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Job ID: 191584

Post-doc Acoustic Tomography by Using Topology Optimization and HPC Environments - REF 22PDR175
University de São Paulo


Date Posted Aug. 2, 2022
Title Post-doc Acoustic Tomography by Using Topology Optimization and HPC Environments - REF 22PDR175
University University de São Paulo More About This Institution...
Sao Paulo, Brazil
Department Mechatronics Engineering
Application Deadline Aug. 15, 2022
Position Start Date Available Immediately
 
 
  • Post-Doc
  • Mechatronics
    Mechanical Engineering
    Engineering Mechanics
    Engineering - Other
 
 

Research theme área:

Development of Numerical Techniques and Software for Inversion Problems with Seismic Processing Applications

 

Abstract:

The main purpose of this project is to develop a set of software technologies for numerical simulation and solution of inversion problems. Applications such as the acquisition of seismic images by the inversion of measured field data predate in many years the great current interest in analysis of large data volumes and machine learning. However, these applications remain extremely challenging because they did not benefit significantly from these new developments, given the complexity inherent in the problems, large data volumes and the high computational cost. The software required for these problems is highly specialized, both in terms of the numerical methods and the high-performance computing techniques involved, and requires years of specialized work to be developed. This is a serious barrier to the creation of new methods and innovation, for example, to obtain better images of salt and pre-salt layers commonly found along the Brazilian coast. This project will develop specialized software technologies capable of reducing the time required for the development of simulation and inversion codes from years to days. High-level programming languages will be designed and implemented that will enable geophysicists to use their area-specific knowledge to rapidly develop and evaluate new algorithms for imaging geologically challenging regions. Discretization methods in finite differences and high order finite elements, optimized for seismic processing, will be developed, as well as techniques of automatic differentiation for the automatic generation of the adjoint models. Another focus of the work will be to achieve a higher level of automation in the spatial discretization of the domain through the generation and adaptation of meshes, which is a task that currently consumes many hours of human work. Finally,
modern compiler technologies will be employed to generate highly optimized code for computing platforms from supercomputers to cloud systems.

 

Description:

The position involves taking part in the following main activities:
1. Develop and validate software for modelling acoustic forward problem with numerical techniques such as finite differences or element methods
2. Develop and validate software for solving acoustic inverse problem by using the topology optimization method with the purpose of generating acoustic tomographies
3. Develop a general framework with HPC techniques for acoustic tomography by using the topology optimization method

 

Requirements to fill the position:

PhD level specialist in Computational Mechanics, Transient Analysis, Finite Differences or Element Methods, Topology Optimization, Transient Adjoint Methods, Analysis of Algorithms, Phyton or Matlab Programming and HPC Processing.

 

Funding Notes:
This Postdoc Fellowship is funded by FUSP. The fellowship will cover a standard maintenance stipend of R$ 6.819,30 (reais) per month.

 

MORE INFORMATION:
https://www.rcgi.poli.usp.br/opportunities/
Position: Post-Doctoral REF: 22PDR175

https://www.rcgi.poli.usp.br/opportunities-aplication/ AND APPLICATION AT REF 22PDR175 – Post Doctoral


 
Please reference AcademicKeys.com 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
    Brazil
  •  
  • rcgi.opportunities@usp.br

 

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