Found 111 Documents (Results 1–100)
A monolithic hyper ROM \(\mathrm{FE}^2\) method with clustered training at finite deformations. (English) Zbl 1539.74446
Data-driven reduced-order modelling for blood flow simulations with geometry-informed snapshots. (English) Zbl 07811324
An optimisation-based domain-decomposition reduced order model for the incompressible Navier-Stokes equations. (English) Zbl 1538.76110
Development of POD-based reduced order models applied to shallow water equations using augmented Riemann solvers. (English) Zbl 1539.76136
An artificial neural network approach to bifurcating phenomena in computational fluid dynamics. (English) Zbl 1521.76359
Generalised latent assimilation in heterogeneous reduced spaces with machine learning surrogate models. (English) Zbl 1534.76069
Numerical assessment of a nonintrusive surrogate model based on recurrent neural networks and proper orthogonal decomposition: Rayleigh-Bénard convection. (English) Zbl 1516.76065
ROM-based multiobjective optimization of elliptic PDEs via numerical continuation. (English) Zbl 1507.90161
Hintermüller, Michael (ed.) et al., Non-smooth and complementarity-based distributed parameter systems. Simulation and hierarchical optimization. Cham: Birkhäuser. ISNM, Int. Ser. Numer. Math. 172, 43-76 (2022).
Data-driven surrogate model with latent data assimilation: application to wildfire forecasting. (English) Zbl 07540351
The neural network shifted-proper orthogonal decomposition: a machine learning approach for non-linear reduction of hyperbolic equations. (English) Zbl 1507.65208
Reduced order modelling for a rotor-stator cavity using proper orthogonal decomposition. (English) Zbl 1521.76357
Discrete networked dynamic systems with mode separation: state and output synchronization. (English) Zbl 1475.93068
Isogeometric analysis with proper orthogonal decomposition for elastodynamics. (English) Zbl 1528.65076
Direct computation of nonlinear mapping via normal form for reduced-order models of finite element nonlinear structures. (English) Zbl 1506.65165
MSC:
65M60
Application of deterministic and randomized dynamic mode decomposition in epidemiology and fluid dynamics. (English) Zbl 1538.92014
Reduced-order modelling of thermoacoustic instabilities in a two-heater Rijke tube. (English) Zbl 1519.80028
Data-driven correction reduced order models for the quasi-geostrophic equations: a numerical investigation. (English) Zbl 1483.76047
Impact of POD modes energy redistribution on flow reconstruction for unsteady flows of impulsively started airfoils and wings. (English) Zbl 1482.76099
Dynamics of a waveboard simplified. (English) Zbl 1472.70003
MSC:
70B10
Indirect reduced-order modelling: using nonlinear manifolds to conserve kinetic energy. (English) Zbl 1472.74200
Identifying phase-varying periodic behaviour in conservative nonlinear systems. (English) Zbl 1472.70047
MSC:
70K75
A staggered high-dimensional proper generalised decomposition for coupled magneto-mechanical problems with application to MRI scanners. (English) Zbl 1506.74118
Reduced order isogeometric analysis approach for PDEs in parametrized domains. (English) Zbl 1455.62227
D’Elia, Marta (ed.) et al., Quantification of uncertainty: improving efficiency and technology. QUIET. Selected contributions based on the presentations at the international workshop, Trieste, Italy, July 18–21, 2017. Cham: Springer. Lect. Notes Comput. Sci. Eng. 137, 153-170 (2020).
A novel penalty-based reduced order modelling method for dynamic analysis of joint structures. (English) Zbl 1428.93031
Fehr, Jörg (ed.) et al., IUTAM symposium on model order reduction of coupled systems. MORCOS 2018. Proceedings of the IUTAM symposium, Stuttgart, Germany, May 22–25, 2018. Cham: Springer. IUTAM Bookser. 36, 165-176 (2020).
