A partitioned model order reduction approach to rationalise computational expenses in nonlinear fracture mechanics [0.03%]
一种分割模型降阶方法在非线性断裂力学中合理化计算成本
P Kerfriden,O Goury,T Rabczuk et al.
P Kerfriden et al.
We propose in this paper a reduced order modelling technique based on domain partitioning for parametric problems of fracture. We show that coupling domain decomposition and projection-based model order reduction permits to focus the numeri...
An efficient framework for optimization and parameter sensitivity analysis in arterial growth and remodeling computations [0.03%]
动脉生长和重塑计算中的优化和参数灵敏度分析的高效框架
Sethuraman Sankaran,Jay D Humphrey,Alison L Marsden
Sethuraman Sankaran
Computational models for vascular growth and remodeling (G&R) are used to predict the long-term response of vessels to changes in pressure, flow, and other mechanical loading conditions. Accurate predictions of these responses are essential...
Reliability-based optimization of maintenance scheduling of mechanical components under fatigue [0.03%]
基于可靠性的机械部件疲劳维护调度优化
P Beaurepaire,M A Valdebenito,G I Schuëller et al.
P Beaurepaire et al.
This study presents the optimization of the maintenance scheduling of mechanical components under fatigue loading. The cracks of damaged structures may be detected during non-destructive inspection and subsequently repaired. Fatigue crack i...
Asynchronous variational integration using continuous assumed gradient elements [0.03%]
连续假设梯度单元的非同步变分积分方法
Sebastian Wolff,Christian Bucher
Sebastian Wolff
Asynchronous variational integration (AVI) is a tool which improves the numerical efficiency of explicit time stepping schemes when applied to finite element meshes with local spatial refinement. This is achieved by associating an individua...
Large Scale Parameter Estimation Problems in Frequency-Domain Elastodynamics Using an Error in Constitutive Equation Functional [0.03%]
基于误差构成方程泛函的频域弹性动力学大规模参数估计问题
Biswanath Banerjee,Timothy F Walsh,Wilkins Aquino et al.
Biswanath Banerjee et al.
This paper presents the formulation and implementation of an Error in Constitutive Equations (ECE) method suitable for large-scale inverse identification of linear elastic material properties in the context of steady-state elastodynamics. I...
A fully implicit finite element method for bidomain models of cardiac electromechanics [0.03%]
求解心脏电力学双域模型的全隐式有限元方法
Hüsnü Dal,Serdar Göktepe,Michael Kaliske et al.
Hüsnü Dal et al.
We propose a novel, monolithic, and unconditionally stable finite element algorithm for the bidomain-based approach to cardiac electromechanics. We introduce the transmembrane potential, the extracellular potential, and the displacement fie...
Space-time least-squares finite element method for convection-reaction system with transformed variables [0.03%]
变量转换的对流反应方程组的时空最小二乘有限元方法
Jaewook Nam,Marek Behr,Matteo Pasquali
Jaewook Nam
We present a method to solve a convection-reaction system based on a least-squares finite element method (LSFEM). For steady-state computations, issues related to recirculation flow are stated and demonstrated with a simple example. The met...
Solution of the nonlinear elasticity imaging inverse problem: The incompressible case [0.03%]
求解非线性弹性影像逆问题:不可压缩情况
Sevan Goenezen,Paul Barbone,Assad A Oberai
Sevan Goenezen
We have recently developed and tested an efficient algorithm for solving the nonlinear inverse elasticity problem for a compressible hyperelastic material. The data for this problem are the quasi-static deformation fields within the solid m...
A Spectral Finite Element Approach to Modeling Soft Solids Excited with High-Frequency Harmonic Loads [0.03%]
基于高頻調幅激勵的軟組織固體模態響應的光譜有限元分析方法研究
John C Brigham,Wilkins Aquino,Miguel A Aguilo et al.
John C Brigham et al.
An approach for efficient and accurate finite element analysis of harmonically excited soft solids using high-order spectral finite elements is presented and evaluated. The Helmholtz-type equations used to model such systems suffer from add...
Real-Time Nonlinear Finite Element Computations on GPU - Application to Neurosurgical Simulation [0.03%]
基于GPU的真实时间非线性有限元计算在神经外科手术模拟中的应用研究
Grand Roman Joldes,Adam Wittek,Karol Miller
Grand Roman Joldes
Application of biomechanical modeling techniques in the area of medical image analysis and surgical simulation implies two conflicting requirements: accurate results and high solution speeds. Accurate results can be obtained only by using a...