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相关论文: Haemodynamic analysis using multiphase flow dynami…

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Aims: The presence of coronary tandem lesions poses a significant challenge for the accurate diagnosis and management of coronary artery diseases. This study set out to provide a deeper understanding of the haemodynamic interactions between…

\emph{In vitro} experiments in which tumour cells are seeded in a gelatinous medium, or hydrogel, show how mechanical interactions between tumour cells and the tissue in which they are embedded, together with local levels of an…

组织与器官 · 定量生物学 2022-06-13 Gopikrishnan C. Remesan , Jennifer A Flegg , Helen M Byrne

Intracranial aneurysms remain a major cause of neurological morbidity and mortality worldwide, where rupture risk is tightly coupled to local hemodynamics particularly wall shear stress and oscillatory shear index. Conventional…

Blood pressure regulation is commonly addressed in terms of local mechanisms such as vascular resistance, compliance and neurohumoral control. However, the human vasculature encompasses multiple quasi-closed flow loops under both…

医学物理 · 物理学 2026-02-11 Arturo Tozzi

The two-phase mixing layer formed between parallel gas and liquid streams is an important fundamental problem in turbulent multiphase flows. The problem is relevant to many industrial applications and natural phenomena, such as air-blast…

流体动力学 · 物理学 2018-12-05 Y. Ling , D. Fuster , G. Tryggvason , S. Zaleski

The coarse-grained molecular dynamics (MD) or Brownian dynamics (BD) simulation is a particle-based approach that has been applied to a wide range of biological problems that involve interactions with surrounding fluid molecules or the…

软凝聚态物质 · 物理学 2014-11-20 Szu-Pei Fu , Yuan-Nan Young , Shidong Jiang

Recent developments in surgical robotics have led to new advancements in the automation of surgical sub-tasks such as suturing, soft tissue manipulation, tissue tensioning and cutting. However, integration of dynamics to optimize these…

机器人学 · 计算机科学 2021-02-03 Jingbin Huang , Fei Liu , Florian Richter , Michael C. Yip

We explore the bifurcations and dynamics of a scalar differential equation with a single constant delay which models the population of human hematopoietic stem cells in the bone marrow. One parameter continuation reveals that with a delay…

动力系统 · 数学 2021-12-03 Daniel C. De Souza , Antony R. Humphries

Parametric reduced-order modelling often serves as a surrogate method for hemodynamics simulations to improve the computational efficiency in many-query scenarios or to perform real-time simulations. However, the snapshots of the method…

计算工程、金融与科学 · 计算机科学 2023-10-24 Dongwei Ye , Valeria Krzhizhanovskaya , Alfons G. Hoekstra

Understanding how red blood cell (RBC) suspensions navigate porous materials is critical for for both fundamental physiology, such as maternal-fetal exchange in the placenta, and transformative biomedical applications, including rapid,…

软凝聚态物质 · 物理学 2025-09-03 Sampad Laha , Ananta Kumar Nayak , Alexander Farutin , Suman Chakraborty , Chaouqi Misbah

In this paper, a novel deep learning framework is proposed for temporal super-resolution simulation of blood vessel flows, in which a high-temporal-resolution time-varying blood vessel flow simulation is generated from a…

图像与视频处理 · 电气工程与系统科学 2021-11-23 Zhizheng Jiang , Fei Gao , Renshu Gu , Jinlan Xu , Gang Xu , Timon Rabczuk

We consider a mathematical model for the evolutionary dynamics of tumour cells in vascularised tumours under chemotherapy. The model comprises a system of coupled partial integro-differential equations for the phenotypic distribution of…

组织与器官 · 定量生物学 2020-06-02 Chiara Villa , Mark A. J. Chaplain , Tommaso Lorenzi

The dynamical mechanical analysis of blood generally uses models inspired by conventional flows, assuming scale-independent homogeneous flows and without considering fluid-surface boundary interactions. The present experimental study…

流体动力学 · 物理学 2024-09-24 Ursula Windberger , Patrick Baroni , Laurence Noirez

Non-particulate continuum descriptions allow for computationally efficient modeling of suspension flows at scales that are inaccessible to more detailed particulate approaches. It is well known that the presence of particles influences the…

软凝聚态物质 · 物理学 2013-11-13 Florian Janoschek , Jens Harting , Federico Toschi

Accurate and efficient modeling of cardiac blood flow is crucial for advancing data-driven tools in cardiovascular research and clinical applications. Recently, the accuracy and availability of computational fluid dynamics (CFD)…

流体动力学 · 物理学 2025-07-30 Eneko Lazpita , Jesus Garicano-Mena , Soledad Le Clainche

The dynamics of red blood cells (RBCs) in oscillatory shear flow was studied using differential equations of three variables: a shape parameter, the inclination angle $\theta$, and phase angle $\phi$ of the membrane rotation. In steady…

软凝聚态物质 · 物理学 2010-06-24 Hiroshi Noguchi

Phase-field models have proven indispensable for deciphering the microstructure complexities inherent in multicomponent systems. The confluence of varying phase molar volumes presents unique challenges. Understanding the impact of molar…

材料科学 · 物理学 2025-03-25 Chengyin Wu , Yanzhou Ji

Bifurcations and branches in the microcirculation dramatically affect blood flow as they determine the spatiotemporal organization of red blood cells (RBCs). Such changes in vessel geometries can further influence the formation of a…

In this study, we present a comprehensive numerical analysis of blood flow within human left ventricle models, with particular emphasis on optimizing simulation conditions to enhance the realism and computational efficiency of heart flow…

流体动力学 · 物理学 2024-11-26 Eneko Lazpita , Andrea Mares , Pedro Quintero , Jesús Garicano-Mena , Soledad Le Clainche

Various biological processes such as transport of oxygen and nutrients, thrombus formation, vascular angiogenesis and remodeling are related to cellular/subcellular level biological processes, where mesoscopic simulations resolving detailed…

流体动力学 · 物理学 2021-01-22 Ansel Blumers , Minglang Yin , Hiroyuki Nakajima , Yosuke Hasegawa , Zhen Li , George Em Karniadakis
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