[Cleanup] Use camelCase

src/enum_state_model.cc

 #include <dune/common/exceptions.hh>
 
-template <> struct StringToEnum<Config::state_model> {
-  static Config::state_model convert(std::string const &s) {
+template <> struct StringToEnum<Config::stateModel> {
+  static Config::stateModel convert(std::string const &s) {
     if (s == "Dieterich")
       return Config::Dieterich;
 

src/enums.hh

@@ -2,7 +2,7 @@
 #define ENUMS_HH
 
 struct Config {
-  enum state_model {
+  enum stateModel {
     Dieterich,
     Ruina
   };

src/one-body-sample.cc

@@ -119,7 +119,7 @@ initTimeStepper(Config::scheme scheme,
 
 template <class SingletonVectorType, class VectorType>
 Dune::shared_ptr<StateUpdater<SingletonVectorType, VectorType>>
-initStateUpdater(Config::state_model model,
+initStateUpdater(Config::stateModel model,
                  SingletonVectorType const &alpha_initial,
                  Dune::BitSetVector<1> const &frictionalNodes,
                  FrictionData const &fd) {
@@ -347,7 +347,7 @@ int main(int argc, char *argv[]) {
     // {{{ Initial conditions
     SingletonVectorType alpha_initial(finestSize);
     alpha_initial =
-        std::log(parset.get<double>("boundary.friction.initial_state"));
+        std::log(parset.get<double>("boundary.friction.initialState"));
 
     using LinearFactoryType = SolverFactory<
         dims, BlockNonlinearTNNMGProblem<ConvexProblem<
@@ -467,7 +467,7 @@ int main(int argc, char *argv[]) {
                         velocityDirichletFunction, velocityDirichletNodes, M, A,
                         u_initial, v_initial, a_initial);
     auto stateUpdater = initStateUpdater<SingletonVectorType, VectorType>(
-        parset.get<Config::state_model>("boundary.friction.state_model"),
+        parset.get<Config::stateModel>("boundary.friction.stateModel"),
         alpha_initial, frictionalNodes, frictionData);
 
     auto const timesteps = parset.get<size_t>("timeSteps");

src/one-body-sample.parset

@@ -52,5 +52,5 @@ a = 0.010
 b = 0.015
 V0 = 1e-6
 L = 1e-5
-initial_state = 4.54e-05 # exp(-10)
-state_model = Dieterich
+initialState = 4.54e-05 # exp(-10)
+stateModel = Dieterich