cleaner code

applications/solvers/lagrangian/porousExplicitSourceReactingParcelFoam/readAdditionalSolutionControls.H

 dictionary additional = mesh.solutionDict().subDict("additional");
 
-bool dpdt = true;
-if (additional.found("dpdt"))
-{
-    additional.lookup("dpdt") >> dpdt;
-}
-
-bool eWork = true;
-if (additional.found("eWork"))
-{
-    additional.lookup("eWork") >> eWork;
-}
-
-bool hWork = true;
-if (additional.found("hWork"))
-{
-    additional.lookup("hWork") >> hWork;
-}
-
+bool dpdt = additional.lookupOrDefault("dpdt", true);
+bool eWork = additional.lookupOrDefault("eWork", true);
+bool hWork = additional.lookupOrDefault("hWork", true);