Merge branch 'master' into doself2-vectorisation

Conflicts:
	src/cache.h
	src/hydro/Gadget2/hydro_iact.h
	src/kernel_hydro.h
	src/runner_doiact_vec.c
	src/runner_doiact_vec.h
	src/vector.h
	tests/benchmarkInteractions.c
	tests/testKernel.c

.gitignore

@@ -34,12 +34,17 @@ examples/*/*/*.txt
 examples/*/*/used_parameters.yml
 examples/*/gravity_checks_*.dat
 
-tests/testPair
+tests/testActivePair
+tests/brute_force_periodic_BC_standard.dat
+tests/swift_periodic_BC_standard.dat
+tests/brute_force_periodic_BC_pertrubed.dat
+tests/swift_periodic_BC_perturbed.dat
 tests/brute_force_standard.dat
 tests/swift_dopair_standard.dat
 tests/brute_force_perturbed.dat
 tests/swift_dopair_perturbed.dat
 tests/test27cells
+tests/testPeriodicBC
 tests/test125cells
 tests/brute_force_27_standard.dat
 tests/swift_dopair_27_standard.dat
@@ -49,6 +54,11 @@ tests/brute_force_125_standard.dat
 tests/swift_dopair_125_standard.dat
 tests/brute_force_125_perturbed.dat
 tests/swift_dopair_125_perturbed.dat
+tests/brute_force_active.dat
+tests/brute_force_periodic_BC_perturbed.dat
+tests/swift_dopair_active.dat
+tests/test_nonsym_density_serial.dat
+tests/test_nonsym_density_vec.dat
 tests/testGreetings
 tests/testReading
 tests/input.hdf5
@@ -64,12 +74,12 @@ tests/testMaths
 tests/testThreadpool
 tests/testParser
 tests/parser_output.yml
+tests/testPeriodicBC.sh
+tests/testPeriodicBCPerturbed.sh
 tests/test27cells.sh
 tests/test27cellsPerturbed.sh
 tests/test125cells.sh
 tests/test125cellsPerturbed.sh
-tests/testPair.sh
-tests/testPairPerturbed.sh
 tests/testParser.sh
 tests/testReading.sh
 tests/testAdiabaticIndex
@@ -95,6 +105,9 @@ theory/paper_pasc/pasc_paper.pdf
 theory/Multipoles/fmm.pdf
 theory/Multipoles/fmm_standalone.pdf
 theory/Multipoles/potential.pdf
+theory/Multipoles/potential_long.pdf
+theory/Multipoles/potential_short.pdf
+theory/Multipoles/force_short.pdf
 
 m4/libtool.m4
 m4/ltoptions.m4

README

@@ -15,28 +15,31 @@ Usage: swift [OPTION]... PARAMFILE
        swift_mpi [OPTION]... PARAMFILE
 
