Spotlight on Young Researchers: Paul Hauseux

 

Paul Hauseux was always interested in science, but only recently settled on the researcher path. Before that, his career ambitions stretched from working in sports or music to teaching science. Some years and a PhD later, the French national has come to Luxembourg for his computational engineering Postdoc in the team of ERC grantee Stéphane Bordas at the University of Luxembourg.

“I had the opportunity to do a PhD at University of Lille and this experience with research convinced me to continue in this direction”, Paul says about how he ended up becoming a researcher, adding:

“I like to continuously learn and I have a lot of scientific curiosity. Research gives me freedom and independence and it also enables me to travel, particularly to conferences. In most cases, researchers work in universities and a part of their work is teaching, an aspect I also appreciate.”

After completing his PhD in France, which was funded by the French national radioactive waste management agency (ANDRA), Paul was looking for a place to do a Postdoc. He stumbled across an open position in his field at the Institute of Computational Engineering at the University of Luxembourg, and in January 2016 he came to Luxembourg.

Modelling the effects of uncertainty

Paul works with Prof Stéphane Bordas in the Engineering Science research unit at the University and is a member of the Legato team, which aims to build intuitive and interactive platforms for computational mechanics problems. Paul specifically works on “stochastic finite element methods” – but what exactly is that?

Various fields such as mechanics, geophysics, dynamical systems, statistical physics and mathematical finance rely on modelling what effect uncertainty could have on the output of a system. When it is impossible to analytically solve a problem, numerical methods – such as the ‘finite element method’ are used to develop a model that approximates a solution.

Paul says: ”When parameters involved in the model have a certain degree of uncertainty, stochastic methods, e.g. the stochastic finite element method, are used to take into account this uncertainty. Uncertainties can be modelled by both random variables and random fields in my research.”

“Numerical models and simulations are now commonly used to assist clinicians. I work on the simulation of soft tissue undergoing large deformations and address the problem of quantifying the effect of uncertainties on certain quantities of interest to the user e.g. displacement in a region. The picture shows the numerical results of the displacement of the brain and a target in the brain during brain shift (during a surgery). Monte Carlo methods are employed to propagate uncertainty and so provide statistical results. These methods lead to a collection of independent realisations of the forward model to solve and the picture shows the results for a given set of parameters.”

So what exactly does life look as a computational engineering researcher? It comes to no surprise that daily activities involve spending a lot of time on the machine you are working to improve:

“I spend practically all my day working on a computer. I split my time between implementing new numerical methods and reading scientific papers. Discussions with my colleagues and my advisor are also necessary to make progress and guide my research in the right direction. It is important to be aware of new advances in my field.

“When I obtain interesting results then it is time to write a paper and to attend conferences and/or seminars to show and share my work with other researchers. It also gives me the opportunity to learn, to meet new people and start collaborations. The researcher who is 100% alone and locked in his office is almost non-existent!”

In terms of career goals, Paul would like to have his own research programme and improve the scientific knowledge in his domain. “I would also be glad if my methods can be used by the industry, because there is still a big gap between scientific publications and what it is really made in the industrial sector. On top of that, writing a book before the end of my career is also an objective”, Paul says.

Luxembourg research has “significant potential”

“I originally thought that I would stay for a short experience, but I quickly realised working conditions here are excellent”, Paul says, adding that he was able to extend his initial contact, also pointing out that Luxembourg has some significant potential to become a research destination:

“The creation of the Centre of Excellence in Scientific Computing will enable connections between the different communities. In Luxembourg and with the new campus in Belval, a large diversity of disciplines is present in the same location. All disciplines have everything to gain, to share and bring together important resources concerning computational sciences, because they all use common bases.

“This centre will also help to build partnerships with companies. Finally, most people who come to Luxembourg want to stay because Luxembourg is also a pleasant place to live.”

Paul Hauseux

About Spotlight on Young Researchers

Spotlight on Young Researchers is an FNR initiative to highlight early career researchers across the world who have a connection to Luxembourg. This article is the 13th in a series of around 25 articles, which will be published on a weekly basis. You can see more articles below as and when they are published.

Spotlight on Young Researchers: Understanding how language manifests in the brain

At KU Leuven, Luxembourg national Jill Kries is part of a research team driven by understanding how cognition and brain structure develop over time in language-related disorders and how this knowledge can be applied in a clinical or educational setting. We take a closer look at the work of the young team.

Spotlight on Young Researchers: Sebastian Scheer

Senior Postdoc Sebastian Scheer’s thirst for understanding how biological systems work led him to dive into the world of immunology research. After moving from Germany to Canada, the Luxembourg national got the chance to set up his group leader’s new lab in Australia, where his research revolves around the T cell, a key player in the shaping of immune responses.