Experimental data-based reduced-order model for analysis and prediction of flame transition in gas turbine combustors. (English) Zbl 1519.80023
A nonintrusive reduced order modelling approach using proper orthogonal decomposition and locally adaptive sparse grids. (English) Zbl 1453.65029
Proper orthogonal decomposition with SUPG-stabilized isogeometric analysis for reduced order modelling of unsteady convection-dominated convection-diffusion-reaction problems. (English) Zbl 1452.76094
A domain decomposition method for the non-intrusive reduced order modelling of fluid flow. (English) Zbl 1441.76074
A domain decomposition non-intrusive reduced order model for turbulent flows. (English) Zbl 1411.76072
Smoothed particle hydrodynamics and modal reduction for efficient fluid-structure interaction. (English) Zbl 1485.93102
Efficiency of randomised dynamic mode decomposition for reduced order modelling. (English) Zbl 07474458
Towards real-time cardiac mechanics modelling with patient-specific heart anatomies. (English) Zbl 1439.74211
Output feedback control of flow separation over an aerofoil using plasma actuators. (English) Zbl 1409.93027
Randomized dynamic mode decomposition for nonintrusive reduced order modelling. (English) Zbl 07867129
A reduced order model for investigating the dynamics of the Gen-IV LFR coolant pool. (English) Zbl 1443.76050
A priori estimation of memory effects in reduced-order models of nonlinear systems using the Mori-Zwanzig formalism. (English) Zbl 1402.76065
A numerical study of different projection-based model reduction techniques applied to computational homogenisation. (English) Zbl 1386.74142
POD-Galerkin method for finite volume approximation of Navier-Stokes and RANS equations. (English) Zbl 1439.76112
A reduced-order model of mould heat transfer in the continuous casting of steel. (English) Zbl 1471.80002
MSC:
80A19
Energetic parameters in approximation of discrete systems: a MIMO extension problem. (English) Zbl 1362.93026
Modeling and optimization techniques with applications in food processes, bio-processes and bio-systems. (English) Zbl 1347.92045
Higueras, Inmaculada (ed.) et al., Numerical simulation in physics and engineering. Lecture notes of the XVI ‘Jacques-Louis Lions’ Spanish-French school, Pamplona, Spain, September 2014. Cham: Springer (ISBN 978-3-319-32145-5/hbk; 978-3-319-32146-2/ebook). SEMA SIMAI Springer Series 9, 187-216 (2016).
MSC:
92C99
Goal-oriented error estimation for the reduced basis method, with application to sensitivity analysis. (English) Zbl 1344.65105
Modeling disease transmission near eradication: an equation free approach. (English) Zbl 1365.92137
MSC:
92D30
93A30
Reduced-order modelling of self-excited, time-periodic systems using the method of proper orthogonal decomposition and the Floquet theory. (English) Zbl 1302.70014
An optimal model identification for oscillatory dynamics with a stable limit cycle. (English) Zbl 1291.93029
Reduced order modelling for unsteady fluid flow using proper orthogonal decomposition and radial basis functions. (English) Zbl 1426.76576
MSC:
76M25
76G25
Numerical modelling of natural draft wet-cooling towers. (English) Zbl 1354.80012
MSC:
80M25
80A20
A POD reduced-order model for eigenvalue problems with application to reactor physics. (English) Zbl 1352.82018
Proper orthogonal decomposition, surrogate modelling and evolutionary optimization in aerodynamic design. (English) Zbl 1290.76051
MSC:
76G25
Eigenanalysis and reduced-order modelling of unsteady partial cavity flows using the boundary element method. (English) Zbl 1287.76156
Non-linear Petrov-Galerkin methods for reduced order hyperbolic equations and discontinuous finite element methods. (English) Zbl 1284.65132
Boundary control and shape optimization for the robust design of bypass anastomoses under uncertainty. (English) Zbl 1402.92246
Low-order modelling of shallow water equations for sensitivity analysis using proper orthogonal decomposition. (English) Zbl 07506655
Stochastic systems. Uncertainty quantification and propagation. (English) Zbl 1247.60002
Springer Series in Reliability Engineering. New York, NY: Springer (ISBN 978-1-4471-2326-2/hbk; 978-1-4471-2327-9/ebook). xi, 529 p. (2012).
Reviewer: Jan Gairing (Berlin)
Comparison and combination of reduced-order modelling techniques in 3D parametrized heat transfer problems. (English) Zbl 1302.80014
Highly efficient optimization mesh movement method based on proper orthogonal decomposition. (English) Zbl 1235.74349
A fully symmetric nonlinear biorthogonal decomposition theory for random fields. (English) Zbl 1209.60031
Proper orthogonal decomposition in decoupling large dynamical systems. (English) Zbl 1398.76190
Tromeur-Dervout, Damien (ed.) et al., Parallel computational fluid dynamics 2008. Parallel numerical methods, software development and applications. Proceedings of the 20th international conference, Lyon, France, May 19–22, 2008. Berlin: Springer (ISBN 978-3-642-14437-0/hbk; 978-3-642-26515-0/pbk978-3-642-14438-7/ebook). Lecture Notes in Computational Science and Engineering 74, 193-202 (2010).
