Articles tagged with Computer Simulation
GEOMAR researchers used 3D seismics to recreate the 1650 Kolumbo volcano eruption, finding that a landslide followed by an explosion created the devastating tsunami. The study provides valuable insights for monitoring submarine volcanic activity and potentially developing early warning systems.
A new computer simulation of the early universe aligns with JWST observations, showing no discrepancy with theoretical expectations. The 'Renaissance simulations' track dark matter clumps and galaxy formation, consistent with models that dictate cosmic physics.
Physicists investigate systems of self-propelled particles whose speed depends on orientation, discovering a series of new effects, including spontaneous cluster formation with permanent flow and programmable shapes. The findings have practical importance for technical applications, such as realising programmable matter.
A new method was developed to predict organ motion in cancer patients undergoing radiation therapy, utilizing cross-sectional images from three orientations. The results showed improved accuracy when analyzing all three directions, with errors reduced to as low as 2.13mm.
Computer simulations reveal that water molecules play a key role in the formation of biomolecular condensates, which act as specific microreactors for biochemical reactions. The confinement of water molecules inside these condensates is an unfavorable driving force, while their freedom outside is favorable.
UAB researchers have designed minimal nanozymes with the capacity to capture carbon dioxide, applicable for environmental remediation and biotechnology research. These new molecules are formed by peptides of only seven amino acids and can act as metalloenzymes, opening up possibilities in extreme temperatures and pH values.
Researchers at TU Wien developed a comprehensive computer model of realistic graphene structures, showing that the material's desired effects are stable even with defects. This means graphene can be used in quantum information technology and sensing without needing to be perfect.
Complex proteins adopt multiple structural states in solution, making it challenging to determine their three-dimensional structure. A new approach combining NMR spectroscopy and computer simulations reveals the dynamic properties of these proteins.
Scientists estimate annual probability of a mass shooting in every US state and public places like schools, using statistical methods and computer simulations. The study finds that mass shootings are low-probability but high-consequence events.
A novel method to monitor range shifts of protected organisms and expanding noxious species has been developed. By marking the average position of the 'connectivity limit' over time, researchers offer a statistically reliable approach to tracking changes in species distributions.
A team of researchers developed a computational simulation that explains key mechanism of DNA segregation, providing new insights into the distribution of genetic information during bacterial cell division. The study reveals fundamental biochemical principles relevant to synthetic biology and medical applications.
Researchers find that Acinetobacter baumannii can achieve significant functional modifications in protein complexes over short evolutionary time spans, particularly in hair-like cell appendages. This diversity may affect the pathogen's interaction with its environment and inform personalized therapies.
A recent study by GEOMAR researchers found that fluctuations in the Labrador Sea can significantly influence the strength of sinking processes east of Greenland. This phenomenon affects the Atlantic Meridional Overturning Circulation (AMOC), a crucial climate system that brings warm water from the Gulf of Mexico to Europe.
Astronomers have created the first computer simulations showing how convection in the cores of massive stars generates waves that result in flickering starlight. The effect is different from the visible twinkling of stars in the night sky and could be observed with improved telescopes.
The Save Our Seas Foundation's World of Sharks website now features interactive 3D models of white sharks and manta rays, enabling users to explore shark physiology and evolution in an engaging way. The 3D models are open-access and free to view and download for non-profit use.
The Vlasiator model demonstrated that two central theories on plasma eruptions in near-Earth space are simultaneously valid: magnetic reconnection and kinetic instabilities. This finding helps understand how these events occur and improves the predictability of space weather.
A team of researchers has uncovered nanoscale changes in solid-state batteries that could improve battery performance. They found that high-frequency vibrations at the interface make it harder for lithium ions to move, and discovered an intrinsic barrier to ion motion.
Astrophysicists have discovered that intermediate-mass black holes eat stars in a series of violent passages, ejecting the leftovers across the galaxy. The star's remains create a signature that might help astronomers pinpoint these elusive objects.
Heidelberg researchers have identified key proteins that can prevent the formation of fusion pores, allowing viruses like influenza A and Ebola to be trapped in a lipid membrane. This breakthrough could lead to new approaches for preventing infections with these highly infectious viruses.
Researchers used computer simulations to understand the formation of new subduction zones and the development of the Caribbean large igneous province. The study found that simultaneous subduction of two plates led to a major mantle flow, triggering the formation of a plume and extensive magmatic activity.
