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Direct Numerical Simulation of a Spatially Developing Mixing Layer With Temperature Gradient

Direct Numerical Simulation of a Spatially Developing Mixing Layer With Temperature Gradient

Direct numerical simulation (DNS) of turbulent mixing layers has been possible only in relatively recent times. In an ambitious project using HPC system JUQUEEN of JSC, scientists analysed the process of mixing layer formation in a flow configuration with sizeable compressibility effects by numerically reproducing the flow conditions of a well documented flow case with two turbulent streams. Large-scale direct numerical simulation were performed in a wide computational domain which included the two upstream turbulent boundary layers developing on the two sides of a zero-thickness splitter plate and their early merging region. The complexity of the flow, the extent of the computational box and the mesh size made the study extremely challenging in terms of CPU hours and memory requirements.

Principal Investigator: Francesco Grasso, Institut Aérotechnique, Conservatoire National des Arts et Métiers, Saint-Cyr-l'Ecole (France)
HPC Platform: JUQUEEN of JSC - Date published: July 2015

More: Direct Numerical Simulation of a Spatially Developing Mixing Layer With Temperature Gradient …

XXL-Project on Hornet of HLRS: The Multicore Challenge: Petascale DNS of a Spatially-Developing Supersonic Turbulent Boundary Layer up to High Reynolds Numbers using DGSEM

The Multicore Challenge: Petascale DNS of a Spatially-Developing Supersonic Turbulent Boundary Layer up to High Reynolds Numbers using DGSEM

Scientists of the Institute of Aerodynamics and Gas Dynamics of the University of Stuttgart conducted a Direct Numerical Simulation of a spatially-developing supersonic turbulent boundary layer up to ReΘ=3878. For this purpose, they used the discontinuous Galerkin spectral element method (DGSEM), a very efficient DG formulation that is specifically tailored to HPC applications. It allowed the researchers to efficiently exploit the entire computational power available on the HLRS Cray XC40 supercomputer Hornet and to run the simulation with 93,840 processors without any performance losses.

Principal Investigator: Claus-Dieter Munz, Institute of Aerodynamics and Gas Dynamics, University of Stuttgart
HPC Platform: Hornet of HLRS - Date published: June 2015

More: The Multicore Challenge: Petascale DNS of a Spatially-Developing Supersonic Turbulent Boundary Layer up to High Reynolds Numbers using DGSEM …

XXL-Project on Hornet of HLRS: Ion Transport by Convection and Diffusion

Large-Eddy Simulation of a Helicopter Engine Jet

A research team of the Institute of Aerodynamics (AIA) of the RWTH Aachen University leveraged the petascale computing power of the HPC system Hornet for large-scale simulation runs which used the entirety of the system’s available 94,646 compute cores. The project “Large-Eddy Simulation of a Helicopter Engine Jet” aimed at analysing the impact of internal perturbations due to geometric variations on the flow field and the acoustic field of a helicopter engine jet. For this purpose, the researchers conducted highly resolved large-eddy simulations based on hierarchically refined Cartesian meshes up to 1 billion cells over a time span of 300 hours.

Principal Investigator: Wolfgang Schröder, Institute of Aerodynamics, RWTH Aachen University (Germany)
HPC Platform: Hornet of HLRS - Date published: June 2015

More: Large-Eddy Simulation of a Helicopter Engine Jet …

XXL-Project on Hornet of HLRS: Ion Transport by Convection and Diffusion

Prediction of the Turbulent Flow Field Around a Ducted Axial Fan

Exploiting the available computing capacities of supercomputer Hornet of the High Performance Computing Center Stuttgart, researchers from the Institute of Aerodynamics (AIA) of the RWTH Aachen University conducted a large-scale simulation run in their efforts to tackle the prediction of the acoustic field of a low pressure axial fan using computational aeroacoustics (CAA) methods. Goal of this project, which scaled to 92,000 compute cores of the HPC system Hornet, was to achieve a better understanding of the development of vortical flow structures and the turbulence intensity in the tip-gap of a ducted axial fan.

