Towards a parameter-free method for high Reynolds number turbulent flow simulation based on adaptive finite element approximation

J Hoffman, J Jansson, N Jansson… - Computer Methods in …, 2015 - Elsevier
This article is a review of our work towards a parameter-free method for simulation of
turbulent flow at high Reynolds numbers. In a series of papers we have developed a model …

Unicorn: Parallel adaptive finite element simulation of turbulent flow and fluid–structure interaction for deforming domains and complex geometry

J Hoffman, J Jansson, RV de Abreu, NC Degirmenci… - Computers & …, 2013 - Elsevier
We present a framework for adaptive finite element computation of turbulent flow and fluid–
structure interaction, with focus on general algorithms that allow for complex geometry and …

Time-periodic steady-state solution of fluid-structure interaction and cardiac flow problems through multigrid-reduction-in-time

A Hessenthaler, RD Falgout, JB Schroder… - Computer Methods in …, 2022 - Elsevier
In this paper, a time-periodic MGRIT algorithm is proposed as a means to reduce the time-to-
solution of numerical algorithms by exploiting the time periodicity inherent to many …

An interface‐tracking unified continuum model for fluid‐structure interaction with topology change and full‐friction contact with application to aortic valves

J Hiromi Spühler, J Hoffman - International Journal for …, 2021 - Wiley Online Library
An interface tracking finite element methodology is presented for 3D turbulent flow fluid‐
structure interaction, including full‐friction contact and topology changes, with specific focus …

New theory of flight

J Hoffman, J Jansson, C Johnson - Journal of Mathematical Fluid …, 2016 - Springer
We present a new mathematical theory explaining the fluid mechanics of subsonic flight,
which is fundamentally different from the existing boundary layer-circulation theory by …

Validation of a non‐conforming monolithic fluid‐structure interaction method using phase‐contrast MRI

A Hessenthaler, O Röhrle… - International journal for …, 2017 - Wiley Online Library
This paper details the validation of a non‐conforming arbitrary Lagrangian‐Eulerian fluid‐
structure interaction technique using a recently developed experimental 3D fluid‐structure …

Velocity-based space-time FEMs for solid dynamics problem: generalized framework for linear basis functions in time

V Sharma, K Fujisawa, Y Kuroda - Computational Mechanics, 2024 - Springer
Time discontinuous Galerkin space-time finite element method (ST/FEM) can be used for
developing arbitrary high-order accurate and unconditionally stable time integration …

Finite element based large eddy simulation of flow over bluff bodies

S Tran, R Cummings, O Sahni - Computers & Fluids, 2017 - Elsevier
Large eddy simulation (LES) of bluff body flows is performed using a finite element based
formulation which employs a combined subgrid-scale model. The combined model uses the …

Modeling effects of membrane tension on dynamic stall for thin membrane wings

M Alioli, P Masarati, M Morandini, R Albertani… - Aerospace Science and …, 2017 - Elsevier
An approach for predicting time varying aerodynamic loads on a pitching membrane wing
due to rotational pitching and steady airflow is presented. The proposed model utilizes …

Adaptative finite element simulation of unsteady turbulent compressible flows on unstructured meshes

RV Linn, AM Awruch - Computers & Fluids, 2023 - Elsevier
The simulation of high-speed turbulent compressible flows using Large Eddy Simulation
(LES) combined with the Characteristic-Based Split scheme (CBS) and a mesh adaptation …