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Discussion of fracture paper #35 - What is Finite Fracture Mechanics?

The subject of this blog is a well-written and technically detailed study of thermal crack initiation where an adhesive joint between two dissimilar materials meets a free surface. The method that is used goes under the group designation finite fracture mechanics. The paper is:

"Predicting thermally induced edge-crack initiation using finite fracture mechanics" by S. Dölling, S. Bremm, A. Kohlstetter, J. Felger, and W. Becker. in Engineering Fracture Mechanics 252 (2021) 107808.

PhD position in computational geomechanics and probabilistic methods at University of Cincinnati

Dr. Lei Wang’s research group at the University of Cincinnati (UC) is seeking two high-motivated and talented PhD students to be appointed as Graduate Assistants to conduct geotechnical engineering research in the Department of Civil and Architectural Engineering and Construction Management, beginning January 2023 or August 2023. 

 

Post-doctoral position at the University of Zaragoza, Spain

POST-DOCTORAL POSITION WITHIN THE PROJECT

"Physics-informed Artificial Intelligence for Cognitive Twins of Complex Systems"

Zhangxian Yuan's picture

Ph.D. positions in Computational Solid Mechanics at Worcester Polytechnic Institute

Fully funded Ph.D. positions in the area of computational mechanics are available in Dr. Yuan’s research group at the Aerospace Engineering Department at Worcester Polytechnic Institute.e

 

Joshua's picture

Mechanical couplings of 2D lattices uncovered by decoupled micropolar elasticity tensor and symmetry operation

We introduce a generalized methodology to uncover all mechanical couplings in 2D lattice geometries by obtaining the decoupled micropolar elasticity tensor. We also correlate the mechanical couplings with the point groups of 2D lattices by applying the symmetry operation to the decoupled micropolar elasticity tensor. The decoupled micropolar constitutive equation reveals eight mechanical coupling effects in planar solids, four of which are discovered for the first time in the mechanics' community.

Harold S. Park's picture

Tenure-Track Faculty Position in Engineered Living Materials

The College of Engineering at Boston University has embarked on a bold new strategic plan that will pursue excellence and impact along convergent themes: (1) Intelligent, Autonomous and Secure Systems, (2) Synthetic Biology, Tissue Engineering and Mechanobiology, (3) Energy, Sustainability and Climate, (4) Materials by Design, (5) Photonics and Optical Systems, and (6) Neuroengineering, Neuroinformatics, and Neuroscience.

New webinar: Introduction of Composite Material Analysis Technology by Integrating Actual Testing and CAE

Join Synopsys Simpleware software, CYBERNET Multiscale.Sim, and Shimadzu Corporation for a webinar on Thursday, October 13th, 2022 on composite material analysis integrated actual testing and CAE.

Learn more and register here: https://register.gotowebinar.com/rt/204553566873541131?source=iMechanica

Problem-independent machine learning (PIML)-based topology optimization—A universal approach

     Solving topology optimization problem is very computationally demanding especially when high resolution results are sought for. In the present work, a problem-independent machine learning (PIML) technique is proposed to reduce the computational time associated with finite element analysis (FEA) which constitutes the main bottleneck of the solution process.

enrico.salvati1's picture

Defect-based Physics-Informed Machine Learning Framework for Fatigue Prediction

I would like to draw your attention to our recently proposed predictive method based on a semi-empirical model (LEFM) and Neural Network, exploiting the Physics-informed Machine Learning concept. We show how the accuracy of state-of-the-art fatigue predictive models, based on defects present in materials, can be significantly boosted by accounting for additional morphological features via Physics-Informed Machine Learning.

smuftu's picture

Post-doctoral position

A post-doctoral position in the general area of material science and mechanics related to wire arc additive manufacturing (WAAM) is available in the Mechanical Engineering Department at Northeastern University, Boston, MA. The aim of the work is to investigate the thermomechanical causes of residual stresses and to assess the general build quality by experimental and modeling approaches.  FLIR and other non-contact measurement techniques will be used for in-situ process monitoring.

