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Longitudinal Rouse relaxation

Here, tr and K are the longitudinal Rouse relaxation time and the velocity gradient tensor, respectively, and X Y indicates a sum of components of tensors X and Y, namely, X Y=Y,a,p=x,y,z XafiYfia. On the other hand, if the interchain pressure effect due to confinement in the tube disturbs the stretch relaxation, the time evolution equation is modified as ... [Pg.704]

The division of spatial scales separating the very high-frequency, local Rouse processes, with time scales less than t, from the longitudinal Rouse modes, with time scales greater than T, has been represented by Likhtman and McLeish [18] using an approximate jragmented Rouse spectrum to calculate the Rouse relaxation modulus Gj j of chain i ... [Pg.229]

See other pages where Longitudinal Rouse relaxation is mentioned: [Pg.229]    [Pg.272]    [Pg.229]    [Pg.272]    [Pg.408]    [Pg.228]    [Pg.229]    [Pg.700]    [Pg.702]    [Pg.702]    [Pg.703]    [Pg.703]    [Pg.148]    [Pg.271]    [Pg.524]    [Pg.165]    [Pg.445]    [Pg.448]    [Pg.421]   


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