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HPC software developments help to break cryptography records

Data sent over the internet relies on public key cryptographical systems to remain secure. Paul Zimmermann of INRIA has been leading a project that has...
A comparison of climate simulations of Europe illustrates the advantage of high-resolution: The high-resolution simulation on the right displays the cloudiness, the contours of the rain cells and the precipitation (in mm/h, colour bar on the right) at a grid size of 2.2 km. It is much more realistic than the low-resolution model on the left with a grid size of 12 km. The image shows 1-hour of a simulation of 10 years performed with the COSMO program on the “Piz Daint” supercomputer at CSCS, Switzerland. Image author: David Leutwyler, ETH Zurich, project crCLIM.

Climate simulations reach the next level of precision

Despite decades of research, current climate models still contain a substantial degree of uncertainty that hampers accurate projections of climate change effects such as sea...

The simulation of three adjacent components of the DGEN380 engine: the fan, the high-pressure compressor and the combustion chamber.

Scientists provide the first full view into an aircraft engine

Fluid dynamics simulations are a valuable tool for improving the design of aircraft engines and rendering them more efficient. Now, a team of researchers has...
The design concept is applied to the 2682-metres-long Osman Gazi bridge near the city of Gebze in Turkey. From the organic-looking and highly complex optimisation result in the upper right, a simplified novel design was identified (shown as red panels). Compared to the conventional design (in blue), the curved, thin steel diaphragms lead to a 28 percent weight reduction for the bridge girder.

Scientists harness computing power to design the perfect bridge

Scientists at the Technology University of Denmark have reinvented the design of suspension bridges. Their novel concept not only enables much longer bridge spans but...
A small sample of galaxies created by the Illustris simulation demonstrate the variety of formations. Image author: Illustris Simulation Team

Universe simulation Illustris is an ongoing success story

In 2014, a team of scientists amazed the world with a simulation of the universe from its birth to the present. Having first confirmed that...
The protein TEM1 with a ligand bound in its cryptic pocket (HOLO), as simulated be the sampling approach. If no ligand molecule is bound, the pocket disappears completely. Image author: Oleinikovas et al.

How to look for hidden drug binding pockets

Cryptic pockets are hidden and appear only when a ligand molecule is actually bound. Now researchers have developed a novel sampling approach, which can detect...

Shock-related buffeting in aeroplanes

Shock-related buffeting is a phenomenon that occurs when air passes over the wing of an aeroplane under extreme conditions and can have profound consequences for...
A close-up view of the chemical reaction: The catalyst platinum (Pt) brings the chemical precursors together. Water (H2O) links to Pt via one of its hydrogen atoms (left), while another Pt atom catches the carbon monoxide (CO) molecule, enhancing its willingness to react with the water’s oxygen. Depicted in the image is the transition-state geometry, which cannot be found by experimental methods. The final products of the reaction are CO2 and the targeted hydrogen gas (H2).

New findings in search for perfect hydrogen production

Hydrogen is of more interest than ever as a green power source in transportation. However, the chemical reaction for its industrial production was poorly understood....
Computer simulations helped to predict the atom-precise structure of a cluster comprising 11 gold atoms. In this image is a N-heterocyclic carbene protected gold cluster that electrocatalyses decomposition of CO2. Image: Sami Kaappa, University of Jyväskylä, Finland.

Computer simulations predicted structure of gold cluster that chops carbon dioxide

A doctoral dissertation taking place today at University of Jyväskylä, Finland, shows successful computer simulations that were able to predict the atom-precise structure of a...
Predicting atomic structures of hybrid metal nanoparticles is, in principle, a similar problem to completing the floret shell of a “blown-out” dandelion. What are the optimal sites to add molecules (grey) on top of a metal core (in this case gold, orange spheres)? (Visualization: Sami Malola, University of Jyväskylä)

Artificial intelligence helps to predict hybrid nanoparticle structures

Researchers at the Nanoscience Center and Faculty of Information Technology in the University of Jyväskylä, Finland, have achieved a significant step forward in predicting atomic...

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