 Valid options are:
-  -a          Pin runners using processor affinity.
-  -c          Run with cosmological time integration.
-  -C          Run with cooling.
-  -d          Dry run. Read the parameter file, allocate memory but does not read 
-              the particles from ICs and exit before the start of time integration.
-              Allows user to check validy of parameter and IC files as well as memory limits.
-  -D          Always drift all particles even the ones far from active particles. This emulates
-  	      Gadget-[23] and GIZMO's default behaviours.
-  -e          Enable floating-point exceptions (debugging mode).
-  -f    {int} Overwrite the CPU frequency (Hz) to be used for time measurements.
-  -g          Run with an external gravitational potential.
-  -G          Run with self-gravity.
-  -M          Reconstruct the multipoles every time-step.
-  -n    {int} Execute a fixed number of time steps. When unset use the time_end parameter to stop. 
-  -s          Run with hydrodynamics.
-  -S          Run with stars.
-  -t    {int} The number of threads to use on each MPI rank. Defaults to 1 if not specified.
-  -T          Print timers every time-step.
-  -v     [12] Increase the level of verbosity
-  	      1: MPI-rank 0 writes
-	      2: All MPI-ranks write
-  -y    {int} Time-step frequency at which task graphs are dumped.
-  -h          Print this help message and exit.
+  -a                Pin runners using processor affinity.
+  -c                Run with cosmological time integration.
+  -C                Run with cooling.
+  -d                Dry run. Read the parameter file, allocate memory but does not read
+                    the particles from ICs and exit before the start of time integration.
+                    Allows user to check validy of parameter and IC files as well as memory limits.
+  -D                Always drift all particles even the ones far from active particles. This emulates
+                    Gadget-[23] and GIZMO's default behaviours.
+  -e                Enable floating-point exceptions (debugging mode).
+  -f          {int} Overwrite the CPU frequency (Hz) to be used for time measurements.
+  -g                Run with an external gravitational potential.
+  -G                Run with self-gravity.
+  -M                Reconstruct the multipoles every time-step.
+  -n          {int} Execute a fixed number of time steps. When unset use the time_end parameter to stop.
+  -P  {sec:par:val} Set parameter value and overwrites values read from the parameters file. Can be used more than once.
+  -s                Run with hydrodynamics.
+  -S                Run with stars.
+  -t          {int} The number of threads to use on each MPI rank. Defaults to 1 if not specified.
+  -T                Print timers every time-step.
+  -v           [12] Increase the level of verbosity:
+                    1: MPI-rank 0 writes,
+                    2: All MPI-ranks write.
+  -y          {int} Time-step frequency at which task graphs are dumped.
+  -Y          {int} Time-step frequency at which threadpool tasks are dumped.
+  -h                Print this help message and exit.
+
+See the file parameter_example.yml for an example of parameter file.
 
-See the file examples/parameter_example.yml for an example of parameter file.

configure.ac

@@ -16,7 +16,7 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 # Init the project.
-AC_INIT([SWIFT],[0.5.0],[https://gitlab.cosma.dur.ac.uk/swift/swiftsim])
+AC_INIT([SWIFT],[0.6.0],[https://gitlab.cosma.dur.ac.uk/swift/swiftsim])
 swift_config_flags="$*"
 
 #  Need to define this, instead of using fifth argument of AC_INIT, until 2.64.
@@ -189,6 +189,19 @@ if test "$enable_task_debugging" = "yes"; then
    AC_DEFINE([SWIFT_DEBUG_TASKS],1,[Enable task debugging])
 fi
 
+# Check if threadpool debugging is on.
+AC_ARG_ENABLE([threadpool-debugging],
+   [AS_HELP_STRING([--enable-threadpool-debugging],
+     [Store threadpool mapper timing information and generate threadpool dump files @<:@yes/no@:>@]
+   )],
+   [enable_threadpool_debugging="$enableval"],
+   [enable_threadpool_debugging="no"]
+)
+if test "$enable_threadpool_debugging" = "yes"; then
+   AC_DEFINE([SWIFT_DEBUG_THREADPOOL],1,[Enable threadpool debugging])
+   LDFLAGS="$LDFLAGS -rdynamic"
+fi
+
 # Check if the general timers are switched on.
 AC_ARG_ENABLE([timers],
    [AS_HELP_STRING([--enable-timers],
@@ -829,10 +842,10 @@ esac
 #  Gravity multipole order
 AC_ARG_WITH([multipole-order],
    [AS_HELP_STRING([--with-multipole-order=<order>],
-      [order of the multipole and gravitational field expansion @<:@ default: 3@:>@]
+      [order of the multipole and gravitational field expansion @<:@ default: 4@:>@]
    )],
    [with_multipole_order="$withval"],
-   [with_multipole_order="3"]
+   [with_multipole_order="4"]
 )
 AC_DEFINE_UNQUOTED([SELF_GRAVITY_MULTIPOLE_ORDER], [$with_multipole_order], [Multipole order])
 
