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A staggered high-dimensional Proper Generalised Decomposition for coupled magneto-mechanical problems with application to MRI scanners
(2020-10-01)
Article
Restricted access - publisher's policyManufacturing new Magnetic Resonance Imaging (MRI) scanners represents a computational challenge to industry, due to the large variability in material parameters and geometrical configurations that need to be tested during ... -
Reshaping diagrams for bending straightening of forged aeronautical components
(2020-09-01)
Article
Restricted access - publisher's policyLarge and thick-walled aluminium forgings exhibit shape distortions induced by residual stresses. To restore the nominal geometry, a series of highly manual and time-consuming reshaping operations need to be carried out. ... -
Building a certified reduced basis for coupled thermo-hydro-mechanical systems with goal-oriented error estimation
(Springer, 2020-09)
Article
Restricted access - publisher's policyA goal-oriented a-posteriori error estimator is developed for transient coupled thermo-hydro-mechanical (THM) parametric problems solved with a reduced basis approximation. The estimator assesses the error in some specific ... -
A weakly compressible hybridizable discontinuous Galerkin formulation for fluid-structure interaction problems
(2020-12-01)
Article
Restricted access - publisher's policyA scheme for the solution of fluid-structure interaction (FSI) problems with weakly compressible flows is proposed in this work. A novel hybridizable discontinuous Galerkin (HDG) method is derived for the discretization ... -
Hybridisable discontinuous Galerkin solution of geometrically parametrised Stokes flows
(2020-12-01)
Article
Restricted access - publisher's policyThis paper proposes a novel computational framework for the solution of geometrically parametrised flow problems governed by the Stokes equation. The proposed method uses a high-order hybridisable discontinuous Galerkin ... -
Fast solution of elliptic harbor agitation problems under frequency-direction input spectra by model order reduction and NURBS-enhanced FEM
(2020-03-01)
Article
Restricted access - publisher's policyMany harbor applications are based on the solution of linear elliptic agitation problems for many spectral conditions. One of the main goals consists in computing the linear combination of numerous simulations of the harbor ... -
A local multiple proper generalized decomposition based on the partition of unity
(John Wiley & sons, 2019-10-12)
Article
Open AccessIt is well known that model order reduction techniques that project the solution of the problem at hand onto alow-dimensional subspace present difficulties when this solution lies on a non-linear manifold. To overcomethese ... -
A regularised-adaptive Proper Generalised Decomposition implementation for coupled magneto-mechanical problems with application to MRI scanners
(2020-01-01)
Article
Restricted access - publisher's policyLatest developments in high-strength Magnetic Resonance Imaging (MRI) scanners with in-built high resolution, have dramatically enhanced the ability of clinicians to diagnose tumours and rare illnesses. However, their ... -
Hybrid coupling of CG and HDG discretizations based on Nitsche’s method
(Springer, 2020-02)
Article
Open AccessA strategy to couple continuous Galerkin (CG) and hybridizable discontinuous Galerkin (HDG) discretizations based only on the HDG hybrid variable is presented for linear thermal and elastic problems. The hybrid CG-HDG ... -
Nonintrusive proper generalised decomposition for parametrised incompressible flow problems in OpenFOAM
(2020-04)
Article
Restricted access - publisher's policyThe computational cost of parametric studies currently represents the major limitation to the application of simulation-based engineering techniques in a daily industrial environment. This work presents the first nonintrusive ...
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