Merge branch 'develop' into 'main'

Initial open source version

See merge request !233

.gitattributes

+# Exclude all binaries from the diff
+*.exe binary
+*.dll binary
+*.so binary
+*.a binary

.gitignore

+# Project specific
+databases/
+gnuplot/
+inkscape/
+/projects/
+/inkscape-linux/
+/gnuplot-linux/
+*.log
+*.stl
+*_plot.csv
+*_guiSettings.xml
+*_inputs.xml
+*_outputs.xml
+*_IOinfo.txt
+*.cscope_file_list
+test_runner_config.json
+.modifiedFiles
+.toolList
+test_detail.xml
+
+# IDE Files
+.vscode
+*.cbp
+
+# Prerequisites
+*.d
+
+# Compiled Object files
+*.slo
+*.lo
+*.o
+*.obj
+
+# Precompiled Headers
+*.gch
+*.pch
+
+# Compiled Dynamic libraries
+*.so
+*.dylib
+*.dll
+*.pyd
+
+# Fortran module files
+*.mod
+*.smod
+
+# Compiled Static libraries
+*.lai
+*.la
+*.a
+*.lib
+
+# Executables
+*.exe
+*.out
+*.app
+
+# Debugging databases
+*.pdb
+
+# Python artefacts
+__pycache__
+*.spec
+
+# Build directories
+build
+build*
+
+# CMake user files
+CMakeUserPresets.json

.gitlab/issue_templates/Default.md

+<!-- Title: Provide a concise and descriptive title for the issue incl. tool or library name -->
+
+## Choose Your Issue Template
+Before creating an issue, please review existing issues to avoid duplicates!
+ALso, select the **appropriate type for your issue in the desciption drop-down**. 
+- Bug Report Template
+- Feature Request Template
+- TODO Template
+- Documentation Request Template
+- Testing Request Template
+
+If not suitable, use the sections below and contact the owners.
+
+## Description
+Provide a concise description of the issue.
+
+## Additional Context
+Add screenshots, logs, or relevant information here.

.gitlab/issue_templates/bug_report.md

+<!-- Title: Provide a concise and descriptive title for the issue incl. tool or library name -->
+# Bug Report
+
+## Description
+Describe the bug clearly. What happened?
+
+## Steps to Reproduce
+1. [Step 1]
+2. [Step 2]
+3. [Step 3]
+
+## Expected Behavior
+Explain what you expected to see.
+
+## Environment
+- **OS**: [e.g., Windows 10]
+- **Version/Branch**: [e.g., v1.2.3]
+
+## Additional Context
+Attach any logs, screenshots, or context.
+
+/label ~"type::bug"

.gitlab/issue_templates/documentation_request.md

+<!-- Title: Provide a concise and descriptive title for the issue -->
+# Documentation
+
+## Summary
+Explain what documentation is missing.
+
+- **Unicado Version**: vx.x.x 
+- **Page**: page-to-change
+
+## Additional Context
+Attach any logs, screenshots, or context.
+
+/label ~"type::documentation"
+

.gitlab/issue_templates/feature_request.md

+<!-- Title: Provide a concise and descriptive title for the issue incl. tool or library name -->
+# Feature Request
+
+## Summary
+What feature are you requesting?
+
+## Why?
+Explain the problem this feature solves or the value it adds.
+
+## Acceptance Criteria
+- [ ] Define measurable outcomes for success.
+- [ ] List specific requirements.
+
+## Additional Notes
+Include references, examples, or diagrams if applicable.
+
+/label ~"type::feature"

