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Cemal Basaran's picture

Prof. Zdenek Bazant Plenary Lecture at ICDM 4 in Baton Rouge

Prof. Zdenek Bazant (Northwestern University, USA) sent me a copy of the plenary lecture he delivered at Int. Conf. on Damage Mechanics 4 at LSU on May 15, 2023, to be posted. The lecture is about a critique of the theoretical inconsistencies in the Phase Field and Peridynamics techniques. Remarkably interesting talk that will create a significant discussion about the validity of these methods..

 

yann.charles's picture

PhD position in france : modelling of fatigue crack propagation in metallic materials weakened by hydrogen

Dear all

Please fin attached a PhD proposal for the beginning of the 2023 academic year, proposed by the Institut P' (Poitiers, France) in collaboration with the LSPM lab (University Sorbonne Paris Nord), aiming at modelling fatigue crack propagations in metallic materials under gazeous hydrogen environnement.

phase field modelling

Hi I tried to code a basic phase field model for fracture in octave.

It doesn't seem to converge to the correct load. It fails later.

Also mesh refinement did not improve the results.

The link to the GIT is here

https://github.com/dontcallmesuren/Phase-field-modelling.git

Any idea where I am wrong?

Ping me. Thanks in advance.

Postdoctoral Position in Phase Field Modeling of Oxide Film Growth

The Materials Theory Group at the School of Materials Engineering of Purdue University has a postdoctoral opening in the area of phase field modeling of oxide film growth. The postdoc will use the phase field approach to investigate the growth of metal oxide films in an oxidizing environment, emphasizing the film grain morphology, composition, and stress distribution. The ideal candidate will have a strong background in phase field modeling with elastic effects and excellent computational skills. For inquiry, please email Professor Anter El-Azab (aelazab@purdue.edu). This position is part of a collaborative project with a materials research and software development company, and it will be available as early as April 1, 2021. The position will remain open until filled. Interested candidates can send a curriculum vita with list of publications, about half a page statement of research interests, and the names and contact information of at least two references. The Materials Theory Group performs theoretical and computational research in the areas of dislocation dynamics and mesoscale plasticity, radiation effects in materials, phase field method and applications to microstructure evolution in materials, phonon and electron thermal transport in crystalline solids, and computational methods for materials science and mechanics.
EEO/AA Policy:
Purdue University is an EOE/AA employer. All qualified individuals, including minorities, women, individuals with disabilities, and veterans are encouraged to apply.
Department Website https://engineering.purdue.edu/MSE

Postdoctoral Position in Phase Field Modeling of Oxide Film Growth

The Materials Theory Group at the School of Materials Engineering of Purdue University has a postdoctoral opening in the area of phase field modeling of oxide film growth. The postdoc will use the phase field approach to investigate the growth of metal oxide films in an oxidizing environment, emphasizing the film grain morphology, composition, and stress distribution. The ideal candidate will have a strong background in phase field modeling with elastic effects and excellent computational skills. For inquiry, please email Professor Anter El-Azab (aelazab@purdue.edu). This position is part of a collaborative project with a materials research and software development company, and it will be available as early as April 1, 2021. The position will remain open until filled. Interested candidates can send a curriculum vita with list of publications, about half a page statement of research interests, and the names and contact information of at least two references. The Materials Theory Group performs theoretical and computational research in the areas of dislocation dynamics and mesoscale plasticity, radiation effects in materials, phase field method and applications to microstructure evolution in materials, phonon and electron thermal transport in crystalline solids, and computational methods for materials science and mechanics.
EEO/AA Policy:
Purdue University is an EOE/AA employer. All qualified individuals, including minorities, women, individuals with disabilities, and veterans are encouraged to apply.
Department Website https://engineering.purdue.edu/MSE

Emilio Martínez Pañeda's picture

A phase field formulation for dissolution-driven stress corrosion cracking

Dear iMechanicians, I hope that our latest JMPS paper is of interest to you. We show how the phase field paradigm can be extended to model localised corrosion (aqueous electrolyte-solid interface) and the associated damage mechanisms. 

