h-Adaptive radial basis function finite difference method for linear elasticity problems

B Tóth, A Düster - Computational Mechanics, 2023 - Springer
In this research work, the radial basis function finite difference method (RBF-FD) is further
developed to solve one-and two-dimensional boundary value problems in linear elasticity …

A post-processing method based on radial basis functions for the fast retrieval of the strain field in digital image correlation methods

C Groth, A Chiappa, S Porziani, ME Biancolini… - Materials, 2022 - mdpi.com
Digital image correlation methods allow the determination of the displacement (and thus the
strain) field of a target by picture comparisons, without the application of strain gauges or …

A two-scale RBF meshless method for the interface stress retrieval in simply bended and torqued long-fibres laminates

A Chiappa, C Groth, ME Biancolini - Composite Structures, 2023 - Elsevier
The paper describes a method to accurately retrieve the fibre/matrix interface stress state
from the motion field of the neutral mid-plane in simply bended and torqued long fibre multi …

A stress recovery procedure for laminated composite plates based on strong-form equilibrium enforced via the RBF Kansa method

A Chiappa, C Groth, A Reali, ME Biancolini - Composite Structures, 2020 - Elsevier
Often the employment of the full potentialities of laminated composite materials is restrained
by the scarceness of cost-effective simulation strategies in the design stage. Albeit cheap …

[HTML][HTML] Fast strain mapping in abdominal aortic aneurysm wall reveals heterogeneous patterns

MI Bracco, M Broda, US Lorenzen, MC Florkow… - Frontiers in …, 2023 - frontiersin.org
Abdominal aortic aneurysm patients are regularly monitored to assess aneurysm
development and risk of rupture. A preventive surgical procedure is recommended when the …

An RBF meshless approach to evaluate strain due to large displacements in flexible printed circuit boards

C Groth, A Chiappa, S Porziani, P Salvini… - Micromachines, 2022 - mdpi.com
Thin plates are very often employed in a context of large displacements and rotations, for
example, whenever the extreme flexibility of a body can replace the use of complicated …

[PDF][PDF] Improvement of 2D finite element analysis stress results by radial basis functions and balance equations

A Chiappa, C Groth, ME Biancolini - International journal of …, 2019 - researchgate.net
This paper presents a method able to upscale finite element (FE) results obtained for coarse
meshes of 2D models at a higher resolution, using both radial basis functions (RBF) and …

Multi-objective structural optimization of the aluminum alloy subway car body based on an approximate proxy model

Y Li, Z Zhang, L Xu - Advances In Mechanical Engineering, 2022 - journals.sagepub.com
To improve the comprehensive structural performance and optimize the structural quality of
the aluminum alloy subway car body, a multi-objective structural optimization method based …

Radial basis function approximation optimal shape parameters estimation

V Skala, SAA Karim, M Zabran - … , Amsterdam, The Netherlands, June 3–5 …, 2020 - Springer
Radial basis functions (RBF) are widely used in many areas especially for interpolation and
approximation of scattered data, solution of ordinary and partial differential equations, etc …

Structural optimisation of the DEMO alternative divertor configurations based on FE and RBF mesh morphing

A Chiappa, C Bachmann, F Maviglia, V Tomarchio… - Heliyon, 2023 - cell.com
The DEMO tokamak exhibits extraordinary complexity due to the constraints and
requirements pertaining to different fields of physics and engineering. The multidisciplinary …