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Find out about the latest applications running on the GCS supercomputers.

SILCC: Simulating the Life Cycle of Molecular Clouds

Simulating the Life Cycle of Molecular Clouds

A European team of scientists from Cologne, Garching, Heidelberg, Prague and Zurich used GCS HPC resources to model representative regions of disk galaxies using adaptive, three-dimensional simulations at unprecedented resolution and with the necessary physical complexity to follow the full life-cycle of molecular clouds. They aim to provide a self-consistent answer as to how stellar feedback regulates the star formation efficiency of a galaxy, how molecular clouds are formed and destroyed, and how galactic outflows are driven. More: Simulating the Life Cycle of Molecular Clouds …

Magnetic Fields During Primordial Star Formation

Magnetic Fields During Primordial Star Formation

Using GCS HPC resources, a group of scientist from a number of international institutes were able to prove that very weak magnetic fields can be efficiently amplified during different stages of cosmic evolution. More: Magnetic Fields During Primordial Star Formation …

Exploring the Parameter Space of Thermonuclear Supernovae

Exploring the Parameter Space of Thermonuclear Supernovae

Type Ia supernovae, gigantic astrophysical explosions that completely disrupt one star and shine brighter than an entire galaxy consisting of 100 billion stars, have been successfully used to measure distances in the Universe. But what are the stars that give birth to Type Ia supernovae? The answer to this question remains elusive despite advances in modelling and observing these cosmic events over the past decades. From the perspective of theoretical modelling, only detailed multi-dimensional simulations of the explosion process on the most powerful supercomputers offer a way to tackle this long-standing problem. More: Exploring the Parameter Space of Thermonuclear Supernovae …

Extreme Plasma Acceleration: From the Laboratory to Astrophysics

Extreme Plasma Acceleration: From the Laboratory to Astrophysics

A team of scientists investigated novel positron and ion acceleration schemes towards a future plasma based linear collider and medical applications, novel magnetic field generation mechanisms relevant in astrophysical scenarios, and laser-plasma interaction studies for fusion applications. More: Extreme Plasma Acceleration: From the Laboratory to Astrophysics …

Probing Biological Water With First-Principle Simulations

Probing Biological Water With First-Principle Simulations

A team of rsearchers from the Johannes Gutenberg-Universität Mainz is currently investigating the structure, vibrational dynamics, and energetics of biological water at the surface of a mini-protein known as Anti-freeze protein. The Anti-freeze protein helps organisms to survive below zero degree Celsius by inhibiting ice growth. More: Probing Biological Water With First-Principle Simulations …

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

Modeling Gravitational Wave Signals From Black Hole Binaries

Numerical Simulation of Binary Black Hole and Neutron Star Mergers

A team of about 20 scientists working in Europe, India, South Africa and the USA have been involved in an Astrophysics simulation project calculated on LRZ system SuperMUC. The obtained results will allow the efficient detection and identification of gravitational wave events, e.g. to tell apart black holes from neutron stars. More: Numerical Simulation of Binary Black Hole and Neutron Star Mergers …

QCDpQED--QCD plus QED and the stability of matter--on JUQUEEN

QCDpQED--QCD Plus QED and the Stability of Matter

The mass of our visible universe is to a very large part provided by the strong nuclear interaction between elementary quarks, as described by the theory of quantum chromodynamics (QCD). In order to understand more deeply not only the origin of the mass of the visible universe but also its composition, tiny differences in the particle masses, especially those of protons and neutrons, are essential. More: QCDpQED--QCD Plus QED and the Stability of Matter …

Massive Parallel Computation of Non-Linear Multi-Field Problems in Terrestrial Systems

Massive Parallel Computation of Non-Linear Multi-Field Problems in Terrestrial Systems

In past decades, high performance computing has become a valuable tool in many fields of environmental science and technology to utilize computational power for better characterization of the complexity of environmental systems as well as predicting their evolution in time. The challenge is to develop efficient numerical schemes and software implementations which can take full advantage of today’s supercomputing platforms. More: Massive Parallel Computation of Non-Linear Multi-Field Problems in Terrestrial Systems …

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

Controlling Nano-Scale Friction Through Phase Transitions

Controlling Nano-Scale Friction Through Phase Transitions

The ability to control and manipulate frictional forces at the nanoscale is extremely important for technology, being closely tied to progress in transportation, manufacturing, energy conversion, and lubricant consumption, impacting on innumerable aspects of our health and environment. More: Controlling Nano-Scale Friction Through Phase Transitions …

Baryon Structure Using Dynamical QCD Simulations With Physical Values of the Light, Strange and Charm Quark Masses

Baryon Structure Using Dynamical QCD Simulations With Physical Values of the Light, Strange and Charm Quark Masses

A team of international scientists, cooperating under the name European Twisted Mass Collaboration (ETMC), uses supercomputer JUQUEEN of JSC in their efforts to understand the properties of elementary particles such as the proton, which forms most of the ordinary matter around us. More: Baryon Structure Using Dynamical QCD Simulations With Physical Values of the Light, Strange and Charm Quark Masses …

