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159 Commits

Author SHA1 Message Date
Grzegorz Kowal
b5d1896d30 EVOLUTION: Slightly rewrite new_time_step(). 
Signed-off-by: Grzegorz Kowal <grzegorz@amuncode.org>
 2014-09-13 09:47:07 -03:00
Grzegorz Kowal
b69fb5f3d4 EVOLUTION: Correct comments in evolve_ssprk2(). 
Signed-off-by: Grzegorz Kowal <grzegorz@amuncode.org>
 2014-08-26 14:53:11 -03:00
Grzegorz Kowal
dd54da1e5c EVOLUTION: Correct comments in evolve_ssprk35(). 
Signed-off-by: Grzegorz Kowal <grzegorz@amuncode.org>
 2014-08-26 14:51:14 -03:00
Grzegorz Kowal
3738e9dbef EVOLUTION: Rewrite 3rd order 4-stage SSPRK integration. 
Signed-off-by: Grzegorz Kowal <grzegorz@amuncode.org>
 2014-08-26 14:47:16 -03:00
Grzegorz Kowal
2e5e8b6747 EVOLUTION: Implement 3rd order 5-stage SSPRK integration. 
Signed-off-by: Grzegorz Kowal <grzegorz@amuncode.org>
 2014-08-26 13:51:11 -03:00
Grzegorz Kowal
074fcb3e54 EVOLUTION: Implement 2nd order multi-stage SSPRK integration. 
Signed-off-by: Grzegorz Kowal <grzegorz@amuncode.org>
 2014-08-26 13:25:31 -03:00
Grzegorz Kowal
b75ad37011 EVOLUTION: Rename RK coefficients in evolve_rk34(). 
Signed-off-by: Grzegorz Kowal <grzegorz@amuncode.org>
 2014-08-21 14:01:27 -03:00
Grzegorz Kowal
f4236e791e EVOLUTION: Remove "method" from intergration method descriptions. 
Signed-off-by: Grzegorz Kowal <grzegorz@amuncode.org>
 2014-08-21 12:39:35 -03:00
Grzegorz Kowal
f7469b1d67 INTEGRALS: Store the current time step, not fractional dt. 
Signed-off-by: Grzegorz Kowal <grzegorz@amuncode.org>
 2014-08-20 18:10:30 -03:00
Grzegorz Kowal
c1d7c9a52f EVOLUTION: Implement 3rd order 4-stage Runge-Kutta integraiton. 
Signed-off-by: Grzegorz Kowal <grzegorz@amuncode.org>
 2014-08-19 21:12:20 -03:00
Grzegorz Kowal
d59a5be1fc EVOLUTION: Implement 3rd order Runge-Kutta temporal integraiton. 
Signed-off-by: Grzegorz Kowal <grzegorz@amuncode.org>
 2014-08-19 20:50:49 -03:00
Grzegorz Kowal
fdf1274b28 EVOLUTION: Fix wrong function name iee_is_nan(). 
Signed-off-by: Grzegorz Kowal <grzegorz@amuncode.org>
 2014-08-13 07:43:14 -03:00
Grzegorz Kowal
39b560065d EVOLUTION: Use ieee_is_nan() instead of isnan() in IBM BG/P. 
Signed-off-by: Grzegorz Kowal <grzegorz@amuncode.org>
 2014-08-13 07:31:05 -03:00
Grzegorz Kowal
b5caafef4c EVOLUTION: Change real variables to double precision. 
Signed-off-by: Grzegorz Kowal <grzegorz@amuncode.org>
 2014-08-04 09:12:05 -03:00
Grzegorz Kowal
9d2b829179 EVOLUTION: Add check for NaNs in variables if DEBUG=Y. 
Signed-off-by: Grzegorz Kowal <grzegorz@amuncode.org>
 2014-07-14 13:25:30 -03:00
Grzegorz Kowal
ad7125f27b EVOLUTION: Correct line formatting in new_time_step(). 
Signed-off-by: Grzegorz Kowal <grzegorz@amuncode.org>
 2014-06-02 11:47:37 -03:00
Grzegorz Kowal
97054d050d EVOLUTION: Improve the stability for dt_hyd ~ dt_diff. 
Signed-off-by: Grzegorz Kowal <grzegorz@amuncode.org>
 2014-06-02 10:37:43 -03:00
Grzegorz Kowal
d5625ccb9f SOURCES: Implement resistive source term for MHD. 
Signed-off-by: Grzegorz Kowal <grzegorz@amuncode.org>
 2014-05-29 12:04:55 -03:00
Grzegorz Kowal
c292b88cbd SOURCES: Implement simple model of viscosity. 
Signed-off-by: Grzegorz Kowal <grzegorz@amuncode.org>
 2014-05-27 17:53:35 -03:00
Grzegorz Kowal
81bec38a77 EVOLUTION: Move here update_increment() from SCHEMES. 
Subroutine update_increment() was using time information which broke the
source term contribution. It has been moved to module EVOLUTION and its
arguments have been simplified.

