SGOF
 a_w = 0 
 l_w = 1.69  
 b_w = 1.969  
 m_w = 1.18  
                    
 a_n = 0    
 l_n = 4.26  
 b_n = 4.255 
 m_n = 1 

 SWL  = 0
 SWC  = 0
 SWU  = 0.68 
 SNC  = 0.36

 KRW  = 0.87
 KRN  = 1
 KRWU = 1
 KRNL = 1

 pc_cw = 0 
 pc_aw = 0 
 pc_cn = 0 
 pc_an = 0 
 pc_swr =0 
 pc_snr =0

delta = 0.02

