Changes between Initial Version and Version 1 of Ticket #1201, comment 3


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Timestamp:
Oct 29, 2018 4:58:30 PM (5 years ago)
Author:
pkienzle
Comment:

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  • Ticket #1201, comment 3

    initial v1  
    3838 
    3939 
     40The old cylinder ER expression is as follows: 
     41{{{ 
     42def ER(radius, length): 
     43    ddd = 0.75 * radius * (2 * radius * length + (length + radius) * (length + pi * radius)) 
     44    return 0.5 * (ddd) ** (1. / 3.) 
     45}}} 
     46I don't see it in [Pedersen 1997], and don't know where it comes from.  Maybe [Fournet 1951]? 
    4047 
     48Parallelepipeds used the long axis to define the equivalent cylinder. 
     49 
     50Would adding Rg for everything be useful?  This is yet another  
     51