.gitlab/issue_templates/testing_request.md

+<!-- Title: Provide a concise and descriptive title for the issue incl. tool or library name -->
+# Testing Issue
+
+## Summary
+Provide a brief overview of what should be tested or changed in the test process. Also think about what is the goal of this test? E.g.
+- Verify that [feature/bug fix/module] works as expected.
+- Ensure that [specific requirement] is met.
+
+## Related Issues or Merge Requests
+- Issue(s): #[Issue ID]
+- Merge Request(s): #[Merge Request ID]
+
+## Expected Results
+- [Outcome 1]: [What should happen].
+- [Outcome 2]: [Another expected result].
+
+## Environment
+- **OS**: [e.g., Windows 10]
+- **Version/Branch**: [e.g., v1.2.3]
+
+## Additional Context
+Attach any logs, screenshots, or context.
+
+/label ~"type::testing"

.gitlab/issue_templates/todo.md

+<!-- Title: Provide a concise and descriptive title for the issue incl. tool or library name -->
+# TODO
+
+## Summary
+Briefly describe the task. Provide any background information or related issues.
+
+## Subtasks
+- [ ] Step 1
+- [ ] Step 2
+- [ ] Step 3
+
+## Acceptance Criteria
+- [ ] Define measurable outcomes for success.
+- [ ] List specific requirements.
+
+/label ~"type::todo"

.gitlab/merge_request_templates/Default.md

+<!-- Title: Use an imperative, clear title (e.g., "Fix login bug" or "Add new analytics feature") -->
+
+## Description
+Provide a concise explanation of the changes made in this merge request.
+
+## Related Issue(s)
+- Closes #[feature issues]
+- Fixes #[bug report issue] 
+- Resolves #[any other issues]
+
+### Other Changes
+- [Mention refactoring, tests, etc.]
+
+## Screenshots/Logs
+Attach screenshots or log outputs if applicable.
+
+## Testing Instructions
+1. [Step 1: How to test]
+2. [Step 2: Expected outcome]
+3. [Step 3: Additional steps if required]
+
+## Developer Checklist
+- [ ] Code has been tested locally and/or in pipeline.
+- [ ] (if applicable) documentation updated.
+- [ ] (if applicable) impact of new dependencies reviewed and included in project.
+- [ ] Merge conflicts resolved with the target branch.
+
+## Additional Notes
+Add any information reviewers should focus on, e.g., specific files, functions, or changes of interest.

.gitmodules

+[submodule "libs"]
+	path = libs
+	url = ssh://git@git.rwth-aachen.de/unicado/libraries.git
\ No newline at end of file