@@ -848,19 +861,31 @@ AM_CONDITIONAL([HAVE_DOXYGEN], [test "$ac_cv_path_ac_pt_DX_DOXYGEN" != ""])
 # Handle .in files.
 AC_CONFIG_FILES([Makefile src/Makefile examples/Makefile doc/Makefile doc/Doxyfile tests/Makefile])
 AC_CONFIG_FILES([tests/testReading.sh], [chmod +x tests/testReading.sh])
-AC_CONFIG_FILES([tests/testPair.sh], [chmod +x tests/testPair.sh])
-AC_CONFIG_FILES([tests/testPairPerturbed.sh], [chmod +x tests/testPairPerturbed.sh])
+AC_CONFIG_FILES([tests/testActivePair.sh], [chmod +x tests/testActivePair.sh])
 AC_CONFIG_FILES([tests/test27cells.sh], [chmod +x tests/test27cells.sh])
 AC_CONFIG_FILES([tests/test27cellsPerturbed.sh], [chmod +x tests/test27cellsPerturbed.sh])
 AC_CONFIG_FILES([tests/test125cells.sh], [chmod +x tests/test125cells.sh])
 AC_CONFIG_FILES([tests/test125cellsPerturbed.sh], [chmod +x tests/test125cellsPerturbed.sh])
+AC_CONFIG_FILES([tests/testPeriodicBC.sh], [chmod +x tests/testPeriodicBC.sh])
+AC_CONFIG_FILES([tests/testPeriodicBCPerturbed.sh], [chmod +x tests/testPeriodicBCPerturbed.sh])
+AC_CONFIG_FILES([tests/testInteractions.sh], [chmod +x tests/testInteractions.sh])
 AC_CONFIG_FILES([tests/testParser.sh], [chmod +x tests/testParser.sh])
 
 # Save the compilation options
 AC_DEFINE_UNQUOTED([SWIFT_CONFIG_FLAGS],["$swift_config_flags"],[Flags passed to configure])
 
+# Make sure the latest git revision string gets included
+touch src/version.c
+
+# Generate output.
+AC_OUTPUT
+
 # Report general configuration.
-AC_MSG_RESULT([
+AC_MSG_RESULT([ 
+ ------- Summary --------
+
+   $PACKAGE_NAME v.$PACKAGE_VERSION
+
    Compiler        : $CC
     - vendor       : $ax_cv_c_compiler_vendor
     - version      : $ax_cv_c_compiler_version
@@ -887,14 +912,10 @@ AC_MSG_RESULT([
    Multipole order     : $with_multipole_order
    No gravity below ID : $no_gravity_below_id
 
-   Individual timers : $enable_timers
-   Task debugging    : $enable_task_debugging
-   Debugging checks  : $enable_debugging_checks
-   Gravity checks    : $gravity_force_checks
-])
-
-# Make sure the latest git revision string gets included
-touch src/version.c
+   Individual timers    : $enable_timers
+   Task debugging       : $enable_task_debugging
+   Threadpool debugging : $enable_threadpool_debugging
+   Debugging checks     : $enable_debugging_checks
+   Gravity checks       : $gravity_force_checks
 
-# Generate output.
-AC_OUTPUT
+ ------------------------])

doc/Doxyfile.in

@@ -1988,6 +1988,9 @@ INCLUDE_FILE_PATTERNS  =
 # This tag requires that the tag ENABLE_PREPROCESSING is set to YES.
 
