diff --git a/UNICADOworkflow/src/parameter_study/prepare_resume_of_parameter_study.py b/UNICADOworkflow/src/parameter_study/prepare_resume_of_parameter_study.py
index fbe16c251a34d6d2e9772dd2fab47019443a1b66..38fa73301ea7dfd26a6ae22da6ef971677ab8ed9 100644
--- a/UNICADOworkflow/src/parameter_study/prepare_resume_of_parameter_study.py
+++ b/UNICADOworkflow/src/parameter_study/prepare_resume_of_parameter_study.py
@@ -130,7 +130,7 @@ def prepare_resume_of_parameter_study(paths_and_names, path_to_folder_old_refere
 
         # create new aircraft project folder in temporary working directory
         if not os.path.isdir(temporary_working_directory + '/' + aircraft_project[:-4]):
-            os.makedirs(temporary_working_directory + '/' + aircraft_project[:-4] + '/cleanSheetDesign')
+            os.makedirs(temporary_working_directory + '/' + aircraft_project[:-4] + '/clean_sheet_design')
 
         # create new temporary result folder in temporary working directory
         if not os.path.isdir(temporary_working_directory + '/temporaryResults'):
@@ -197,11 +197,11 @@ def prepare_resume_of_parameter_study(paths_and_names, path_to_folder_old_refere
                         if os.path.isdir(path_to_folder_old_reference + element + '/' + result):
                             shutil.copytree(path_to_folder_old_reference + element + '/' + result,
                                             temporary_working_directory + '/' + aircraft_project[:-4]
-                                            + '/cleanSheetDesign/' + result)
+                                            + '/clean_sheet_design/' + result)
                         else:
                             shutil.copyfile(path_to_folder_old_reference + element + '/' + result,
                                             temporary_working_directory + '/' + aircraft_project[:-4]
-                                            + '/cleanSheetDesign/' + result)
+                                            + '/clean_sheet_design/' + result)
 
             # else condition: current element is a file -> copy file to temporary working directory
             else:
diff --git a/UNICADOworkflow/src/pre_condition/set_configuration_parameter.py b/UNICADOworkflow/src/pre_condition/set_configuration_parameter.py
index a765e31b6feecb12a6515ed9184ce07046c0ea0f..dc26ceef03b362e717b6a48e05a7fd5df8a25197 100644
--- a/UNICADOworkflow/src/pre_condition/set_configuration_parameter.py
+++ b/UNICADOworkflow/src/pre_condition/set_configuration_parameter.py
@@ -434,7 +434,7 @@ def set_configuration_parameter(paths_and_names, global_loop_counter):
             # delete current folder from project folder
             while_count = 0
             while True:
-                if os.path.isdir(path_to_project + element) and not element == 'cleanSheetDesign' \
+                if os.path.isdir(path_to_project + element) and not element == 'clean_sheet_design' \
                         and not element == 'retrofitDesign':
                     try:
                         shutil.rmtree(path_to_project + element)
@@ -717,7 +717,7 @@ def set_configuration_parameter(paths_and_names, global_loop_counter):
                                     break
 
                     # check if retrofit design is selected
-                    #  -> if true: -> skipp set parameter to initial_sizing configuration file
+                    #  -> if true: -> skip set parameter to initial_sizing configuration file
                     file_name_list = []
                     if not skip_initial_sizing_flag and not file_name == "cpacs_interface":
                         file_name_list.append(file_name)
diff --git a/UNICADOworkflow/src/sub_function/prepare_single_mission_analysis.py b/UNICADOworkflow/src/sub_function/prepare_single_mission_analysis.py
index b3447eb37b7e963745915f81ff57e03cd2462bbc..a2fc70d581697a876c3d5a02e3bc39d0b5db5cf5 100644
--- a/UNICADOworkflow/src/sub_function/prepare_single_mission_analysis.py
+++ b/UNICADOworkflow/src/sub_function/prepare_single_mission_analysis.py
@@ -63,9 +63,9 @@ def prepare_single_mission_analysis(path_of_working_directory_rce, aircraft_proj
     if not os.path.isfile(path_of_working_directory_rce + current_workflow_name
                           + '/' + aircraft_project + '/' + file_name):
         if os.path.isfile(path_of_working_directory_rce + current_workflow_name
-                          + '/' + aircraft_project + '/cleanSheetDesign/' + file_name):
+                          + '/' + aircraft_project + '/clean_sheet_design/' + file_name):
             shutil.copyfile(path_of_working_directory_rce + current_workflow_name
-                            + '/' + aircraft_project + '/cleanSheetDesign/' + file_name,
+                            + '/' + aircraft_project + '/clean_sheet_design/' + file_name,
                             path_of_working_directory_rce + current_workflow_name
                             + '/' + aircraft_project + '/' + file_name)
 
