• D. Sharov, H. Luo, J. Baum, R. Lohner
    Int. J. Numer. Meth. Fluids (2003). Vol. 43 (6-7), pp. 717-728

    Abstract
    Problems related to automatic generation of highly stretched unstructured grids suitable for 3‐D Reynolds‐averaged Navier–Stokes computations are addressed. Special [...]

  • O. Soto, R. Lohner
    Int. J. Numer. Meth. Engng. (2001). Vol. 51 (6), pp. 735-753

    Abstract
    A design methodology based on the adjoint approach for flow problems governed by the incompressible Euler equations is presented. The main feature of the algorithm is that [...]

  • R. Lohner
    Int. J. Numer. Meth. Engng. (2001). Vol. 51 (6), pp. 663-678

    Abstract
    A parallel advancing front scheme has been developed. The domain to be gridded is first subdivided spatially using a relatively coarse octree. Boxes are then identified and [...]

  • J. Cebral, R. Lohner, P. Choyke, P. Yim
    Journal of Biomechanics (2001). Vol. 34 (6), pp. 815-819

    Abstract
    Surface mesh generation over intersecting triangulations is a problem common to many branches of biomechanics. A new strategy for merging intersecting triangulations is described. [...]

  • J. Cebral, R. Lohner
    Int. J. Numer. Meth. Engng. (2001). Vol. 51 (8), pp. 985-1008

  • C. Yang, O. Soto, R. Lohner, F. Noblesse
    Ship Technology Research (2002). Vol. 49 (2), pp. 70-92

    Abstract
    An illustrative application of practical CFD tools to a simple ship design problem is presented. Four methods of analysis – a nonlinear method based on Euler’s [...]

  • C. Yang, R. Lohner, O. Soto
    (2001). Proceedings of the Eighth International Symposium on Practical Design of Ships and Other Floating Structures 16, Vol. 1, pp. 43-50

    Abstract
    A simple CFD tool, coupled to a discrete surface representation and a gradient-based optimization procedure, is applied to the design of optimal hull forms and optimal arrangement [...]

  • J. Cebral, R. Lohner, O. Soto, P. Choyke, P. Yim
    (2002). Proceedings Volume 4683, Medical Imaging 2002: Physiology and Function from Multidimensional

    Abstract
    A methodology to construct patient-specific, anatomically and physiologically realistic finite element models of blood flows in stenosed carotid arteries is presented. Anatomical [...]

  • O. Soto, R. Lohner, C. Yang
    Commun. Numer. Meth. Engng (2002). Vol. 18 (4), pp. 251-258

    Abstract
    A surface representation for computational fluid dynamics (CFD) shape design problems is presented. The surface representation is based on the solution of a simplified pseudo‐shell [...]

  • R. Lohner, M. Galle
    Commun. Numer. Meth. Engng (2002). Vol. 18 (5), pp. 335-343

    Abstract
    A point renumbering scheme that halves the number of indirect addressing operations required for edge‐based field solvers has been developed. At the same time, an alternative [...]

  • C. Yang, R. Lohner
    Int. J. Computational Fluid Dynamics (2002). Vol. 16 (3), pp. 217-227

    Abstract
    An unstructured grid-based, parallel free-surface flow solver has been extended to account for sinkage and trim effects in the calculation of steady ship waves. The overall [...]

  • J. Cebral, F. Camelli, R. Lohner
    Int. J. Numer. Meth. Engng. (2002). Vol. 55 (2), pp. 177-190

    Abstract
    Several extensions and improvements to surface merging procedures based on the extraction of iso-surfaces from a distance map defined on an adaptive background grid are presented. [...]

  • S. Hanna, S. Tehranian, B. Carissimo, R. Macdonald, R. Lohner
    Atmospheric Environment (2002). Vol. 36 (32), pp. 5067-5079

    Abstract
    A three-dimensional numerical code with unstructured tetrahedral grids, the finite element flow solver (FEFLO), was used to simulate the mean flow and the turbulence within [...]

