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Two Days of Powerful Talks will focus on:

• the numerical handling of blood flows in rotary flow systems,
• the experimental detection of blood damage and the transition to numerical blood damage models,
• the numerical blood damage prediction in rotary systems as well as the numerical flow optimization in rotary blood pumps, e.g. for the clinic or the industry.

The 2nd International Workshop on Flow-Induced Blood Damage in Rotating Systems (BDW2022) has been a great success. It took place on the 1st and 2nd of September 2022 in Rostock-Warnemünde, Germany.

After the first edition in 2019 and two years of pandemic, the 2022 workshop provided again a productive discussion platform for the research community working on flow-induced blood trauma. Attendance doubled from the first workshop, with participants from Australia, the United Kingdom, the Czech Republic, Sweden, Italy, and Germany. The participants from universities represented the fields of biorheology, physics of cell damage and flow-induced stresses on cells in rotary blood pumps, ventricular assist devices (VAD) and extracorporeal membrane oxygenators (ECMO).

Highlights of last year's workshop included presentations by Prof. Michael Simmonds, Griffith University, Australia, and Dr. Katharine Fraser, University of Bath, UK, both of whom are well known in their fields of research. To emphasize the workshop character, there were also discussion sessions on “ongoing projects“ as well as on “new test cases for numerical prediction of hemolysis (red blood cell damage)”. During these rounds, it was agreed to develop new test cases and evaluate them in following workshops.

For this year’s program, it is planned to invite further speakers from industry in order to enhance the exchange between academia and industry during the workshop. One idea to do this are »round table« sessions, where relevant problems will be discussed in mixed groups of researchers from industry and university, and afterwards possible solutions will be presented during the workshop.

A special feature of the workshop is that it is exclusively specialized on the topic of »flow-induced blood damage in rotating systems«. This topic is often limited to one session with just four presentations at classical conferences (ESAO/ASAIO). Therefore, one main reasons for organizing the workshop was to realize a free, long-lasting and open exchange of knowledge and problems regarding research in »flow-induced blood damage in rotating systems«. The aim is to tackle and discuss these problems together.

Therefore, the focus of the workshop lies on the discussions, and there exists a time window of 20 minutes after every presentation for discussing problems, which were stated in every presentation. This is also in contrast to the classical conferences, like the ESAO conferences. Here, the discussions are reduced to 5 minutes, which may reduce the scientific exchange in the organizer’s opinion.