The time step is now directly taken into account in the time integration
subroutines.

Signed-off-by: Grzegorz Kowal <grzegorz@amuncode.org>
 2014-05-27 16:29:53 -03:00
Grzegorz Kowal
8ac8248279 SOURCES: Add initial version of source terms module. 
This contains only point mass gravitational acceleration so far, as an
example.

Signed-off-by: Grzegorz Kowal <grzegorz@amuncode.org>
 2014-04-29 18:35:58 -03:00
Grzegorz Kowal
f874511673 EVOLUTION: Update primitive variables before boundaries. 
The new order is to first, convert the updated conserved variables to
their primitive representation in the block interiors, update boundaries
of the primitive variables, and finally, convert the primitive variables
at the ghost cells to conserved ones.

The change updates the primitive variables in the block interiors before
the boundary update.

Signed-off-by: Grzegorz Kowal <grzegorz@amuncode.org>
 2014-04-09 08:51:04 -03:00
Grzegorz Kowal
e0ca4b0392 SHAPES: Add new module to handle shapes embedded in domain. 
Signed-off-by: Grzegorz Kowal <grzegorz@amuncode.org>
 2014-02-07 12:12:27 -02:00
Grzegorz Kowal
1ed3747efb EVOLUTION: Turn on the selective update for refined blocks. 
Now, the selective update after refinement/derefinement process is on.
Before checking the refinement and update the mesh, We set all blocks to
not be updated. Then, only blocks which are refined or derefined
including all their neighbors, are set to be updated. This reduces the
repeated work, i.e. boundary update and variable conversion, on blocks
which didn't actually change.

After the mesh refinement, boundary and variable update, we mark all
blocks to be updated, so the regular temporal integration process works.

Signed-off-by: Grzegorz Kowal <grzegorz@amuncode.org>
 2014-01-23 10:58:15 -02:00
Grzegorz Kowal
d3dc784c5e EVOLUTION: Rewrite subroutine update_variables(). 
Now, primitive variables are calculated only for the blocks marked to be
updated.

Signed-off-by: Grzegorz Kowal <grzegorz@amuncode.org>
 2014-01-23 10:56:29 -02:00
Grzegorz Kowal
c01e0760fe DRIVER, IO: Implement precise snapshot times. 
Signed-off-by: Grzegorz Kowal <grzegorz@amuncode.org>
 2014-01-08 18:07:54 -02:00
Grzegorz Kowal
8009d6ff5c EVOLUTION: Rename n and t to step and time, respectively. 
Signed-off-by: Grzegorz Kowal <grzegorz@amuncode.org>
 2014-01-08 17:34:15 -02:00
Grzegorz Kowal
f422d5d399 EVOLUTION: Nullify pointers in finalize_evolution(). 
Signed-off-by: Grzegorz Kowal <grzegorz@amuncode.org>
 2014-01-02 12:18:04 -02:00
Grzegorz Kowal
788d328f7a Update years in copyright information. 
Signed-off-by: Grzegorz Kowal <grzegorz@amuncode.org>
 2014-01-02 11:52:59 -02:00
Grzegorz Kowal
360fc7a0c6 PROBLEMS: Rewrite blast problem. 
Signed-off-by: Grzegorz Kowal <grzegorz@amuncode.org>
 2013-12-12 16:09:47 -02:00
Grzegorz Kowal
e9d48d078f Make MHD equations work. 
Signed-off-by: Grzegorz Kowal <grzegorz@amuncode.org>
 2013-12-12 15:36:55 -02:00
Grzegorz Kowal
a59220bac3 EVOLUTION: Remove parameter dtini. 
Signed-off-by: Grzegorz Kowal <grzegorz@amuncode.org>
 2013-12-11 22:48:48 -02:00
Grzegorz Kowal
071a414969 EVOLUTION: Module rewrite. 
The time integration method can be chose now through the runtime
parameter 'time_advance'.