Researchers at ETH Zurich have decoded details of how cyclic peptides cross cell membranes, providing a new understanding of their mechanism. This knowledge can help speed up drug discovery by identifying ideal side chains for these molecules.
A Brown-led research team found that four dementia-care interventions saved between $2,800 and $13,000 in societal costs and reduced nursing home admissions while improving quality of life. Non-drug interventions have been shown to be effective in clinical trials and can help people with dementia stay safely at home longer.
The Energy Circulation Theory (ECT) simulates the formation of galaxies with different shapes, such as disc, spiral, and elliptical ones. The study demonstrates that various galactic distributions result from stellar seed releases and galactic seed interactions.
University of Illinois researchers create an electrode that attracts and captures short-chain PFAS, a type of 'forever chemical,' using electrosorption. The design allows for selective fluorophilic interactions, enabling the capture of these persistent contaminants from environment.
Heat flow in the Earth's core is linked to anomalies in the magnetic field, particularly over Africa and the Pacific. The cooling process does not happen uniformly, causing regional changes to the magnetic field.
Researchers used a high-performance computer simulation to study the impact of soil subsidence on permafrost thawing in the Arctic tundra. They found that uneven land subsidence leads to a drier landscape, which limits the process's acceleration through the end of the century.
The new Cell Atlas updates reveal that 20% of all neurons in the mouse brain are inhibitory, with detailed information on morphological and electrophysiological properties. The atlas combines various datasets to create a coherent framework for simulating neural circuits.
A University of Utah-led study explores using space dust as a shield to reduce solar radiation and slow global warming. Launching lunar dust from the moon instead of Earth's way station at L1 could be an effective and cheap solution.
A new study suggests that current coal exit efforts are unlikely to succeed without stronger policies, including carbon pricing and phase-out of coal mining. China plays a critical role in achieving this goal, as it produces and consumes over half of global coal, and its swift action can help propel Paris-aligned momentum.
The University of Texas at El Paso has received a $1.25 million grant from the US Department of Energy to create a pipeline of scientists and engineers from underrepresented groups with expertise in modeling and simulation. The project aims to recruit, train, and develop diverse talent for advanced research and development in M&S.
Researchers at UCL discovered a new type of ice, medium-density amorphous ice (MDA), which has the same density as liquid water and exhibits properties similar to solid water. This finding may challenge existing models of water and raise questions about its anomalies.
A new approach recovers the elastic tensors and moduli of superionic materials through first-principles molecular dynamics simulations. This resolves a significant overestimation issue with static methods, providing accurate reference results for three benchmark materials.
Scientists have discovered a connection between Amazon rainforest temperature changes and Tibetan Plateau climate patterns, highlighting the global impact of Earth system tipping elements. The study found a pronounced propagation pathway from South America to Tibet via Southern Africa and the Middle East.
Researchers at New York University captured extremely fast dynamics of water molecules moving around salt ions at a scale of over a trillion times per second. The findings allow for more reliable models of ion dynamics, which could improve rechargeable batteries and MRIs.
A new study by researchers at Florida Atlantic University explored the effects of resistance training on older adults' cellular level. The study found that resistance training did not significantly affect inflammatory proteins or redox balance markers, but showed a significant reduction in a specific protein ratio. This may support the...
Jamie Padgett, a leading expert in infrastructure sustainability and resiliency, has received the Edith and Peter O'Donnell Award from TAMEST. Her groundbreaking research focuses on identifying and minimizing risks to critical infrastructure, enhancing public safety and promoting disaster resilience.
A team of researchers from The University of Tokyo created a computer simulation to study the phase separation of counter-rotating particles in a fluid. They found that nonlinear turbulent effects lead to the sudden separation of particles into regions of clockwise and counterclockwise collections.
Researchers have found that a weak ocean gyre near the Thwaites Ice Shelf allows more warm water to access its base, causing it to melt. This process is driven by waters from nearby melting ice shelves and can impact the stability of adjacent ice shelves, contributing to global sea-level rise.
Researchers at Kyoto University have developed nanoantennas that significantly increase the efficiency and photoluminescence of white LEDs by replacing aluminum with titanium dioxide. This breakthrough enables the creation of intensely bright yet energy-saving solid-state lighting solutions.
A University of Houston researcher has developed a method to describe complex systems using the least number of variables possible, reducing complexity from millions to just one. This advancement speeds up science with efficiency and ability to understand and predict natural system behavior.
