Automatic construction of structural CAD models from 3D topology optimization

JC Cuillière, V François, A Nana - Computer-Aided Design and …, 2018 - Taylor & Francis
The integration of topology optimization (TO) methods with Computer-Aided design (CAD)
arouses a growing interest for mechanical and structural design purposes. However …

3D geometric modelling of discontinuous fibre composites using a force-directed algorithm

LT Harper, CC Qian, R Luchoo… - Journal of Composite …, 2017 - journals.sagepub.com
A geometrical modelling scheme is presented to produce representative architectures for
discontinuous fibre composites, enabling downstream modelling of mechanical properties …

Coupling 2D continuum and beam elements: a mixed formulation for avoiding spurious stresses

S Klarmann, J Wackerfuß, S Klinkel - Computational Mechanics, 2022 - Springer
This paper presents a novel approach to coupling beam and solid elements. Connecting
standard beam elements with solid elements results in a situation where the solid part of the …

Integration of CAD, FEA and topology optimization through a unified topological model

JC Cuillière, V Francois - Computer-Aided Design and …, 2014 - Taylor & Francis
We have been involved in research work in the field of finite element analysis (FEA)
integration with computer aided design (CAD) for several years and have developed several …

Mixed dimensional isogeometric FE-BE coupling analysis for solid–shell structures

H Yang, C Dong, Y Wu, R Dai - Computer Methods in Applied Mechanics …, 2021 - Elsevier
In this paper, the collocation-based isogeometric boundary element method (IGABEM) is
combined with the isogeometric Reissner–Mindlin shell elements to conduct the mixed …

A simplified and efficient hybrid finite element model (HYMOD) for non-linear 3D simulation of RC structures

G Markou, M Papadrakakis - Engineering Computations, 2015 - emerald.com
Purpose–The purpose of this paper is to present a simplified hybrid modeling (HYMOD)
approach which overcomes limitations regarding computational cost and permits the …

Nitsche's method method for mixed dimensional analysis: conforming and non-conforming continuum-beam and continuum-plate coupling

VP Nguyena, P Kerfriden, SCS Bordas - arxiv preprint arxiv:1308.2910, 2013 - arxiv.org
A Nitche's method is presented to couple different mechanical models. They include
coupling of a solid and a beam and of a solid and a plate. Both conforming and non …

The Nitsche method applied to a class of mixed-dimensional coupling problems

D Rabinovich, Y Ofir, D Givoli - Computer Methods in Applied Mechanics …, 2014 - Elsevier
A computational approach for the mixed-dimensional modeling of time-harmonic waves in
elastic structures is proposed. A two-dimensional (2D) structure is considered, that includes …

Analysis feature recognition and mixed-dimensional model reconstruction from finite element analysis mesh model

SH Ma, L Tian - Proceedings of the Institution of Mechanical …, 2014 - journals.sagepub.com
Instead of extracting mid-surfaces from computer-aided design model, an automatic
dimensional reduction approach is proposed, which simplifies the finite element analysis …

Computationally efficient and robust nonlinear 3d cyclic modeling of RC structures through a hybrid finite element model (HYMOD)

G Markou, C Mourlas… - International Journal of …, 2019 - World Scientific
A computationally efficient and robust simulation method is presented in this work, for the
cyclic modeling of reinforced concrete (RC) structures. The proposed hybrid modeling …