CMakeLists.txt

+# Set a recent minimum version
+cmake_minimum_required(VERSION 3.29)
+
+# Start the project
+project(aircraft_design
+    VERSION 2.1.0
+    DESCRIPTION "Calculate all the things!"
+    LANGUAGES CXX
+)
+
+# set the C++ standard
+set(CMAKE_CXX_STANDARD 20)
+set(CMAKE_CXX_STANDARD_REQUIRED True)
+
+# When GCC is used, check if the version is 10.2.0 or higher
+if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
+    # Check GCC to have filesystem support
+    if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS 10.2.0)
+        message(FATAL_ERROR "[${PROJECT_NAME}] -> GCC version 10.2.0 or higher is required!")
+    endif()
+endif()
+
+# Disable the min and max macros when building with MSVC
+if(MSVC)
+    add_compile_definitions(NOMINMAX)
+endif()
+
+# *optional* Add cppcheck and cpplint
+# set(CMAKE_CXX_CPPCHECK "cppcheck")
+# set(CMAKE_CXX_CPPLINT "cpplint")
+
+# Option for blackbox testing
+option(BUILD_BLACKBOXTESTS "Use blackbox testing" OFF)
+# Option for unit testing
+option(BUILD_UNITTEST "Use unit testing" OFF)
+# Option where to look for the libraries
+option(FIND_LIBRARIES_AS_PACKAGE "If true the libraries are included with find_package(), otherwise the submodule is used." OFF)
+# Option to compile Python modules to an executable
+option(BUILD_PYTHON_MODULES "If true the python modules will be compiled to executables." OFF)
+
+# Get pipenv for compiling python modules
+# This has to be done before the libraries are added since pipenv will install our python libraries
+if(NOT PIPENV)
+    find_program(PIPENV pipenv)
+    if(PIPENV)
+        message(STATUS "[${PROJECT_NAME}] -> Python/pipenv found. Updating required packages from Pipfile...")
+        # User can set a specific python executable
+        if(DEFINED Python_EXECUTABLE)
+            message(STATUS "[${PROJECT_NAME}] -> Using Python executable: ${Python_EXECUTABLE}")
+            execute_process(
+                COMMAND ${PIPENV} --python ${Python_EXECUTABLE}
+                WORKING_DIRECTORY ${CMAKE_SOURCE_DIR} # Execute in the top level source directory
+                OUTPUT_QUIET ERROR_QUIET
+            )
+        endif()
+        # Update the pipenv environment
+        execute_process(
+            COMMAND ${PIPENV} update
+            WORKING_DIRECTORY ${CMAKE_SOURCE_DIR} # Execute in the top level source directory
+            OUTPUT_QUIET ERROR_QUIET
+        )
+    else()
+        message(WARNING "[${PROJECT_NAME}] -> Python/pipenv not found. Python packages will not be available!")
+    endif()
+else()
+    message(STATUS "[${PROJECT_NAME}] -> skipping pipenv update since it is already found...")
+endif()
+
+# *** Important ***
+# Add the libraries
+if (FIND_LIBRARIES_AS_PACKAGE)
+    find_package(UnicadoLibs REQUIRED)
+else()
+    add_subdirectory(libs)
+endif()
+
+# === External dependencies ===
+include(FetchContent)
+
+# Make matplot++ available when it is already installed or by downloading it
+find_package(Matplot++ QUIET)
+if(NOT Matplot++_FOUND)
+    # Inform user
+    message(STATUS "[${PROJECT_NAME}] -> Matplot++ not found. Downloading it...")
+
+    # Declare the source for matplot++
+    FetchContent_Declare(matplotplusplus
+        GIT_REPOSITORY https://github.com/alandefreitas/matplotplusplus
+        GIT_TAG v1.2.1)
+    
+    # Get the source
+    FetchContent_GetProperties(matplotplusplus)
+    if(NOT matplotplusplus_POPULATED)
+        FetchContent_Populate(matplotplusplus)
+        add_subdirectory(${matplotplusplus_SOURCE_DIR} ${matplotplusplus_BINARY_DIR} EXCLUDE_FROM_ALL)
+    endif()
+
+    # Disable the pedantic warnings when building Matplot++
+    set(MATPLOTPP_BUILD_WITH_PEDANTIC_WARNINGS OFF) 
+else()
+    # Inform user
+    message(STATUS "[${PROJECT_NAME}] -> Matplot++ found.")
+endif()
+
+# Check if gnuplot is installed
+find_package(Gnuplot QUIET)
+if(NOT Gnuplot_FOUND)
+    # Inform user
+    message(STATUS "[${PROJECT_NAME}] -> Gnuplot not found. Please install at least version 6.0.1")
+elseif(GNUPLOT_VERSION_STRING VERSION_LESS 6.0.1)
+    # Inform user
+    message(STATUS "[${PROJECT_NAME}] -> Gnuplot found but version ${GNUPLOT_VERSION_STRING} too low. Please install at least version 6.0.1")
+else()
+    # Inform user
+    message(STATUS "[${PROJECT_NAME}] -> Gnuplot version ${GNUPLOT_VERSION_STRING} found.")
+endif()
+
+#=== Googletest setup ===
+if(BUILD_BLACKBOXTESTS OR BUILD_UNITTEST)
+    message(STATUS "[${PROJECT_NAME}] -> Building tests")
+    # Download and unpack googletest at configure time
+    FetchContent_Declare(googletest
+    GIT_REPOSITORY https://github.com/google/googletest.git
+    GIT_TAG v1.13.0
+    )
+    # For Windows: Prevent overriding the parent project's compiler/linker settings
+    set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
+    FetchContent_MakeAvailable(googletest)
+
+    # *optional* Add gtest to ctest
+    # enable_testing()
+    # include(GoogleTest)
+endif()
+
+# Add all modules
+add_subdirectory(initial_sizing)
+add_subdirectory(create_mission_xml)
+add_subdirectory(fuselage_design)
+add_subdirectory(empennage_design)
+add_subdirectory(wing_design)
+add_subdirectory(tank_design)
+add_subdirectory(propulsion_design)
+add_subdirectory(landing_gear_design)
+add_subdirectory(aerodynamic_analysis)
+add_subdirectory(systems_design)
+add_subdirectory(mission_analysis)
+add_subdirectory(weight_and_balance_analysis)
+add_subdirectory(ecological_assessment)
+add_subdirectory(cost_estimation)
+add_subdirectory(performance_assessment)
+add_subdirectory(constraint_analysis)
+