 PREDEFINED             = "__attribute__(x)= "
+PREDEFINED             += HAVE_HDF5
+PREDEFINED             += WITH_MPI
+PREDEFINED             += WITH_VECTORIZATION
 
 # If the MACRO_EXPANSION and EXPAND_ONLY_PREDEF tags are set to YES then this
 # tag can be used to specify a list of macro names that should be expanded. The

examples/CoolingBox/energy_plot.py

@@ -34,7 +34,7 @@ import sys
 stats_filename = "./energy.txt"
 
 # First snapshot
-snap_filename = "coolingBox_000.hdf5"
+snap_filename = "coolingBox_0000.hdf5"
 
 # Some constants in cgs units
 k_b = 1.38E-16 #boltzmann
@@ -104,7 +104,7 @@ print "Cooling time:", cooling_time_cgs, "[s]"
 u_snapshots_cgs = zeros(25)
 t_snapshots_cgs = zeros(25)
 for i in range(25):
-    snap = h5.File("coolingBox_%0.3d.hdf5"%i,'r')
+    snap = h5.File("coolingBox_%0.4d.hdf5"%i,'r')
     u_snapshots_cgs[i] = sum(snap["/PartType0/InternalEnergy"][:] * snap["/PartType0/Masses"][:])  / total_mass[0] * unit_length**2 / (unit_time)**2
     t_snapshots_cgs[i] = snap["/Header"].attrs["Time"] * unit_time
 

examples/CoolingHalo/density_profile.py

@@ -20,7 +20,7 @@ H_0_cgs = 100. * h * KM_PER_SEC_IN_CGS / (1.0e6 * PARSEC_IN_CGS)
 
 #read some header/parameter information from the first snapshot
 
-filename = "Hydrostatic_000.hdf5"
+filename = "Hydrostatic_0000.hdf5"
 f = h5.File(filename,'r')
 params = f["Parameters"]
 unit_mass_cgs = float(params.attrs["InternalUnitSystem:UnitMass_in_cgs"])
@@ -39,7 +39,7 @@ M_vir_cgs = r_vir_cgs * v_c_cgs**2 / CONST_G_CGS
 
 for i in range(n_snaps):
 
-    filename = "Hydrostatic_%03d.hdf5" %i
+    filename = "Hydrostatic_%04d.hdf5" %i
     f = h5.File(filename,'r')
     coords_dset = f["PartType0/Coordinates"]
     coords = np.array(coords_dset)

examples/CoolingHalo/internal_energy_profile.py

@@ -38,7 +38,7 @@ H_0_cgs = 100. * h * KM_PER_SEC_IN_CGS / (1.0e6 * PARSEC_IN_CGS)
 
 #read some header/parameter information from the first snapshot
 
-filename = "Hydrostatic_000.hdf5"
+filename = "Hydrostatic_0000.hdf5"
 f = h5.File(filename,'r')
 params = f["Parameters"]
 unit_mass_cgs = float(params.attrs["InternalUnitSystem:UnitMass_in_cgs"])
@@ -57,7 +57,7 @@ M_vir_cgs = r_vir_cgs * v_c_cgs**2 / CONST_G_CGS
 
 for i in range(n_snaps):
 
-    filename = "Hydrostatic_%03d.hdf5" %i
+    filename = "Hydrostatic_%04d.hdf5" %i
     f = h5.File(filename,'r')
     coords_dset = f["PartType0/Coordinates"]
     coords = np.array(coords_dset)

examples/CoolingHalo/test_energy_conservation.py

@@ -17,7 +17,7 @@ H_0_cgs = 100. * h * KM_PER_SEC_IN_CGS / (1.0e6 * PARSEC_IN_CGS)
 
 #read some header/parameter information from the first snapshot
 
-filename = "CoolingHalo_000.hdf5"
+filename = "CoolingHalo_0000.hdf5"
 f = h5.File(filename,'r')
 params = f["Parameters"]
 unit_mass_cgs = float(params.attrs["InternalUnitSystem:UnitMass_in_cgs"])
@@ -41,7 +41,7 @@ time_array_cgs = []
 
 for i in range(n_snaps):
 
-    filename = "CoolingHalo_%03d.hdf5" %i
+    filename = "CoolingHalo_%04d.hdf5" %i
     f = h5.File(filename,'r')
     coords_dset = f["PartType0/Coordinates"]
     coords = np.array(coords_dset)

examples/CoolingHalo/velocity_profile.py

@@ -39,7 +39,7 @@ H_0_cgs = 100. * h * KM_PER_SEC_IN_CGS / (1.0e6 * PARSEC_IN_CGS)
 