A KAUST research team studied the interaction between nitrogen gas and hydrocarbons in oil reservoirs. They found a direct correlation between nitrogen solubility and oil swelling, enhancing oil recovery. The study also sheds light on CO2 storage with impurities like methane and nitrogen.
Researchers used computer simulations to show that SARS-CoV-2 variants can attach to host cells in both bats and humans using their spike proteins. The study's findings suggest a significant risk of mammalian cross-species infectivity, contradicting initial expectations of reduced transmission.
A German-Chinese research team has created a more precise understanding of the behavior of tiny droplets and vapor bubbles using computer simulation. The findings have the potential to improve cooling systems for microprocessors and enhance the efficiency of green hydrogen production, as well as aid in the development of new materials.
Researchers at Shinshu University demonstrate the transformation of isolated skyrmions into bimerons in a magnetic disk, showcasing a potential new operation for future computing architectures. The discovery opens up novel spintronic applications based on different topological spin textures.
A new study by University of Helsinki researchers finds that magma floods can form in thick tectonic plates, contradicting the long-held assumption. The research uses geochemical modelling to demonstrate that high-temperature mantle sources can produce magmas with similar trace element compositions as low-pressure conditions.
Researchers have developed a continuum theory of micro-hairs, allowing for the study of collective movements and fluid flows. The theory reveals that even random movement is unstable and leads to synchronisation, while perfect unison is also unstable, resulting in specific patterns of movement.
Researchers found a 22,000-year cycle in the Earth-sun distance affecting the Pacific cold tongue, impacting El Niño/La Niña events and North American weather. The study suggests that the changing distance may have long-term historical effects on other weather systems.
A new study published in PNAS found that female and male Japanese termites can flip sex roles to form stable same-sex pairs. The researchers discovered that this 'sex role flexibility' allows same-sex pairings to evolve, enabling termites to survive and thrive.
A new model accounts for the interplay of forces acting on newborn planets, explaining two puzzling observations: the radius valley and peas in a pod. The research suggests that giant impacts, like the one that formed our moon, are probably a generic outcome of planet formation.
A human genetic study suggests that Madagascar's loss of large vertebrates is linked to the first major human expansion on the island around 1,000 years ago. The study found that a small group of Bantu-speaking African people arrived on the island and led to the rapid growth of the human population.
Researchers have developed a new model that combines nuclear physics and string theory to describe the transition to dense and hot quark matter in neutron star collisions. The model allows for the calculation of gravitational-wave signals, showing that both hot and cold quark matter can be produced.
A new study suggests that the US economy's supply chains cannot compensate for local production losses from hurricanes if climate change continues. The researchers found that even under moderate warming scenarios, hurricane damages will exceed the economy's coping capacities, leading to indirect economic effects and price increases for...
A multi-institutional team has developed an efficient method for measuring high-dimensional qudits, which are more resistant to noise and can carry more information than qubits. The technique uses phase modulators and pulse shapers to characterize qudit entanglement with unprecedented precision.
Researchers at Paderborn University developed a new algorithm for quantum computing in chemistry, reducing qubit count and increasing parallelisation. This allows for the simulation of larger molecules and improved accuracy despite 'quantum noise'.
Researchers from the University of Tokyo simulated fracture in amorphous solids to better understand material fatigue. They found that the critical strain for irreversible deformation is the same for both fatigue and monotonic fractures.
Researchers mapped the spread of pathogens in wild macaque populations near human settlements, finding that monkeys with high human interactions cause larger outbreaks. The study used computer simulations to predict disease transmission and identified key factors influencing outbreak size.
Researchers have confirmed the existence of Pekeris waves, a type of atmospheric wave theorized in 1937 but never proven to occur naturally. The waves were detected following the 2022 Tonga volcanic eruption using state-of-the-art observational data and computer simulations.
City digital twin technology is used to create synthetic training data for deep learning models, which are then trained on a combination of real and synthetic data. This approach yields promising results for architectural segmentation tasks, particularly for modern building styles.
Researchers at Linköping University used computer simulations to show that stable aromatic molecules can become reactive after absorbing light. This could enable new ways to control photochemical reactions using the aromaticity of molecules.
Researchers developed a new machine-learning method to understand force chains in jammed granular solids. The graph neural network approach can predict the position of force chains with high accuracy, even for complex systems and varying conditions.