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Multiscale modelling and team science: the future of orthopaedic biomechanics
Journal of Foot and Ankle Research volume 1, Article number: K6 (2008)
Some of the most exciting developments in recent biomechanics research regard topics that lay at boundaries: boundaries between dimensional scales (i.e. cell-tissue interaction), between sub-systems (i.e. cardiovascular and musculoskeletal), or between different domains of biomedical knowledge (i.e. biology and engineering). This is a trend that we are observing in the entire biomedical research field, and undergoes the name of biomedical Integrative Research .
In order to follow this trend, every researcher needs to add to her tool chest two new tools: multiscale modelling, and team science.
This term indicates the ability to models capable of predicting the physical behaviour of a complex system, which is regulated by multiple phenomena observable at radically different dimensional and/or temporal scales.
Given the level of complexity that integrative research involves, mathematical/numerical modelling appears the only viable option. However, this requires modelling methods that are not only multi-physics, but also multiscale.
The trivial declination of multiscale modelling are problems where all scale are regulated by exactly the same physics: if you need to model a single bolt whose loading is defined by the deformation of the entire car body, you have a significant difference in dimensions, but both models describe the elastic behaviour of a solid continuum; nowadays these problems are trivially solved with methods such as sub-structuring .
The true challenge is when each sub-model is a truly independent model, representing different physical behaviours, and most of the times using different mathematical approaches for the modelling. No off-the-shelf tool can currently solve this problem, but intense research activity is being conducted .
While multiscale modelling can help in integrating across sub-systems and across dimensional scales, to integrate across different domains of knowledge we need something else: team science. "Team science" refers to multi-partnered and multi-disciplinary research partnerships designed to bring together specialized researchers to work on specific facets of a larger project or study. In the context of integrative research the need for team science is being addressed in three directions: the development of consensus processes involving stakeholders from very different sub-domains of biomedical research, such as the one we developed in STEP ; to create Internet communities specifically oriented to team science and its support, such as Biomed Town ; and to develop specialised pre-post processing environments for the multiscale modelling that help in capturing and exchanging knowledge across domains. This latter activity it is still in its infancy, but some seminal work is being done in the context of the MAF framework .
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Viceconti, M. Multiscale modelling and team science: the future of orthopaedic biomechanics. J Foot Ankle Res 1, K6 (2008) doi:10.1186/1757-1146-1-S1-K6
- Physical Behaviour
- Multiscale Modelling
- Team Science
- Integrative Research
- Biomedical Knowledge