PhD candidate in the field of mechanical behavior of ice under impact at NORWEGIAN UNIVERSITY OF SCIENCE & TECHNOLOGY – NTNU

About the position

The Department of Marine Technologyhas a vacancy for a PhD position in the field of mechanical behavior of ice under impact and ice-structure interactions.

For a doctoral position, the objective is a complete doctoral training until obtaining a doctorate.

Human activities are continuously increasing in the Arctic regions related to the exploration and production of natural resources (eg oil and gas), shipping and cruise activities. Harsh Arctic environmental conditions (waves, current, wind, etc.) and ice conditions pose significant safety challenges. Potential impacts from glacial ice or sea ice can cause significant structural damage, leading to possible economic loss, environmental pollution and, in extreme cases, death and gradual structural collapse. It is therefore crucial to understand the mechanical behavior of ice during impacts and to design shock-resistant structures to withstand such actions.

The work of this doctorate aims to better understand and correctly model the mechanical behavior of ice during impacts. With the modeled ice material, realistic glacial ice impact simulations will be performed taking into account ice structure interactions. Small-scale experiments may be possible subject to discussion with supervisors.

You will report to the head of department and your supervising professor.

Job duties

  • A number of glacial ice material models exist in the literature with varying assumptions and performance. The candidate must study different models of materials and compare their performance with experiments from the literature
  • Traditional nonlinear finite element methods (NLFEM) based on classical continuum mechanics have inherent difficulties in representing defects, voids, and crack propagations in ice materials. The candidate will have to reformulate the constitutive models of ice with the theory of peridynamics, which manages material discontinuities well. A short introduction to peridynamics can be found here: https://www.youtube.com/watch?v=jz049u6r9to&ab_channel=NotRealEngineering
  • Explore the possibility of unifying ice material models used for flat ice and glacial ice
  • Perform ice structure impact simulations and examine their interaction effects
  • Develop simplified models for rule-based design methods
  • Conduct academic essays and publish project results in recognized peer-reviewed journals and international conferences

Selection criteria required

  • You must have relevant professional experience in one or more of the following fields: marine engineering, civil engineering, structural engineering, mechanical engineering or equivalent
  • Your education must correspond to a five-year Norwegian study program, where 120 credits are obtained at master’s level
  • You must have a solid academic background from your previous studies and an average grade from the master’s program, or an equivalent background, equal to B or better compared to NTNU Rating Scale. If you don’t have letter grades from previous studies, you must have an equally good academic foundation. If you have a weaker educational background, you can be assessed if you can prove that you are particularly suitable for doctoral training.
  • You must meet the admission requirements for faculty doctoral program
  • Good English skills (written and oral)
  • Good programming skills in MATLAB, Fortran, Python or similar

The appointment is to be made in accordance with the regulations in force concerning State Employees and Officials and Regulations concerning the degrees of Philosophiae Doctor (PhD) and Philosodophiae Doctor (PhD) in artistic research national guidelines for the appointment as PhD, post doctor and research assistant

Preferred Selection Criteria

  • Good knowledge and skills in finite element modeling and performing nonlinear finite element analysis
  • Solid background in mathematics and solid mechanics
  • Knowledge of constitutive modeling of materials is considered an advantage

Personal characteristics

  • Motivated and driven by curiosity
  • Ability to work independently and work in a team
  • Ability to carry out interdisciplinary work
  • Critical thinking both mathematically and physically
  • Good presentation skills

We offer

Salary and conditions

Doctoral students are paid according to code 1017, and are normally paid gross from NOK 491,200 per year before tax, depending on qualifications and seniority. From the salary, 2% is deducted as a contribution to the Norwegian civil service pension fund.

The term of employment is 3 years.

Appointment to a doctoral position requires you to be admitted to the Engineering PhD Program within three months of your employment and that you are participating in an organized doctoral program during the period of employment.