C. Cui, R. Ma, E. Martínez-Pañeda. A phase field formulation for dissolution-driven stress corrosion cracking. Journal of the Mechanics and Physics of Solids 147, 104254 (2021)

https://www.sciencedirect.com/science/article/pii/S0022509620304622

Kmomeni's picture

A Postdoc Position in Multiscale Mechanics and Materials

An immediate postdoc position is open in Advanced Hierarchical Materials by Design Lab at the University of Alabama on multiscale modeling of materials and processes.

 

Emilio Martínez Pañeda's picture

Phase field fracture modelling using quasi-Newton methods and a new adaptive step scheme

Dear iMechanicians,

I hope this paper is of interest to you. We show that quasi-Newton methods make monolithic phase field fracture implementations very robust. Convergence and computations times orders of magnitude smaller than the usual staggered approaches are demonstrated in complex problems such as unstable cracking, fatigue or dynamic crack branching.

Kmomeni's picture

PhD Positions in Multiscale Modeling of Materials Under Extreme Conditions

PhD positions are open immediately in Advanced Hierarchical Materials by Design Labat Louisiana Tech Universityon multiscale modeling of materials under extreme conditions. This will be a collaborative project with MITGeorgia Tech, and Idaho National Labthat is supported by Department of Energy.  The candidates must have earned a degree in Mechanical Engineering or related fields (applicants with a MSc will be given priority) and have a solid background in theoretical and computational mechanics.

yann.charles's picture

1 years PostDoctoral Position - Universities Paris 13 & Paris 7 , Paris, France

A 1 year post Doctoral position is avalaible in France, on computational fractur mechanics. This is a join project between Univ. Paris 13 (LSPM lab), and Paris 7 (ITODYS lab).

The present postdoc subject is focused on the modeling cracking and buckling in thin films and nanostructures on stretchable substrate.

Kmomeni's picture

PhD Position in Multiscale Modeling of Hierarchical Materials

A PhD position is open for summer or fall 2018 in Advanced Hierarchical Materials by Design Lab at Louisiana Tech University on multiscale modeling of hierarchical materials with an emphasis on printed materials. The candidates must have earned a B.Sc. (M.Sc. is preferred) degree in Mechanical Engineering or closely related fields and have a solid background in theoretical and computational mechanics, specifically continuum mechanics and finite element modeling, and need to have the basic knowledge of writing computer code (preferably using C/C++).

Kmomeni's picture

PhD Position in Multiscale Modeling of metamaterials

A PhD position is open for Spring 2018 in Advanced Hierarchical Materials by Design Lab at Louisiana Tech University on multiscale modeling of metamaterials. The candidates must have earned a degree in Mechanical Engineering or related fields (applicants with a MSc will be given priority) and have a solid background in theoretical and computational mechanics. Having knowledge of continuum mechanics, finite element modeling, and a programming language is a plus.

Ph.D. position(s) in the Mechanics of Materials at the Iowa State University

PhD position(s) are available for Spring 2016 semester to perform theoretical and computational work on phase field modeling of variaous structural changes in engineering materials and modeling of interaction between phase transformations and plasticity. MS degree and background in continuum and computational mechanics is required. Please send vita to Prof. Valery Levitas (vlevitas@iastate.edu).

Info about Prof. Levitas group can be found at

Cai Wei's picture

Postdoctoral Position Opening at Stanford University

Prof. Wei Cai at the Mechanical Engineering Department of Stanford University is seeking a postdoctoral researcher to lead a project on the modeling of grain structure evolution in the surface layer under friction.  The major task of this project is the development of a phase field model for grain/sub-grain structure evolution under friction.  It is likely that molecular dynamics and dislocation dynamics simulations would be required as well to obtain a good physical understanding of the process.

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