  • R. Ramamurti, W. Sandberg, R. Lohner, J. Walker, M. Westneat
    Journal of Experimental Biology (2002). Vol. 205 (9), pp. 299-3008

    Abstract
    Many fishes that swim with the paired pectoral fins use fin-stroke parameters that produce thrust force from lift in a mechanism of underwater flight. These locomotor mechanisms [...]

  • J. Cebral, P. Yim, R. Lohner, O. Soto, P. Choyke
    Academic Radiology (2002). Vol. 9 (11), pp. 1286-1299

    Abstract
    The authors' goal was to develop a noninvasive method for detailed assessment of blood flow patterns from direct in vivo measurements of vessel anatomy and flow rates. [...]

  • R. Lohner, C. Yang, J. Cebral, O. Soto, F. Camelli
    (2003). Numerical Simulations of incompressible flows, pp. 50-71

    Abstract
    A family of low-order finite element solvers for incompressible flows is described. Both the advection and divergence terms are treated using consistent numerical fluxes along [...]

  • J. Baum, E. Mestreau, H. Luo, R. Lohner, D. Pelessone, C. Charman
    (2012). Computational Fluid Dynamics. Springer, Berlin, Heidelberg

    Abstract
    This paper describes recent algorithm developments and select applications of a program that couples parallel Computational Fluid Dynamics (CFD) and Computational Structural [...]

  • J. Baum, E. Mestreau, H. Luo, C. Charman, R. Lohner, D. Pelessone
    WIT Transactions on the Built Environment (2003). Vol. 71 (10), pp. 263-272

    Abstract
    This paper describes recent developments and select applications of a program that couples parallel Computational Fluid Dynamics (CFD) and Computational Structural Dynamics [...]

  • J. Baum, E. Mestreau, H. Luo, D. Pelessone, C. Charman, M. Giltrud, Y. Sohn
    WIT Transactions on The Built Environment (2003). Vol. 71 (10), pp. 329-340

    Abstract
    This paper describes recent algorithm developments and applications of a program that couples parallel Computational Fluid Dynamics (CFD) and Computational Structural Dynamics [...]

  • R. Lohner, J. Baum, E. Mestreau, C. Charman, D. Pelessone
    WIT Transactions on The Built Environment (2003). Vol. 71 (10), pp. 283-292

    Abstract
    Fluid-structure interaction cases with severe topological change due to fragmentation or rupture in the structure have prompted the development of flow solvers using a so-called [...]

  • E. Mestreau, J. Baum, R. Lohner, C. Charman
    WIT Transtactions on The Built Environment (2003). Vol. 71 (12), pp. 229-239

    Abstract
    A simple embedded method for an unstructured grid is presented. An enhancement of the boundary treatments using ghost points is then described. Several examples are used to [...]

  • R. Lohner, J. Baum, E. Mestreau, D. Sharov, C. Charman, D. Pelessone
    International Journal for Numerical Methods in Engineering (2004). Vol. 60 (3), pp. 641-660

    Abstract
    A simple embedded domain method for node-based unstructured grid solvers is presented. The key modification of the original, edge-based solver is to remove all geometry-parameters [...]

  • H. Luo, J. Baum, R. Lohner
    International journal of Computational Fluid Dynamics (2003). Vol. 17 (1), pp. 87-93

    Abstract
    This paper presents a numerical method for solving compressible turbulent flows using a k - l turbulence model on unstructured meshes. The flow equations and turbulence equations [...]

  • O. Soto, R. Lohner, F. Camelli
    Int. J. Numer. Meth. Heat and Fluid Flows (2003). Vol. 13 (1), pp. 133-147

    Abstract
    A parallel linelet preconditioner has been implemented to accelerate finite element (FE) solvers for incompressible flows when highly anisotropic meshes are used. The convergence [...]

  • R. Lohner, J. Cebral, O. Soto, P. Yim, J. Burgess
    Int. J. Numer. Meth. Fluids (2003). Vol. 43 (6-7), pp. 637-650

    Abstract
    Recent advances in medical image segmentation, grid generation, flow solvers, realistic boundary conditions, fluid–structure interaction, data reduction and visualization [...]

  • J. Cebral, M. Castro, O. Soto, R. Lohner, N. Alperin
    Journal of Engineering Mathematics (2003). Vol. 47, pp. 369-386

    Abstract
    Detailed knowledge of the cerebral hemodynamics is important for a variety of clinical applications. Cerebral perfusion depends not only on the status of the diseased vessels [...]

