A unified continuum and variational multiscale formulation for fluids, solids, and fluid-structure interaction [0.03%]
流体、固体及流固耦合的统一连续介质和变分多尺度方法
Ju Liu,Alison L Marsden
Ju Liu
We develop a unified continuum modeling framework using the Gibbs free energy as the thermodynamic potential. This framework naturally leads to a pressure primitive variable formulation for the continuum body, which is well-behaved in both ...
Zhongqing Han,Suvranu De Rahul
Zhongqing Han
A multi-physics model has been developed to investigate the effects of cellular level mechanisms on the electro-thermo-mechanical response of hydrated soft tissues with radiofrequency (RF) activation. A micromechanical model generates an eq...
A contact formulation based on a volumetric potential: Application to isogeometric simulations of atrioventricular valves [0.03%]
基于体积势的接触模型在房室瓣数值模拟中的应用研究
David Kamensky,Fei Xu,Chung-Hao Lee et al.
David Kamensky et al.
This work formulates frictionless contact between solid bodies in terms of a repulsive potential energy term and illustrates how numerical integration of the resulting forces is computationally similar to the "pinball algorithm" proposed an...
Fully-coupled aeroelastic simulation with fluid compressibility - For application to vocal fold vibration [0.03%]
完全耦合的气动弹性模拟与流体可压缩性-在声带振动中的应用
Jubiao Yang,Xingshi Wang,Michael Krane et al.
Jubiao Yang et al.
In this study, a fully-coupled fluid-structure interaction model is developed for studying dynamic interactions between compressible fluid and aeroelastic structures. The technique is built based on the modified Immersed Finite Element Meth...
Selection and Validation of Predictive Models of Radiation Effects on Tumor Growth Based on Noninvasive Imaging Data [0.03%]
基于非侵入性影像数据的放射治疗肿瘤生长预测模型的选择与验证
E A B F Lima,J T Oden,B Wohlmuth et al.
E A B F Lima et al.
The use of mathematical and computational models for reliable predictions of tumor growth and decline in living organisms is one of the foremost challenges in modern predictive science, as it must cope with uncertainties in observational da...
A composite smeared finite element for mass transport in capillary systems and biological tissue [0.03%]
用于毛细系统和生物组织中质量传输的复合模糊有限元
M Kojic,M Milosevic,V Simic et al.
M Kojic et al.
One of the key processes in living organisms is mass transport occurring from blood vessels to tissues for supplying tissues with oxygen, nutrients, drugs, immune cells, and - in the reverse direction - transport of waste products of cell m...
A fully coupled space-time multiscale modeling framework for predicting tumor growth [0.03%]
一种用于预测肿瘤生长的完全耦合时空多尺度建模框架
Mohammad Mamunur Rahman,Yusheng Feng,Thomas E Yankeelov et al.
Mohammad Mamunur Rahman et al.
Most biological systems encountered in living organisms involve highly complex heterogeneous multi-component structures that exhibit different physical, chemical, and biological behavior at different spatial and temporal scales. The develop...
The importance of mechano-electrical feedback and inertia in cardiac electromechanics [0.03%]
心脏机电学中机械电反馈和惯性的重要性
Francisco Sahli Costabal,Felipe A Concha,Daniel E Hurtado et al.
Francisco Sahli Costabal et al.
In the past years, a number cardiac electromechanics models have been developed to better understand the excitation-contraction behavior of the heart. However, there is no agreement on whether inertial forces play a role in this system. In ...
A generalized multi-resolution expansion for uncertainty propagation with application to cardiovascular modeling [0.03%]
应用于心血管建模的不确定性传播广义多尺度展开方法
D E Schiavazzi,A Doostan,G Iaccarino et al.
D E Schiavazzi et al.
Computational models are used in a variety of fields to improve our understanding of complex physical phenomena. Recently, the realism of model predictions has been greatly enhanced by transitioning from deterministic to stochastic framewor...
A Predictive Framework to Elucidate Venous Stenosis: CFD & Shape Optimization [0.03%]
预测性框架阐明静脉狭窄：计算流体力学与形状优化
S M Javid Mahmoudzadeh Akherat,Kevin Cassel,Michael Boghosian et al.
S M Javid Mahmoudzadeh Akherat et al.
The surgical creation of vascular accesses for renal failure patients provides an abnormally high flow rate conduit in the patient's upper arm vasculature that facilitates the hemodialysis treatment. These vascular accesses, however, are ve...