Computerfysik
Computerfysik (engelsk: computational physics) er den gren af fysikken, der løser problemstillinger ved hjælp af computersimulationer og numeriske beregninger.[1] Historisk set var computerfysik en af de første anvendelser af moderne computere inden for naturvidenskab, og den hører i dag under computational science. Af nogle bliver computerfysik anset for at være en del af den teoretiske fysik, mens andre mener, at computerfysik er en selvstændig kategori.[2]
Overblik
I teoretisk fysik opstilles matematiske modeller, der kan løses for at give meget præcise forudsigelser omkring et fysisk system. Desværre er disse modeller ofte meget svære eller umulige at løse eksakt, hvorfor numeriske tilnærmelser kan være nødvendige. Det er disse problemer, som computerfysik beskæftiger sig med. En algoritme opstilles med simple matematiske operationer, som computeren foretager. Resultatet er en approksimativ løsning samt en tilhørende fejl.[1]
Se også
- Advanced Simulation Library
- CECAM - Centre européen de calcul atomique et moléculaire
- Division of Computational Physics (DCOMP) hos American Physical Society
- Matematisk fysik
- Open Source Physics
- Car–Parrinello molecular dynamics
- Gittermodel og Ising-modellen
Kildehenvisninger
- ^ a b Thijssen, Jos (2007). Computational Physics. Cambridge University Press. ISBN 978-0521833462.
- ^ Landau, Rubin H.; Páez, Manuel J.; Bordeianu, Cristian C. (2015). Computational Physics: Problem Solving with Python. John Wiley & Sons. Arkiveret fra originalen 20. juni 2017. Hentet 25. december 2021.
- ^ Landau, Rubin H.; Paez, Jose; Bordeianu, Cristian C. (2011). A survey of computational physics: introductory computational science. Princeton University Press. ISBN 9780691131375.
Yderligere læsning
- A.K. Hartmann, Practical Guide to Computer Simulations, World Scientific (2009)
- International Journal of Modern Physics C (IJMPC): Physics and Computers Arkiveret 3. november 2004 hos Wayback Machine, World Scientific
- Steven E. Koonin, Computational Physics, Addison-Wesley (1986)
- T. Pang, An Introduction to Computational Physics, Cambridge University Press (2010)
- B. Stickler, E. Schachinger, Basic concepts in computational physics, Springer Verlag (2013). ISBN 9783319024349.
- E. Winsberg, Science in the Age of Computer Simulation. Chicago: University of Chicago Press, 2010.
Eksterne henvisninger
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Wikimedia Commons har medier relateret til: |
- C20 IUPAP Commission on Computational Physics Arkiveret 15. november 2015 hos Wayback Machine
- American Physical Society: Division of Computational Physics
- Institute of Physics: Computational Physics Group Arkiveret 13. februar 2015 hos Wayback Machine
- SciDAC: Scientific Discovery through Advanced Computing
- Open Source Physics
- SCINET Scientific Software Framework Arkiveret 15. oktober 2017 hos Wayback Machine
- Computational Physics Course with youtube videos
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