  • D. Pelessone, J. Baum, R. Lohner, C. Charman, J. Baylot
    (2003). Proceedings Second MIT Conference on Compurational Fluid and Solid Mechanics June 17–20, pp. 2093-2096

    Abstract
    The Discrete Particle Method (DPM) is a numerical technique in the class of the discrete element methods for the modeling of cementitious material in the pre- and post-failure [...]

  • C. Charman, D. Pelessone, R. Lohner, J. Baum
    (2003). Proceedings Second MIT Conference on Compurational Fluid and Solid Mechanics June 17–20, pp. 1282-1284

    Abstract
    This chapter describes a unique coupling between a discrete particle model and an embedded mesh flow solver, with the focus on solving blast loadings on reinforced concrete [...]

  • F. Camelli, S. Hanna, R. Lohner
    Computer Science (2004). Vol. 13 (12), pp. 1-14

    Abstract
    The Setting Test (MUST) experiment, that was carried out at Dugway Proving Ground, was analyzed using Very Large Eddy Simulation (VLES). The CFD approaches used to simulate [...]

  • H. Luo, J. Baum, R. Lohner
    Journal of Computational Physics (2004). Vol. 194 (1), pp. 304-328

    Abstract
    Computation of compressible multi-fluid flows with a general equation of state using interface tracking and moving grid approach is discussed in this paper. The AUSM+, [...]

  • R. Lohner
    Journal of Computational Physics (2004). Vol. 195 (1), pp. 143-152

    Abstract
    A multistep advective predictor has been developed within the context of projection schemes for incompressible flows. The key idea is to integrate with schemes of different [...]

  • R. Lohner
    Commun. Numer. Meth. Engng (2004). Vol. 21 (4), pp. 201-207

    Abstract
    A simple projective predictor of pressure increments has been developed. The procedure requires the storage of previous pressure increments and right-hand sides, i.e. a modest [...]

  • R. Lohner, J. Cebral, C. Yang, J. Baum, E. Mestreau, C. Charman, D. Pelessone
    Computing in Science & Engineering (2004). Vol. 6 (3), pp. 27-37

    Abstract
    Combining computational-science disciplines, such as in fluid-structure interaction simulations, introduces a number of problems. The authors offer a convenient and cost-effective [...]

  • O. Soto, R. Lohner, J. Cebral, F. Camelli
    Comput. Methods Appl. Mech. Engrg., (2004). Vol. 193 (23-26), pp. 2139-2154

    Abstract
    An edge-based implementation of an implicit, monolithic, finite element (FE) scheme for the solution of the incompressible Navier–Stokes (NS) equations is presented. [...]

  • R. Lohner, F. Camelli
    Commun. Numer. Meth. Engng (2004). Vol. 20 (8), pp. 639-646

    Abstract
    A simple dynamic deactivation procedure for advection‐dominated contaminant transport is presented. The key idea is to avoid any work in regions where the solution cannot [...]

  • O. Soto, R. Lohner, C. Yang
    Int. J. Numer. Meth. Heat and Fluid Flows (2004). Vol. 14 (6), pp. 734-759

    Abstract
    A complete CFD design methodology is presented. The main components of this methodology are a general edge-based compressible/incompressible flow solver; a continuous adjoint [...]

  • F. Camelli, R. Lohner
    Engineering Computations (2004). Vol. 21 (7), pp. 748-760

    Abstract
    The combined use of damage criteria, genetic algorithms and advanced CFD solvers provides an effective strategy to identify locations of releases that produce maximum damage. [...]

  • C. Yang, R. Lohner, F. Noblesse
    International Journal of Offshore and Polar Engineering (2004). Vol. 14 (4), pp. 1-8

    Abstract
    The classical Green function and a related simpler Green function associated with the linearized free-surface boundary condition for 3D diffraction-radiation by a ship advancing [...]

  • H. Luo, J. Baum, R. Lohner
    (2005). Shock Waves. Springer, Berlin, Heidelberg

    Abstract
    Multi-material flows, where a moving interface exists between two immiscible fluids, can be found in a variety of engineering problems. Development of numerically accurate [...]