Principal Investigator: Wolfgang Schröder, Institute of Aerodynamics, RWTH Aachen University (Germany)
HPC Platform: Hornet of HLRS - Date published: June 2015

More: Prediction of the Turbulent Flow Field Around a Ducted Axial Fan …

XXL-Project on Hornet of HLRS: Ion Transport by Convection and Diffusion

Ion Transport by Convection and Diffusion

A research team of the Institute of Simulation Techniques and Scientific Computing of the University of Siegen leveraged the petascale computing power of HPC system Hornet for their research project Ion Transport by Convection and Diffusion. This large-scale simulation project stressed the available capacities of the HLRS supercomputer to its full extent as the simulation involved the simultaneous consideration of multiple effects like flow through a complex geometry, mass transport due to diffusion and electrodynamic forces. Goal of this project was to achieve a better understanding of the electrodialysis desalination process in order to identify methods and possibilities of how to optimize it.

Principal Investigator: Sabine Roller, University of Siegen, Institute of Simulation Techniques and Scientific Computing
HPC Platform: Hornet of HLRS - Date published: May 2015

More: Ion Transport by Convection and Diffusion …

Direct Numerical Simulation of the Gravitational Settling of Finite Size Particles in Homogeneous Flow

Direct Numerical Simulation of the Gravitational Settling of Finite Size Particles in Homogeneous Flow

A research project addressed the fundamental mechanisms and processes involved in the dynamics of a large number of rigid particles settling under the influence of gravity in an initially quiescent fluid, as well the characteristics of the particle-induced flow field.

Principal Investigator: Markus Uhlmann, Institute for Hydromechanics, Karlsruhe Institute of Technology/KIT (Germany)
HPC Platform: SuperMUC of LRZ - Date published: April 2015

More: Direct Numerical Simulation of the Gravitational Settling of Finite Size Particles in Homogeneous Flow …

Numerical Simulation of Engine-Inlet Stall at Low Speed Range With Reynolds-Stress Turbulence Models

Numerical Simulation of Engine-Inlet Stall at Low Speed Range With Reynolds-Stress Turbulence Models

One of the major limiting factors of the flight operational range of transport aircraft is the inlet separation of engine. The overall aim of this project is to provide an efficient numerical method able to compute the large range of spectral scales present in flows during the separation process.

Principal Investigator: Daniela Gisele François, Institut für Strömungsmechanik, TU Braunschweig (Germany)
HPC Platform: Hermit of HLRS - Date published: April 2015

More: Numerical Simulation of Engine-Inlet Stall at Low Speed Range With Reynolds-Stress Turbulence Models …

Aerodynamic Investigations of Vortex Dominated and Morphing Aircraft Configurations with Active and Passive Flow Control

Aerodynamic Investigations of Vortex Dominated and Morphing Aircraft Configurations with Active and Passive Flow Control

For delta and diamond wing configurations, the flow field is typically dominated by large scale vortex structures, which originate from the wing leading-edges. With increasing angle of attack, the flow structures grow in size and become more and more unsteady. By use of active and passive flow control mechanisms, the vortex characteristics can be manipulated and controlled in some extent.

Principal Investigator: Christian Breitsamter, AER/TU München (Germany)
HPC Platform: SuperMUC of LRZ - Date published: March 2015

More: Aerodynamic Investigations of Vortex Dominated and Morphing Aircraft Configurations with Active and Passive Flow Control …

Dynamics of Multi-component Fluid  Dynamics in Porous Structures

Dynamics of Multi-Component Fluid Dynamics in Porous Structures

Scientists of the University of Rome (“Tor Vergata”) and the University of Eindhoven aimed to perform a systematic investigation of multi-component and/or multi-phase flow dynamics in porous matrices adopting a bottom-up, multi-scale approach based on a Lattice Boltzmann Method (LBM).

Principal Investigator: Mauro Sbragaglia, University of Roma (Italy)
HPC Platform: Hermit of HLRS - Date published: March 2015

More: Dynamics of Multi-Component Fluid Dynamics in Porous Structures …

DNS/LES Studies of Turbulent Flows Based on the Cumulant Lattice Boltzmann Approach

DNS / LES Studies of Turbulent Flows Based on the Cumulant Lattice Boltzmann Approach

Scientists of the Technische Universität Braunschweig conduct Direct Navier-Stokes (DNS) and Large Eddy Simulation (LES) computations of turbulent flows which explicitly take into account specific pore scale geometries obtained from computer tomography imaging and do not use any explicit turbulence modeling.

