Search Results - "Ghidoni, A"
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1
Linearly implicit Rosenbrock-type Runge–Kutta schemes applied to the Discontinuous Galerkin solution of compressible and incompressible unsteady flows
Published in Computers & fluids (02-09-2015)“…•Efficient implementation of Rosenbrock schemes in a Discontinuous Galerkin method.•Logarithmic variables ensuring positivity of computed thermodynamic…”
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2
Robustness and efficiency of an implicit time-adaptive discontinuous Galerkin solver for unsteady flows
Published in Computers & fluids (30-05-2020)“…•Implementation of the time-adaptive integration in a high-order DG solver.•Development of adaptive high-order accuracy time integration schemes.•Calibration…”
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3
Modified extended BDF scheme for the discontinuous Galerkin solution of unsteady compressible flows
Published in International journal for numerical methods in fluids (30-11-2014)“…SUMMARYIn this paper, a high‐order DG method coupled with a modified extended backward differentiation formulae (MEBDF) time integration scheme is proposed for…”
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4
Surrogate based optimization approach for the calibration of cavitation models
Published in Optimization and engineering (01-03-2023)“…The accuracy of CFD simulations is heavily influenced by the empirical coefficients employed by the mathematical models adopted to describe different physical…”
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5
On the development of an implicit high-order Discontinuous Galerkin method for DNS and implicit LES of turbulent flows
Published in European journal of mechanics, B, Fluids (01-01-2016)“…In recent years Discontinuous Galerkin (DG) methods have emerged as one of the most promising high-order discretization techniques for CFD. DG methods have…”
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6
A high-order Discontinuous Galerkin solver for unsteady incompressible turbulent flows
Published in Computers & fluids (05-11-2016)“…•Implementation of high-order time integration schemes in an incompressible DG solver.•Evaluation and calibration of a strategy to adapt the…”
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7
A numerical investigation of a spectral-type nodal collocation discontinuous Galerkin approximation of the Euler and Navier-Stokes equations
Published in International journal for numerical methods in fluids (10-04-2013)“…SUMMARYIn this paper, we focus on the applicability of spectral‐type collocation discontinuous Galerkin methods to the steady state numerical solution of the…”
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8
Discontinuous Galerkin solution of the RANS and kL−k−log(ω) equations for natural and bypass transition
Published in Computers & fluids (15-01-2021)“…•Novel transition model based on the laminar kinetic energy.•Implementation of the transition model in a Discontinuous Galerkin solver.•Validation of the model…”
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A high-order Discontinuous Galerkin solver for the incompressible RANS and k–ω turbulence model equations
Published in Computers & fluids (02-07-2014)“…•DG solution of the incompressible RANS and k–ω turbulence model eq. is presented.•The inviscid interface numerical fluxes is based on an exact Riemann…”
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10
Efficient p-multigrid discontinuous Galerkin solver for complex viscous flows on stretched grids
Published in International journal for numerical methods in fluids (20-05-2014)“…SUMMARYDiscontinuous Galerkin methods are very well suited for the construction of very high‐order approximations of the Euler and Navier–Stokes equations on…”
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11
High-order linearly implicit two-step peer schemes for the discontinuous Galerkin solution of the incompressible Navier–Stokes equations
Published in Computers & fluids (30-01-2018)“…•Assessment of a discontinuous Galerkin solver for the unsteady incompressible Navier–Stokes equations (DAEs).•Implementation of high-order linearly implicit…”
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12
A p-adaptive Matrix-Free Discontinuous Galerkin Method for the Implicit LES of Incompressible Transitional Flows
Published in Flow, turbulence and combustion (2020)“…In recent years Computational Fluid Dynamics (CFD) has become a widespread practice in industry. The growing need to simulate off-design conditions,…”
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13
Spectral p-multigrid discontinuous Galerkin solution of the Navier-Stokes equations
Published in International journal for numerical methods in fluids (20-12-2011)“…Discontinuous Galerkin (DG) methods are very well suited for the construction of very high‐order approximations of the Euler and Navier–Stokes equations on…”
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14
Optimal Runge–Kutta smoothers for the p-multigrid discontinuous Galerkin solution of the 1D Euler equations
Published in Journal of computational physics (20-05-2011)“…This work presents a family of original Runge–Kutta methods specifically designed to be effective relaxation schemes in the numerical solution of the steady…”
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15
High-order accurate p-multigrid discontinuous Galerkin solution of the Euler equations
Published in International journal for numerical methods in fluids (20-07-2009)“…Discontinuous Galerkin (DG) methods have proven to be perfectly suited for the construction of very high‐order accurate numerical schemes on arbitrary…”
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16
Assessment of a high-order accurate Discontinuous Galerkin method for turbomachinery flows
Published in International journal of computational fluid dynamics (20-04-2016)“…In this work the capabilities of a high-order Discontinuous Galerkin (DG) method applied to the computation of turbomachinery flows are investigated. The…”
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17
“The HD project” – biomarkers of depression in HIV newly diagnosed patients
Published in Journal of psychosomatic research (01-06-2015)Get full text
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Progress with the INTERMED Self-Assessment (IMSA) Study: From European to international
Published in Journal of psychosomatic research (01-06-2014)Get full text
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The use of IM in research: The IM-SA study
Published in Journal of psychosomatic research (01-08-2013)Get full text
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3D anisotropic unstructured grid generation
Published in International journal for numerical methods in fluids (30-07-2006)“…This paper describes a fully automatic 3D anisotropic mesh generation method for domains of arbitrary shape. The spacing of the boundary mesh is computed by…”
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