  • J. Baum, E. Mestreau, H. Luo, R. Lohner, D. Pelessone, C. Charman
    (2005). Shock Waves. Springer, Berlin, Heidelberg

    Abstract
    A new algorithm for modeling the response of structures to severe airblast and fragment loading, including the modeling of large plastic deformations, structural failure and [...]

  • J. Baum, E. Mestreau, R. Lohner, D. Pelessone, M. Giltrud, J. Gran
    WIT Transactions on The Built Environment (2005). Vol. 84, pp. 361-371

    Abstract
    This paper describes applications of a coupled Computational Fluid Dynamics (CFD) and Computational Structural Dynamics (CSD) methodology to the simulation of blast waves [...]

  • H. Luo, J. Baum, R. Lohner
    Journal of Aircraft (2005). Vol. 42 (2), pp. 483-462

    Abstract
    An unstructured grid method is presented to compute three-dimensional compressible turbulent flows for complex geometries. The Navier-Stokes equations along with the one equation [...]

  • R. Lohner, F. Camelli
    Engineering Computations (2005). Vol. 22 (3), pp. 260-273

    Abstract
    Purpose - Develop a method for the optimal placement of sensors in order to detect the largest number of contaminant release scenarios with the minimum amount of sensors. [...]

  • J. Cebral, R. Lohner
    IEEE Transactions on Intelligent Transportation Systems (2005). Vol. 24 (4), pp. 468-476

    Abstract
    The simulation of blood flow past endovascular devices such as coils and stents is a challenging problem due to the complex geometry of the devices. Traditional unstructured [...]

  • H. Luo, J. Baum, R. Lohner
    AIAA Journal (2005). Vol. 43 (6), pp. 1160-1166

    Abstract
    The Harten, Lax, and van Leer with contact restoration (HLLC) scheme has been modified and extended in conjunction with time-derivative preconditioning to compute How problems [...]

  • C. Yang, R. Lohner, F. Noblesse
    International Journal of Offshore and Polar Engineering (2005). Vol. 15 (4), pp. 241-248

    Abstract
    Within the potential-flow framework, a flow in a domain is determined in terms of the flow at the boundary surface of the flow domain by means of a classical boundary-integral [...]

  • F. Perazzo, R. Lohner, N. Ipinza
    Mecánica Computacional (2006). Vol. XXV (11), pp. 1039-1050

    Abstract
    En este trabajo se presentan un estimador del error a posteriori y un proceso de refinamiento adaptivo para el método sin malla de puntos finitos (MPF). El indicador [...]

  • R. Lohner, J. Baum
    (2005). Flux-Corrected Transport. Scientific Computation. Springer, Berlin, Heidelberg

    Abstract
    A somewhat historical perspective of the use of FCT for fluid dynamics is given. The particular emphasis is on large-scale blast problems. A comparison with other high-resolution [...]

  • H. Luo, J. Baum, R. Lohner
    Journal of Computational Physics (2006). Vol. 211 (2), pp. 767-783

    Abstract
        A p-multigrid (p = polynomial degree) discontinuous Galerkin method is presented for the solution of the compressible Euler [...]

  • R. DeVore, R. Lohner, J. Ambrosiano
    (1991). Advances in the Free-Lagrange Method Including Contributions on Adaptive Gridding and the Smooth Particle Hydrodynamics Method. Lecture Notes in Physics, vol 395. Springer, Berlin, Heidelberg

    Abstract
    We describe a pair of finite-element codes which use unstructured meshes to solve the time-dependent Maxwell equations, with particular emphasis on their application to electromagnetic [...]

  • J. Ambrosiano, S. Brandon, R. Lohner
    (1991). Advances in the Free-Lagrange Method Including Contributions on Adaptive Gridding and the Smooth Particle Hydrodynamics Method. Lecture Notes in Physics, vol 395. Springer, Berlin, Heidelberg

    Abstract
    The most widely used computational model of collisionless plasmas is the Lagrangian-Eulerian hybrid technique known as particle-in-cell or PIC. In the electromagnetic version, [...]