Modeling a complex aero-engine using reduced order models. (English) Zbl 1237.93014
Mohammadpour, Javad (ed.) et al., Efficient modeling and control of large-scale systems. New York, NY: Springer (ISBN 978-1-4419-5756-6/hbk; 978-1-4419-5757-3/ebook). 89-111 (2010).
Boundary feedback control of the Burgers equations by a reduced-order approach using centroidal Voronoi tessellations. (English) Zbl 1203.93088
A high-fidelity low-cost aerodynamic model using proper orthogonal decomposition. (English) Zbl 1423.76182
MSC:
76G25
76M25
Linear and nonlinear elastodynamics of nonshallow cables. (English) Zbl 1134.93309
Hu, H. Y. (ed.) et al., IUTAM symposium on dynamics and control of nonlinear systems with uncertainty. Proceedings of the IUTAM symposium held in Nanjing, China, September 18–22, 2006. Dordrecht: Springer (ISBN 978-1-4020-6331-2/hbk). IUTAM Bookseries 2, 237-246 (2007).
Model-order reduction of large-scale second-order MIMO dynamical systems via a block second-order Arnoldi method. (English) Zbl 1131.65055
Reviewer: Nicholas Karampetakis (Thessaloniki)
A reduced-order approach to four-dimensional variational data assimilation using proper orthogonal decomposition. (English) Zbl 1370.86002
A comparison of full nonlinear and reduced order aerodynamic models in control law design using a two-dimensional aerofoil model. (English) Zbl 1122.76372
Calibrated reduced-order POD-Galerkin system for fluid flow modelling. (English) Zbl 1177.76283
MSC:
76M25
76M10
Reduced order modelling of RLC-networks using an SVD-Laguerre based method. (English) Zbl 1108.78019
Schilders, Wilhelmus H. A. (ed.) et al., Scientific computing in electrical engineering. Proceedings of the SCEE 2002 Conference, Eindhoven, The Netherlands, June 23–28, 2002. Berlin: Springer (ISBN 3-540-21372-4/hbk). Mathematics in Industry 4. The European Consortium for Mathematics in Industry, 223-230 (2004).
Reviewer: Ll. G. Chambers (Bangor)
Reduced order modelling approaches to PDE-constrained optimization based on proper orthogonal decomposition. (English) Zbl 1060.49023
Biegler, Lorenz T. (ed.) et al., Large-scale PDE-constrained optimization. Berlin: Springer (ISBN 3-540-05045-0/pbk). Lect. Notes Comput. Sci. Eng. 30, 268-280 (2003).
Implicit moments matching through Krylov subspaces projections methods. Lanczos methods. (English) Zbl 1150.93329
Implicit moments matching through Krylov subspaces projections methods. Arnoldi methods. (English) Zbl 1150.93328
Application of proper orthogonal decomposition to the discrete Euler equations. (English) Zbl 1021.76037
Reduced-order modeling techniques based on Krylov subspaces and their use in circuit simulation. (English) Zbl 0967.93008
Datta, Biswa Nath (ed.), Applied and computational control, signals, and circuits. Vol. 1. Basel: Birkhäuser. 435-498 (1999).
Reviewer: Neculai Curteanu (Iaşi)
On the control of discrete-time multiple-time-scale systems. (English) Zbl 0915.93044
Reviewer: V.Dragan (Bucureşti)
Convergent algorithms for frequency weighted \(L_{2}\) model reduction. (English) Zbl 0901.93009
MSC:
93B11
93A30
Robust, reduced-order modeling for state-space systems via parameter-dependent bounding functions. (English) Zbl 0876.93019
Reviewer: A.A.Pervozvanskij (St.Peterburg)
Approximation of continuous-time linear systems using Markov parameters and energy indices. (English) Zbl 0817.93008
Robust identification of systems with both bias and variance disturbances. (English) Zbl 0817.93070
Reviewer: A.Šwierniak (Gliwice)
Model validation by the distortion method: Linear state space systems. (English) Zbl 0760.93009
MSC:
93A30
93C15
Parametric approach to the admissibility of reference-driven square systems. (English) Zbl 0706.93005
A simple and flexible method for model simplification. (English) Zbl 0701.93013
Reviewer: M.Tibaldi
MSC:
93B11
93A30
Unified optimal projection equations for simultaneous reduced-order, robust modelling, estimation and control. (English) Zbl 0648.93073
Reviewer: Sv.Gaidov
Optical projection equations for reduced-order modelling, estimation, and control of linear systems with multiplicative white noise. (English) Zbl 0631.93077
On the overlapping decomposition of dynamic systems. (English) Zbl 0632.93004
Annu. Rev. Autom. Program. 12, part 1, 263-266 (1985).
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