CMakePresets.json

+{
+    "version": 6,
+    "configurePresets": [
+        {
+            "name": "unix-common",
+            "description": "Common settings for Unix compilers",
+            "hidden": true,
+            "binaryDir": "${sourceDir}/build",
+            "cacheVariables": {
+                "CMAKE_CXX_FLAGS": "-fexceptions -fno-builtin"
+            }
+
+        },
+        {
+            "name": "unix-debug",
+            "description": "Base settings for building debug configuration with Unix compilers.",
+            "hidden": true,
+            "cacheVariables": {
+                "CMAKE_BUILD_TYPE": "Debug",
+                "CMAKE_CXX_FLAGS_DEBUG": "-Wextra -Wsign-conversion -Wfloat-equal -g"
+            }
+        },
+        {
+            "name": "unix-release",
+            "description": "Base settings for building release configuration with Unix compilers.",
+            "hidden": true,
+            "cacheVariables": {
+                "CMAKE_BUILD_TYPE": "Release",
+                "CMAKE_CXX_FLAGS_RELEASE": "-O2 -s"
+            }
+        },
+        {
+            "name": "windows-common",
+            "description": "Common settings for Windows compilers",
+            "hidden": true,
+            "binaryDir": "${sourceDir}/build",
+            "generator": "Visual Studio 17 2022",
+            "toolset": "ClangCL",
+            "toolchainFile": "C:/dev/vcpkg/scripts/buildsystems/vcpkg.cmake",
+            "cacheVariables": {
+                "Python_EXECUTABLE": {"type": "FILEPATH", "value": "$ENV{HOMEDRIVE}$ENV{HOMEPATH}/AppData/Local/Programs/Python/Python311/python.exe"},
+                "CMAKE_CXX_FLAGS": "/permissive- /EHsc"
+            }
+        },
+        {
+            "name": "windows-debug",
+            "description": "Base settings for building debug configuration with Windows compilers.",
+            "hidden": true,
+            "cacheVariables": {
+                "CMAKE_BUILD_TYPE": "Debug",
+                "CMAKE_CXX_FLAGS_DEBUG": "/W4"
+            }
+        },
+        {
+            "name": "windows-release",
+            "description": "Base settings for building release configuration with Windows compilers.",
+            "hidden": true,
+            "cacheVariables": {
+                "CMAKE_BUILD_TYPE": "Release",
+                "CMAKE_CXX_FLAGS_RELEASE": "/O2"
+            }
+        },
+        {
+            "name": "x64-linux-debug",
+            "description": "Default debug configuration for building on Linux",
+            "generator": "Unix Makefiles",
+            "inherits": ["unix-common", "unix-debug"]
+        },
+        {
+            "name": "x64-linux-release",
+            "description": "Default release configuration for building on Linux",
+            "generator": "Unix Makefiles",
+            "inherits": ["unix-common", "unix-release"]
+        },
+        {
+            "name": "x64-mingw-debug",
+            "description": "Default debug configuration for building with MSYS2/MinGW on Windows",
+            "generator": "MinGW Makefiles",
+            "inherits": ["unix-common", "unix-debug"]
+        },
+        {
+            "name": "x64-mingw-release",
+            "description": "Default release configuration for building with MSYS2/MinGW on Windows",
+            "generator": "MinGW Makefiles",
+            "inherits": ["unix-common", "unix-release"]
+        },
+        {
+            "name": "x64-windows-debug",
+            "description": "Default debug configuration for building on Windows",
+            "architecture": "x64",
+            "inherits": ["windows-common", "windows-debug"]
+        },
+        {
+            "name": "x64-windows-release",
+            "description": "Default release configuration for building on Windows",
+            "architecture": "x64",
+            "inherits": ["windows-common", "windows-release"]
+        }
+    ],
+    "buildPresets": [
+        {
+            "name": "x64-linux-debug",
+            "description": "Sets the build type to Debug for the Linux build system.",
+            "configurePreset": "x64-linux-debug"
+        },
+        {
+            "name": "x64-linux-release",
+            "description": "Sets the build type to Release for the Linux build system.",
+            "configurePreset": "x64-linux-release"
+        },
+        {
+            "name": "x64-windows-debug",
+            "description": "Sets the build type to Debug for the Windows build system.",
+            "configurePreset": "x64-windows-debug",
+            "configuration": "Debug"
+        },
+        {
+            "name": "x64-windows-release",
+            "description": "Sets the build type to Release for the Windows build system.",
+            "configurePreset": "x64-windows-release",
+            "configuration": "Release"
+        }
+    ]
+}

