Merge branch 'TM_fixing' into 'master'

[TM] Fixed the integration order for IP data I/O

See merge request ogs/ogs!3464

ProcessLib/ThermoMechanics/ThermoMechanicsProcess.cpp

@@ -49,7 +49,7 @@ ThermoMechanicsProcess<DisplacementDim>::ThermoMechanicsProcess(
         std::make_unique<IntegrationPointWriter>(
             "sigma_ip",
             static_cast<int>(mesh.getDimension() == 2 ? 4 : 6) /*n components*/,
-            2 /*integration order*/, [this]() {
+            integration_order, [this]() {
                 // Result containing integration point data for each local
                 // assembler.
                 std::vector<std::vector<double>> result;
@@ -69,7 +69,7 @@ ThermoMechanicsProcess<DisplacementDim>::ThermoMechanicsProcess(
         std::make_unique<IntegrationPointWriter>(
             "epsilon_ip",
             static_cast<int>(mesh.getDimension() == 2 ? 4 : 6) /*n components*/,
-            2 /*integration order*/, [this]() {
+            integration_order, [this]() {
                 // Result containing integration point data for each local
                 // assembler.
                 std::vector<std::vector<double>> result;
@@ -89,7 +89,7 @@ ThermoMechanicsProcess<DisplacementDim>::ThermoMechanicsProcess(
         std::make_unique<IntegrationPointWriter>(
             "epsilon_m_ip",
             static_cast<int>(mesh.getDimension() == 2 ? 4 : 6) /*n components*/,
-            2 /*integration order*/, [this]() {
+            integration_order, [this]() {
                 // Result containing integration point data for each local
                 // assembler.
                 std::vector<std::vector<double>> result;