  • R. Lohner
    (1989). 11th International Conference on Numerical Methods in Fluid Dynamics. Lecture Notes in Physics, vol 323. Springer, Berlin, Heidelberg

    Abstract
    The accurate simulation of time-dependent compressible flows with moving bodies has been an outstanding goal for a long time. Several major capabilities are required to simulate [...]

  • C. Yang, R. Lohner, H. Lu
    Journal of Hydrodynamics (2006). Vol. 18 (1), pp. 405-412

    Abstract
    A Volume of Fluid (VOF) technique has been further developed and coupled with an incompressible Euler/Navier Stokes solver operating on adaptive, unstructured grids to simulate [...]

  • R. Lohner, C. Yang, J. Cebral, F. Camelli, O. Soto, J. Waltz
    Comput. Methods Appl. Mech. Engrg., (2006). 195 (23-24), pp. 3087-3109

    Abstract
    Superseding so-called first-generation incompressible flow solvers of the projection type (based on Taylor–Galerkin advection, second-order pressure damping and element-based [...]

  • R. Lohner, G. Patnaik
    (1986). Tenth International Conference on Numerical Methods in Fluid Dynamics. Lecture Notes in Physics, vol 264. Springer, Berlin, Heidelberg

    Abstract
    A new technique for numerical solution of fluid equations has been developed by combining the Finite-Element Methods with the method of Flux-Corrected Transport. The resulting [...]

  • H. Luo, J. Baum, R. Lohner
    Journal of Computational Physics (2006). Vol. 214 (2), pp. 618-632

    Abstract
    A hybrid Cartesian grid and gridless method is presented to compute unsteady compressible flows for complex geometries. In this method, a Cartesian grid is used [...]

  • H. Luo, J. Baum, R. Lohner
    Int. J. Numer. Meth. Fluids (2006). Vol. 59 (4), pp. 459-474

    Abstract
    A hybrid building‐block Cartesian grid and gridless method is presented to compute unsteady compressible flows for complex geometries. In this method, a Cartesian mesh based [...]

  • O. Quintana-Ruiz, E. Campello
    Osvaldo D. Quintana-Ruiz's personal collection (2020). 1

    Abstract
    This work presents a computational model for the simulation of problems involving thermo-mechanically active particles forming discrete particle systems. Our approach is based [...]

  • C. Yang, R. Lohner, H. Lu
    Journal of Hydrodynamics (2006). Vol. 18 (3), pp. 415-422

    Abstract
    A Volume of Fluid (VOF) technique has been further developed and coupled with an incompressible Euler/Navier Stokes solver operating on adaptive, unstructured grids to simulate [...]

  • J. Cebral, R. Lohner, S. Appanaboyina, C. Putman
    (2007). Biomechanical systems technology, pp. 29-85

    Abstract
    Knowledge of the hemodynamic conditions in intracranial aneurysms before and after endovascular treatment is important to better understand the mechanisms responsible for [...]

  • H. Luo, J. Baum, R. Lohner
    Journal of Computational Physics (2007). Vol. 225 (1), pp. 686-713

    Abstract
    A weighted essentially non-oscillatory reconstruction scheme based on Hermite polynomials is developed and applied as a limiter for the discontinuous Galerkin finite [...]

  • S. Appanaboyina, F. Mut, R. Lohner, C. Putman, J. Cebral
    (2007). Proceedings Volume 6511, Medical Imaging 2007: Physiology, Function, and Structure from Medical

    Abstract
    Simulating blood flow around stents in intracranial aneurysms is important for designing better stents and to personalize and optimize endovascular stenting procedures in [...]

  • H. Luo, J. Baum, R. Lohner
    (2007). Sixteenth International Conference on Numerical Methods in Fluid Dynamics. Lecture Notes in Physics, vol 515, pp. 73-78, Springer, Berlin, Heidelberg

    Abstract
    A fast, matrix-free implicit method has been developed to solve the three dimensional compressible flow problems on unstructured meshes. An approximate system of linear equations [...]

  • N. Ahmad, Z. Boybeyi, R. Lohner, A. Sarma
    Pure and Applied Geophysics (2007). Vol. 164 (1), pp. 217-244

    Abstract
    In recent years there has been a growing interest in using Godunov-type methods for atmospheric flow problems. Godunov's unique approach to numerical modeling of fluid [...]