Principal Investigator: Manfred Krafczyk, IRMB/TU Braunschweig (Germany)
HPC Platform: Hermit of HLRS - Date published: March 2015

More: DNS / LES Studies of Turbulent Flows Based on the Cumulant Lattice Boltzmann Approach …

Aerodynamics and Aeroacoustics of Complex Geometry Hot Jets

Aerodynamics and Aeroacoustics of Complex Geometry Hot Jets

With the projected demand for air transport set to double the world aircraft fleet by 2020 it is becoming urgent to take steps to reduce the environmental impact of take-off noise from aircraft. Scientists from the UK performed highly intensive Large Eddy Simulations (LES) of complex geometry jets with the major emphasis to use the LES CFD approach (Computational Fluid Dynamics) to enable improved prediction and to generate the necessary complex unsteady flow fields needed for acoustic modelling.

Principal Investigator: Richard Jefferson-Loveday, The University of Nottingham (U.K.)
HPC Platform: Hermit of HLRS - Date published: March 2015

More: Aerodynamics and Aeroacoustics of Complex Geometry Hot Jets …

Cavitation Phenomena in Diesel Injection Systems

Cavitation Phenomena in Diesel Injection Systems

Modern Diesel injection systems exceed injection pressures of 2000 bar in order to meet current and future emission regulations. By accelerating the flow through an injection nozzle or throttle valve pressure in the liquid can drop below vapor pressure, initiating local evaporation (hydrodynamic cavitation). The advection of vapor cavities into regions where the static pressure of the surrounding liquid exceeds vapor pressure leads to a sudden re-condensation or collapse of vapor cavities. The surrounding liquid is accelerated towards the center of the cavities and strong shock waves are emitted. The resulting pressure loads can lead to material erosion. For optimization of future fuel injectors the ability to predict cavitation and cavitation erosion during early stages of the design is desirable.

Principal Investigator: Christian Egerer, AER/TU München (Germany)
HPC-Platform: SuperMUC (LRZ), Hornet/Hermit (HLRS) - Date published: Feb. 2015

More: Cavitation Phenomena in Diesel Injection Systems …

High-amplitude Fluctuations of Velocity and Temperature Gradients in Turbulent Convection

High-Amplitude Fluctuations of Velocity and Temperature Gradients in Turbulent Convection

An international team of scientists conducted high-precision spectral element simulations which resolved the fine-scale structure of turbulent Rayleigh-Bénard convection, in particular the statistical fluctuations of the temperature and velocity gradients.

Principal Investigator: Jörg Schumacher, TU Ilmenau (Germany)
HPC Platform: JUQUEEN of JSC - Date published: February 2015

More: High-Amplitude Fluctuations of Velocity and Temperature Gradients in Turbulent Convection …

Multiscale Modelling of Particles in Suspension

Multiscale Modelling of Particles in Suspension

A team of scientists from Germany, UK, US and Spain have developed a multiscale particle methods framework based on Smoothed Particle Hydrodynamics (SPH) and the stochastic Smoothed Dissipative Particle Dynamics (SDPD) to simulate the complex dynamics of submicron-sized colloidal and large non-colloidal particles suspended in Newtonian and non-Newtonian fluids.

Principal Investigator: Marc Ellero, Technische Universität München (Germany)
HPC Platform: SuperMUC of LRZ - Date published: February 2015

More: Multiscale Modelling of Particles in Suspension …

Morphology – Transport Relationships for Packed Columns

Morphology–Transport Relationships for Packed Columns

By simulating fluid flow through computer-generated, confined sphere packings, a team of scientists from the Department of Chemistry at the Philipps-Universität Marburg correlate morphological parameters with transport coefficients.

Principal Investigator: Ulrich Tallarek, Philipps-Universität Marburg (Germany)
HPC Platform: JUQUEEN of JSC - Date published: November 2014

More: Morphology–Transport Relationships for Packed Columns …

Numerical Investigation of Complex Multiphase Flows With Lagrangian Particle Methods

Numerical Investigation of Complex Multiphase Flows With Lagrangian Particle Methods

Scientists of the Institute of Aerodynamics and Fluid Mechanics of the Technische Universität München have developed a smoothed particle hydrodynamics (SPH) method to simulate complex multiphase flows with arbitrary interfaces and included a model for surface active agents.