Excited State Artefacts in Calculations of Hadron 3-Point Functions

Excited State Artefacts in Calculations of Hadron 3-Point Functions

Lattice QCD (Quantum Chromodynamics) allows to calculate properties of states which are composed of quarks and gluons, called hadrons. The most important hadrons are proton and neutron, i.e. the nucleons. To obtain this information from Lattice QCD one has to calculate what is called “3-point- functions”. With large computer resources provided such as by SuperMUC scientists were able to do this much more precisely. Furthermore, physical quark masses could be simulated rather than scientists having to rely on extrapolations from simulations with larger than physical quark masses. More: Excited State Artefacts in Calculations of Hadron 3-Point Functions …

Project: Kaon Semi-Leptonic Form Factor

Kaon Semi-Leptonic Form Factor

The CKM-matrix (Cabibbo-Kobayashi-Maskawa) describes the mixing between the mass eigenstates and electro-weak eigenstates of the different quark flavors in the Standard Model of Particle Physics. Scientists leverage the computing power of HPC system SuperMUC for tests of the unitarity of the CKM matrix and therefore also probe the Standard Model of Particle Physics. More: Kaon Semi-Leptonic Form Factor …

Self-Asssembled Porous Media

Self-Assembled Porous Media

Scientists studied the possibility of using the emulsification process of particle-stabilized emulsions to create self-assembled porous media. It was shown that this type of self-assembly can result in highly tuneable systems, which can be optimized for various purposes. More: Self-Assembled Porous Media …

Highly Resolved Simulations of Hemodynamics in Intracranial Aneurysms

Highly Resolved Simulations of Hemodynamics in Intracranial Aneurysms

A significant part of modern mortality is contributed by strokes, caused by the rupture of intracranial aneurysms. The deployment of a flow diverter stent in the parent artery of an aneurysm is a novel and minimally invasive treatment procedure. Numerical simulations of the complex dynamic flow can help to better understand important effects and to optimize the design of such stents. More: Highly Resolved Simulations of Hemodynamics in Intracranial Aneurysms …

Ab Initio Geochemistry of the Deep Earth

Ab Initio Geochemistry of the Deep Earth

Researchers deploy molecular modeling approaches based on quantum mechanics to develop structure models for crystals as well as disordered materials at the conditions of the Earth's lower crust and mantle. Such ab initio simulations also provide a unique access to physical properties and thermodynamic potentials of the respective materials. More: Ab Initio Geochemistry of the Deep Earth …

Proect SeisSol

Seismic Science Project SeisSol

In a collaborative effort, geophysicists, computer scientists, and experts of the Leibniz Supercomputing Centre optimized and completely parallelised the 70,000 lines of code of earthquake simulation software SeisSol. The joint effort resulted in a sustained system performance of 1.09 Petaflops for a 3+ hours simulation run using all 147,456 compute cores of HPC system SuperMUC. More: Seismic Science Project SeisSol …

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

The Illustris Simulation: Revealing the Complexity of Galaxy Formation

The Illustris Simulation:
Revealing the Complexity of Galaxy Formation

An international team of scientists at the Heidelberg Institute for Theoretical Studies (HITS), MIT, Harvard University and the University of Cambridge has carried out the “Illustris Simulation” on the SuperMUC and CURIE supercomputers, and created the largest and most sophisticated computational model of cosmic structure formation thus far. More: The Illustris Simulation: Revealing the Complexity of Galaxy Formation …

Molecular Dynamics Simulation of Protein-Protein Complex Formation in a Crowded Environment

Molecular Dynamics Simulation of Protein-Protein Complex Formation in a Crowded Environment

A research project on HPC system SuperMUC or LRZ Garching/Munich aimed at simulating the formation of specific and non-specific protein-protein complexes and investigating the effect of additional protein molecules (crowding) on complex formation in atomic detail. More: Molecular Dynamics Simulation of Protein-Protein Complex Formation in a Crowded Environment …

TERRA-NEO: Integrated Co-Design of an Exa-Scale Earth Mantle Modeling Framework

TERRA-NEO: Integrated Co-Design of an Exa-Scale Earth Mantle Modeling Framework

TERRA-NEO is an ambitious project to construct a next generation mantle circulation model that allows simulation-based breakthroughs in our understanding of the solid Earth. Current and future supercomputers can deliver the exceptional computational power needed for this research field. More: TERRA-NEO: Integrated Co-Design of an Exa-Scale Earth Mantle Modeling Framework …

Nucleon and Meson Matrix Elements Close to the Physical Point

Nucleon and Meson Matrix Elements Close to the Physical Point

The validity of Quantum Field Theory (QFT) is proven beyond any reasonable doubt, but at the same time it is clear that the Standard Model is incomplete in many respects. Also, there are many aspects of the Standard Model, in particular of the QCD (Quantum Chromodynamics) sector, which are not yet understood. It is hoped that the combination of dedicated new experiments and Lattice QFT will allow to improve the understanding of these aspects. More: Nucleon and Meson Matrix Elements Close to the Physical Point …

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