  • R. Lohner, J. Cebral, C. Yang, J. Baum, E. Mestreau, O. Soto
    (2006). Bungartz HJ., Schäfer M. (eds) Fluid-Structure Interaction. Lecture Notes in Computational Science and Engineering, vol 53. Springer, Berlin, Heidelberg

    Abstract
    Several algorithms for fluid-structure interaction are described. All of them are useful for the loose coupling of fluid and structural dynamics codes. The first class of [...]

  • R. Aubry, R. Lohner
    International Journal for Numerical Methods in Engineering (2007). Vol. 77 (9), pp. 1247-1289

    Abstract
    An extension of Löhner (AIAA‐93‐3348‐CP , 1993) for the generation of high aspect ratio volume grids on surfaces with ridges and corners is presented for Reynolds‐averaged [...]

  • R. Lohner, J. Cebral, F. Camelli, S. Appanaboyina, J. Baum, E. Mestreau, O. Soto
    Computer Methods in Applied Mechanics and Engineering (2008). Vol. 197 (25-28), pp. 2173-2197

    Abstract
    Embedded mesh, immersed body or fictitious domain techniques have been used for many years as a way to discretize geometrically complex domains with structured grids. The [...]

  • J. Liu, R. Ramamurti, K. Kailsanath, R. Lohner
    (2007). American Physical Society, 60th Annual Meeting of the Divison of Fluid Dynamics, November 18-20.

    Abstract
    This project involves the study of sound generated by supersonic jets like those emanating from the exhausts of high-performance military aircraft. This is a joint experimental/computational [...]

  • R. Aubry, R. Lohner
    Communications in numerical methods in engineering (2008). Vol. 24 (12), pp. 1641-1652

    Abstract
    Given a set of normals in ℛ3, two algorithms are presented to compute the ‘most normal’ normal. The ‘most normal’ normal is the normal that minimizes [...]

  • R. Lohner, J. Cebral, S. Appanaboyina
    Communications in numerical methods in engineering (2008). Vol. 24 (12), pp. 1611-1615

    Abstract
    A parabolic recovery procedure suited for shear stress and heat flux recovery on surfaces from linear element data is proposed. The information required consists of the usual [...]

  • R. Lohner
    International Journal for Numerical Methods in Biomedical Engineering (2008). Vol. 26 (5), pp. 628-636

    Abstract
    A renumbering strategy for field solvers based on unstructured grids that avoids memory contention and minimizes cache‐misses is described. Compared with usual colouring [...]

  • R. Tilch, A. Tabbal, M. Zhu, F. Decker, R. Lohner
    Engineering Computations (2008). Vol. 25 (1), pp. 28-41

    Abstract
    Body-fitted and embedded mesh techniques are combined to obtain accurate external aerodynamic solutions for realistic car geometries with minimal user intervention. The key [...]

  • H. Luo, J. Baum, R. Lohner
    International Journal for Numerical Methods in Engineering (2008). Vol. 73 (5), pp. 597-623

    Abstract
    Computation of compressible steady‐state flows using a high‐order discontinuous Galerkin finite element method is presented in this paper. An accurate representation of [...]

  • F. Perazzo, R. Lohner, L. Perez-Pozo
    Advances in Engineering Software (2008). Vol. 39 (3), pp. 156-166

    Abstract
    In this work, a posteriori error estimator and an adaptive refinement process for the meshless finite point method (FPM), which is based on point collocation, are presented. [...]

  • H. Luo, J. Baum, R. Lohner
    AIAA Journal (2008). Vol. 46 (3), pp. 635-652

    Abstract
    A p-multigrid (p=polynomial degree) discontinuous Galerkin method is presented for the solution of the compressible Euler equations on unstructured grids. The method operates [...]

  • F. Castelltort, E. Bladé, J. Balasch, M. Ribe
    Quaternary international (2020). Vol. 583, pp. 29-43

    Abstract
    The Ter River drains the south-eastern Pyrenees and flows into the Mediterranean Sea. A lithological constriction affects the normal water flow in the La Plana de Vic area. [...]

