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Journal Article
Convergence analysis of three semidiscrete numerical schemes for nonlocal geometric flows including perimeter terms
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Wei Jiang and others
IMA Journal of Numerical Analysis, draf015, https://doi.org/10.1093/imanum/draf015
Published: 30 April 2025
... terms. These schemes are based on the finite difference method, the finite element method and the finite element method with a specific tangential motion. We offer rigorous proofs of quadratic convergence under -norm for the first scheme and linear convergence under -norm for the latter two...
Journal Article
Abdominal aortic aneurysm histomorphology shows different inflammatory aspects among patients and is not associated with classic risk factors—the HistAAA study
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Maja Carina Nackenhorst and others
Cardiovascular Research, cvaf071, https://doi.org/10.1093/cvr/cvaf071
Published: 29 April 2025
... geometric analysis (Endosize©, Therenva, Rennes, France) and finite element methods (A4Clinics© Research Edition, Vascops GmbH, Graz, Austria) were included. A total of 364 patients’ samples (85.4% male, median age 69 years) were scored for acute or chronic inflammation, both...
Journal Article
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The Impact of Segmentation Approach on HR-pQCT Microarchitectural Outcome Metrics and Micro-Finite Element Biomechanical Estimations Depends on Bone Microarchitecture
Minhao Zhou and others
Journal of Bone and Mineral Research, zjaf060, https://doi.org/10.1093/jbmr/zjaf060
Published: 28 April 2025
..., distribution, and reproduction in any medium, provided the original work is properly cited. For commercial re-use, please contact [email protected] Abstract High-resolution peripheral quantitative computed tomography (HR-pQCT), combined with micro-finite element (μFE) models, provide a powerful...
Journal Article
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Investigating plant morphogenesis using 3D digital organs
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Tejasvinee A Mody and others
Journal of Experimental Botany, eraf091, https://doi.org/10.1093/jxb/eraf091
Published: 26 April 2025
... element modeling morphogenesis network science plant development topology Accepted Manuscript Investigating plant morphogenesis using 3D digital organs Tejasvinee A. Mody, Ratula Ray and Kay Schneitz* Plant Developmental Biology, TUM School of Life Sciences, Technical University of Munich, Freising...
Journal Article
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Local Stress Fields Prediction using Global Displacement through Fourier Neural Operators
Minwoo Shin and others
Journal of Computational Design and Engineering, qwaf044, https://doi.org/10.1093/jcde/qwaf044
Published: 24 April 2025
... structures is crucial for reliability and performance, particularly in high-stress environments. Traditional finite element analysis methods require a fine mesh to achieve highly accurate stress fields, which is computationally expensive and time-consuming. This paper presents a novel neural network-based...
Journal Article
A two-grid finite element method for the Schrödinger–Poisson system
Tao Cui and others
IMA Journal of Numerical Analysis, draf014, https://doi.org/10.1093/imanum/draf014
Published: 13 April 2025
..., and that the work properly cited. For commercial re-use, please contact [email protected] Abstract A two-grid finite element method is proposed to solve the Schrödinger–Poisson system on a Lipschitz polyhedral domain. To reduce the computational complexity, we solve the Poisson equation of electric...
Journal Article
Finite element approximation of the Einstein tensor
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Evan S Gawlik and Michael Neunteufel
IMA Journal of Numerical Analysis, draf004, https://doi.org/10.1093/imanum/draf004
Published: 26 March 2025
... is published and distributed under the terms of the Oxford University Press, Standard Journals Publication Model ( https://dbpia.nl.go.kr/pages/standard-publication-reuse-rights ) Abstract We construct and analyse finite element approximations of the Einstein tensor in dimension . We focus on the setting...
Journal Article
Optimal convergence of the arbitrary Lagrangian–Eulerian interface tracking method for two-phase Navier–Stokes flow without surface tension
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Buyang Li and others
IMA Journal of Numerical Analysis, draf003, https://doi.org/10.1093/imanum/draf003
Published: 24 March 2025
... and distributed under the terms of the Oxford University Press, Standard Journals Publication Model ( https://dbpia.nl.go.kr/pages/standard-publication-reuse-rights ) Abstract Optimal-order convergence in the norm is proved for an arbitrary Lagrangian–Eulerian (ALE) interface tracking finite element method...
Journal Article
Finite element and long short-term memory analysis for impact of nanoparticle shape on hybrid nanofluid flow in a lid-driven cavity
Umair Rashid and others
Journal of Computational Design and Engineering, Volume 12, Issue 4, April 2025, Pages 14–25, https://doi.org/10.1093/jcde/qwaf032
Published: 18 March 2025
... of Numerical and LSTM Results nanoparticle shape hybrid nanofluid finite element method long short-term memory Highlights The hybrid nanofluid flow inside a lid-driven cavity with an elliptic obstacle is investigated. The solution of the projected model governing equations is evaluated by Galerkin...
Journal Article
Numerical methods of calculation of stress–strain state of combined elements of sheeting
Dariia Baranetska and others
Journal of Mechanics, Volume 41, 2025, Pages 82–102, https://doi.org/10.1093/jom/ufaf007
Published: 13 March 2025
... the original work is properly cited. ABSTRACT Steel-reinforced concrete slabs with profiled sheeting are heterogeneous composite structures, therefore, it is necessary to have reliable and practical methods for their calculation, taking into account the heterogeneous structure of structural elements, real...