Principal Investigator: Nikolaus A. Adams, TU München (Germany)
HPC Platform: SuperMUC of LRZ - Date published: October 2014

More: Numerical Investigation of Complex Multiphase Flows With Lagrangian Particle Methods …

Direct Numerical Simulations of Impeller Driven Turbulence and Dynamo Action

Direct Numerical Simulations of Impeller Driven Turbulence and Dynamo Action

The process, in which a magnetic field is amplified by the flow of an electrically conducting fluid such as liquid metal or plasma, known as dynamo action, is believed to be the origin of magnetic fields in the universe including the magnetic field of the earth. Laboratory experiments using liquid sodium try to investigate the underlying mechanisms. Direct numerical simulations of spatially and temporally resolved fields allow a detailed analysis of flow and magnetic field structures.

Principal Investigator: Rainer Grauer, Ruhr-Universität Bochum (Germany)
HPC Platform: JUQUEEN of JSC - Date published: September 2014

More: Direct Numerical Simulations of Impeller Driven Turbulence and Dynamo Action …

Numerical Simulation of Aircraft Engine Related Two-Phase Flows

Numerical Simulation of Aircraft Engine Related Two-Phase Flows

Aircraft engines are equipped with airblast atomizers to assure the liquid fuel injection. During airblast atomization a thin liquid film is passed by coflowing air streams, leading to the disintegration of the liquid sheet. The breakup process is still not well understood, especially a detailed insight into the phenomena of primary breakup is a major limitation in understanding these flow systems.

Principal Investigator: Benjamin Sauer, TU Darmstadt (Germany)
HPC Platform: SuperMUC of LRZ - Date published: September 2014

More: Numerical Simulation of Aircraft Engine Related Two-Phase Flows …

Numerical Computation of Combustion Generated Noise with Direct Numerical Simulation

Numerical Computation of Combustion Generated Noise with Direct Numerical Simulation

Scientists of a group of different institutions try to analyse in-depth the formation mechanism of noise generated from turbulent flames and to predict such noise radiations already during the development phase. HPC supercomputing resources serve as simulation platform for this project.

Principal Investigator: Feichi Zhang, Karlsruhe Institute of Technology (Germany)
HPC Platform: Hermit of HLRS - Date published: June 2014

More: Numerical Computation of Combustion Generated Noise with Direct Numerical Simulation …

Comparison of Navier-Stokes-Fourier Equation and Grad's Moment Equation Solutions for Turbulence

Comparison of Navier-Stokes-Fourier Equation and Grad's Moment Equation Solutions for Turbulence

Leveraging the computing power of GCS supercomputer JUQUEEN, scientists work on taking a first significant step towards the evaluation of extended gasdynamic models, such as e.g. the Grad 13 and the regularized Grad 13 equations, for the simulation and modeling of turbulent fluid motion.

Principal Investigator: Gregor Gassner, Universität zu Köln (Germany)
HPC Platform: JUQUEEN of JSC - Date published: May 2014

More: Comparison of Navier-Stokes-Fourier Equation and Grad's Moment Equation Solutions for Turbulence …

Prediction of Stability Limits of Combustion Chambers with LES

Prediction of Stability Limits of Combustion Chambers with Large Eddy Simulation (LES)

Using the HPC capabilities of HLRS Stuttgart, scientists of the Karlsruhe Institute of Technology applied a physical model to predict the resonance characteristics of real, damped combustion systems. The model is able to describe the resonant characteristics of a single Helmholtz resonator type combustor for different operation conditions and geometries.

Principal Investigator: Franco Magagnato, Karlsruhe Institute of Technology (Germany)
HPC Platform: Hermit of HLRS - Date published: May 2014

More: Prediction of Stability Limits of Combustion Chambers with Large Eddy Simulation (LES) …

PAdDLES : p-Adaptive Discretisations for Large Eddy Simulation in Industrial Geometry

PAdDLES: p-Adaptive Discretisations for Large Eddy Simulation in Industrial Geometry

Using the HPC capabilities of GCS, scientists assess a DGM (discontinuous Galerkin method) solver for scale-resolving simulations. The main goal of the solver is the evaluation of whether p-adaptive DGM can be used for fast and reliable LES of turbomachinery flows.

Principal Investigator: Koen Hillewaert, Cenaero (Belgium)
HPC Platform: JUQUEEN of JSC - Date published: April 2014

More: PAdDLES: p-Adaptive Discretisations for Large Eddy Simulation in Industrial Geometry …

Transitions in Turbulent Rotating Thermal Convection

Transitions in Turbulent Rotating Thermal Convection

Scientists investigate the influence of temperature-dependent fluid properties (non-Oberbeck-Boussinesq effects) and rotation through direct numerical simulations for various fluids and a wide range of rotation rates to get closer to the understanding of realistic flows in nature and in engineering.