  • H. Roux, A. Amengual, R. Romero, E. Bladé, M. Sanz-Ramos
    Natural hazards and earth system sciences (2020). Vol. 20 (2), pp. 425-450

    Abstract
    This study aims at evaluating the performances of flash flood forecasts issued from deterministic and ensemble meteorological prognostic systems. The hydro-meteorological [...]

  • M. Sanz-Ramos, E. Bladé, A. Torralba, P. Oller
    Ingeniería del agua (2020). Vol. 24 (1), pp. 65-79

    Abstract
    La creciente preocupación por los riesgos naturales, como las avalanchas de nieve, ha propiciado el desarrollo de modelos numéricos ad hoc como una herramienta [...]

  • M. Sánchez-Juny, A. Triadú, A. Andreu, E. Bladé
    ACS Omega (2019). Vol. 4 (25), pp. 20987-20999

    Abstract
    Wastewater from a potash mine in the central region of Catalonia is transported by means of a collector that runs more than 100 km, spilling into the sea on the Catalan central [...]

  • V. Ruiz-Villanueva, E. Bladé, D. Ravazzolo, E. Wohl
    Earth surface processes and landforms (2019). Vol. 44 (9), pp. 1694-1709

    Abstract
    Inorganic sediment is not the only solid-fraction component of river flows; flows may also carry significant amounts of large organic material (i.e., large wood), but the [...]

  • M. Sanz-Ramos, E. Bladé, A. Palau, D. Vericat, A. Ramos-Fuentes
    Revista Iberoaméricana del Agua (2019). Vol. 6 (2), pp. 158-167

    Abstract
    La caracterización y cuantificación del Hábitat Potencial Útil (HPU) para peces fluviales a partir de modelos de simulación hidráulica [...]

  • V. Ruiz-Villanueva, L. Burki, N. Galatioto, E. Bladé, C. Gamberini, W. Bertoldi, M. Stoffel
    Ingenieurbiologie (2019). Vol. 19 (1), pp. 14-20

    Abstract
    During the past three years the WoodFlow project (2015-2019), funded by the Federal Office for the Environment) aimed to develop the knowledge and methods to analyse instream [...]

  • M. Sanz-Ramos, E. Bladé, D. Niñerola, A. Palau-Ibars
    Ingeniería del agua (2018). Vol. 22 (3), pp. 109-124

    Abstract
    La problemática asociada al crecimiento masivo de macrófitos en el Bajo Ebro ha llevado a autoridades y gestores a examinar la posibilidad de paliar los efectos [...]

  • E. Sánchez-Cordero, J. Boix, M. Gómez, E. Bladé
    Ingeniería del agua (2018). Vol. 22 (3), pp. 167-176

    Abstract
    El presente trabajo muestra un análisis numérico 3D del comportamiento del flujo de agua en una rotura de presa a escala de laboratorio. La simulación [...]

  • J. Aragón, E. Bladé
    Tecnología y ciencias del agua (2017). Vol. VIII (3), pp. 127-142 (Preprint)

    Abstract
    En este trabajo se presenta un modelo numérico para la simulación de flujo mixto (flujo en lámina libre y flujo en presión) en conductos cerrados [...]

  • R. Lohner, H. Luo, J. Baum, D. Rice
    Int. J. Numer. Meth. Fluids (2008). Vol. 56 (12), pp. 2229-2244

    Abstract
    Several explicit high‐resolution schemes for transient compressible flows with moving shocks are combined in such a way so as to achieve the highest possible speed without [...]

  • R. Lohner, S. Appanaboyina, J. Cebral
    Int. J. Numer. Meth. Fluids (2007). Vol. 57 (1), pp. 13-30

    Abstract
    The solutions obtained for low Reynolds‐number incompressible flows using the same flow solver and solution technique on body‐fitted, embedded surface and immersed body [...]

  • S. Appanaboyina, F. Mut, R. Lohner, C. Putman, J. Cebral
    Int. J. Numer. Meth. Fluids (2008). Vol. 57 (5), pp. 475-493

    Abstract
    Recently, there has been increased interest in the use of stents as flow diverters in the endovascular treatment of cerebral aneurysms as an alternative to surgical clipping [...]

