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All Journal Indonesian Journal of Physics (IJP)
Siti Nurul Khotimah
Nuclear Physics and Biophysics Research Division Faculty of Mathematics and Natural Sciences Institut Teknologi Bandung, Indonesia
Astronomy Computer Science & IT Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering

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Energy of One-Dimensional Diatomic Elastic Granular Gas:Theory and Molecular Dynamics Simulation Siti Nurul Khotimah; Sparisoma Viridi; Widayani Widayani; Abdul Waris
Indonesian Journal of Physics Vol 22 No 3 (2011): Vol. 22 No. 3, July 2011
Publisher : Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (232.19 KB) | DOI: 10.5614/itb.ijp.2011.22.3.5

Abstract

One-dimensional ideal diatomic gas is simulated through possible types of motions of its molecule. Energy of each type of its motion is calculated by both theoretical and numerical methods. Analytical calculation of kinetic energy of an atom in translational-vibrational motion is not simple, but it can be solved by numerical method using molecular dynamic simulation. This paper justifies that the kinetic energy of a diatomic molecule can be determined by two different approaches which give the same results. In the first approach, the kinetic energy is calculated as a summation of kinetic energy of each atom. In the second approach, the kinetic energy is calculated as a summation of kinetic energy of translational and vibrational motions.
Co-Authors Abdul Waris Sparisoma Viridi Widayani Widayani