 #read some header/parameter information from the first snapshot
 
-filename = "CoolingHalo_000.hdf5"
+filename = "CoolingHalo_0000.hdf5"
 f = h5.File(filename,'r')
 params = f["Parameters"]
 unit_mass_cgs = float(params.attrs["InternalUnitSystem:UnitMass_in_cgs"])
@@ -58,7 +58,7 @@ M_vir_cgs = r_vir_cgs * v_c_cgs**2 / CONST_G_CGS
 
 for i in range(n_snaps):
 
-    filename = "CoolingHalo_%03d.hdf5" %i
+    filename = "CoolingHalo_%04d.hdf5" %i
     f = h5.File(filename,'r')
     coords_dset = f["PartType0/Coordinates"]
     coords = np.array(coords_dset)

examples/CoolingHaloWithSpin/density_profile.py

@@ -21,7 +21,7 @@ H_0_cgs = 100. * h * KM_PER_SEC_IN_CGS / (1.0e6 * PARSEC_IN_CGS)
 
 #read some header/parameter information from the first snapshot
 
-filename = "CoolingHalo_000.hdf5"
+filename = "CoolingHalo_0000.hdf5"
 f = h5.File(filename,'r')
 params = f["Parameters"]
 unit_mass_cgs = float(params.attrs["InternalUnitSystem:UnitMass_in_cgs"])
@@ -42,7 +42,7 @@ M_vir_cgs = r_vir_cgs * v_c_cgs**2 / CONST_G_CGS
 
 for i in range(n_snaps):
 
-    filename = "CoolingHalo_%03d.hdf5" %i
+    filename = "CoolingHalo_%04d.hdf5" %i
     f = h5.File(filename,'r')
     coords_dset = f["PartType0/Coordinates"]
     coords = np.array(coords_dset)

examples/CoolingHaloWithSpin/internal_energy_profile.py

@@ -39,7 +39,7 @@ H_0_cgs = 100. * h * KM_PER_SEC_IN_CGS / (1.0e6 * PARSEC_IN_CGS)
 
 #read some header/parameter information from the first snapshot
 
-filename = "CoolingHalo_000.hdf5"
+filename = "CoolingHalo_0000.hdf5"
 f = h5.File(filename,'r')
 params = f["Parameters"]
 unit_mass_cgs = float(params.attrs["InternalUnitSystem:UnitMass_in_cgs"])
@@ -60,7 +60,7 @@ M_vir_cgs = r_vir_cgs * v_c_cgs**2 / CONST_G_CGS
 
 for i in range(n_snaps):
 
-    filename = "CoolingHalo_%03d.hdf5" %i
+    filename = "CoolingHalo_%04d.hdf5" %i
     f = h5.File(filename,'r')
     coords_dset = f["PartType0/Coordinates"]
     coords = np.array(coords_dset)

examples/CoolingHaloWithSpin/test_energy_conservation.py

@@ -20,7 +20,7 @@ H_0_cgs = 100. * h * KM_PER_SEC_IN_CGS / (1.0e6 * PARSEC_IN_CGS)
 
 #read some header/parameter information from the first snapshot
 
-filename = "CoolingHalo_000.hdf5"
+filename = "CoolingHalo_0000.hdf5"
 f = h5.File(filename,'r')
 params = f["Parameters"]
 unit_mass_cgs = float(params.attrs["InternalUnitSystem:UnitMass_in_cgs"])
@@ -44,7 +44,7 @@ time_array_cgs = []
 
 for i in range(n_snaps):
 
-    filename = "CoolingHalo_%03d.hdf5" %i
+    filename = "CoolingHalo_%04d.hdf5" %i
     f = h5.File(filename,'r')
     coords_dset = f["PartType0/Coordinates"]
     coords = np.array(coords_dset)

examples/CoolingHaloWithSpin/velocity_profile.py

@@ -39,7 +39,7 @@ H_0_cgs = 100. * h * KM_PER_SEC_IN_CGS / (1.0e6 * PARSEC_IN_CGS)
 