CODEOWNERS

+# UNICADO Codeowners - tool specific ownership
+
+# Design tools
+create_mission_xml/           @gPauls-TUHH
+empennage_design/             @ChrisRuw         @AndiGob
+fuselage_design/              @AndiGob
+initial_sizing/               @ellen.seabrooke  @johannes.schneider
+landing_gear_design/          @AndiGob
+propulsion_design/            @tobi747          @meric.taneri
+systems_design/               @ellen.seabrooke
+tank_design/                  @s-roscher
+wing_design/                  @ChrisRuw
+
+# Analysis tools
+aerodynamic_analysis/         @lukas.neuerburg  @Florian.Schueltke
+mission_analysis/             @kbistreck        @gPauls-TUHH
+weight_and_balance_analysis/  @timi97tp         @ChrisRuw
+constraint_analysis/          @meric.taneri
+
+# Assessment tools
+cost_estimation/              @s-roscher
+ecological_assessment/        @kbistreck
+flight_mechanic_assessment/   @ChrisRuw
+performance_assessment/       @philipp.hansmann

Pipfile

+[[source]]
+url = "https://pypi.org/simple"
+verify_ssl = true
+name = "pypi"
+
+[packages]
+pyinstaller = "*"
+numpy = "*"
+ambiance = "*"
+matplotlib = "*"
+termcolor = "*"
+yattag = "*"
+bs4 = "*"
+pandas = "*"
+openpyxl = "*"
+
+[dev-packages]
+
+[requires]
+python_version = "3.11"