The engagement must be carried out in accordance with the regulations in force concerning employees and civil servants of the State and the laws relating to the control of the export of strategic goods, services and technologies. Candidates who, after evaluation of the application and attachment, are found to conflict with the criteria of the latter Act will be barred from recruitment at NTNU. After the appointment, you should assume that there may be changes in the working area.

The position is funded by NTNU.

It is a prerequisite to be present and accessible to the institution on a daily basis.

About the application

The application and supporting documents to be used as the basis for assessment must be in English.

Publications and other scientific work must follow the application. Please note that applications are only assessed against the information available at the application deadline. You should ensure that your application clearly indicates how your skills and experience meet the criteria set out above.

The request must include:

  • CV, certificates and diplomas
  • transcripts and bachelor’s and master’s degrees. If you have not completed the master’s degree, you must submit confirmation that the master’s thesis has been submitted.
  • A copy of the master’s thesis. If you have recently submitted your master’s thesis, you can attach a thesis project. Documentation of a completed master’s degree must be presented prior to taking up the position.
  • A personal statement demonstrating your research experience, motivation for doctoral study and why you are suitable for the position.
  • A research statement demonstrating your understanding of the topics of the position and how you plan to proceed within the scope.
  • Name and address of at least three arbitrators
  • If you have publications or other relevant research

If all or part of your training was taken abroad, we also ask you to attach documentation on the extent and quality of all of your training, both bachelor’s and master’s, in addition to other graduate studies. The description of the required documentation can be found here. If you already have a statement from NOKUT, please attach it as well.

Joint work will be considered. If it is difficult to identify your contribution to joint work, you must attach a brief description of your participation.

In evaluating the most qualified candidate, emphasis will be placed on education, experience, and personal and interpersonal qualities. Motivation, ambitions and potential will also count in the evaluation of candidates.

NTNU is committed to following the research quality assessment criteria according to The San Francisco Declaration on Research Assessment – DORA.

general informations

Working at NTNU

A good work environment is characterized by diversity. We encourage qualified applicants to apply, regardless of gender, functional ability or cultural background.

The city of Trondheim is a modern European city with a rich cultural scene. Trondheim is Norway’s innovation capital with a population of 200,000. The Norwegian welfare state, including health care, schools, kindergartens and general equality, is probably the best of its kind in the world. Subsidized professional day care for children is easily accessible. Additionally, Trondheim offers great education opportunities (including international schools) and opportunities to enjoy nature, culture and family life and has a low crime rate and clean air. own.

As an employee of NTNU, you must at all times adhere to the changes that the development of the subject implies and the organizational changes that are adopted.

According to the Public Information Act (Offentleglova), your name, age, function and municipality may be made public even if you have requested that your name not be included in the list of candidates.

If you have any questions about the position, please contact Associate Professor Zhaolong Yu, email [email protected] If you have any questions about the recruitment process, please contact Marit Gjersvold, email: [email protected]

Please submit your application electronically via jobbnorge.no with your CV, diplomas and certificates. Applications submitted elsewhere will not be considered. The Diploma Supplement must be attached for European Master’s degrees outside Norway. Chinese applicants are required to provide confirmation of Master’s degree from China Credential Verification (CHSI).

If you are invited for an interview, you must include certified copies of transcripts and letters of reference. Please refer to the application number IV-108/22 when applying.

Application deadline: 22.05.2022

NTNU – knowledge for a better world

The Norwegian University of Science and Technology (NTNU) creates knowledge for a better world and solutions that can change everyday life.

Department of Marine Technology

We develop methods and technologies related to the blue economy: offshore oil and gas extraction, ship technology and equipment industry, fishing and aquaculture. We are also strongly committed to the development of sustainable solutions for offshore renewable energy, coastal infrastructure and marine robotics. Marine technology helps solve major global challenges related to the environment, climate, energy, food and efficient transport. The Department of Marine Technology is one of the eight departments of the Faculty of Engineering.

Deadline May 22, 2022

Employer NTNU – Norwegian University of Science and Technology

Municipality Trondheim

Scope Full time

Duration Temporary

place of service Department of Marine Technology

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