 #read some header/parameter information from the first snapshot
 
-filename = "CoolingHalo_000.hdf5"
+filename = "CoolingHalo_0000.hdf5"
 f = h5.File(filename,'r')
 params = f["Parameters"]
 unit_mass_cgs = float(params.attrs["InternalUnitSystem:UnitMass_in_cgs"])
@@ -58,7 +58,7 @@ M_vir_cgs = r_vir_cgs * v_c_cgs**2 / CONST_G_CGS
 
 for i in range(n_snaps):
 
-    filename = "CoolingHalo_%03d.hdf5" %i
+    filename = "CoolingHalo_%04d.hdf5" %i
     f = h5.File(filename,'r')
     coords_dset = f["PartType0/Coordinates"]
     coords = np.array(coords_dset)

examples/DiscPatch/HydroStatic/README

@@ -18,3 +18,5 @@ output to 'Disc-Patch-dynamic.hdf5'. These are now the ICs for the actual test.
 
 When running SWIFT with the parameters from 'disc-patch.yml' and an
 ideal gas EoS on these ICs the disc should stay in equilibrium.
+
+The solution can be checked using the 'plotSolution.py' script.

examples/DiscPatch/HydroStatic/disc-patch-icc.yml

 # Define the system of units to use internally. 
 InternalUnitSystem:
-  UnitMass_in_cgs:     1.9885e33     # Grams
-  UnitLength_in_cgs:   3.0856776e18  # Centimeters
-  UnitVelocity_in_cgs: 1e5           # Centimeters per second
+  UnitMass_in_cgs:     1.9885e33         # Grams
+  UnitLength_in_cgs:   3.08567758149e18  # Centimeters
+  UnitVelocity_in_cgs: 1e5               # Centimeters per second
   UnitCurrent_in_cgs:  1   # Amperes
   UnitTemp_in_cgs:     1   # Kelvin
 
@@ -11,17 +11,17 @@ TimeIntegration:
   time_begin: 0     # The starting time of the simulation (in internal units).
   time_end:   968.  # The end time of the simulation (in internal units).
   dt_min:     1e-4  # The minimal time-step size of the simulation (in internal units).
-  dt_max:     1.    # The maximal time-step size of the simulation (in internal units).
+  dt_max:     10.   # The maximal time-step size of the simulation (in internal units).
 
 # Parameters governing the conserved quantities statistics
 Statistics:
-  delta_time:          1 # Time between statistics output
+  delta_time:          12. # Time between statistics output
   
 # Parameters governing the snapshots
 Snapshots:
-  basename:            Disc-Patch   # Common part of the name of output files
-  time_first:          0.           # Time of the first output (in internal units)
-  delta_time:          12.          # Time difference between consecutive outputs (in internal units)
+  basename:    Disc-Patch   # Common part of the name of output files
+  time_first:  0.           # Time of the first output (in internal units)
+  delta_time:  48.          # Time difference between outputs (in internal units)
 
 # Parameters for the hydrodynamics scheme
 SPH:
@@ -29,7 +29,7 @@ SPH:
   delta_neighbours:      0.1      # The tolerance for the targetted number of neighbours.
   CFL_condition:         0.1      # Courant-Friedrich-Levy condition for time integration.
   max_ghost_iterations:  30       # Maximal number of iterations allowed to converge towards the smoothing length.
-  max_smoothing_length:  70.      # Maximal smoothing length allowed (in internal units).
+  h_max:                 60.      # Maximal smoothing length allowed (in internal units).
 