README.md

+# Welcome to UNICADO Aircraft Design Repository :airplane:
+
+The aircraft design repository collect all the sizing tools and analysis tools which are needed for the conceptual aircraft design and assessment process.
+
+> → Checkout your [UNICADO website](https://unicado.io/) for more information! 
+
+## Installation
+
+### For User
+You want to use UNICADO to get familiar with the workflow and see first results? Great :fire: Then check out the [Installation Guide](https://unicado.pages.rwth-aachen.de/unicado.gitlab.io/download/installation/) and the [Cleared for Take-Off](https://unicado.pages.rwth-aachen.de/unicado.gitlab.io/download/takeoff/). It includes the prerequisites, troubleshooting hints and a standalone installer.
+
+### For Developer
+We welcome contributions! :sparkles: Please read our [developer guide](https://unicado.pages.rwth-aachen.de/unicado.gitlab.io/developer/developer-installation/). It explains step-by-step what you need to install, how to get the source code, how to build it, how to contribute and how to create the installer.
+
+## License
+This project is licensed under the GNU General Public License, Version 3 License - see the [LICENSE](LICENSE) file for details.
+
+## Acknowledgments and Funding
+This project is a collaborative effort by 
+- RWTH Aachen, Chair and Institute of Aerospace Systems
+- TU Berlin
+    - Aircraft Design and Aerostructures
+    - Flight Mechanics, Flight Control and Aeroelasticity
+- TU Braunschweig, Chair of Overall Aircraft Design
+- TU Hamburg, Institute of Air Transportation Systems
+- TU Munich, Chair of Aircraft Design
+- University of Stuttgart, Institute of Aircraft Design
+
+including its associated partner
+- Airbus SE
+- Collins Aerospace 
+- TGM Lightweight Solutions GmbH
+
+and is funded by the Federal Ministry of Economic Affairs and Climate Action on the basis of a decision by the German Bundestag.
+
+## Contact
+For questions or support, feel free to contact us :email: **E-Mail:** [contacts@unicado.io](mailto:contacts@unicado.io).

aerodynamic_analysis/CMakeLists.txt

+# Set name of executable
+set(MODULE_NAME aerodynamic_analysis)
+
+# ==============================================
+# Add the module executable
+#
+# *** IMPORTANT ***
+# -> Change *.cpp files according to the module
+# -> Add main.cpp later since this list is also
+#    used for the tests
+# ==============================================
+set(MODULE_SOURCES
+    src/calculatePolar.cpp 
+	src/polar.cpp
+	src/flightCondition.cpp
+	src/taw/tawCalculatePolar.cpp
+	src/taw/tawDefaultData.cpp
+	src/taw/tawCalculatePolarConfig.cpp
+	src/taw/tawDefaultStrategy.cpp
+    src/taw/tawCalculatePolarReport.cpp
+	src/laminarTAW/laminarTAWCalculatePolar.cpp
+	src/laminarTAW/laminarTAWConfig.cpp
+	src/laminarTAW/HLFCData.cpp
+	src/laminarTAW/HLFCStrategy.cpp
+	src/bwb/bwbCalculatePolar.cpp
+	src/bwb/bwbDefaultData.cpp
+	src/bwb/bwbCalculatePolarConfig.cpp
+	src/bwb/bwbDefaultStrategy.cpp
+	src/methods/viscDragRaymer.cpp
+	src/methods/liftingLinePolar.cpp
+	src/methods/liftingLineForTAW.cpp
+	src/methods/semiEmpiricalHighLiftAdaption.cpp
+	src/methods/trimInterpolation.cpp
+	src/methods/waveDragMason.cpp
+	src/methods/generalMethods/auxFunctions.cpp
+)
+add_executable(${MODULE_NAME}
+    ${MODULE_SOURCES}
+    src/main.cpp
+    src/resources.rc
+)
+
+# Set compile options specific to this module
+target_compile_definitions(${MODULE_NAME} PRIVATE USE_GNUPLOT)
+
+# Link the runtime libraries -> Use the actual needed libraries
+target_link_libraries(${MODULE_NAME}
+    PRIVATE
+        UnicadoLibs::svl
+        UnicadoLibs::runtimeInfo
+        UnicadoLibs::standardFiles
+        UnicadoLibs::aixml
+        UnicadoLibs::aircraftGeometry2
+        UnicadoLibs::atmosphere
+        UnicadoLibs::liftingLineInterface2
+		UnicadoLibs::moduleBasics
+        Matplot++::matplot
+)
+
+# Set the location where the executable will be placed to the current source directory
+set_target_properties(${MODULE_NAME} PROPERTIES
+    RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}$<0:>
+)
+
+# Add the tests if enabled
+if((BUILD_UNITTEST OR BUILD_BLACKBOXTESTS) AND EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/test/CMakeLists.txt")
+    add_subdirectory(test)
+endif()
+# Download LiftingLine
+add_subdirectory(LiftingLine)
+
+# Add the installation rules
+install(TARGETS ${MODULE_NAME} DESTINATION ${MODULE_NAME})
+if(WIN32)
+    install(FILES
+            ${MODULE_NAME}_conf.xml 
+            gmp-10.dll
+            mpfr-6.dll
+         DESTINATION ${MODULE_NAME})
+else()
+    install(FILES
+        ${MODULE_NAME}_conf.xml 
+        DESTINATION ${MODULE_NAME})
+endif()
+
+install(
+    DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/LiftingLine
+    DESTINATION ${MODULE_NAME}
+    PATTERN "*CMakeLists*" EXCLUDE
+)
+
+# Find and include all dependet libraries if dynamically linked
+if(BUILD_SHARED_LIBS)
+    # Install the runtime dependencies
+    install(RUNTIME_DEPENDENCY_SET ${MODULE_NAME}_dependencies)
+endif()
+
+# Find and include all system runtime libraries if enabled
+if(PACKAGE_SYSTEM_LIBRARIES)
+    # Install the runtime dependencies
+    install( RUNTIME_DEPENDENCY_SET ${MODULE_NAME}_dependencies
+        PRE_INCLUDE_REGEXES "libgcc.*" "libstdc.*" "libwinpthread.*"
+        PRE_EXCLUDE_REGEXES ".*\.dll" ".*\.so" # Skip all other system libs for now
+        DIRECTORIES ${SYSTEM_LIBS_PATH}
+        DESTINATION ${MODULE_NAME}
+    )
+endif()

