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linst06's picture

Journal Club for July 2020: Fatigue-resistant hydrogels: Principles, Experiments, and Applications

  

 

Fatigue-resistant hydrogels: Principles, Experiments, and Applications

Shaoting Lin, Xuanhe Zhao

1.     Introduction

Bin Wang's picture

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Layered nanocomposites by shear-flow-induced alignment of nanosheets, Chuangqi Zhao, Lei Jiang, Mingjie Liu, Nature, 2020 

 

Novelty/impact/significance:

Mayank Patni's picture

Variable kinematics continuum finite element

Willing to share the work done in my Ph.D. thesis ("An efficient numerical framework for capturing localised 3D stress fields in laminated composites). The basic code (written in FORTRAN 90) is available on GITHUB (Check the following link). 

Teng Li's picture

EML Webinar by Prof. Chiara Daraio on July 1, 2020: The Mechanics of Robotic Matter

EML Webinar on July 1, 2020 will be given by Prof. Chiara Daraio at Caltech via Zoom meeting. Discussion leader: Teng Li, University of Maryland.

Siddiq Qidwai's picture

Foundational Research in Robotics (Robotics) Program: CAREER Office Hours

NOTE: This announcement is relevant to US academic researchers only.

NSF will host a series of virtual office hours for researchers considering submitting a CAREER proposal to the new Foundational Research in Robotics (Robotics) program this summer. Come prepared to ask questions to the Robotics program directors or just join to hear what others want to know. 

Topic: Robotics Program: CAREER Office Hours

Antonio Papangelo's picture

Interfacial Dissipative Phenomena in Tribomechanical Systems

Dear Colleagues,

In the last twenty years, tribology and nonlinear dynamics have included several major contributions related to key topics such as rough contact, friction, damping mechanisms, and dynamical behaviour of nonlinear systems, which are paving the way for future engineering challenges. The two fields are largely intertwined as, among the others, contact nonlinearities are almost omnipresent in any technical application ranging from the development of NEMS/MEMS to bioengineering, automotive, civil/mechanical industry, and aerospace.

USACM Virtual Seminar by John Evans, UC Boulder

The USACM is happy to announce a virtual seminar this week on Thursday, June 25th at 3pm Eastern.  The title of the seminar is "Data-Driven Turbulence Modeling and Simulation: From RANS to LES".  An abstract of the talk is available here:

https://unsacm.memberclicks.net/assets/docs/Evans_2020.06.25_2pm.pdf

We have a number of seats available to anyone interested.  We just ask attendees to register at this page:

MNasr's picture

Deformation Mechanisms in Gold Nanoporous

Our recent work on nanoporous gold addresses defrmation mechanisms in nanoporous gold through molecular dynamics simulations, proposing the use of load transfer between nanopores for biosensing applications. Check details: https://www.researchgate.net/publication/341137264_Molecular_Dynamics_Simulations_of_Deformation_Mechanisms_in_the_Mechanical_Response_of_Nanoporous_Gold

MNasr's picture

Honeycomb Nanoporous Silicon with Magic Properties

Our recent study through molecular dynamics simulations represents a new approach to improve the mechanical behaviour of nanoporous silicon through controlling the pore shape. In this work, a high strength and ductile structure is obtained for honeycomb nanoporous strucutres.

Bin Wang's picture

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Graphene reinforced carbon fibers, Zan Gao, et al., Xiaodong Li, 2020

Teng Li's picture

EML Webinar by Prof. Michael Dickey on June 24, 2020: Liquid metals at the extreme

EML Webinar on June 24, 2020 will be given by Prof. Michael Dickey, NC State University. Discussion leader: Hanqing Jiang, Arizona State University.

Dr. Hanaor - Department of Ceramic Materials - TU Berlin's picture

Freeze casting of novel materials

Freeze casting presents exciting new avenues towards high performance materials with aligned pore structures.

Bone scaffolds, highly elastic composites and nacre mimetic materials can all be produced by means of freeze casting methods. 

This comprehensive review presents recent development in terms of materials and processing

 

 

LIU WANG's picture

Hard-magnetic Elastica

Stroke is #1 cause of long-term disability and #4 cause of death in the US. Most of the patients are not treated in time due to unavailability of professional neurosurgeons on site. We have developed a ferromagnetic soft continuum robot for tele-operated and autonomous navigation and treatment of strokes. The foundation is the hard-magnetic elastica theory which offers a fast and accurate prediction of the large deformation of the ferromagnetic soft continuum robot.

Oscar Lopez-Pamies's picture

Revisiting Nucleation in the Phase-Field Approach to Brittle Fracture

Twenty years in since their introduction, it is now plain that the regularized formulations dubbed as phase-field of the variational theory of brittle fracture of Francfort and Marigo (1998) provide a powerful macroscopic theory to describe and predict the propagation of cracks in linear elastic brittle materials under arbitrary quasistatic loading conditions. Over the past ten years, the ability of the phase-field approach to also possibly describe and predict crack nucleation has been under intense investigation.

xiangzhang's picture

Frontal vs. bulk polymerization of fiber-reinforced polymer-matrix composites

Dear colleagues,

This paper on  comparison between frontal and bulk polymerization of polymer matrix compositres using a non-dimensional solver is published in Composite Science and Technology. If you would like to take a look, full paper is avaiable at the publisher and Researchgate.

Abstract:

Jingjie Yeo's picture

Discovery and design of soft polymeric bio-inspired materials with multiscale simulations and artificial intelligence

https://doi.org/10.1039/D0TB00896F It is my privilege and honor to be highlighted as the Journal of Material Chemistry B's Emerging Investigators for 2020. Together with our group's young budding scientists, Chenxi Zhai, Tianjiao Li, and Haoyuan Shi, we review the discovery and design of next-generation bio-inspired materials by harnessing the virtual space in materials design: materials omics (materiomics), materials informatics, computational modelling and simulations, artificial intelligence (AI), and big data.

Kaushik Dayal's picture

Statistical Mechanical Analysis of the Electromechanical Coupling in an Electrically-Responsive Polymer Chain

This is the preprint of an article that will appear in Soft Matter (doi.org/10.1039/D0SM00845A)

Statistical Mechanical Analysis of the Electromechanical Coupling in an Electrically-Responsive Polymer Chain

Matthew Grasinger and Kaushik Dayal
Carnegie Mellon University

USACM Virtual Seminar Series this Summer

The USACM has established a virtual seminar series that will run for six weeks over the course of this summer.  Exact dates and times will vary each week, but a full listing of the speakers is available here:

https://www.usacm.org/seminar-series

The series features young computational mechanicians from across the US.  The talks are an opportunity for these young scientists to showcase their research activities during a period in which so many conferences and meetings are being cancelled or postponed.  

Emilio Martínez Pañeda's picture

Generalised boundary conditions for hydrogen transport at crack tips

Dear iMechanicians,

I hope the present work is of interest to you. We present a new formulation for resolving the electrochemical-diffusion interface in hydrogen embrittlement modelling 

E. Martínez-Pañeda, A. Díaz, L. Wright, A. Turnbull

Generalised boundary conditions for hydrogen transport at crack tips

Corrosion Science 173, 108698 (2020)

https://www.sciencedirect.com/science/article/pii/S0010938X20305345

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