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From the Director
 
2021 Annual Report highlights our many achievements
I’m pleased to announce the launch of the Nanocomm Hub’s 2021 Annual Report. The report underscores how Hub members have worked together, through unpredictable times and unprecedented challenges, to advance construction materials and technologies for a more efficient, sustainable and liveable Australia.

The Annual Report presents the background, aims and goals, and innovations and key findings of select work in the areas of carbon neutrality, construction, asset management, transport, and mining and robotics. This wide-ranging nanoscience-based research has relied on strong and lasting industry partnerships. 

In the “Featured people and equity” section of the report, you’ll find a collection of stories showcasing the recent achievements of some of our young researchers, and the many ways that the Hub has boosted their careers. This section also illustrates how dedication and passion can drive success.

I hope you enjoy reading our latest Annual Report and that you might take away a few nuggets.


Wenhui Duan
Director, ARC Nanocomm Hub

FEATURED STORY

Machine learning to prevent structure failure from cracks 

A cracked structure could be a disaster waiting to happen. That’s why it’s critical to determine how a crack is likely to advance and compromise a structure’s ability to withstand stress. By predicting potential damage, swift action can be taken to ensure a structure’s safety and reliability. But such prediction is not simple – it must take into account the continuously changing uncertainties of a complex structure in different loading environments. 

To meet these challenges, Hub Chief Investigator Professor Wei Gao and his team at the University of New South Wales have developed a non-deterministic (ie, producing different outcomes for the same input in different runs) damage prediction framework for 2D and 3D fracture problems. Powered by machine learning, their framework can assess a structure’s working condition in real time, generating a continuous damage diagnosis-prognosis loop.

The team has incorporated their damage prediction framework into a phase-field method designed specifically for structural fractures. The phase-field method is commonly used to simulate crack growth – initiation, propagation, branching and merging – without needing to trace the fracture surface. Together these technologies  deliver the predictive power needed to facilitate structural safety and prevent failure from cracks.

Professor Gao’s work not only contributes to the advancement of computational fracture mechanics, machine learning and structural safety, it shows potential for a wide range of applications in both engineering and science. His novel damage prediction framework will no doubt inspire a multitude of tougher, more durable materials and structures.

FEATURED PERSON

Digging deep for safer and greener mining



As Associate Research Fellow in Mineral Resources Engineering at the University of Wollongong (UOW), Dr Xiaohan Yang dedicates himself to the mitigation and prevention of dynamic hazards in underground coal mines. 

Xiaohan’s ambition flows from his earlier doctoral research at UOW where, under the supervision of Professor Ting Ren and Professor Alex Remennikov, he helped develop a new protective system for continuous miners (machines that both cut and load coal).

Supported by the Nanocomm Hub, Xiaohan has investigated the energy and mechanical mechanisms behind the fracture of brittle rocks under stress. By quantitatively defining the energy scale of underground dynamic effects, he has produced an important scientific reference to inform both the design and verification of protective devices and other control measures. 

Reflecting on his experience at the Hub, Xiaohan says, “It’s an excellent platform for young researchers to expand their interdisciplinary knowledge, enjoy a multicultural environment and get comprehensive academic training.”
 
Prior to his arrival at UOW, Xiaohan earned a Bachelor of Engineering in Mining Engineering at the China University of Mining and Technology.

Xiaohan has now set his sights on analysing rock failure under extreme conditions. He hopes this exploration will lead to more sustainable underground storage of mining waste and nuclear wastewater, contributing to a circular economy.

UPCOMING EVENTS

RILEM YOUTH COUNCIL Peer-to-Peer webinar:
3D Printing and Nanotechnology for Sustainable Construction

Time: Tuesday July 26th, 2022 at 4PM Sydney Time (8AM Paris Time) 

Topic: Peer-to-Peer Webinar: 3D Printing and Nanotechnology for Sustainable Construction
  • Speaker 1: Dr Shujian Chen, Lecturer, University of Queensland
  • Title: From the flea’s legs to damage tolerant building materials
  • Speaker 2: Arun R. Arunothayan, PhD Candidate, Swinburne University of Technology
  • Title: 3D Printing of Ultra-High Performance Concrete for Digital Construction Applications
This webinar is brought to you by the RILEM Youth Council (RYC) and hosted by Dr Marie Joshua Tapas, RYC Pacific Representative.

For more information and free registration, click here.

The Seventh International Symposium on Nanotechnology in Construction (NICOM7)

 
Thank you once again for your interest in participating in NICOM7. We encourage you to complete your registration and submit your full paper/extended abstract early at:

https://www.monash.edu/nanocomm/NICOM7/registration
https://www.monash.edu/nanocomm/NICOM7/abstract-paper-submission

Should you have further queries, please contact
nicom7@nanocomm.org.
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