FSGe: A fast and strongly-coupled 3D fluid-solid-growth interaction method [0.03%] 一种快速且强耦合的三维流-固-生长相互作用方法
Martin R Pfaller,Marcos Latorre,Erica L Schwarz et al. Martin R Pfaller et al.
Equilibrated fluid-solid-growth (FSGe) is a fast, open source, three-dimensional (3D) computational platform for simulating interactions between instantaneous hemodynamics and long-term vessel wall adaptation through mechanobiologically equ...
Improved multifidelity Monte Carlo estimators based on normalizing flows and dimensionality reduction techniques [0.03%] 基于正则化流动和降维技术的改进多保真蒙特卡罗估计器
Andrea Zanoni,Gianluca Geraci,Metteo Salvador et al. Andrea Zanoni et al.
We study the problem of multifidelity uncertainty propagation for computationally expensive models. In particular, we consider the general setting where the high-fidelity and low-fidelity models have a dissimilar parameterization both in te...
A mechanically consistent unified formulation for fluid-porous-structure-contact interaction [0.03%] 流体-多孔介质-结构-接触相互作用的力学一致性的统一方法
Fannie M Gerosa,Alison L Marsden Fannie M Gerosa
Fluid-structure interaction with contact poses profound mathematical and numerical challenges, particularly when considering realistic contact scenarios and the influence of surface roughness. Computationally, contact introduces challenges ...
Analysis of 'Investigating an extended multiphase flow model that includes specific interfacial area', Computer Methods in Applied Mechanics and Engineering, 418:116594, 2024 [0.03%] 含特定界面面积的扩展多相流模型的分析——计算机方法与应用力学杂志,2024年,卷418,文章号116594
William G Gray,Cass T Miller William G Gray
Comments are provided on the recent paper by Ebadi et al. [3], which demonstrates that the formulated model that was solved contains misconceptions or errors that render the work unsuitable for describing the evolution of interfacial areas ...
Aaron L Brown,Matteo Salvador,Lei Shi et al. Aaron L Brown et al.
In numerical simulations of cardiac mechanics, coupling the heart to a model of the circulatory system is essential for capturing physiological cardiac behavior. A popular and efficient technique is to use an electrical circuit analogy, kno...
Physics-Constrained Data-Driven Variational Method for Discrepancy Modeling [0.03%] 物理约束的数据驱动变分方法用于差异建模
Arif Masud,Sharbel Nashar,Shoaib Goraya Arif Masud
This paper presents a data-driven discrepancy modeling method that variationally embeds measured data in the modeling and analysis framework. The proposed method exploits the residual between the first-principles theory and sensor-based mea...
Synergistic Integration of Deep Neural Networks and Finite Element Method with Applications of Nonlinear Large Deformation Biomechanics [0.03%] 深度神经网络与有限元法在非线性大变形生物力学中的协同集成
Liang Liang,Minliang Liu,John Elefteriades et al. Liang Liang et al.
Patient-specific finite element analysis (FEA) holds great promise in advancing the prognosis of cardiovascular diseases by providing detailed biomechanical insights such as high-fidelity stress and deformation on a patient-specific basis. ...
Data-driven Identification of Parametric Governing Equations of Dynamical Systems Using the Signed Cumulative Distribution Transform [0.03%] 使用符号累积分布变换识别动态系统数据驱动的参数控制方程
Abu Hasnat Mohammad Rubaiyat,Duy H Thai,Jonathan M Nichols et al. Abu Hasnat Mohammad Rubaiyat et al.
This paper presents a novel data-driven approach to identify partial differential equation (PDE) parameters of a dynamical system. Specifically, we adopt a mathematical "transport" model for the solution of the dynamical system at specific ...
Lu Zhang,Huaiqian You,Tian Gao et al. Lu Zhang et al.
Gradient-based meta-learning methods have primarily been applied to classical machine learning tasks such as image classification. Recently, PDE-solving deep learning methods, such as neural operators, are starting to make an important impa...
Image-guided subject-specific modeling of glymphatic transport and amyloid deposition [0.03%] 基于图像引导的主体特异性脑淋巴运输和淀粉样沉积建模
Michael J Johnson,Michael R A Abdelmalik,Frimpong A Baidoo et al. Michael J Johnson et al.
The glymphatic system is a brain-wide system of perivascular networks that facilitate exchange of cerebrospinal fluid (CSF) and interstitial fluid (ISF) to remove waste products from the brain. A greater understanding of the mechanisms for ...