aerodynamic_analysis/LiftingLine/CMakeLists.txt

+# Set the project name
+project(LiftingLine)
+
+# Check operating system
+message(STATUS "Check operating system for Lifting Line download uri -> ${CMAKE_SYSTEM_NAME}")
+if(CMAKE_SYSTEM_NAME STREQUAL "Windows")
+    # set download URL
+    set(FILE_URL "https://ceras.ilr.rwth-aachen.de/tiki/tiki-download_file.php?fileId=74")
+    # set output file
+    set(OUTPUT_FILE "${CMAKE_CURRENT_SOURCE_DIR}/LIFTING_LINE_WINDOWS_64BIT.exe")
+else()
+    # set download URL
+    set(FILE_URL "https://ceras.ilr.rwth-aachen.de/tiki/tiki-download_file.php?fileId=76")
+    # set output file
+    set(OUTPUT_FILE "${CMAKE_CURRENT_SOURCE_DIR}/LIFTING_LINE_LINUX_64BIT")
+endif()
+
+# Check if the file exists
+if(NOT EXISTS ${OUTPUT_FILE})
+    # Download file
+    message(STATUS "Downloading Lifting Line ...") 
+    file(DOWNLOAD
+        ${FILE_URL}
+        ${OUTPUT_FILE}
+        SHOW_PROGRESS
+        STATUS DOWNLOAD_STATUS)
+
+    # Check download status status
+    list(GET DOWNLOAD_STATUS 0 STATUS_CODE)
+    list(GET DOWNLOAD_STATUS 1 STATUS_MESSAGE)
+
+    # Print the result of download status
+    if(STATUS_CODE EQUAL 0)
+        message(STATUS "File downloaded ${STATUS_MESSAGE} -> ${OUTPUT_FILE}")
+
+        # Update file rights on none windows systems
+        if(NOT CMAKE_SYSTEM_NAME STREQUAL "Windows")
+            message(STATUS "Changing file rights to r-xr--r--")
+            file(CHMOD ${OUTPUT_FILE}
+                FILE_PERMISSIONS OWNER_EXECUTE OWNER_READ GROUP_READ WORLD_READ)
+        endif()
+    else()
+        message(FATAL_ERROR "Download failed with message: ${STATUS_MESSAGE}")
+    endif()
+else()
+    message(STATUS "File already exists -> ${OUTPUT_FILE}, skipping download.")
+endif()

