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Journal Club for June 2024: Material strength under high dynamic pressures

Suraj Ravindran

Department of Aerospace Engineering and Mechanics, University of Minnesota

 

1. Introduction

lijianyu's picture

Journal Club for June 2020: Mechanically instructive biomaterials: a synergy of mechanics, materials and biology

 

Mechanically instructive biomaterials: a synergy of mechanics, materials and biology

Zhenwei Ma, Jianyu Li

Department of Mechanical Engineering, McGill University, Montreal, Canada

 

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Markus J. Buehler's picture

MIT Short Course: Machine Learning for Materials Informatics (Jul 29 - Aug 2, 2024)

Dera iMechanica Community,

Below is information about a short course I will be offering at MIT this summer, in Live Virtual format: Machine Learning for Materials Informatics (Jul 29 - Aug 2, 2024).  This is an exciting opportunity that will cover fundamentals and applications in the emerging space of AI/ML for engineering, featuring hands-on interactive code development in Jupyter notebooks. We'll do a deep dive into all critical tools from autoencoders to graph neural nets to multimodal LLMs and multi-agent modeling. Please reach out to me if you have any questions.

mohsenzaeem's picture

Length scale insensitive phase-field fracture methodology for brittle and ductile materials

Dear colleagues, I would like to share our new article (open access) that presents length scale insensitive phase-field fracture models for brittle and ductile fracture to address the deficiencies of the widely implemented models which over-estimate crack dissipation. 

W. Huber and M. Asle Zaeem. Length scale insensitive phase-field fracture methodology for brittle and ductile materials. Theoretical and Applied Fracture Mechanics 133 (2024) 104500.

Mike Ciavarella's picture

Cancelling the effect of sharp notches or cracks with graded elastic modulus materials

Dear colleague

   I wonder if you could be interested in this idea of "Cancelling the effect of sharp notches or cracks with graded elastic modulus materials", particularly if you know who could help doing some experiments. Thanks for any comment, since this is a preprint it would be useful to discuss to make improvements.    RegardsMike    Cancelling the effect of sharp notches or cracks with graded elastic modulus materials

PhD position: Finite Element Modelling of the Extracellular Matrix

Universidad Carlos III de Madrid (UC3M, www.uc3m.es) invites to apply for the following PhD position at the Department of Continuum Mechanics and Structural Analysis:

Ref. HFSP-ECM-PhD: Modelling the extracellular matrix for vibrational information transfer between living cells

Please read the attached load for a complete description of the PhD topic, and conditions.

mohsenzaeem's picture

A phase-field model for study of ferroelastic deformation behavior in yttria stabilized zirconia

Dear colleagues, our new article (open access) is just published in Acta Materialia. In this research, we provide new insights into the mechanism of ferroelastic deformation by studying the evolution of domains in different microstructure patterns and under different loading directions and strain rates.

A. Bhattacharya and M. Asle Zaeem. A phase-field model for study of ferroelastic deformation behavior in yttria stabilized zirconia. Acta Materialia (2024) 120039.

PhD position: Machine Learning and Finite Element Modeling

We are looking for an enthusiastic student with a MSc degree to conduct research in the area of Machine Learning and finite element modelling of materials. Students with a degree in mechanical or materials engineering or mathematics are encouraged to apply.

 

Fan Xu's picture

Computational morphology and morphogenesis for empowering soft-matter engineering

Morphing soft matter, which is capable of changing its shape and function in response to stimuli, has wide-ranging applications in robotics, medicine and biology. Recently, computational models have accelerated its development. Here, we highlight advances and challenges in developing computational techniques, and explore the potential applications enabled by such models.

Yifan Yang, Fan Xu*

Nature Computational Science, 2024, https://doi.org/10.1038/s43588-024-00647-y

arash_yavari's picture

Universal Deformations and Inhomogeneities in Isotropic Cauchy Elasticity

For a given class of materials, universal deformations are those deformations that can be maintained in the absence of body forces and by applying solely boundary tractions. For inhomogeneous bodies, in addition to the universality constraints that determine the universal deformations, there are extra constraints on the form of the material inhomogeneities—universal inhomogeneity constraints. Those inhomogeneities compatible with the universal inhomogeneity constraints are called universal inhomogeneities.