Zheng Jia's picture

Delayed tensile instabilities of hydrogels

Jie Ma, Daochen Yin, Zhi Sheng, Jian Cheng, Zheng Jia*, Teng Li, Shaoxing Qu, Delayed Tensile Instabilities of Hydrogels, Journal of the Mechanics and Physics of Solids, 168, 105052 (2022)

Gilbreth Postdoc Fellow - Bone Deformation and Fracture

The College of Engineering at Purdue University is accepting applications for the next Gilbreth Postdoc Fellowship cohort. Information about this program is at:

https://engineering.purdue.edu/Engr/Research/GilbrethFellowships#topics

Specifically, I am inviting candidates interested in research on deformation and fracture of bone to apply:

Tenure Track Faculty Position - Biomechanics

The School of Mechanical Engineering is seeking applications for a tenure track faculty position in the area of biomechanics.

The position description is available at:
https://careers.purdue.edu/job/West-Lafayette-Assistant-or-Associate-Professor-of-Mechanical-Engineering-Biomechanics-IN-47906/932366300/

PhD Position at New Jersey Institute of Technology

The Computational Soft Matter Lab (https://farokhirad.com) at the New Jersey Institute of Technology (NJIT) has an opening for a fully-funded PhD position in Mechanical Engineering, starting in Spring or Fall 2023.

The successful candidate will conduct research in the areas of multiphase flows and interfacial transport phenomena involving droplet/particle interactions.

susanta's picture

Article: An Atomistic-based Finite Deformation Continuum Membrane Model for Monolayer Transition Metal Dichalcogenides

Highlights

• A finite-deformation crystal-elastic membrane model for TMD monolayers is presented.

• Strains of the middle surface and two normal-stretches describe the deformation.

• The continuum hyperelastic strain energy is obtained from an interatomic potential.

• The present model matches well with the purely atomistic simulations.

Abstract

Postdoc in network-inspired models of heterogeneous materials

Are you interested in becoming a pioneer of novel network-inspired models to predict the properties of heterogeneous materials? Then the Department of Mechanical and Production Engineering, Aarhus University, invites you to apply for a 2.5-year postdoc position.

Expected start date and duration of employment
This is a 2.5-year position starting on 01.12.2022 or as soon possible.

Postdoctoral positions at Shanghai Jiao Tong University

Postdoctoral positions are open in Meng’s group at the School of Mechanical Engineering, Shanghai Jiao Tong University. Those having (about to get) a PhD degree in the areas of solid/fluid mechanics, wave dynamics, material engineering are welcome to apply.

M. Jahanshahi's picture

Temperature-dependent multiscale modeling of graphene sheet under finite deformation

The homogenized constitutive models that have been utilized to simulate the behavior of nanostructures are typically based on the Cauchy–Born hypothesis, which seeks the fundamental properties of material via relating atomistic information to an assumed homogeneous deformation field. It is well known that temperature has a profound effect on the validity and size-dependency of the Cauchy-Born hypothesis in finite deformations.

Webinar: Automated Segmentation and Design Workflows for Patient-Specific Surgical Guides

Join the Simpleware Product Group at Synopsys and nTopology for a webinar this month on automated segmentation and design workflows for patient-specific surgical guides.

Learn more and register for this free event here: https://register.gotowebinar.com/register/3232312822632785679?source=iMe...

susanta's picture

Faculty position in the department of Mechanical Engineering-Engineering Mechanics at the Michigan Tech

Hi,

Our department of Mechanical Engineering-Engineering Mechanics (MEEM) at Michigan Tech is currently searching for outstanding new colleagues in space technology, aerospace technology, NVH, acoustics/noise control, composites, and electric vehicles. Still, we are also open to other fields. We are currently looking to fill tenure-track positions at all levels.  Finding and encouraging talented senior graduate students, postdocs, and colleagues to apply for opportunities is challenging. 

 

Blaise Bourdin's picture

Postdoctoral positions at McMaster University

I am looking for several year postdoctoral fellows to join my research group on variational phase-field models of fracture at McMaster University. 

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