diff --git a/examples/FEM_Bar/FEM_p1_2d_coupled.yaml b/examples/FEM_Bar/FEM_p1_2d_coupled.yaml
index 40878f86..94f3c7d1 100644
--- a/examples/FEM_Bar/FEM_p1_2d_coupled.yaml
+++ b/examples/FEM_Bar/FEM_p1_2d_coupled.yaml
@@ -16,6 +16,9 @@ PeriLab:
     Element Type: "Lagrange"
     Degree: 1
     Material Model: "Mat_1"
+    Coupling:
+      Coupling Type: "Arlequin"
+      PD Weight: 0.5 # standard is 0.5
   Models:
     Material Models:
       Mat_1:
@@ -49,16 +52,16 @@ PeriLab:
       Type: Dirichlet
   Solver:
     Initial Time: 0.0
-    Final Time: 1e-04
+    Final Time: 2e-04
     Verlet:
       Safety Factor: 1.00
       Numerical Damping: 1e-05
-      Fixed dt: 5e-9
+      Fixed dt: 1e-9
   Outputs:
     Output1:
       Output Filename: "FEM_p1_2d_coupled"
       Output File Type: Exodus
-      Output Frequency: 100
+      Output Frequency: 500
       Output Variables:
         Cauchy Stress: True
         Displacements: True
diff --git a/src/FEM/Coupling/Arlequin_coupling.jl b/src/FEM/Coupling/Arlequin_coupling.jl
index 7320400c..59e3c539 100644
--- a/src/FEM/Coupling/Arlequin_coupling.jl
+++ b/src/FEM/Coupling/Arlequin_coupling.jl
@@ -175,7 +175,7 @@ function compute_coupling_matrix(
     I = ones(1, 1)
     Np = [N1p N2p N3p N4p]
 
-    local_coupl_matrix = kappa * [I -Np; -Np' Np'*Np]
+    local_coupl_matrix = kappa * [I Np; Np' Np'*Np]
 
     return local_coupl_matrix
 end
diff --git a/src/Models/Model_Factory.jl b/src/Models/Model_Factory.jl
index 2ad97152..df1360e4 100644
--- a/src/Models/Model_Factory.jl
+++ b/src/Models/Model_Factory.jl
@@ -148,17 +148,7 @@ function compute_models(
 )
     fem_option = datamanager.fem_active()
     if fem_option
-        # no damage occur here. Therefore, it runs one time
         fe_nodes = datamanager.get_field("FE Nodes")
-        nelements = datamanager.get_num_elements()
-        # in future the FE analysis can be put into the block loop. Right now it is outside the block.
-        @timeit to "FEM eval" datamanager = FEM.eval(
-            datamanager,
-            Vector{Int64}(1:nelements),
-            datamanager.get_properties(1, "FEM"),
-            time,
-            dt,
-        )
     end
 
     active_list = datamanager.get_field("Active")
@@ -284,14 +274,24 @@ function compute_models(
     end
 
     if fem_option
+        @timeit to "FEM" begin
+            nelements = datamanager.get_num_elements()
+            active_nodes =
+                find_active_nodes(fe_nodes, active_nodes, 1:datamanager.get_nnodes(), false)
 
-        active_nodes =
-            find_active_nodes(fe_nodes, active_nodes, 1:datamanager.get_nnodes(), false)
-        @timeit to "FEM_PD_coupling" datamanager = FEM.Coupling_PD_FEM.compute_coupling(
-            datamanager,
-            active_nodes,
-            datamanager.get_properties(1, "FEM"),
-        )
+            @timeit to "eval" datamanager = FEM.eval(
+                datamanager,
+                Vector{Int64}(1:nelements),
+                datamanager.get_properties(1, "FEM"),
+                time,
+                dt,
+            )
+            @timeit to "coupling" datamanager = FEM.Coupling_PD_FEM.compute_coupling(
+                datamanager,
+                active_nodes,
+                datamanager.get_properties(1, "FEM"),
+            )
+        end
     end
 
     #=
diff --git a/test/fullscale_tests/test_DCB/Reference/DCBmodel_unified_bb.e b/test/fullscale_tests/test_DCB/Reference/DCBmodel_unified_bb.e
index 2e110cc9..dc9037d1 100644
Binary files a/test/fullscale_tests/test_DCB/Reference/DCBmodel_unified_bb.e and b/test/fullscale_tests/test_DCB/Reference/DCBmodel_unified_bb.e differ
diff --git a/test/fullscale_tests/test_DCB/test_DCB.jl b/test/fullscale_tests/test_DCB/test_DCB.jl
index 3c8453fe..87812f3f 100644
--- a/test/fullscale_tests/test_DCB/test_DCB.jl
+++ b/test/fullscale_tests/test_DCB/test_DCB.jl
@@ -6,6 +6,7 @@
 
 folder_name = basename(@__FILE__)[1:end-3]
 cd("fullscale_tests/" * folder_name) do
+    run_perilab("DCBmodel_unified_bb", 1, true, folder_name)
     run_perilab("DCBmodel_correspondence", 1, true, folder_name)
     # run_perilab("DCBmodel_UMAT", 1, true, folder_name)
     run_perilab("DCBmodel_PD_solid", 1, true, folder_name)
diff --git a/test/runtests.jl b/test/runtests.jl
index 5a122cda..d6e5d99c 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -293,8 +293,11 @@ MPI.Init()
         @testset "test_point_wise_material" begin
             include("fullscale_tests/test_point_wise_material/test_point_wise_material.jl")
         end
+        @testset "test_FEM_coupling" begin
+            #   include("fullscale_tests/test_FEM_coupling/test_FEM_coupling.jl")
+        end
         @testset "test_FEM" begin
-            include("fullscale_tests/test_FEM_coupling/test_FEM_coupling.jl")
+            include("fullscale_tests/test_FEM/test_FEM.jl")
         end
     end
 
diff --git a/test/unit_tests/Compute/ut_compute_field_values.jl b/test/unit_tests/Compute/ut_compute_field_values.jl
index c59a7c11..423c2a83 100644
--- a/test/unit_tests/Compute/ut_compute_field_values.jl
+++ b/test/unit_tests/Compute/ut_compute_field_values.jl
@@ -4,6 +4,7 @@
 
 using Test
 # include("../../../src/Core/Data_manager.jl")
+include("../../../src/Support/Helpers.jl")
 include("../../../src/Compute/compute_field_values.jl")
 @testset "ut_get_forces_from_force_density" begin
     test_data_manager = PeriLab.Data_manager
diff --git a/test/unit_tests/FEM/ut_FEM_routines.jl b/test/unit_tests/FEM/ut_FEM_routines.jl
index eb5ebffc..188073c8 100644
--- a/test/unit_tests/FEM/ut_FEM_routines.jl
+++ b/test/unit_tests/FEM/ut_FEM_routines.jl
@@ -2,9 +2,17 @@
 #
 # SPDX-License-Identifier: BSD-3-Clause
 include("../../../src/FEM/FEM_routines.jl")
-include("../../../src/FEM/Element_formulation/lagrange_element.jl")
 # include("../../../src/PeriLab.jl")
-
+using .FEM_routines:
+    create_element_matrices,
+    get_Jacobian,
+    get_polynomial_degree,
+    get_number_of_integration_points,
+    create_element_matrices,
+    get_lumped_mass,
+    get_weights_and_integration_points,
+    get_multi_dimensional_integration_point_data,
+    get_FE_material_model
 # using .PeriLab
 using Test