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Design System for Customized Steam Turbine Casings
The expected output of this master thesis is development of a parametrized 3D computer-aided-design (CAD) template to fully customize the design of steam turbine casings.
The template should enable an efficient
generation of casing configurations to meet the
widest possible range of design requirements and
constraints. The project includes an identification of
the relevant engineering knowledge required to fully
parametrize the casing designs. Afterwards the
knowledge is formalized using a rule-based system
which implementation is to be realized in CATIA® V5
or V6 CAD systems. The focus of the project will constrain
itself to static components of intermediate pressure
(IP) turbine modules.
This thesis is realized in a collaboration with General
Electric. The most of the project related activities will
take place in their offices in Baden.
Main activities:
- Analyze the GE portfolio of intermediate pressure (IP) casings.
- Collect the list of input parameters and constrains and define their influence on the IP design features (e.g. size, material selection, etc.).
- Formulate design rules and define an implementation strategy in the design system.
- Map the design process and identify the link with simulation tools, including 1D tools as well as 2D/3D FEM and CFD tools (optional).
- Realization in the CATIA® system:
Define User Defined Features (UDF) standard structure; Create a full 3D part structure with links; Create a Skeleton model driven by the key input parameters; Create basic shapes and all required features; Include design rules and design constraints; Include manufacturing constraints (optional); Test the developed CAD tool for different casing sizes and configurations.
The template should enable an efficient generation of casing configurations to meet the widest possible range of design requirements and constraints. The project includes an identification of the relevant engineering knowledge required to fully parametrize the casing designs. Afterwards the knowledge is formalized using a rule-based system which implementation is to be realized in CATIA® V5 or V6 CAD systems. The focus of the project will constrain itself to static components of intermediate pressure (IP) turbine modules. This thesis is realized in a collaboration with General Electric. The most of the project related activities will take place in their offices in Baden. Main activities:
- Analyze the GE portfolio of intermediate pressure (IP) casings.
- Collect the list of input parameters and constrains and define their influence on the IP design features (e.g. size, material selection, etc.).
- Formulate design rules and define an implementation strategy in the design system.
- Map the design process and identify the link with simulation tools, including 1D tools as well as 2D/3D FEM and CFD tools (optional).
- Realization in the CATIA® system:
Define User Defined Features (UDF) standard structure; Create a full 3D part structure with links; Create a Skeleton model driven by the key input parameters; Create basic shapes and all required features; Include design rules and design constraints; Include manufacturing constraints (optional); Test the developed CAD tool for different casing sizes and configurations.