diff --git a/src/scheme/AcousticSolver.cpp b/src/scheme/AcousticSolver.cpp
index 90998d3aba2e9ecf0a9b5c4e8961c7b87889eaa5..e4db63bd7ec57502c08a1e3f212386ebe8215859 100644
--- a/src/scheme/AcousticSolver.cpp
+++ b/src/scheme/AcousticSolver.cpp
@@ -371,8 +371,8 @@ class AcousticSolverHandler::AcousticSolver final : public AcousticSolverHandler
                  const std::shared_ptr<const DiscreteFunctionVariant>& p_v,
                  const std::vector<std::shared_ptr<const IBoundaryConditionDescriptor>>& bc_descriptor_list) const
   {
-    std::shared_ptr i_mesh = getCommonMesh({rho_v, c_v, u_v, p_v});
-    if (not i_mesh) {
+    std::shared_ptr mesh_v = getCommonMesh({rho_v, c_v, u_v, p_v});
+    if (not mesh_v) {
       throw NormalError("discrete functions are not defined on the same mesh");
     }
 
@@ -380,7 +380,7 @@ class AcousticSolverHandler::AcousticSolver final : public AcousticSolverHandler
       throw NormalError("acoustic solver expects P0 functions");
     }
 
-    const MeshType& mesh              = *i_mesh->get<MeshType>();
+    const MeshType& mesh              = *mesh_v->get<MeshType>();
     const DiscreteScalarFunction& rho = rho_v->get<DiscreteScalarFunction>();
     const DiscreteScalarFunction& c   = c_v->get<DiscreteScalarFunction>();
     const DiscreteVectorFunction& u   = u_v->get<DiscreteVectorFunction>();
@@ -474,8 +474,8 @@ class AcousticSolverHandler::AcousticSolver final : public AcousticSolverHandler
                const std::shared_ptr<const ItemValueVariant>& ur,
                const std::shared_ptr<const SubItemValuePerItemVariant>& Fjr) const
   {
-    std::shared_ptr i_mesh = getCommonMesh({rho_v, u_v, E_v});
-    if (not i_mesh) {
+    std::shared_ptr mesh_v = getCommonMesh({rho_v, u_v, E_v});
+    if (not mesh_v) {
       throw NormalError("discrete functions are not defined on the same mesh");
     }
 
@@ -484,7 +484,7 @@ class AcousticSolverHandler::AcousticSolver final : public AcousticSolverHandler
     }
 
     return this->apply_fluxes(dt,                                     //
-                              *i_mesh->get<MeshType>(),               //
+                              *mesh_v->get<MeshType>(),               //
                               rho_v->get<DiscreteScalarFunction>(),   //
                               u_v->get<DiscreteVectorFunction>(),     //
                               E_v->get<DiscreteScalarFunction>(),     //
@@ -863,9 +863,9 @@ class AcousticSolverHandler::AcousticSolver<MeshType>::SymmetryBoundaryCondition
   ~SymmetryBoundaryCondition() = default;
 };
 
-AcousticSolverHandler::AcousticSolverHandler(const std::shared_ptr<const MeshVariant>& i_mesh)
+AcousticSolverHandler::AcousticSolverHandler(const std::shared_ptr<const MeshVariant>& mesh_v)
 {
-  if (not i_mesh) {
+  if (not mesh_v) {
     throw NormalError("discrete functions are not defined on the same mesh");
   }
 
@@ -878,5 +878,5 @@ AcousticSolverHandler::AcousticSolverHandler(const std::shared_ptr<const MeshVar
         throw NormalError("unexpected mesh type");
       }
     },
-    i_mesh->variant());
+    mesh_v->variant());
 }
diff --git a/src/scheme/HyperelasticSolver.cpp b/src/scheme/HyperelasticSolver.cpp
index d88067f982e244a53cb6f87d062e404392188a69..7bc6cd8c0dc854ecaa8caa2d8809891ed328790d 100644
--- a/src/scheme/HyperelasticSolver.cpp
+++ b/src/scheme/HyperelasticSolver.cpp
@@ -388,8 +388,8 @@ class HyperelasticSolverHandler::HyperelasticSolver final : public HyperelasticS
                  const std::shared_ptr<const DiscreteFunctionVariant>& sigma_v,
                  const std::vector<std::shared_ptr<const IBoundaryConditionDescriptor>>& bc_descriptor_list) const
   {
-    std::shared_ptr i_mesh = getCommonMesh({rho_v, aL_v, aT_v, u_v, sigma_v});
-    if (not i_mesh) {
+    std::shared_ptr mesh_v = getCommonMesh({rho_v, aL_v, aT_v, u_v, sigma_v});
+    if (not mesh_v) {
       throw NormalError("discrete functions are not defined on the same mesh");
     }
 
@@ -397,7 +397,7 @@ class HyperelasticSolverHandler::HyperelasticSolver final : public HyperelasticS
       throw NormalError("hyperelastic solver expects P0 functions");
     }
 
-    const MeshType& mesh                = *i_mesh->get<MeshType>();
+    const MeshType& mesh                = *mesh_v->get<MeshType>();
     const DiscreteScalarFunction& rho   = rho_v->get<DiscreteScalarFunction>();
     const DiscreteVectorFunction& u     = u_v->get<DiscreteVectorFunction>();
     const DiscreteScalarFunction& aL    = aL_v->get<DiscreteScalarFunction>();
@@ -505,8 +505,8 @@ class HyperelasticSolverHandler::HyperelasticSolver final : public HyperelasticS
                const std::shared_ptr<const ItemValueVariant>& ur,
                const std::shared_ptr<const SubItemValuePerItemVariant>& Fjr) const
   {
-    std::shared_ptr i_mesh = getCommonMesh({rho, u, E});
-    if (not i_mesh) {
+    std::shared_ptr mesh_v = getCommonMesh({rho, u, E});
+    if (not mesh_v) {
       throw NormalError("discrete functions are not defined on the same mesh");
     }
 
@@ -515,7 +515,7 @@ class HyperelasticSolverHandler::HyperelasticSolver final : public HyperelasticS
     }
 
     return this->apply_fluxes(dt,                                   //
-                              *i_mesh->get<MeshType>(),             //
+                              *mesh_v->get<MeshType>(),             //
                               rho->get<DiscreteScalarFunction>(),   //
                               u->get<DiscreteVectorFunction>(),     //
                               E->get<DiscreteScalarFunction>(),     //
@@ -939,9 +939,9 @@ class HyperelasticSolverHandler::HyperelasticSolver<MeshType>::SymmetryBoundaryC
   ~SymmetryBoundaryCondition() = default;
 };
 
-HyperelasticSolverHandler::HyperelasticSolverHandler(const std::shared_ptr<const MeshVariant>& i_mesh)
+HyperelasticSolverHandler::HyperelasticSolverHandler(const std::shared_ptr<const MeshVariant>& mesh_v)
 {
-  if (not i_mesh) {
+  if (not mesh_v) {
     throw NormalError("discrete functions are not defined on the same mesh");
   }
 
@@ -954,5 +954,5 @@ HyperelasticSolverHandler::HyperelasticSolverHandler(const std::shared_ptr<const
         throw NormalError("unexpected mesh type");
       }
     },
-    i_mesh->variant());
+    mesh_v->variant());
 }