 # Parameters related to the initial conditions
 InitialConditions:
@@ -39,6 +39,8 @@ InitialConditions:
 DiscPatchPotential:
   surface_density: 10.
   scale_height:    100.
-  z_disc:          200.
+  x_disc:          400.
+  x_trunc:         300.
+  x_max:           350.
   timestep_mult:   0.03
   growth_time:     5.

examples/DiscPatch/HydroStatic/disc-patch.yml

 # Define the system of units to use internally. 
 InternalUnitSystem:
-  UnitMass_in_cgs:     1.9885e33     # Grams
-  UnitLength_in_cgs:   3.0856776e18  # Centimeters
-  UnitVelocity_in_cgs: 1e5           # Centimeters per second
+  UnitMass_in_cgs:     1.9885e33         # Grams
+  UnitLength_in_cgs:   3.08567758149e18  # Centimeters
+  UnitVelocity_in_cgs: 1e5               # Centimeters per second
   UnitCurrent_in_cgs:  1   # Amperes
   UnitTemp_in_cgs:     1   # Kelvin
 
@@ -11,17 +11,17 @@ TimeIntegration:
   time_begin: 968   # The starting time of the simulation (in internal units).
   time_end:   12000.  # The end time of the simulation (in internal units).
   dt_min:     1e-4  # The minimal time-step size of the simulation (in internal units).
-  dt_max:     1.    # The maximal time-step size of the simulation (in internal units).
+  dt_max:     10.   # The maximal time-step size of the simulation (in internal units).
 
 # Parameters governing the conserved quantities statistics
 Statistics:
-  delta_time:          1 # Time between statistics output
+  delta_time:          24 # Time between statistics output
   
 # Parameters governing the snapshots
 Snapshots:
-  basename:           Disc-Patch-dynamic # Common part of the name of output files
-  time_first:         968.               # Time of the first output (in internal units)
-  delta_time:         24.                 # Time difference between consecutive outputs (in internal units)
+  basename:    Disc-Patch-dynamic # Common part of the name of output files
+  time_first:  968.               # Time of the first output (in internal units)
+  delta_time:  96.                # Time difference between outputs (in internal units)
 
 # Parameters for the hydrodynamics scheme
 SPH:
@@ -29,7 +29,7 @@ SPH:
   delta_neighbours:      0.1      # The tolerance for the targetted number of neighbours.
   CFL_condition:         0.1      # Courant-Friedrich-Levy condition for time integration.
   max_ghost_iterations:  30       # Maximal number of iterations allowed to converge towards the smoothing length.
-  max_smoothing_length:  70.      # Maximal smoothing length allowed (in internal units).
+  h_max:                 60.      # Maximal smoothing length allowed (in internal units).
 
 # Parameters related to the initial conditions
 InitialConditions:
@@ -39,5 +39,7 @@ InitialConditions:
 DiscPatchPotential:
   surface_density: 10.
   scale_height:    100.
-  z_disc:          200.
+  x_disc:          400.
+  x_trunc:         300.
+  x_max:           380.
   timestep_mult:   0.03

