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Postdoc position within Nonlinear analysis of large-scale concrete structures (IV-38/17)
Faculty of Engineering Science
Department of Structural Engineering
Post doc position within Nonlinear analysis of large-scale concrete structures (IV- 38/17)
Related to the Norwegian Ferry-free E-39 project the topic is use of nonlinear finite element analysis in design of concrete structures. The Finite element program Diana will be used in the project, and the application area is due to extreme or accidental loads and deformations, including dynamic loading conditions, and severe explosive – thermal – and fire loading conditions.
Large scale reinforced concrete structures are expected to be central in the E-39 project. The existence of scale effects in the failure behavior of concrete structures is undisputed. There is experimental evidence and theories distinguish statistical and deterministic explanations. For truly large-scale concrete structures experimental verifications become impractical. For those cases nonlinear finite element analysis is an important instrument to understand and quantify the failure behavior.
In recent years there is a steady interest in the use of nonlinear finite element analysis in the design process of concrete structures. This was stimulated by the publication of guided analysis procedures and safety formats for nonlinear finite element analysis. In the majority of the applications the scale of the concrete structure is “modest” and/or the analysis is focused on a selected structural element.
Figuratively speaking, an upscaling of guidelines and safety formats to be used for large-scale structures is necessary to widen the use of nonlinear finite element analysis. The application area is the one of extreme or accidental loads and deformations. These include dynamic loading conditions leading to extreme force redistributions within the mechanical system of the structure and severe explosive – thermal – and fire loading conditions leading to failure or damage of concrete.
Typically for large scale structures, the ratio between elastically stored energy up to failure and the dissipated energy during failure is large. This might hamper the numerical stability when simulating failure. At the same the required computational resources increase anyhow with the scale of the structure, if the level of detail is preserved. Both are reasons to investigate alternative solution procedures for the standard incremental-iterative schemes.
Any applicant for the position must have a doctoral degree in structural engineering and specialization in concrete and computational mechanics. It is important to have good understanding of structural systems and design. The candidate shall work with advanced numerical models for the materials and the structural behaviour, and therefore must have a good understanding of the finite element method.
Ability to communicate well in written and oral Norwegian and English is an advantage.
Postdoctoral will be remunerated at NOK 485 700,- of which 2% is deducted for the Norwegian Public Service Pension Fund. A yearly amount for operating costs will be added.
Engagement as a Postdoc is done in accordance with “Regulation concerning terms and conditions of employment for the posts of post-doctoral research fellow, research fellow, research assistant and resident”, given by the Ministry of Education and Research of 19.07.2010. The engagement is to be made in accordance with the regulations in force concerning State Employees and Civil Servants. The position adheres to the Norwegian Government’s policy of balanced ethnicity, age and gender. Persons with immigrant background and women are encouraged to apply. According to the new Freedom of Information Act, information concerning the applicant may be made public even if the applicant has requested not to be included in the list of applicants.
The candidate will be required to work in Trondheim at the Department of Structural Engineering, NTNU.
For further information please contact Professor Terje Kanstad , firstname.lastname@example.org
Applications with CV, possible publications and other scientific works, certified copies of transcripts and reference letters should be submitted electronically via jobbnorge.no. Mark your application with ref.no. IV- 38/17
Application deadline: 25.01.17
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