Parallel computations in nonlinear solid mechanics using adaptive finite element and meshless methods

Autor: Zahur Ullah, Will Coombs, C Augarde

Publikováno v: Engineering Computations, 2016, Vol. 33, Issue 4, pp. 1161-1191.

Externí odkaz: http://www.emeraldinsight.com/doi/10.1108/EC-06-2015-0166

Proportional topology optimisation with maximum entropy-based meshless method for minimum compliance and stress constrained problems

Autor: Zahur Ullah, Baseer Ullah, Wajid Khan, Siraj Ul-islam

Publikováno v: Ullah, Z, Ullah, B, Khan, W & ul-Islam, S 2022, ' Proportional topology optimisation with maximum entropy-based meshless method for minimum compliance and stress constrained problems ', Engineering With Computers . https://doi.org/10.1007/s00366-022-01683-w
Queen's University Belfast-PURE
Ullah, Z, Ullah, B, Khan, W & Ul-islam, S 2022, ' Proportional topology optimisation with maximum entropy-based meshless method for minimum compliance and stress constrained problems ', 15th World Congress on Computational Mechanics (WCCM-XV) 8th Asian Pacific Congress on Computational Mechanics (APCOM-VIII), Yokohama, Japan, 31/07/2022-05/08/2022 pp. 1794 .

In this paper, proportional topology optimisation (PTO) with maximum entropy (maxent)-based meshless method is presented for two-dimensional linear elastic structures for both minimum compliance (PTOc) and stress constraint (PTOs) problems. The compu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3d7f671ba8636977549b0e285af7cb1a
https://pure.qub.ac.uk/en/publications/3f2da2bf-2028-496c-9779-ff4c54ddcd5b

On the importance of finite element mesh alignment along the fibre direction for modelling damage in fibre-reinforced polymer composite laminates

Autor: S.L.J. Millen, Brian Falzon, Zahur Ullah

Publikováno v: Millen, S L J, Ullah, Z & Falzon, B G 2021, ' On the importance of finite element mesh alignment along the fibre direction for modelling damage in fibre-reinforced polymer composite laminates ', Composite Structures, vol. 278, 114694 . https://doi.org/10.1016/j.compstruct.2021.114694

A finite element mesh , aligned along the fibre direction, has often been purported to yield more accurate results in the modelling of damage in composite structures constructed from unidirectional fibre reinforced polymer laminates. However, there h

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::76347dfc394f0907c09fad9b528178d7
https://pure.qub.ac.uk/en/publications/40ed5e81-3f86-4861-b1b2-6cfd930b5bc8

A unified framework for the multi-scale computational homogenisation of 3D-textile composites

Autor: Zahur Ullah, Alistair McIlhagger, Edward Archer, Lukasz Kaczmarczyk, X.-Y. Zhou, Eileen Harkin-Jones

Publikováno v: Ullah, Z, Zhou, X-Y, Kaczmarczyk, L, Archer, E, McIlhagger, A & Harkin-Jones, E 2019, ' A unified framework for the multi-scale computational homogenisation of 3D-textile composites ', Composites Part B: Engineering, vol. 167, pp. 582-598 . https://doi.org/10.1016/j.compositesb.2019.03.027

This paper extends the applications of a novel and fully automated multi-scale computational homogenisation framework, originally proposed by the authors (Ullah et al. (2017)) for unidirectional and 2D-textile composites, to 3D-textile composites. 3D

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c93a86359bf25b3ff2751300dcfae1da
https://doi.org/10.1016/j.compositesb.2019.03.027

The localized radial basis functions for parameterized level set based structural optimization

Autor: Baseer Ullah, Wajid Khan, Zahur Ullah, Siraj-ul-Islam

Publikováno v: ul-Islam, S, Khan, W, Ullah, B & Ullah, Z 2020, ' The localized radial basis functions for parameterized level set based structural optimization ', Engineering Analysis with Boundary Elements, vol. 113 . https://doi.org/10.1016/j.enganabound.2020.01.008

The current work is mainly about the implementation of the local radial basis functions (LRBFs) within the level set framework for structural optimization of two-dimensional linear elastic problems. The implicit representation of the structural geome

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::366edc77c54d9601b24251900a0dfe64
https://pure.qub.ac.uk/en/publications/the-localized-radial-basis-functions-for-parameterized-level-set-based-structural-optimization(bd509990-2f42-42a5-85db-d38911683aaa).html