examples/DiscPatch/HydroStatic/dynamic.pro

-;
-;  test energy / angular momentum conservation of test problem
-;
-
-iplot = 1 ; if iplot = 1, make plot of E/Lz conservation, else, simply compare final and initial energy
-
-; set physical constants
-@physunits
-
-indir    = './'
-;basefile = 'Disc-Patch-dynamic_'
-basefile = 'Disc-Patch_'
-
-; set properties of potential
-uL   = phys.pc                  ; unit of length
-uM   = phys.msun                ; unit of mass
-uV   = 1d5                      ; unit of velocity
-
-; properties of patch
-surface_density = 100.          ; surface density of all mass, which generates the gravitational potential
-scale_height    = 100.
-z_disk          = 200.          ;
-fgas            = 0.1           ; gas fraction
-gamma           = 5./3.
-
-; derived units
-constG   = 10.^(alog10(phys.g)+alog10(uM)-2d0*alog10(uV)-alog10(uL)) ;
-pcentre  = [0.,0.,z_disk] * pc / uL
-utherm     = !pi * constG * surface_density * scale_height / (gamma-1.)
-temp       = (utherm*uV^2)*phys.m_h/phys.kb
-soundspeed = sqrt(gamma * (gamma-1.) * utherm)
-t_dyn      = sqrt(scale_height / (constG * surface_density))
-rho0       = fgas*(surface_density)/(2.*scale_height)
-print,' dynamical time = ',t_dyn,' = ',t_dyn*UL/uV/(1d6*phys.yr),' Myr'
-print,' thermal energy per unit mass = ',utherm
-print,' central density = ',rho0,' = ',rho0*uM/uL^3/m_h,' particles/cm^3'
-print,' central temperature = ',temp
-lambda = 2 * !pi * phys.G^1.5 * (scale_height*uL)^1.5 * (surface_density * uM/uL^2)^0.5 * phys.m_h^2 / (gamma-1) / fgas
-print,' lambda = ',lambda
-stop
-;
-infile = indir + basefile + '*'
-spawn,'ls -1 '+infile,res
-nfiles = n_elements(res)
-
-
-; choose: calculate change of energy and Lz, comparing first and last
-; snapshots for all particles, or do so for a subset
-
-; compare all
-ifile   = 0
-inf     = indir + basefile + strtrim(string(ifile,'(i3.3)'),1) + '.hdf5'
-id      = h5rd(inf,'PartType0/ParticleIDs')
-nfollow = n_elements(id)
-
-
-; compute anlytic profile
-nbins = 100
-zbins = findgen(nbins)/float(nbins-1) * 2 * scale_height
-rbins = (surface_density/(2.*scale_height)) / cosh(abs(zbins)/scale_height)^2
-
-
-; plot analytic profile
-wset,0
-plot,[0],[0],xr=[0,2*scale_height],yr=[0,max(rbins)],/nodata,xtitle='|z|',ytitle=textoidl('\rho')
-oplot,zbins,rbins,color=blue
-
-ifile  = 0
-nskip   = nfiles - 1
-isave  = 0
-nplot  = 8192 ; randomly plot particles
-color = floor(findgen(nfiles)/float(nfiles-1)*255)
-;for ifile=0,nfiles-1,nskip do begin
-tsave  = [0.]
-toplot = [1,nfiles-1]
-for iplot=0,1 do begin
-   ifile  = toplot[iplot]
-   inf    = indir + basefile + strtrim(string(ifile,'(i3.3)'),1) + '.hdf5'
-   time   = h5ra(inf, 'Header','Time')
-   tsave  = [tsave, time]
-   print,' time= ',time
-   p      = h5rd(inf,'PartType0/Coordinates')
-   v      = h5rd(inf,'PartType0/Velocities')
-   id     = h5rd(inf,'PartType0/ParticleIDs')
-   rho    = h5rd(inf,'PartType0/Density')
-   h      = h5rd(inf,'PartType0/SmoothingLength')
-   utherm = h5rd(inf,'PartType0/InternalEnergy')
-   indx   = sort(id)
-
-; substract disk centre
-   for ic=0,2 do p[ic,*]=p[ic,*] - pcentre[ic]
-
-
-;; ;  if you want to sort particles by ID
-;;    id     = id[indx]
-;;    rho    = rho[indx]
-;;    utherm = utherm[indx]
-;;    h      = h[indx]
-;;    for ic=0,2 do begin
-;;       tmp = reform(p[ic,*]) & p[ic,*] = tmp[indx]
-;;       tmp = reform(v[ic,*]) & v[ic,*] = tmp[indx]
-;;    endfor
-   
-   ip = floor(randomu(ifile+1,nplot)*n_elements(rho))
-   color = red
-   if(ifile eq 1) then begin
-      color=black
-   endif else begin
-      color=red
-   endelse
-   oplot,abs(p[2,ip]), rho[ip], psym=3, color=color
-
-   isave = isave + 1
-   
-endfor
-
-; time in units of dynamical time
-tsave = tsave[1:*] / t_dyn
-
-label = ['']