Spotlight on Young Researchers: The human gut microbiome and the clues it holds

Research is steadily painting a picture revealing the significance the human gut microbiome plays in health and disease. From gastrointestinal tract disorders to the beginnings and treatment of Parkinson’s disease and beyond, the gut microbiome is a treasure trove of clues for researchers. We speak to three women in science – a biomedical scientist, a microbiologist and a bioscience engineer – about organs-on-chips and restoring an imbalanced microbiome.

Spotlight on Young Researchers: Pier Mario Lupinu

When one thinks of banks and financial institutions, the word ‘research’ may not come to mind. However, research has much to offer these institutions, for example new tools to help with delivering critical services. As part of his PhD at the University of Luxembourg, Italian national Pier Mario Lupinu researches issues related to post-resolution in banking and finance.

Spotlight on Young Researchers: The historical relationship between the European Community and the Soviet Union

As war rages in Ukraine, the topic PhD candidate Claude Ewert has been researching for the past three years is perhaps more relevant now than ever: the relationship between the European Community and the Soviet Union. The historian is gathering valuable information on the EC’s early foreign policy and the obstacles that had to be overcome to try to make the Community speak with one voice.

Spotlight on Young Researchers: How is scientific quality fostered by research collaboration?

In the last decades, how research is conducted has been profoundly changed by ICT, and there has also been a shift from the ‘sole genius’ towards teamwork and especially interdisciplinarity: Today, millions of researchers worldwide collaborate across organisational, disciplinary, and cultural boundaries, extending the possibilities of new scientific discovery. This, and the associated data, has paved the way for the scientific field Science of Science, where one key question is understanding exactly how scientific quality is fostered by research collaboration.

Spotlight on Young Researchers: Michel Summer

For his AFR PhD at Trinity College Dublin, historian Michel Summer is re-assessing the political activity of medieval Anglo-Saxon missionary Willibrord, who in addition to being a landowner, scholar and ambassador, founded a monastery in Luxembourg. We spoke to the Luxembourg national about how history promotes critical thinking, and why he believes historians are needed more than ever.

Spotlight on Young Researchers – revisited 5 years later: From drones to space robotics

When we wrote about Miguel Olivares Mendez in the 2017 edition of Spotlight on Young Researchers, the researcher was working on an FNR JUMP project, focussing on developing algorithms for autonomous drones. The robotics scientist has continued to build his research career in Luxembourg – 5 years later, Miguel is a Professor leading a research group with a focus on space robotics.

Spotlight on Young Researchers: Maxime Brami

Archaeologist and trained anthropologist Maxime Brami works on uncovering the origins and spread of agriculture, and has just landed a sought-after Marie Skłodowska-Curie Individual Fellowship. We speak to the Luxembourg national about what it’s like to be an archaeologist in academia, the collaborative nature of the field and why archaeologists have a certain responsibility.

Spotlight on Young Researchers: Anna Monzel

Anna Monzel cites her thirst for new knowledge and discoveries as a key contributor in her choosing to follow the path of science. Drawn to Luxembourg because of its interdisciplinary approach, the German national developed a 3D model of the human midbrain for her PhD at the LCSB at the University of Luxembourg – which earned her a Lush Young Researcher Prize.

Spotlight on Young Researchers: Konstantinos Papadopoulos

During his computer science studies, Konstantinos Papadopoulos realised how many unexplored areas there are in the field and his desire for becoming a researcher was born. Now in the 2nd year of his PhD at the SnT at the University of Luxembourg, the Greek national works on developing innovative new approaches to security surveillance.

Spotlight on Young Researchers: Ramona Pelich

Ramona Pelich uses data from satellites in space to improve maritime surveillance and flood hazard monitoring. Splitting her time between the Luxembourg Institute of Science and Technology (LIST) and the company LuxSpace as part of her AFR-PPP Postdoc, the Romanian national’s work has already found direct application when flood maps she co-developed were used in the aftermath of destructive 2017 hurricanes Harvey and Irma.

Spotlight on Young Researchers: Harnessing the potential of the Internet of Things and satellites to make smart agriculture a reality

Lack of access to fast and reliable Internet in rural and remote areas is a [multi-step] challenge that must be addressed to pave the way for smart agriculture and precision farming, a vital step toward ensuring food security in a changing climate. In the quest for smart agriculture, researchers are working on solutions for connecting Internet of Things (IoT) with satellite communication (SATCOM) systems.

Spotlight on Young Researchers: An algorithm to allocate satellite resources

When the first satellite was launched in the 1950s, earth orbit was a lonely place. Since then, more than 11,000 satellites have been launched into space and over 3,000 are still in operation. Estimates suggest an exponential increase in satellites in the next years, creating a challenge for the effective allocation of the needed bandwidth and power. Researchers are developing algorithms to more effectively allocate the resources where and when they are needed.

