An approach for constructing a continuum-molecular model of a polymer material is proposed. The approach has the following advantages. It combines the convenience of dealing with the continuum representation, which permits numerically analyzing complicated processes on the nanolevel with the characteristic time measured in minutes. In addition, the model contains molecular representations which permit calculating the continuum properties with the specific features of interaction between links of molecular chains taken into account. Moreover, the state of the material can be inhomogeneous on the scale level that is several times greater than the dimension of a single link of the polymer chain.
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