Curing spurious magneto-mechanical coupling in soft non-magnetic materials [0.03%]
软非磁材料中虚假的磁-机械耦合的消除
Matthias Rambausek,Joachim Schöberl
Matthias Rambausek
The present work is concerned with the issue of spurious coupling effects that are pervasive in fully coupled magneto-mechanical finite element simulations involving very soft non-magnetic or air-like media. We first address the characteriz...
Analysis of progressive fracture in fluid-saturated porous medium using splines [0.03%]
基于插值样条的含水孔隙介质渐进断裂分析
Lin Chen,René de Borst
Lin Chen
Powell-Sabin B-splines are employed to model progressive fracturing in a fluid-saturated porous medium. These splines are defined on triangles and are 𝒞 1 -continuous throughout the domain, including the crack tips, so that cra...
A multifidelity approach coupling parameter space reduction and nonintrusive POD with application to structural optimization of passenger ship hulls [0.03%]
结合参数空间降维和非侵入式POD的多保真度方法及其在客船船体型线优化中的应用研究
Marco Tezzele,Lorenzo Fabris,Matteo Sidari et al.
Marco Tezzele et al.
Nowadays, the shipbuilding industry is facing a radical change toward solutions with a smaller environmental impact. This can be achieved with low emissions engines, optimized shape designs with lower wave resistance and noise generation, a...
Novel methodologies for solving the inverse unsteady heat transfer problem of estimating the boundary heat flux in continuous casting molds [0.03%]
连铸结晶器边界热流估计的逆非稳态传热问题的新型求解方法研究
Umberto Emil Morelli,Patricia Barral,Peregrina Quintela et al.
Umberto Emil Morelli et al.
In this article, we investigate the estimation of the transient mold-slab heat flux in continuous casting molds given some thermocouples measurements in the mold plates. Mathematically, we can see this problem as the estimation of a Neumann...
Kernel-based active subspaces with application to computational fluid dynamics parametric problems using the discontinuous Galerkin method [0.03%]
基于核的活动子空间在使用间断Galerkin方法的计算流体动力学参数化问题中的应用
Francesco Romor,Marco Tezzele,Andrea Lario et al.
Francesco Romor et al.
Nonlinear extensions to the active subspaces method have brought remarkable results for dimension reduction in the parameter space and response surface design. We further develop a kernel-based nonlinear method. In particular, we introduce ...
A cell-centered finite volume formulation of geometrically exact Simo-Reissner beams with arbitrary initial curvatures [0.03%]
具有任意初始曲率的几何精确Simo-Reissner梁的单元中心有限体积公式化
Seevani Bali,Željko Tuković,Philip Cardiff et al.
Seevani Bali et al.
This article presents a novel total Lagrangian cell-centered finite volume formulation of geometrically exact beams with arbitrary initial curvatures undergoing large displacements and finite rotations. The choice of rotation parameterizati...
Consistency of the full and reduced order models for evolve-filter-relax regularization of convection-dominated, marginally-resolved flows [0.03%]
演化过滤松弛正则化在对流主导、边缘分辨率流动中的全阶和降阶模型的一致性分析
Maria Strazzullo,Michele Girfoglio,Francesco Ballarin et al.
Maria Strazzullo et al.
Numerical stabilization is often used to eliminate (alleviate) the spurious oscillations generally produced by full order models (FOMs) in under-resolved or marginally-resolved simulations of convection-dominated flows. In this article, we ...
An efficient computational approach for three-dimensional modeling and simulation of fibrous battery electrodes [0.03%]
一种三维建模与模拟纤维电池电极的有效计算方法
Mohsen Goudarzi,Davide Grazioli,Angelo Simone
Mohsen Goudarzi
Fibrous electrodes are a promising alternative to conventional particle-based lithium-ion battery electrodes. In this contribution, we propose an efficient computational approach for the modeling and simulation of electrochemical phenomena ...
Quasi-static fracture analysis by coupled three-dimensional peridynamics and high order one-dimensional finite elements based on local elasticity [0.03%]
基于局部弹性的一维高阶有限元与三维全动力学分析准静态断裂问题
Alfonso Pagani,Marco Enea,Erasmo Carrera
Alfonso Pagani
This work investigates quasi-static crack propagation in specimens made of brittle materials by combining local and non-local elasticity models. The portion of the domain where the failure initiates and then propagates is modeled via three-...
Divergence-free tangential finite element methods for incompressible flows on surfaces [0.03%]
用于表面上不可压缩流的无散度切向有限元方法
Philip L Lederer,Christoph Lehrenfeld,Joachim Schöberl
Philip L Lederer
In this work we consider the numerical solution of incompressible flows on two-dimensional manifolds. Whereas the compatibility demands of the velocity and the pressure spaces are known from the flat case one further has to deal with the ap...