Computer simulation
hideA computer simulation, a computer model or a computational model is a computer program, or network of computers, that attempts to simulate an abstract model of a particular system. Computer simulations have become a useful part of mathematical modeling of many natural systems in physics (computational physics), chemistry and biology, human systems in economics, psychology, and social science and in the process of engineering new technology, to gain insight into the operation of those systems, or to observe their behavior.
Computer simulations vary from computer programs that run a few minutes, to network-based groups of computers running for hours, to ongoing simulations that run for days. The scale of events being simulated by computer simulations has far exceeded anything possible (or perhaps even imaginable) using the traditional paper-and-pencil mathematical modeling: over 10 years ago, a desert-battle simulation, of one force invading another, involved the modeling of 66,239 tanks, trucks and other vehicles on simulated terrain around Kuwait, using multiple supercomputers in the DoD High Performance Computer Modernization Program; a 1-billion-atom model of material deformation (2002); a 2.64-million-atom model of the complex maker of protein in all organisms, a ribosome, in 2005; and the Blue Brain project at EPFL (Switzerland), began in May 2005, to create the first computer simulation of the entire human brain, right down to the molecular level.
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News tagged with computer simulations
Entropy alone creates complex crystals from simple shapes, study shows
22 hours ago |
4.9 / 5 (20) |
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(PhysOrg.com) -- In a study that elevates the role of entropy in creating order, research led by the University of Michigan shows that certain pyramid shapes can spontaneously organize into complex quasicrystals.
Dinosaurs hop, skip and jump into 21st century
Other Sciences / Archaeology & Fossils
21 hours ago |
4.3 / 5 (3) |
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(PhysOrg.com) -- Dinosaurs have literally been put through their paces by a new supercomputer, allowing scientists to get closer to understanding how they once moved.
Study highlights implications of influenza pandemics on blood supplies
Dec 09, 2009 |
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A German research team has examined data on supply and demand for blood transfusions against a computer simulation of an influenza pandemic, and discovered that a severe pandemic scenario could quickly lead to a deficit of ...
Study helps advance heart-related research
Dec 04, 2009 |
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Using a new mathematical model of heart cells, University of Iowa investigators have shown how activation of a critical enzyme, calmodulin kinase II (CaM kinase), disrupts the electrical activity of heart cells.
Ultra-Powerful Laser Reproduces How Star's Jets Travel through Interstellar Space
Nov 20, 2009 |
4.6 / 5 (9) |
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(PhysOrg.com) -- A multi-trillion-watt laser at the University of Rochester has simulated a stellar jet -- an outpouring of matter from a fledgling star -- with unprecedented realism.
Study simulated car crashes involving pregnant women
Dec 02, 2009 |
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Although states are not required to report fetal deaths in accident data, between 300 and 1,000 unborn babies die in car accidents each year. This accident fatality rate is about four times the rate for victims ...
