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Humanity must solve the problems that threaten human health during long-term space flight. An unexpected solution is suggested by an experiment on people staying in a closed life support system model, conducted more than 50 years ago in…

Space Physics · Physics 2025-04-29 D. A. Semyonov , A. A. Semyonova

Computational hemodynamics is becoming an increasingly important tool in clinical applications and surgical procedures involving the cardiovascular system. Aim of this review is to provide a compact summary of state of the art 0D-1D…

Medical Physics · Physics 2022-01-03 Stefania Scarsoglio , Luca Ridolfi

From the basic impact of nutrient intake on health maintenance to the psychosocial benefits of mealtime, great advancements in nutritional sciences for support of human space travel have occurred over the past 60 years. Nutrition in space…

Other Quantitative Biology · Quantitative Biology 2016-10-05 Catalano Enrico

Cardiac deformation is a crucial biomarker for the evaluation of cardiac function. Current methods for estimating cardiac strain might underestimate local deformation due to through-plane motion and segmental averaging. Mesh-based mapping…

Tissues and Organs · Quantitative Biology 2025-04-07 Beatrice Moscoloni , Patrick Segers , Mathias Peirlinck

With the European Space Agency (ESA) and NASA working to return humans to the moon and onwards to Mars, it has never been more important to study the impact of altered gravity conditions on biological organisms. These include astronauts but…

The rhythmic pumping motion of the heart stands as a cornerstone in life, as it circulates blood to the entire human body through a series of carefully timed contractions of the individual chambers. Changes in the size, shape and movement…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Kristine Sørensen , Paula Diez , Jan Margeta , Yasmin El Youssef , Michael Pham , Jonas Jalili Pedersen , Tobias Kühl , Ole de Backer , Klaus Kofoed , Oscar Camara , Rasmus Paulsen

Aerocapture uses atmospheric drag to decelerate spacecraft and achieve orbit insertion. One of the significant risks associated with aerocapture is the uncertainty in the atmospheric density, particularly for outer planets. The paper…

Earth and Planetary Astrophysics · Physics 2023-10-17 Athul Pradeepkumar Girija

A review is presented of the scientific benefits of rapid (v >= 0.1c) interstellar spaceflight. Significant benefits are identified in the fields of interstellar medium studies, stellar astrophysics, planetary science and astrobiology. In…

Instrumentation and Methods for Astrophysics · Physics 2010-08-31 Ian A. Crawford

Cardiopulmonary resuscitation (CPR) is an emergency procedure performed on patients during cardiac and respiratory arrest. This procedure externally activates the cardiac and respiratory systems via the delivery of chest compression and…

Numerical Analysis · Mathematics 2022-06-01 Jafar Moradicheghamahi , Gerard Fortuny , Josep M. López , Joan Herrero , Dolors Puigjaner

Cardiovascular disease, the leading cause of death globally, is an age-related disease. Understanding the morphological and functional changes of the heart during ageing is a key scientific question, the answer to which will help us define…

Image and Video Processing · Electrical Eng. & Systems 2022-10-11 Mengyun Qiao , Berke Doga Basaran , Huaqi Qiu , Shuo Wang , Yi Guo , Yuanyuan Wang , Paul M. Matthews , Daniel Rueckert , Wenjia Bai

Comprehensive analysis of space debris rotational dynamics is vital for active debris removal missions that require physical capture or de-tumbling of a target. We study the attitude motion of used rocket bodies acknowledgedly belonging to…

Space Physics · Physics 2018-10-10 Sergey Efimov , Dmitry Pritykin , Vladislav Sidorenko

Deformation modeling of cardiac muscle is an important issue in the field of cardiac analysis. For this reason, many approaches have been developed to best estimate the cardiac muscle deformation, and to obtain a practical model to use in…

Computational Engineering, Finance, and Science · Computer Science 2014-12-09 Ahmadreza Baghaie , Hamid Abrishami Moghaddam

Two crucial factors for accurate numerical simulations of cardiac electromechanics, which are also essential to reproduce the synchronous activity of the heart, are: i) accounting for the interaction between the heart and the circulatory…

Cardiac motion tracking from echocardiography can be used to estimate and quantify myocardial motion within a cardiac cycle. It is a cost-efficient and effective approach for assessing myocardial function. However, ultrasound imaging has…

Computer Vision and Pattern Recognition · Computer Science 2024-07-08 Long Teng , Wei Feng , Menglong Zhu , Xinchao Li

Estimating the shape and motion state of the myocardium is essential in diagnosing cardiovascular diseases.However, cine magnetic resonance (CMR) imaging is dominated by 2D slices, whose large slice spacing challenges inter-slice shape…

Computer Vision and Pattern Recognition · Computer Science 2023-08-29 Xiaohan Yuan , Cong Liu , Yangang Wang

Massive neutrinos and $f(R)$ modified gravity have degenerate observational signatures that can impact the interpretation of results in galaxy survey experiments, such as cosmological parameter estimations and gravity model tests. Because…

Cosmology and Nongalactic Astrophysics · Physics 2023-06-22 Renate Mauland , Øystein Elgarøy , David Fonseca Mota , Hans Arnold Winther

Cardiac fluid dynamics fundamentally involves interactions between complex blood flows and the structural deformations of the muscular heart walls and the thin, flexible valve leaflets. There has been longstanding scientific, engineering,…

In situ measurements from spacecraft typically provide a time series at a single location through coronal mass ejections (CMEs) and they have been one of the main methods to investigate CMEs. CME properties derived from these in situ…

Solar and Stellar Astrophysics · Physics 2023-09-20 F. Regnault , N. Al-Haddad , N. Lugaz , C. J. Farrugia , W. Yu , E. E. Davies , A. B. Galvin , B. Zhuang

Echocardiogram video plays a crucial role in analysing cardiac function and diagnosing cardiac diseases. Current deep neural network methods primarily aim to enhance diagnosis accuracy by incorporating prior knowledge, such as segmenting…

Image and Video Processing · Electrical Eng. & Systems 2024-10-29 Jiewen Yang , Yiqun Lin , Bin Pu , Jiarong Guo , Xiaowei Xu , Xiaomeng Li

The ubiquitous phenomena of crystallization and melting occur in various geophysical contexts across many spatial and temporal scales. In particular, they take place in the iron core of terrestrial planets and moons, profoundly influencing…

Earth and Planetary Astrophysics · Physics 2025-05-16 Ludovic Huguet , Quentin Kriaa , Thierry Alboussière , Michael Le Bars
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