Two scale heat conduction: Enable running DuMux participants in paral…

…lel (precice#528) * [two-scale-heat-conduction] run micro-dumux in parallel * [two-scale-heat-conduction] run macro-dumux in parallel * [two-scale-heat-conduction] dumux can be run in parallel * [two-scale-heat-conduction] remove unnecessary <numbers> include
BenjaminRodenberg · Apr 23, 2024 · a82eb16 · a82eb16
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diff --git a/two-scale-heat-conduction/README.md b/two-scale-heat-conduction/README.md
@@ -59,7 +59,7 @@ If you want to use DuMu<sup>x</sup>, use `cd macro-dumux` instead of `cd macro-n
 
 ## Running the simulation in parallel
 
-Only the `micro-nutils` participant can be run in parallel. To run it in parallel, run:
+All but the `macro-nutils` participant can be run in parallel. To run a participant in parallel, e.g. `micro-nutils`, run:
 
 ```bash
 cd micro-nutils
@@ -78,7 +78,7 @@ Here are the results from Nutils-Nutils and DuMu<sup>x</sup>-DuMu<sup>x</sup> co
 
 <img class="img-responsive" src="images/tutorials-two-scale-heat-conduction-results.png" alt="Macro and micro data of macro-nutils - micro-nutils simulation" width=50% height=30%/>
 
-<img class="img-responsive" src="images/tutorials-two-scale-heat-conduction-results-du-du.png" alt="Macro and micro data of macro-nutils - micro-nutils simulation" width=50% height=30%/>
+<img class="img-responsive" src="images/tutorials-two-scale-heat-conduction-results-du-du.png" alt="Macro and micro data of macro-dumux - micro-dumux simulation" width=50% height=30%/>
 
 The differences of the fields are mainly introduced in by the different numerical schemes in the two solvers.
 

diff --git a/two-scale-heat-conduction/macro-dumux/run.sh b/two-scale-heat-conduction/macro-dumux/run.sh
@@ -4,6 +4,26 @@ set -e -u
 . ../../tools/log.sh
 exec > >(tee --append "$LOGFILE") 2>&1
 
-./macro_dumux params.input
+usage() { echo "Usage: cmd [-s] [-p n]" 1>&2; exit 1; }
+
+# Check if no input argument was provided
+if [ -z "$*" ] ; then
+  echo "No input argument provided. Macro solver is launched in serial"
+  ./macro_dumux params.input
+fi
+
+while getopts ":sp" opt; do
+  case ${opt} in
+  s)
+    ./macro_dumux params.input
+    ;;
+  p)
+    mpiexec -n "$2" macro_dumux params.input
+    ;;
+  *)
+    usage
+    ;;
+  esac
+done
 
 close_log
diff --git a/two-scale-heat-conduction/micro-dumux/appl/CMakeLists.txt b/two-scale-heat-conduction/micro-dumux/appl/CMakeLists.txt
@@ -7,6 +7,7 @@ set(pybind11_DIR "${SITE_PACKAGES_DIR}/pybind11/share/cmake/pybind11/")
 
 find_package(pybind11 CONFIG REQUIRED)
 pybind11_add_module(micro_sim micro_sim.cpp)
+target_compile_options(micro_sim PUBLIC -DENABLE_MPI=0)
 
 #copy all source code to build directory to make available to pybind
 add_custom_target(copy_micro_heat_all ALL

diff --git a/two-scale-heat-conduction/micro-dumux/appl/micro_sim.cpp b/two-scale-heat-conduction/micro-dumux/appl/micro_sim.cpp
@@ -7,7 +7,6 @@
 #include <ctime>
 #include <fstream>
 #include <iostream>
-#include <numbers>
 #include <vector>
 
 #include <dune/common/timer.hh>

diff --git a/two-scale-heat-conduction/micro-dumux/micro-manager-config.json b/two-scale-heat-conduction/micro-dumux/micro-manager-config.json
@@ -9,6 +9,7 @@
     },
     "simulation_params": {
       "macro_domain_bounds": [0.0, 1.0, 0.0, 0.5],
+      "decomposition": [2, 1],
       "adaptivity": {
             "type": "global",
             "data": ["k_00", "k_11", "porosity", "concentration"],