aerodynamic_analysis/LiftingLine/liftingLine_conf.xml

+<ConfigFile Name="liftingLine_conf.xml">
+    <LiftingLine Desc="Settings for LiftingLine">
+        <ProgramShortName Desc="Short name of program LiftingLine is used in">calcPolar</ProgramShortName>
+        <LiftingLineVersion Desc="Current version of LiftingLine">3.1</LiftingLineVersion>
+        <LiftingLinePath Desc="Path to LIFTING_LINE (incl. file type); default: LiftingLine/LIFTING_LINE_[WINDOWS/LINUX]_64BIT.EXE">default</LiftingLinePath>
+        <LiftingLineConsoleOutput>0</LiftingLineConsoleOutput>
+        <TecplotOutput>1</TecplotOutput>
+        <ErrorHandling Desc="Handling num. LL errors, 0: exit(1), 1: Use existing polars, exit(777), 2: no exit" Default="0">0</ErrorHandling>
+        <Paneling Desc="Configuration of paneling">
+            <ChordwisePanels Desc="Panels in chordwise direction" Unit="-" Default="11">11</ChordwisePanels>
+            <SpanwiseAddPanels Desc="Panels in spanwise direction (in addition to wing segments)" Unit="-" HTPFactor="0.5" Default="10">10</SpanwiseAddPanels>
+            <MinSpanPanelsPerSegment Desc="Min. number of spanwise panels per segment" Unit="-" MinValueTip="5" Default="3">3</MinSpanPanelsPerSegment>
+        </Paneling>
+        <TwistDistrType Desc="T_DISTR S. 35, 0: linear twist, 1: linear geo strak" Default="1">1</TwistDistrType>
+        <UntwistFslgSegment Desc="Switch to untwist fuselage segment" Unit="-" Default="1">1</UntwistFslgSegment>
+        <ReferenceArea Desc="Reference area for force coefficients; 0: Aref is calculated from geometry" Unit="m^2" Default="0">0</ReferenceArea>
+        <ReferenceSpan Desc="Reference span for force coefficients; 0: bref is calculated from geometry" Unit="m" Default="0">0</ReferenceSpan>
+        <SpanForScale Desc="Scaling of wing span; 1: no scaling" Unit="-" Default="1">1.0</SpanForScale>
+        <maxRuntime Desc="Max runtime in minutes" Unit="min" Default="10">10</maxRuntime>
+        <PolarConfig Desc="Description of the polars to be calculated">
+            <Beta Desc="Sideslip" Unit="deg" Default="0">0</Beta>
+            <NumbAoAs Desc="Number of angles of attack" Default="10">10</NumbAoAs>
+            <AoA ID="1" Desc="Angle of attack" Unit="deg" Default="0">-6</AoA>
+            <AoA ID="2" Desc="Angle of attack" Unit="deg" Default="0">-4</AoA>
+            <AoA ID="3" Desc="Angle of attack" Unit="deg" Default="0">-2</AoA>
+            <AoA ID="4" Desc="Angle of attack" Unit="deg" Default="0">0</AoA>
+            <AoA ID="5" Desc="Angle of attack" Unit="deg" Default="0">2</AoA>
+            <AoA ID="6" Desc="Angle of attack" Unit="deg" Default="0">4</AoA>
+            <AoA ID="7" Desc="Angle of attack" Unit="deg" Default="0">6</AoA>
+            <AoA ID="8" Desc="Angle of attack" Unit="deg" Default="0">8</AoA>
+            <AoA ID="9" Desc="Angle of attack" Unit="deg" Default="0">10</AoA>
+            <AoA ID="10" Desc="Angle of attack" Unit="deg" Default="0">12</AoA>
+            <NumbLiftCoefficients Desc="Number of lift coefficients" Default="0">0</NumbLiftCoefficients>
+            <LiftCoefficient ID="1" Desc="Lift coefficient" Unit="-" Default="0">0</LiftCoefficient>
+        </PolarConfig>
+    </LiftingLine>
+</ConfigFile>
\ No newline at end of file