Signed-off-by: Grzegorz Kowal <grzegorz@amuncode.org>
 2013-12-11 10:59:25 -02:00
Grzegorz Kowal
1bd066f56f Remove dependency of the module VARIABLES. 
Signed-off-by: Grzegorz Kowal <grzegorz@amuncode.org>
 2013-12-10 21:36:35 -02:00
Grzegorz Kowal
f48950aa4d EQUATIONS: Completely rewrite this module. 
Now, module EQUATIONS provides a complet interface for equation systems,
including the definition of the number of equations/independent
variables, variable indices and names, conversion subroutines between
primitive and conservative variables, flux and characteristic speed
calculation, and maximum speed determination.

Signed-off-by: Grzegorz Kowal <grzegorz@amuncode.org>
 2013-12-10 20:56:37 -02:00
Grzegorz Kowal
386fd36f5e Update copyright line. 
Signed-off-by: Grzegorz Kowal <grzegorz@amuncode.org>
 2013-12-10 15:23:28 -02:00
Grzegorz Kowal
92e67b2f36 Fix an MPI bug in new_time_step(). 
The maximum level was estimated from the list of data blocks.  If we
have many processors, sometimes all blocks could lay at level smaller
than maxlev, what can cause wrong dx_min estimation and desyncronization
between processors.
 2012-08-03 02:48:38 -03:00
Grzegorz Kowal
b3a455fa52 Remove unused variables from advance() in EVOLUTION. 2012-08-02 23:45:53 -03:00
Grzegorz Kowal
1d02d28905 Rename subroutine boundary_correct_fluxes() to boundary_fluxes(). 2012-08-01 17:41:56 -03:00
Grzegorz Kowal
88bbafeeb4 Rename module SCHEME to SCHEMES and rewrite it completely. 2012-08-01 16:38:10 -03:00
Grzegorz Kowal
bbed8c41e5 Rewrite module EVOLUTION. Move update_interval() to SCHEME. 
Improve subroutine comments and remove unused code.
 2012-08-01 12:56:52 -03:00
Grzegorz Kowal
2413de249f Move maxspeed() to module EQUATIONS. 2012-08-01 12:16:38 -03:00
Grzegorz Kowal
fca524da42 Remove all remaining and unused evolution subroutines. 2012-07-31 17:43:11 -03:00
Grzegorz Kowal
abc6c263b0 Remove subroutine evolve(). 2012-07-31 17:40:34 -03:00
Grzegorz Kowal
bc57d406d1 Use primitive variables in maxspeed() and remove cons2prim(). 2012-07-31 16:55:00 -03:00
Grzegorz Kowal
db606cfa1a Use primitive variables in the Riemann solvers. 
There is no need to convert conservative variables to primitive ones,
since they are already up to date, so pass primitive variables directly
to Riemann solvers in subroutine update_flux().
 2012-07-31 16:49:14 -03:00
Grzegorz Kowal
272b40ddbb Move primitive variable update for all blocks to update_variables(). 2012-07-31 16:38:16 -03:00
Grzegorz Kowal
e0860d9afb Move variable interval calculation to update_interval(). 2012-07-31 16:23:20 -03:00
Grzegorz Kowal
3d5582f230 Remove flag CONSERVATIVE from advance_rk2(). 2012-07-31 16:04:43 -03:00
Grzegorz Kowal
68dc3de4d9 Move flux update of data blocks to update_fluxes(). 2012-07-31 16:02:59 -03:00