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Unformatted text preview: need to deal with to ensure safety, reliability, and cost effectiveness. For
example, the designer of a large bridge has to ensure that the bridge must work in
various atmospheric conditions and pressures from wind, velocity, etc., and under
different load conditions. Actual construction and testing of such expensive
structures is prohibitive in most cases. Hence simulation techniques are extensively used in structural mechanics area.
Computer simulation of these
problems is a complex activity and requires powerful supercomputers to complete
the simulation in a reasonable time. Using mathematical modeling techniques,
various combinations can be tried out without going for the
actual construction/manufacturing of the structure and the most optimum design
can be picked up.
Meteorological centers use supercomputers for weather forecasting. In
weather forecasting and in research involving the earth's atmosphere, weather data
supplied by a worldwide network of space satellites, airplanes, and ground stations
are fed into supercomputers. These data are analyzed by a series of computer
programs to arrive at forecasts.
This analysis involves solving of complex
mathematical equations, which model the atmosphere and climate processes. For
example, in India, the National Center for Medium Range Weather Forecasting
(NCMRWF), located in New Delhi, currently uses the CRAY XMP-216
supercomputer for predicting the medium range weather forecasts, which is very
crucial for the Indian agriculture.
Material scientists and physicists use supercomputers to design new
Termed as nanostructure technology, this field requires microscopic
investigation of mechanical, electrical, optical and structural properties of
For this, scientists need to simulate the nanoscale materials like
clusters of atoms, quantum dots, quantum wires using first principles molecular
dynamics technique. Such simulations are highly compute intensive since they
combine the complexity of molecular dynamics and electronic structure. Hence
supercomputers are needed to complete these simulations in a reasonable time.
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- Spring '14