Funded M.S. and Ph.D. Student Positions in Additive Manufacturing

The Advanced Manufacturing Research Group in the Department of Aerospace Engineering at Embry-Riddle Aeronautical University (ERAU) invites applications for multiple fully supported M.S. and Ph.D. student positions starting in Fall 2024 / Spring 2025. Our current interdisciplinary research projects focus on next-generation additive manufacturing of high-performance composite materials (experiments and modeling) with various applications in aerospace, automotive, electronics, and biomedical industries.

joodaky's picture

Post-Doc position in Solid Mechanics and Vibrations at Michigan State University

We are currently seeking a highly motivated candidate for a Post-Doc position in the School of Packaging at MSU. The focus of this position will be on studying the vibrations experienced by packages during transportation, their stabilty, and structural mechanics. This research will involve utilizing various tools and techniques such as a vibration shaker, acceleration sled, FEM simulations, DIC, nonlinear computational models, and more. To be considered for this position, the ideal candidate should possess the following qualifications:

Assistant Professor (Tenure Track) or Associate Professor in Digitalization for Structural Engineering

Do you want to understand how digitalization can revolutionize civil engineering structures? Do you want to bridge the gap between academia and industry in your daily work? Are you eager to share your research with our students so that they can make the difference tomorrow? Then you could be the new colleague we are looking for. The Department of Civil and Architectural Engineering of Aarhus University is looking for a visionary Assistant Professor (Tenure Track)/Associate Professor in the area of Digitalization for Structural Engineering.

4-year PDRA position at University of Glasgow

New 4-year PDRA position at University of Glasgow, deadline 11th July 2024

dorduncu's picture

A review of peridynamic theory and nonlocal operators along with their computer implementations

This study presents a comprehensive exploration of Peridynamic (PD) theory, with a specific focus on its theoretical foundations and practical implementations, including various PD formulations and PD operators. The objective is to highlight the unique attributes of each PD formulation and assess their suitability in the framework of material failure simulations by providing an extensive literature review.

Kmomeni's picture

PhD Position in Multiscale Mechanics and Materials

A fully supported Ph.D. position is open immediately in Advanced Hierarchical Materials by Design Lab at the University of Alabama. This role focuses on the multiscale modeling of materials, specifically for the additive manufacturing of metals. The successful candidate will engage in detailed modeling of the additive manufacturing process and the development of novel metal alloys, utilizing techniques such as continuum mechanics, phase-field modeling, CALPHAD simulations, and molecular dynamics models.

PhD position(s) in modeling of the interaction between phase transformations and plasticity

PhD position(s) is available for Fall 2024 or Spring 2025 in the Engineering Mechanics program in the Aerospace Engineering Department at Iowa State University (USA) to perform the theoretical and computational part of work on NSF- and ARO-funded projects on the interaction between phase transformations and plasticity at high pressures. Phase-field, micromechanical, and macroscale simulations using FEM are of interest in close collaboration with high-pressure experiments performed in our lab and at governmental synchrotron radiation facilities. MS degree is required.

Jinxiong Zhou's picture

A semi-analytical time-domain model with explicit fluid force expressions for fluidelastic vibration of a tube array in crossflow

It is widely acknowledged that fluidelastic instability (FEI), among other mechanisms, is of the greatest concern in the flow-induced vibration (FIV) of tube bundles in steam generators and heat exchangers. A range of theoretical models have been developed for FEI analysis, and, in addition to the earliest semi-empirical Connors’ model, the unsteady model, the quasi-steady model and the semi-analytical model are believed to be three advanced models predominant in the literature.

Jinxiong Zhou's picture

A semi-analytical time-domain model with explicit fluid force expressions for fluidelastic vibration of a tube array in crossflow

It is widely acknowledged that fluidelastic instability (FEI), among other mechanisms, is of the greatest concern in the flow-induced vibration (FIV) of tube bundles in steam generators and heat exchangers. A range of theoretical models have been developed for FEI analysis, and, in addition to the earliest semi-empirical Connors’ model, the unsteady model, the quasi-steady model and the semi-analytical model are believed to be three advanced models predominant in the literature.

Jinxiong Zhou's picture

A semi-analytical time-domain model with explicit fluid force expressions for fluidelastic vibration of a tube array in crossflow

It is widely acknowledged that fluidelastic instability (FEI), among other mechanisms, is of the greatest concern in the flow-induced vibration (FIV) of tube bundles in steam generators and heat exchangers. A range of theoretical models have been developed for FEI analysis, and, in addition to the earliest semi-empirical Connors’ model, the unsteady model, the quasi-steady model and the semi-analytical model are believed to be three advanced models predominant in the literature.

zhujg's picture

Postdoc Positions at Jiangsu University, China

Postdoc positions are available at Jiangsu University, China. Those possessing PhDs in the area of mechanical engineering and non-destructive evaluation are sought. We are particularly interested in candidates with experience in experimental and computational mechanics, composite materials and structures etc. Also, candidates with experience in machine learning or material science etc. are also welcome for inter-discipline research.

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