  • H. Luo, J. Baum, R. Lohner
    Journal of Computational Physics (2008). Vol. 227 (20), pp. 8875-8893

    Abstract
    A discontinuous Galerkin method based on a Taylor basis is presented for the solution of the compressible Euler equations on arbitrary grids. Unlike [...]

  • R. Aubry, F. Mut, R. Lohner, J. Cebral
    Journal of Computational Physics (2008). Vol. 227 (24), pp. 10196-10208

    Abstract
    A deflated preconditioned conjugate gradient technique has been developed for the solution of the Pressure–Poisson equation within an incompressible flow solver. [...]

  • H. Luo, J. Baum, R. Lohner
    (2009). Shock Waves. Springer, Berlin, Heidelberg

    Abstract
    The discontinuous Galerkin methods [1] (DGM) have recently become popular for the solution of systems of conservation laws to arbitrary order of accuracy. The DGM combine [...]

  • H. Luo, J. Baum, R. Lohner
    (2009). Computational Fluid Dynamics 2006. Springer, Berlin, Heidelberg

    Abstract
    The numerical methods for the solution of the compressible Euler and Navier-Stokes equations can be classified by the mesh they use as structured grid methods, unstructured [...]

  • A. Loseille, R. Lohner
    (2009). Proceedings of the 18th International Meshing Roundtable. Springer, Berlin, Heidelberg

    Abstract
    A simple strategy for generating anisotropic meshes is introduced. The approach belongs to the class of metric-based mesh adaptation procedures where a field of metric tensors [...]

  • H. Luo, J. Baum, R. Lohner
    (2006). Computational Fluid Dynamics 2006. Springer, Berlin, Heidelberg

    Abstract
    Most efforts in the development of the discontinuous Galerkin methods (DGM) in computational fluid dynamics are primarily focused on the time accurate compressible Euler and [...]

  • J. Cebral, F. Mut, S. Appanaboyina, R. Lohner, C. Miranda, E. Escrivano, P. Lylyk, C. Putman
    (2009). Proceedings Volume 7262, Medical Imaging 2009: Biomedical Applications in Molecular, Structural, and Functional Imaging;

    Abstract
    Currently there is increased interest in the use of stents as flow diverters for the treatment of intracranial aneurysms, especially wide necked aneurysms that are difficult [...]

  • R. Lohner, J. Baum
    (2009). 100 Volumes of ‘Notes on Numerical Fluid Mechanics’. Notes on Numerical Fluid Mechanics and Multidisciplinary Design, vol 100. Springer, Berlin, Heidelberg

    Abstract
    A brief overview of the state of the art of computing blast loads on civil engineering structures is given. The general problem setting, requirements, main physical phenomena [...]

  • F. Togashi, R. Lohner, N. Tsuboi
    Shock Waves (2009). Vol. 19 (2), pp. 151-162

    Abstract
    To explore the capability of unstructured mesh to simulate detonation wave propagation phenomena, numerical simulation of H2/air detonation using unstructured mesh was conducted. [...]

  • A. Stück, F. Camelli, R. Lohner
    Int. J. Numer. Meth. Fluids (2009). Vol. 64 (4), pp. 443-472

    Abstract
    Unsteady Euler and adjoint Euler solvers have been combined in order to aid in the design of shock mitigation devices. The flowfield is integrated forward in time and stored. [...]

  • J. Liu, K. Kailasanath, R. Ramamurti, R. Lohner, D. Munday, E. Gutmark
    AIAA Journal (2009). Vol. 47 (8), pp. 1849-1864

    Abstract
    Large-eddy simulations of imperfectly expanded jet flows from a convergent-divergent nozzle with a sharp contraction at the nozzle throat have been carried out. The flowfield [...]

  • S. Appanaboyina, F. Mut, R. Lohner, C. Putman, J. Cebral
    Comput. Methods Appl. Mech. Engrg., (2009). Vol. 198 (45-46), pp. 3567-3582

    Abstract
    Recently, there has been considerable interest in the use of stents as endovascular flow diverters for the treatment of intracranial aneurysms. Simulating this novel method [...]