Spotlight on Young Researchers: Carole Lara Veiga de Sousa

Why can our bodies defend itself against some diseases but not others? This is something Carole Lara Veiga de Sousa has always been eager to understand. In the framework of her PhD at the Luxembourg Centre for Systems Biomedicine (LCSB) and Luxembourg Institute of Health (LIH), the Portuguese national took at closer look at the microglial cells – immune cells in the central nervous system – and what impact they have on the brain’s ability to fend of infections.

Spotlight on Young Researchers: Laurie Maldonado

Laurie Maldonado’s research focuses on single-parent families. After suddenly becoming a single parent herself, she experienced first-hand how quickly single-parent families can fall into poverty in the United States, not knowing if she could continue her research. Then Laurie secured an AFR PhD grant, conducting her research at the LIS Cross-National Data Center in Luxembourg and at UCLA. A few years and a successful PhD defence later, we talked with Laurie about her journey and her close-to-home research.

Spotlight on Young Researchers: Nina Hentzen

Nina Hentzen, an organic chemist working on the chemical synthesis of collagen, is fascinated by research at the interface of chemistry and biology. The Luxembourg national is in the second year of her AFR PhD at ETH Zürich – and has just been selected to attend the renowned 2017 Lindau Nobel Laureate Meeting.

Spotlight on Young Researchers: Xianqing Mao

Xianqing Mao comes from a family of professors and doctors and thus has always had a natural interest in science. The Chinese national completed a medical degree, but felt she still had unanswered questions, so she decided to go abroad and took a leap into biomedical research. After stays in France, the UK, the United States and Belgium, Xianqing is now transitioning from junior to senior researcher at the Luxembourg Institute of Health, where she has already been involved in several projects investigating cancer progression.

Spotlight on Young Researchers – revisited 5 years later: A post-PhD life in finance

When Eric Finn Schaanning was featured in Spotlight on Young Researchers in 2017, he had just defended his AFR PhD on fire sales and systemic risk in financial networks at Imperial College London. In 2017, Eric attended the Lindau Nobel Laureate Meeting and in 2018, won an FNR Award for his PhD thesis. 5 years after his PhD, we catch up with Eric, who has been working on cyber risks, financial and regulatory stress tests as well operational risk management – a career spanning Norway, Frankfurt and Zürich – and reflect on the value his PhD has added.

Spotlight on Young Researchers: Empowering critical digital humanities practice

Digitisation has had a significant impact on humanities research: not only has it changed how many scholars conduct their research, it has also led to completely new fields of research, such as digital humanities, a highly interdisciplinary science. Linguist Lorella Viola is interested in how software can enable critical digital humanities practice.

Spotlight on Young Researchers: Antoun Al Absi

Antoun Al Absi has been fascinated by microscopes ever since his parents gave him one as a child. Unsurprisingly, the Syrian-French national cherishes the long hours spent on the microscope as part of his AFR PhD at the Luxembourg Institute of Health (LIH), where he investigates how tumour cells escape the ‘immune surveillance system’, enabling them to spread to other parts of the body.

Spotlight on Young Researchers: Anjali Sharma

In school, we are taught three states of matter: solid, liquid and gas. The focus of University of Luxembourg PhD candidate Anjali Sharma’s research lies between solid and liquid: liquid crystal. She studies them in unusual shapes that are no larger than the width of a human hair, yet they are considered as large by the scientists of the field. As part of her research, the Indian national got an opportunity for a rare experiment: Taking her research into a zero gravity environment.

Spotlight on Young Researchers: A fully automatic flood mapping algorithm

Flooding presents a major hazard in both rural and urban areas. Luxembourg was also affected by the significant floods that devastated parts of Germany in July 2021. With the goal of predicting areas that will flood, scientists are working on various aspects of flood-mapping using satellite data.

Spotlight on Young Researchers: Understanding the impact climate change has on crop-threatening insects

A type of insect known as whitefly spreads plant viruses and has devastating effects on the vegetables that we depend on and thanks to climate change their negative impact on agriculture is set to increase in the future. Current methods to protect crops depend on delicate relationships between whiteflies and their natural enemies, our crops, and microbial communities, a delicate balance threatened by climate change. Researchers are working with a ‘climate in the lab’ to get a better understanding of what could happen, with the ultimate goal to generate solutions to protect food security.

Spotlight on Young Researchers: Michel Thill

For his part-time AFR PhD in Political Science with Ghent University’s Conflict Research Group, Michel Thill researches a little-studied subject: everyday policing practices and interactions between police and people in Bukavu, a provincial capital in the East of the Democratic Republic of Congo. We spoke to the Luxembourg national about insatiable curiosity being a virtue for researchers; the experiences gained during his PhD; and why his research subject is important.

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