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test: random particle generator serialization #7244

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97 changes: 97 additions & 0 deletions tests/checkpoint_13_particle_generator_random.cc
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/*
Copyright (C) 2022 by the authors of the ASPECT code.

This file is part of ASPECT.

ASPECT is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.

ASPECT is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with ASPECT; see the file LICENSE. If not see
<http://www.gnu.org/licenses/>.
*/

#include <aspect/simulator.h>
#include <iostream>

/*
* Launch the following function when this plugin is created. Launch ASPECT
* twice to test checkpoint/resume and then terminate the outer ASPECT run.
*/
int f()
{
std::cout << "* starting from beginning:" << std::endl;

// call ASPECT with "--" and pipe an existing input file into it.
int ret;
std::string command;

command = ("cd output-checkpoint_13_particle_generator_random ; "
"rm -rf output1.tmp ; "
"(cat " ASPECT_SOURCE_DIR "/tests/checkpoint_13_particle_generator_random.prm "
" ; "
" echo 'set Output directory = output1.tmp' "
") "
"| env -i OMPI_ALLOW_RUN_AS_ROOT=1 OMPI_ALLOW_RUN_AS_ROOT_CONFIRM=1 PATH=\"$PATH\" mpirun --oversubscribe -np 2 ../../aspect -- > /dev/null");
std::cout << "Executing the following command:\n"
<< command
<< std::endl;
ret = system (command.c_str());
if (ret!=0)
std::cout << "system() returned error " << ret << std::endl;

command = ("cd output-checkpoint_13_particle_generator_random ; "
" rm -rf output2.tmp ; mkdir output2.tmp ; "
" mv output1.tmp/restart output2.tmp/");
std::cout << "Executing the following command:\n"
<< command
<< std::endl;
ret = system (command.c_str());
if (ret!=0)
std::cout << "system() returned error " << ret << std::endl;


std::cout << "* now resuming:" << std::endl;
command = ("cd output-checkpoint_13_particle_generator_random ; "
"(cat " ASPECT_SOURCE_DIR "/tests/checkpoint_13_particle_generator_random.prm "
" ; "
" echo 'set Output directory = output2.tmp' "
" ; "
" echo 'set Resume computation = true' "
") "
"| env -i OMPI_ALLOW_RUN_AS_ROOT=1 OMPI_ALLOW_RUN_AS_ROOT_CONFIRM=1 PATH=\"$PATH\" mpirun --oversubscribe -np 2 ../../aspect -- > /dev/null");
std::cout << "Executing the following command:\n"
<< command
<< std::endl;
ret = system (command.c_str());
if (ret!=0)
std::cout << "system() returned error " << ret << std::endl;

std::cout << "* now comparing:" << std::endl;

ret = system ("cd output-checkpoint_13_particle_generator_random ; "
"cp output1.tmp/particles/particles-00006.0000.gnuplot particles-00006.0000.gnuplot1;"
"cp output2.tmp/particles/particles-00006.0000.gnuplot particles-00006.0000.gnuplot2;"
"cp output1.tmp/log.txt log.txt1;"
"cp output2.tmp/log.txt log.txt2;"
"cp output1.tmp/statistics statistics1;"
"cp output2.tmp/statistics statistics2;"
"");
if (ret!=0)
std::cout << "system() returned error " << ret << std::endl;

// terminate current process:
exit (0);
return 42;
}


// run this function by initializing a global variable by it
int i = f();
104 changes: 104 additions & 0 deletions tests/checkpoint_13_particle_generator_random.prm
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# Test checkpoint/restart of Particle::Generator::Interface's random-number
# generator. The checkpoint at step 4 precedes refinement at model time 0.5.
# Refinement creates underpopulated cells, which triggers random particle
# insertion. The continuous and resumed particle locations are compared at
# step 6.

set Dimension = 2
set CFL number = 1.0
set Maximum time step = 0.1
set End time = 0.6
set Start time = 0
set Adiabatic surface temperature = 0
set Surface pressure = 0
set Use years instead of seconds = false
set Nonlinear solver scheme = single Advection, single Stokes

subsection Checkpointing
set Steps between checkpoint = 4
end

subsection Gravity model
set Model name = vertical
end

subsection Geometry model
set Model name = box

subsection Box
set X extent = 1.2
set Y extent = 1
set Z extent = 1
end
end

subsection Initial temperature model
set List of model names = perturbed box
end

subsection Material model
set Model name = simple

subsection Simple model
set Reference density = 1
set Reference specific heat = 1250
set Reference temperature = 1
set Thermal conductivity = 1e-6
set Thermal expansion coefficient = 2e-5
set Viscosity = 1
end
end

subsection Mesh refinement
set Initial adaptive refinement = 0
set Initial global refinement = 5
set Time steps between mesh refinement = 5
set Additional refinement times = 0.5
set Strategy = minimum refinement function

subsection Minimum refinement function
set Variable names = x,y,t
set Function expression = if(t > 0.4, 6, 5)
end
end

subsection Boundary velocity model
set Tangential velocity boundary indicators = 1
set Zero velocity boundary indicators = 0, 2, 3
end

subsection Postprocess
set List of postprocessors = composition statistics, temperature statistics, velocity statistics, particles

subsection Particles
set Time between data output = 0
set Data output format = ascii
end
end

subsection Termination criteria
set Checkpoint on termination = false
end

subsection Solver parameters
subsection Stokes solver parameters
set Use direct solver for Stokes system = true
end
end

subsection Particles
set List of particle properties = function, initial position, position, velocity
set Minimum particles per cell = 2
set Load balancing strategy = add particles

subsection Function
set Variable names = x,z
set Function expression = if( (z>0.2+0.02*cos(pi*x/0.9142)) , 0 , 1 )
end

subsection Generator
subsection Random uniform
set Number of particles = 1000
end
end
end
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