@@ -85,9 +85,9 @@ def prepare_single_mission_analysis(path_of_working_directory_rce, aircraft_proj
     if not os.path.isdir(path_of_working_directory_rce + current_workflow_name
                          + '/' + aircraft_project + '/geometry_data/'):
         if os.path.isdir(path_of_working_directory_rce + current_workflow_name
-                         + '/' + aircraft_project + '/cleanSheetDesign/geometry_data/'):
+                         + '/' + aircraft_project + '/clean_sheet_design/geometry_data/'):
             shutil.copytree(path_of_working_directory_rce + current_workflow_name
-                            + '/' + aircraft_project + '/cleanSheetDesign/geometry_data/',
+                            + '/' + aircraft_project + '/clean_sheet_design/geometry_data/',
                             path_of_working_directory_rce + current_workflow_name
                             + '/' + aircraft_project + '/geometry_data/')
             print('Warning: No geometry data in temporary working directory found!  \n '
@@ -104,9 +104,9 @@ def prepare_single_mission_analysis(path_of_working_directory_rce, aircraft_proj
     if not os.path.isdir(path_of_working_directory_rce + current_workflow_name
                          + '/' + aircraft_project + '/aero_data/'):
         if os.path.isdir(path_of_working_directory_rce + current_workflow_name
-                         + '/' + aircraft_project + '/cleanSheetDesign/aero_data/'):
+                         + '/' + aircraft_project + '/clean_sheet_design/aero_data/'):
             shutil.copytree(path_of_working_directory_rce + current_workflow_name
-                            + '/' + aircraft_project + '/cleanSheetDesign/aero_data/',
+                            + '/' + aircraft_project + '/clean_sheet_design/aero_data/',
                             path_of_working_directory_rce + current_workflow_name
                             + '/' + aircraft_project + '/aero_data/')
             print('Warning: No aero data in temporary working directory found!  \n '
@@ -123,9 +123,9 @@ def prepare_single_mission_analysis(path_of_working_directory_rce, aircraft_proj
     if not os.path.isdir(path_of_working_directory_rce + current_workflow_name
                          + '/' + aircraft_project + '/engine_data/'):
         if os.path.isdir(path_of_working_directory_rce + current_workflow_name
-                         + '/' + aircraft_project + '/cleanSheetDesign/engine_data/'):
+                         + '/' + aircraft_project + '/clean_sheet_design/engine_data/'):
             shutil.copytree(path_of_working_directory_rce + current_workflow_name
-                            + '/' + aircraft_project + '/cleanSheetDesign/engine_data/',
+                            + '/' + aircraft_project + '/clean_sheet_design/engine_data/',
                             path_of_working_directory_rce + current_workflow_name
                             + '/' + aircraft_project + '/engine_data/')
             print('Warning: No engine data in temporary working directory found!  \n '
@@ -156,7 +156,7 @@ def prepare_single_mission_analysis(path_of_working_directory_rce, aircraft_proj
                                                         '/value').text
 
     # check if engine data exist -> if false:
-    # -> try to copy engine data from cleanSheetDesign folder otherwise raise an error and abort program
+    # -> try to copy engine data from clean_sheet_design folder otherwise raise an error and abort program
     if not os.path.isdir(path_of_working_directory_rce + current_workflow_name
                          + '/' + aircraft_project + '/' + 'engine_data/' + engine_name):
         try:
@@ -165,12 +165,12 @@ def prepare_single_mission_analysis(path_of_working_directory_rce, aircraft_proj
                 os.mkdir(path_of_working_directory_rce + current_workflow_name
                          + '/' + aircraft_project + '/' + 'engine_data')
             shutil.copytree(path_of_working_directory_rce + current_workflow_name + '/' + aircraft_project + '/'
-                            + 'cleanSheetDesign/engine_data/' + engine_name,
+                            + 'clean_sheet_design/engine_data/' + engine_name,
                             path_of_working_directory_rce + current_workflow_name + '/' + aircraft_project + '/'
                             + 'engine_data/' + engine_name)
-            print('Necessary engine data for ' + engine_name + ' successfully copied from "cleanSheetDesign" folder!')
+            print('Necessary engine data for ' + engine_name + ' successfully copied from "clean_sheet_design" folder!')
             log_file_list.append(str(datetime.now().strftime('%Y-%m-%d %H:%M:%S')) + 'Necessary engine data for '
-                                 + engine_name + ' successfully copied from "cleanSheetDesign" folder!')
+                                 + engine_name + ' successfully copied from "clean_sheet_design" folder!')
 