Principal Investigator: Olga Shishkina, German Aerospace Center, Göttingen (Germany)
HPC Platform: SuperMUC of LRZ - Date published: March 2014

More: Transitions in Turbulent Rotating Thermal Convection …

Simulation of the Unsteady Flow Around the Stratospheric Observatory For Infrared Astronomy

Simulation of the Unsteady Flow Around the Stratospheric Observatory For Infrared Astronomy (SOFIA)

To further improve the pointing stability and observation quality of the IR-telescope of an airborne stratospheric observatory, researchers investigate passive flow control methods by means of computational fluid dynamics simulations on HPC system SuperMUC of the LRZ Garching.

Principal Investigator: Christian Engfer, DSI/IAG/Universität Stuttgart (Germany)
HPC Platform: SuperMUC of LRZ - Date published: February 2014

More: Simulation of the Unsteady Flow Around the Stratospheric Observatory For Infrared Astronomy (SOFIA) …

Direct Numerical Simulation of Pipe Flow at High Reynolds Numbers

Project HRPIPE, Direct Numerical Simulation of Pipe Flow at High Reynolds Numbers

Researchers from the Delft University of Technology used HLRS supercomputer Hermit to study turbulent pipe flow, which is--from an engineering point of view--one of the most important flow geometries because of its wide range of technical applications.

Principal Investigator: Bendiks Jan Boersma, Delft University of Technology (The Netherlands)
HPC Platform: Hermit of HLRS - Date published: March 2014

More: Project HRPIPE, Direct Numerical Simulation of Pipe Flow at High Reynolds Numbers …

Direct Numerical Simulation of the Boundary Layers Transition and Interaction at the Entrance of a Plane Channel

Direct Numerical Simulation of the Boundary Layers Transition and Interaction at the Entrance of a Plane Channel

Understanding the mechanisms involved in the turbulent transition in boundary layers is crucial for many engineering domains. The instabilities that develop in to those flows are highly non-linear and unsteady. Scientists used GCS supercomputers to study the turbulent transition of the boundary layers developing at the entrance of a plane channel.

Principal Investigator: Marc Buffat, Université Claude Bernard Lyon 1 (France)
HPC Platform: JUQUEEN (JSC), SuperMUC (LRZ) - Date pub.: Feb. 2014

More: Direct Numerical Simulation of the Boundary Layers Transition and Interaction at the Entrance of a Plane Channel …

Numerical Simulations of a Supersonic Jet at High Reynolds Number with Turbulent Inflow Conditions

Numerical Simulations of a Supersonic Jet at High Reynolds Number with Turbulent Inflow Conditions

In a GCS Large Scale project, numerical simulations of a supersonic jet were performed on HPC system SuperMUC of LRZ, focusing on the research of the acoustic field.

Principal Investigator: Jörn Sesterhenn, TU Berlin (Germany)
HPC Platform: SuperMUC of LRZ - Date published: Feb. 2014

More: Numerical Simulations of a Supersonic Jet at High Reynolds Number with Turbulent Inflow Conditions …

Fathoming the Processes Inside Rocket Combustion Chambers

Fathoming the Processes Inside Rocket Combustion Chambers

Researchers at the Institute of Combustion Technology for Aerospace Engineering (IVLR) at the University of Stuttgart use petascale system Hermit of HLRS for very detailed, three-dimensional simulations to realistically reproduce the essential processes in rocket combustion chambers like mixing of fuel and air, ignition and flame stabilization at supersonic conditions.

Principal Investigator: Peter Gerlinger, Universität Stuttgart (Germany)
HPC Platform: Hermit of HLRS - Date published: January 2014

More: Fathoming the Processes Inside Rocket Combustion Chambers …

Wake vortex evolution of a landing aircraft

Aircraft Wake Vortex Evolution During Approach and Landing With and Without Plate Lines

Computational fluid dynamics simulations executed on GCS system SuperMUC of LRZ Garching are used to investigate the complex vortex system detaching from the aircraft wings in high-lift configuration.

