Abstract
Abstract The constant-temperature constant-pressure molecular dynamics simulations of a water-like system are performed at many temperatures and pressures. A 2-dimensional model of water is used for the system with 576 molecules in a square cell. Thermodynamical quantities are anomalous as in liquid water. The temperature-dependences of the calculated self-diffusion coefficient and the shear viscosity are in agreement with the observed values at low pressures. The effects of compression on these transport coefficients are reproduced qualitatively. The bulk viscosity obtained is larger than the shear viscosity. The order of magnitude of the calculated thermal conductivity is in agreement with the experimental results. The contribution of the rotational motion to the thermal conductivity is calculated in order to discuss the anomalous temperature-dependence of this coefficient.
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