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Job ID: 186424

Doctoral - Topology optimization method applied to radial compressors design - Ref: 22PhD168
University de São Paulo

Date Posted May 26, 2022
Title Doctoral - Topology optimization method applied to radial compressors design - Ref: 22PhD168
University University de São Paulo More About This Institution...
Sao Paulo, Sao Paulo, Brazil
Department Mechanical Engineering
Application Deadline Jun. 15, 2022
Position Start Date July 2022
  • Graduate Student
  • Naval Architecture & Marine Engineering
    Mechanical Engineering
    Engineering Mechanics
    Computer Engineering
    Computer Science
    Engineering - Other

Research theme area:

Optimized design of impellers and diffusers with combined criteria of energy efficiency, mechanical stresses, and vibrations



The candidate will collaborate with the researchers of the project “Design Optimization and Experimental Evaluation of Centrifugal Compressors for CO2 and CO2-CH4 Mixtures in Supercritical Conditions.” from FAPESP-Shell Research Centre for Greenhouse Gas Innovation at Poli-USP at the University of São Paulo. Program summary and projects can be found in the RCGI website ( Centrifugal compressors for supercritical CO2 and gas mixtures are used for various applications, such as injecting CO2-CH4 mixtures into gas reservoirs and transporting CO2 in pipelines. To ensure aerodynamic performance and guarantee mechanical integrity, optimization becomes crucial. A promising technique is topology optimization, the most flexible optimization method for conceptual design. This research proposes the combination of several challenging objective functions related to the fluid (efficiency, pressure ratio) and to the structure (stress, vibrations), developing new formulations for topology optimization of compressors considering fluid-structure interaction. Numerical implementation will be done in open source software such as FEniCS/dolfin-adjoint and OpenFOAM® or commercial software such as COMSOL Multiphysics®.



The applicant will contribute in line with the main objectives of the project:
1. Develop a topology optimization formulation for compressible turbulent flows with mechanical stress and vibrations constraints featuring high rotational motions;
2. Develop a topology optimization methodology for designing impellers and diffusers, aiming to mmaximize the compressor efficiency and avoid structural failures;
3. Apply the devised topology optimization formulation to design radial compressors for operation with methane or carbon dioxide.


Requirements to fill the position:

This project would be well-suited to a highly motivated candidate requiring programming skills in Matlab, Python or C++, experience in computational fluid dynamics with the software FEniCS, OpenFOAM® or COMSOL Multiphysics®, proficiency in English, and experience in computational mechanics, finite element/volume methods, topology optimization, and analysis of algorithms.
- The PhD candidate should be a masters level specialist in Engineering, with the aforementioned capabilities.


This PhD scholarship is funded by FUSP. The scholarship will cover a standard maintenance stipend of R$ 3.462,42 per month for PhD first year and R$ 4.285,50 per month for PhD second and third years.

Position: Doctoral Scholarship REF: 22PhD168 AND APPLICATION AT REF 22PhD168 – Doctoral Scholarship

Please reference in your cover letter when
applying for or inquiring about this job announcement.

Contact Information

  • RCGI
    Human Resources
    University De São Paulo
    Av Prof Mello Moraes, 2231
    Cidade Universitaria - Butanta
    Sao Paulo, Sao Paulo 05508-030


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