Fix typo in OBB scheme

* Fix typo by renaming OOB scheme to OBB scheme.
* Add warning for experimental DG settings.

doc/default_files/richards-parameters.xml

@@ -334,13 +334,14 @@ adding an empty line, make text **bold** or ``monospaced``.
 
         **NIPG:** Non-Symmetric Interior Penalty
 
-        **OOB:** Oden, Babuska, Baumann: no penalty term
+        **OBB:** Oden, Babuska, Baumann: no penalty term
 
         **IIP:** Incomplete Interior Penalty: no symmetry term
       </definition>
-      <values> SIPG, NIPG, OOB, IIP </values>
+      <values> SIPG, NIPG, OBB, IIP </values>
       <suggestion> SIPG </suggestion>
-      <comment> Experimental settings are enabled by the appropriate CMake flag.
+      <comment> Only change these settings if you are sure about what you
+        are doing!
       </comment>
     </parameter>
 

dune/dorie/model/richards/adaptivity/operator_error_indicator.hh

@@ -70,7 +70,7 @@ namespace Dune {
         penalty_factor(config.get<RF>("numerics.penaltyFactor")),
         time(0.0)
       {
-        if (method_ == RichardsDGMethod::OOB)
+        if (method_ == RichardsDGMethod::OBB)
           penalty_factor = 0.0;
       }
 
@@ -310,4 +310,4 @@ namespace Dune {
   } // namespace Dorie
 } // namespace Dune
 
-#endif // DUNE_DORIE_ERROR_INDICATOR_HH
\ No newline at end of file
+#endif // DUNE_DORIE_ERROR_INDICATOR_HH

dune/dorie/model/richards/local_operator.hh

@@ -32,7 +32,7 @@ struct RichardsDGMethod
 {
   enum Type { NIPG, //!< Non-symmetric interior penalty
               SIPG, //!< Symmetric interior penalty (default)
-              OOB, //!< Oden, Babuska, Baumann (no penalty term)
+              OBB, //!< Oden, Babuska, Baumann (no penalty term)
               IIP //!< Incomplete interior penalty (no symmetry)
             };
 };
@@ -88,8 +88,8 @@ inline auto read_experimental_operator_settings(
     method = RichardsDGMethod::SIPG;
   else if (method_str == "NIPG")
     method = RichardsDGMethod::NIPG;
-  else if (method_str == "OOB")
-    method = RichardsDGMethod::OOB;
+  else if (method_str == "OBB")
+    method = RichardsDGMethod::OBB;
   else if (method_str == "IIP")
     method = RichardsDGMethod::IIP;
   else {
@@ -230,12 +230,12 @@ public:
     cache(20)
   {
     theta = 0.; // IIP
-    if (method == RichardsDGMethod::NIPG || method == RichardsDGMethod::OOB)
+    if (method == RichardsDGMethod::NIPG || method == RichardsDGMethod::OBB)
       theta = 1.;
     else if (method == RichardsDGMethod::SIPG)
       theta = -1.;
 
-    if (method == RichardsDGMethod::OOB)
+    if (method == RichardsDGMethod::OBB)
       penalty_factor = 0.;
   }