How to choose the time step" of the manual for how to do this)
 USER_T0                         = 0.0d0          # use this t0 as earliest starting time rather than the automatically calculated one
 time_stepping_scheme            = 1   # 1 = Newmark (2nd order),     2 = LDDRK4-6 (4th-order 6-stage low storage Runge-Kutta),     3 = classical 4th-order 4-stage Runge-Kutta
 
diff --git a/noise_uniform/Par_file_noise_1 b/noise_uniform/Par_file_noise_1
index 8707b10..16ca901 100644
--- a/noise_uniform/Par_file_noise_1
+++ b/noise_uniform/Par_file_noise_1
@@ -24,7 +24,7 @@ p_sv                            = .false.        # set the type of calculation (
 
 # time step parameters
 nt                              = 3000           # total number of time steps
-deltat                          = 4.d-2          # duration of a time step (for the choice of deltat please refer to section 4.5 of the user manual)
+deltat                          = 4.d-2          # duration of a time step (see section "How to choose the time step" of the manual for how to do this)
 USER_T0                         = 0.0d0          # use this t0 as earliest starting time rather than the automatically calculated one
 time_stepping_scheme            = 1   # 1 = Newmark (2nd order),     2 = LDDRK4-6 (4th-order 6-stage low storage Runge-Kutta),     3 = classical 4th-order 4-stage Runge-Kutta
 
diff --git a/noise_uniform/Par_file_noise_2 b/noise_uniform/Par_file_noise_2
index 5d52758..03c888c 100644
--- a/noise_uniform/Par_file_noise_2
+++ b/noise_uniform/Par_file_noise_2
@@ -24,7 +24,7 @@ p_sv                            = .false.        # set the type of calculation (
 
 # time step parameters
 nt                              = 3000           # total number of time steps
-deltat                          = 4.d-2          # duration of a time step (for the choice of deltat please refer to section 4.5 of the user manual)
+deltat                          = 4.d-2          # duration of a time step (see section "How to choose the time step" of the manual for how to do this)
 USER_T0                         = 0.0d0          # use this t0 as earliest starting time rather than the automatically calculated one
 time_stepping_scheme            = 1   # 1 = Newmark (2nd order),     2 = LDDRK4-6 (4th-order 6-stage low storage Runge-Kutta),     3 = classical 4th-order 4-stage Runge-Kutta
 
diff --git a/noise_uniform/Par_file_noise_3 b/noise_uniform/Par_file_noise_3
index c6f692f..f1edaaf 100644
--- a/noise_uniform/Par_file_noise_3
+++ b/noise_uniform/Par_file_noise_3
@@ -24,7 +24,7 @@ p_sv                            = .false.        # set the type of calculation (
 
 # time step parameters
 nt                              = 3000           # total number of time steps
-deltat                          = 4.d-2          # duration of a time step (for the choice of deltat please refer to section 4.5 of the user manual)
+deltat                          = 4.d-2          # duration of a time step (see section "How to choose the time step" of the manual for how to do this)
 USER_T0                         = 0.0d0          # use this t0 as earliest starting time rather than the automatically calculated one
 time_stepping_scheme            = 1   # 1 = Newmark (2nd order),     2 = LDDRK4-6 (4th-order 6-stage low storage Runge-Kutta),     3 = classical 4th-order 4-stage Runge-Kutta
 
diff --git a/process_DATA_Par_files_to_update_their_format_when_new_parameters_are_added.py b/process_DATA_Par_files_to_update_their_format_when_new_parameters_are_added.py
index 2930379..62ec7e6 100755
--- a/process_DATA_Par_files_to_update_their_format_when_new_parameters_are_added.py
+++ b/process_DATA_Par_files_to_update_their_format_when_new_parameters_are_added.py
@@ -459,8 +459,8 @@ def ProcessParfile_r20859(fic):
     for ilg, lig in enumerate(ligs):
         if lig.startswith('deltat'):
             ligs[ilg] = ligs[ilg].replace('# duration of a time step','#'+ \
-            ' duration of a time step (for the choice of deltat please refer'+ \
-            ' to section 4.5 of the user manual)')
+            ' duration of a time step (see section "How to choose the time step" of'+ \
+            ' the manual for how to do this)')
     #
     move(fic,fic+'.before_update_to_r20859')
     #
diff --git a/salt_dome/Stacey_normal/Par_file b/salt_dome/Stacey_normal/Par_file
index 02228c1..ffaf67d 100644
--- a/salt_dome/Stacey_normal/Par_file
+++ b/salt_dome/Stacey_normal/Par_file
@@ -24,7 +24,7 @@ p_sv                            = .true.         # set the type of calculation (
 
 # time step parameters
 nt                              = 10000           # total number of time steps
-deltat                          = 4.25e-4         # duration of a time step (for the choice of deltat please refer to section 4.5 of the user manual)
+deltat                          = 4.25e-4         # duration of a time step (see section "How to choose the time step" of the manual for how to do this)
 USER_T0                         = 0.0d0          # use this t0 as earliest starting time rather than the automatically calculated one
 time_stepping_scheme            = 1              # 1 = Newmark (2nd order), 2 = LDDRK4-6 (4th-order 6-stage low storage Runge-Kutta), 3 = classical RK4 4th-order 4-stage Runge-Kutta
 
diff --git a/semi_infinite_homo/Par_file_elastic_2D b/semi_infinite_homo/Par_file_elastic_2D
index e5df40b..9378414 100644
--- a/semi_infinite_homo/Par_file_elastic_2D
+++ b/semi_infinite_homo/Par_file_elastic_2D
@@ -24,7 +24,7 @@ p_sv                            = .true.         # set the type of calculation (
 
 # time step parameters
 nt                              = 15000           # total number of time steps
-deltat                          = 0.8e-3         # duration of a time step (for the choice of deltat please refer to section 4.5 of the user manual)
+deltat                          = 0.8e-3         # duration of a time step (see section "How to choose the time step" of the manual for how to do this)
 USER_T0                         = 0.15d0         # use this t0 as earliest starting time rather than the automatically calculated one
 time_stepping_scheme            = 1              # 1 = Newmark (2nd order), 2 = LDDRK4-6 (4th-order 6-stage low storage Runge-Kutta), 3 = classical 4th-order 4-stage Runge-Kutta
 



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