         except OSError:
             print('Error: Necessary engine data for ' + engine_name + ' not available! '
diff --git a/UNICADOworkflow/src/sub_function/select_configuration_files_from_existing_project.py b/UNICADOworkflow/src/sub_function/select_configuration_files_from_existing_project.py
index 71f7754eb940cad9a03d9f6a9035231404a4f68f..34f7b491dc86d4d5761864d4686df77e7da1224d 100644
--- a/UNICADOworkflow/src/sub_function/select_configuration_files_from_existing_project.py
+++ b/UNICADOworkflow/src/sub_function/select_configuration_files_from_existing_project.py
@@ -78,11 +78,11 @@ def select_configuration_files_from_existing_project(path_of_working_directory_r
     # Use configuration file from clean sheet design folder
     if use_configs_from_existing_project == 1:
         path_to_config = path_of_working_directory_rce + current_workflow_name + '/' + aircraft_project \
-            + '/cleanSheetDesign/config_files/'
+            + '/clean_sheet_design/config_files/'
         check_flag_xml_in_clean_sheet_folder =\
             os.path.isdir(path_of_working_directory_rce + current_workflow_name + '/' + aircraft_project
-                          + '/cleanSheetDesign/config_files/')
-        folder_name = 'cleanSheetDesign'
+                          + '/clean_sheet_design/config_files/')
+        folder_name = 'clean_sheet_design'
 
     # Use configuration file from engine calibrated design folder
     if use_configs_from_existing_project == 2:
@@ -113,7 +113,7 @@ def select_configuration_files_from_existing_project(path_of_working_directory_r
         name_of_checkout_dir_from_repository = str(root_of_workflow_tree.find(
             './control_settings/program_specific_settings/iteration_settings/use_configs_from_existing_project/'
             'mode_specific_settings/mode_4/name_of_config_checkout_dir/value').text)
-        # Check if the given input directory not equal to 'cleanSheetDesign' -> if true: -> retrofit design will be used
+        # Check if the given input directory not equal to 'clean_sheet_design' -> if true: -> retrofit design will be used
         if name_of_checkout_dir_from_repository == 'aerodynamicCalibration' \
                 or name_of_checkout_dir_from_repository == 'engineCalibration' \
                 or name_of_checkout_dir_from_repository == 'withoutCalibration':
@@ -151,8 +151,8 @@ def select_configuration_files_from_existing_project(path_of_working_directory_r
             'mode_specific_settings/mode_4/name_of_config_checkout_dir/value').text)
         ssh_url = 'ssh://git@unicado.ilr.rwth-aachen.de:2222/source/' + repository_name + '.git'
 
-        if name_of_checkout_dir_from_server == 'cleanSheetDesign':
-            name_of_checkout_dir_from_server = aircraft_type + '/' + aircraft_project + '/cleanSheetDesign/config_files'
+        if name_of_checkout_dir_from_server == 'clean_sheet_design':
+            name_of_checkout_dir_from_server = aircraft_type + '/' + aircraft_project + '/clean_sheet_design/config_files'
         else:
             name_of_checkout_dir_from_server = aircraft_type + '/' + aircraft_project + '/retrofitDesign/' \
                                                + name_of_checkout_dir_from_server + '/config_files'
@@ -193,7 +193,15 @@ def select_configuration_files_from_existing_project(path_of_working_directory_r
                     for content in list_of_working_directory_content:
                         if content == tool_name:
                             if os.path.isdir(path_of_working_directory + content):
-                                if content == 'aerodynamic_assessment':
+                                if content == 'fuselage_design':
+                                    shutil.copytree(path_of_working_directory + '/' + content + '/fuselage_design_lib',
+                                                    path_of_working_directory_rce + current_workflow_name
+                                                    + '/fuselage_design_lib')
+                                if content == 'landing_gear_design':
+                                    shutil.copytree(path_of_working_directory + '/' + content + '/landing_gear_lib',
+                                                    path_of_working_directory_rce + current_workflow_name
+                                                    + '/landing_gear_lib')
+                                if content == 'aerodynamic_analysis':
                                     print(path_to_config + element + '/liftingLine_conf.xml')
                                     if os.path.isfile(path_to_config + element + '/liftingLine_conf.xml'):
                                         shutil.copyfile(path_to_config + element + '/liftingLine_conf.xml',
@@ -205,7 +213,7 @@ def select_configuration_files_from_existing_project(path_of_working_directory_r
                                                              + ': Replacement of liftingLine configuration file from '
                                                              + folder_name + ' folder successfully done!')
 
