Fix theta and sum_theta. Add second member b=0 for Dirichlet BC.

src/scheme/ScalarNodalScheme.cpp

@@ -518,7 +518,7 @@ class ScalarNodalSchemeHandler::ScalarNodalScheme : public ScalarNodalSchemeHand
             const auto& cell_nodes = cell_to_node_matrix[cell_id];
             for (size_t i_node = 0; i_node < cell_nodes.size(); ++i_node) {
               const NodeId node_id = cell_nodes[i_node];
-              if (not is_boundary_node[node_id]) {
+              if (is_boundary_node[node_id] && not node_is_corner[node_id]) {
                 compute_theta(cell_id, i_node) = dot(inverse(node_betar[node_id]) * Cjr(cell_id, i_node), v[node_id]);
               }
             }
@@ -530,6 +530,7 @@ class ScalarNodalSchemeHandler::ScalarNodalScheme : public ScalarNodalSchemeHand
         NodeValue<double> compute_sum_theta{mesh->connectivity()};
         parallel_for(
           mesh->numberOfNodes(), PUGS_LAMBDA(NodeId node_id) {
+            if ((is_boundary_node[node_id]) && (not node_is_corner[node_id])) {
               const auto& node_to_cell                  = node_to_cell_matrix[node_id];
               const auto& node_local_number_in_its_cell = node_local_numbers_in_their_cells.itemArray(node_id);
               compute_sum_theta[node_id]                = 0;
@@ -538,6 +539,7 @@ class ScalarNodalSchemeHandler::ScalarNodalScheme : public ScalarNodalSchemeHand
                 const size_t i_node  = node_local_number_in_its_cell[i_cell];
                 compute_sum_theta[node_id] += theta(cell_id, i_node);
               }
+            }
           });
         return compute_sum_theta;
       }();
@@ -627,6 +629,20 @@ class ScalarNodalSchemeHandler::ScalarNodalScheme : public ScalarNodalSchemeHand
             }
             b[cell_id] += 0.5 * node_boundary_values[node_id] * sum_mes_l;
           }
+        } else if (node_is_dirichlet[node_id]) {
+          if (is_boundary_node[node_id] && (not node_is_corner[node_id])) {
+            for (size_t i_cell = 0; i_cell < node_to_cell.size(); ++i_cell) {
+              const CellId cell_id = node_to_cell[i_cell];
+
+              b[cell_id] += 0;
+            }
+          } else if (node_is_corner[node_id]) {
+            for (size_t i_cell = 0; i_cell < node_to_cell.size(); ++i_cell) {
+              const CellId cell_id = node_to_cell[i_cell];
+
+              b[cell_id] += 0;
+            }
+          }
         };
 
         Vector<double> T{mesh->numberOfCells()};