Principal Investigator: Frank Holzäpfel, German Aerospace Center (DLR), Weßling (Germany)
HPC Platform: SuperMUC of LRZ - Date published: January 2014

More: Aircraft Wake Vortex Evolution During Approach and Landing With and Without Plate Lines …

Hypersonic Boundary-Layer Transition

Hypersonic Boundary-Layer Transition

A team of scientists from the Institute of Aerodynamics and Gas Dynamics of University of Stuttgart are performing direct numerical simulations and sophisticated stability analyses with regard to the so-called hypersonic flight, i.e.with the goal to be able to accelerate an aircraft to at least about five times the speed of sound.

Principal Investigator: Markus J. Kloker, IAG, Universität Stuttgart (Germany)
HPC Platform: Hermit of HLRS - Date published: Sept. 2013

More: Hypersonic Boundary-Layer Transition …

Li-Ion Batteries in Hybrid and Pure Electric Vehicles

Li-Ion Batteries in Hybrid and Pure Electric Vehicles

Project ‘Development and Validation of Thermal Simulation Models for Li-Ion Batteries in Hybrid and Pure Electric Vehicles’ (asc(s, Battery Design, CD-adapco, Daimler AG, Opel AG and Porsche AG) concentrates on the development of a simulation environment for the electro-thermal layout of a lithium ion battery module in a vehicle. The project team pursues the development of optimized design concepts for electrified vehicles to fulfill increasing demands on energy consumption, driving range, and durability.

Principal Investigator: Jenny Kremser, ASC-S Stuttgart (Germany)
HPC Platform: Hermit of HLRS - Date published: Sept. 2013

More: Li-Ion Batteries in Hybrid and Pure Electric Vehicles …

Project FENFLOSS

Laminar-Turbulent Transition in Aerodynamics Boundary Layers

Laminar Turbulent Transition in Aerodynamics Boundary Layers: Scientists from the Institute of Aerodynamics and Gas Dynamics of University Stuttgart are doing simulations on GCS supercomputers to achieve a comprehensive understanding of three-dimensional dynamic instability processes, which is a pre-requisite for successful Laminar Flow Control (LFC).

Principal Investigator: Ewald Krämer, IAG/Universität Stuttgart (Germany)
HPC Platform: Hermit of HLRS - Date published: Sept. 2013

More: Laminar-Turbulent Transition in Aerodynamics Boundary Layers …

Direct Numerical Simulation of the Flowin an Internal ombustion Engine

Direct Numerical Simulation of the Flow in an Internal Combustion Engine

To increase the efficiency and reduce the pollutant emissions of combustion engines, researchers simulate the complex flow field in internal combustion engines which has significant influence on the formation of the fuel-air-mixture in the combustion chamber and on the combustion process itself.

Principal Investigator: Claudia Günther, AIA/RWTH Aachen (Germany)
HPC Platform: Hermit of HLRS - Date published: Sept. 2013

More: Direct Numerical Simulation of the Flow in an Internal Combustion Engine …

Isosurface of streamwise vorticity colored by streamwise velocity for the VFE-2 delta wing

Numerical Investigation of the Flow Field Around Delta Wings

Delta wings, or wings with a triangular planform, are an important reference configuration for applied high-performance aerodynamics as well as for basic fluid mechanics studies.

Principal Investigator: Stefan Hickel, LES Group, TU München (Germany)
HPC Platform: SuperMUC of LRZ - Date published: Sept. 2013

More: Numerical Investigation of the Flow Field Around Delta Wings …

Project FENFLOSS

Project FENFLOSS

Today, hydropower is the most important and widely used renewable energy source. Due to the strong increase of fluctuating renewable energies, a great amount of regulating power is necessary in the net, which is mainly available from hydropower. As a consequence, the hydraulic turbines are very often operated in extreme off-design conditions.

Principal Investigator: Albert Ruprecht, Universität Stuttgart (Germany)
HPC Platform: Hermit of HLRS - Date published: Sept. 2013

More: Project FENFLOSS …

Ablation Process of Femto Second Laser Pulses

Ablation Process of Femto Second Laser Pulses

Laser ablation is a technology which gains increasingly more importance for drilling, welding, structuring and marking of all kind of materials. Molecular dynamics simulations contribute to new insight into the not completely comprehended ablation process with the short femto second laser pulses.

Principal Investigator: Johannes Roth, Universität Stuttgart (Germany)
HPC Platform: Hermit of HLRS - Date published: Sept. 2013

More: Ablation Process of Femto Second Laser Pulses …

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