# A Bornâ€“Greenâ€“Yvon equation for flexible chain-molecule fluids. I. General formalism and numerical results for short hard-sphere chains

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The hypernetted chain (HNC) and Percusâ€“Yevick (PY) integral equations are solved numerically for parallel hard spherocylinders of length-to-width ratios L/Ïƒ ranging from 0.5 to 5.0. The PY virial pressure is in excellent agreement with Monte Carlo data. The HNC equation gives evidence...