Journal Article
A noncoforming virtual element approximation for the Oseen eigenvalue problem
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Dibyendu Adak and others
IMA Journal of Numerical Analysis, drae108, https://doi.org/10.1093/imanum/drae108
Published: 11 March 2025
... and distributed under the terms of the Oxford University Press, Standard Journals Publication Model ( https://dbpia.nl.go.kr/pages/standard-publication-reuse-rights ) Abstract In this paper, we analyze a nonconforming virtual element method to approximate the eigenfunctions and eigenvalues of the two...
Journal Article
Strategic design and simulation of interfaces for enhanced joint performance in metal–polymer hybrid structures
Seong Je Park and others
Journal of Computational Design and Engineering, Volume 12, Issue 4, April 2025, Pages 1–13, https://doi.org/10.1093/jcde/qwaf029
Published: 11 March 2025
... finite-element analysis (FEA). The proposed methodology consists of six steps, including 3D modelling, material assignment, boundary condition setup, and stress analysis using FEA. The proposed methodology's applicability is verified using octet-truss (OT) and body-centred cubic (BCC) in the interfaces...
Journal Article
Well-posedness of first-order acoustic wave equations and space-time finite element approximation
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Thomas Führer and others
IMA Journal of Numerical Analysis, drae104, https://doi.org/10.1093/imanum/drae104
Published: 11 March 2025
... of this system is an isomorphism from an appropriately defined graph space to . The results rely on well-posedness and stability of the weak and ultraweak formulation of the second-order wave equation. As an application, we define and analyze a space-time least-squares finite element method for solving...
Journal Article
Analysis and finite element approximation of a diffuse interface approach to the Stokes–Biot coupling
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Francis R A Aznaran and others
IMA Journal of Numerical Analysis, draf002, https://doi.org/10.1093/imanum/draf002
Published: 10 March 2025
... of a finite element discretization of the diffuse interface model to the continuous diffuse model; here the weight is a power of the distance to the diffuse interface. We, in turn, prove convergence of the continuous diffuse model to the standard, sharp interface, model. Numerical examples verify the proven...
Journal Article
Fracture path prediction in proximal femur using strain energy-based Dijkstra’s algorithm
Jee A Baik and others
Journal of Computational Design and Engineering, Volume 12, Issue 3, March 2025, Pages 241–250, https://doi.org/10.1093/jcde/qwaf028
Published: 07 March 2025
... issue associated with high mortality rates and entails significant rehabilitation costs. Conventional fracture prediction methods, primarily based on finite-element analysis (FEA), often suffer from high computational costs and limited clinical applicability. To address these limitations, this study...
Journal Article
Scaling-robust built-in a posteriori error estimation for discontinuous least-squares finite element methods
Philipp Bringmann
IMA Journal of Numerical Analysis, drae105, https://doi.org/10.1093/imanum/drae105
Published: 04 March 2025
..., and that the work properly cited. For commercial re-use, please contact [email protected] Abstract A convincing feature of least-squares finite element methods is the built-in a posteriori error estimator for any conforming discretization. In order to generalize this property to discontinuous...
Journal Article
Role of Chamber Replenishment in the Formation of the Merensky Reef and its Footwall Anorthosite
William D Smith and others
Journal of Petrology, Volume 66, Issue 3, March 2025, egaf015, https://doi.org/10.1093/petrology/egaf015
Published: 18 February 2025
...-style platinum-group element mineralization. This study investigates as to whether chamber replenishment contributed to the formation of the Merensky Reef and its underlying anorthosite at the Rustenburg Platinum Mine in the western lobe of the Bushveld Complex. At this location, the Merensky Reef...
Journal Article
Ascending aorta over-angulation is a risk factor for acute type A aortic dissection: evidence from advanced finite element simulations
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Ione Ianniruberto and others
European Journal of Cardio-Thoracic Surgery, Volume 67, Issue 3, March 2025, ezaf053, https://doi.org/10.1093/ejcts/ezaf053
Published: 17 February 2025
... aorta over-angulation, a morphological feature recently found to be associated with acute type A aortic dissection, precedes dissection and how it affects wall stress distribution. METHODS A baseline finite element model, previously created by a neural network tool from end-diastolic computed...
Journal Article
Case analysis and finite element analysis of adult head skull fractures in people run over by motor vehicles
Xingan Yang and others
Forensic Sciences Research, Volume 10, Issue 2, June 2025, owaf007, https://doi.org/10.1093/fsr/owaf007
Published: 17 February 2025
... overflow. According to China’s road traffic management system, vehicles in traffic accidents are categorized as heavy vehicles (weight ≥ 12 t), medium vehicles (4.5 t ≤weight < 12 t), light vehicles (1.8 t element simulations were used...
Journal Article
Defects in mRNA splicing and implications for infertility: a comprehensive review and in silico analysis
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Kuokuo Li and others
Human Reproduction Update, Volume 31, Issue 3, May-June 2025, Pages 218–239, https://doi.org/10.1093/humupd/dmae037
Published: 14 February 2025
... complex spliceosome completes the second step of splicing, generating spliced exons and a lariat intron, and releases U2, U5, and U6. ( C ) Overview of trans-acting factors and cis-acting elements involved in mRNA splicing regulation, including the U1 snRNP complex (U1), U2 snRNP complex (U2...
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