-                                if content == 'cpacsInterface':
+                                if content == 'cpacs_interface':
                                     print(path_to_config + element + '/convertUNICADO2CPACS_conf.xml')
                                     if os.path.isfile(path_to_config + element + '/convertUNICADO2CPACS_conf.xml'):
                                         shutil.copyfile(path_to_config + element + '/convertUNICADO2CPACS_conf.xml',
diff --git a/UNICADOworkflow/src/sub_function/select_engine_from_existing_project.py b/UNICADOworkflow/src/sub_function/select_engine_from_existing_project.py
index a8d5aace823e7e50201435d26895ea7739f41cbd..639b028d9df3b8416c582c0b40a573e8e7572578 100644
--- a/UNICADOworkflow/src/sub_function/select_engine_from_existing_project.py
+++ b/UNICADOworkflow/src/sub_function/select_engine_from_existing_project.py
@@ -85,10 +85,10 @@ def select_engine_from_existing_project(path_of_working_directory_rce, path_to_a
     # use engine from clean sheet design folder
     if use_engine_from_existing_project == 1:
         check_flag_engine_in_folder = os.path.isdir(path_of_working_directory_rce + '/' + current_workflow_name + '/'
-                                                    + aircraft_project + '/cleanSheetDesign/engine_data/')
+                                                    + aircraft_project + '/clean_sheet_design/engine_data/')
         source = path_of_working_directory_rce + '/' + current_workflow_name + '/' + aircraft_project \
-            + '/cleanSheetDesign/engine_data/'
-        folder_name = 'cleanSheetDesign'
+            + '/clean_sheet_design/engine_data/'
+        folder_name = 'clean_sheet_design'
 
     # use engine from engine calibrated design folder
     if use_engine_from_existing_project == 2:
@@ -120,7 +120,7 @@ def select_engine_from_existing_project(path_of_working_directory_rce, path_to_a
         name_of_checkout_dir_from_repository = str(root_of_workflow_tree.find(
             './control_settings/program_specific_settings/iteration_settings/use_engine_from_existing_project/'
             'mode_specific_settings/mode_4/name_of_engine_checkout_dir/value').text)
-        # Check if the given input directory not equal to 'cleanSheetDesign' -> if true: -> retrofit design will be used
+        # Check if the given input directory not equal to 'clean_sheet_design' -> if true: -> retrofit design will be used
         if name_of_checkout_dir_from_repository == 'aerodynamicCalibration' \
                 or name_of_checkout_dir_from_repository == 'engineCalibration' \
                 or name_of_checkout_dir_from_repository == 'withoutCalibration':
@@ -164,8 +164,8 @@ def select_engine_from_existing_project(path_of_working_directory_rce, path_to_a
         ssh_url = 'ssh://git@unicado.ilr.rwth-aachen.de:2222/source/' + repository_name + '.git'
 
         if repository_name.lower() == 'raircraftreferences':
-            if name_of_checkout_dir_from_server == 'cleanSheetDesign':
-                name_of_checkout_dir_from_server = aircraft_type + '/' + aircraft_project + '/cleanSheetDesign/engine_data'
+            if name_of_checkout_dir_from_server == 'clean_sheet_design':
+                name_of_checkout_dir_from_server = aircraft_type + '/' + aircraft_project + '/clean_sheet_design/engine_data'
             elif name_of_checkout_dir_from_server == 'aerodynamicCalibration' \
                     or name_of_checkout_dir_from_server == 'engineCalibration' \
                     or name_of_checkout_dir_from_server == 'withoutCalibration':