▁and ▁has ▁a ▁closed - form ▁solution , ▁regardless ▁of ▁the ▁material ▁properties ▁and ▁initial ▁transformation ▁stra in ▁( also ▁called ▁the ▁eigen stra in ), ▁has ▁spawn ed ▁a ▁large ▁amount ▁of ▁work ▁in ▁the ▁mechan ics ▁of ▁compos ites . ▁ ▁Notes ▁ ▁Bibli ography ▁ ▁See ▁also ▁▁ ▁Mic rome chan ics ▁ ▁Category : Cont inu um ▁mechan ics ▁Category : E last icity ▁( physics ) ▁Category : Th ought ▁experiments ▁in ▁physics <0x0A> </s> ▁B end ▁radius , ▁which ▁is ▁measured ▁to ▁the ▁inside ▁curv ature , ▁is ▁the ▁minimum ▁radius ▁one ▁can ▁b end ▁a ▁pipe , ▁t ube , ▁sheet , ▁cable ▁or ▁h ose ▁without ▁k inking ▁it , ▁dam aging ▁it , ▁or ▁short ening ▁its ▁life . ▁The ▁smaller ▁the ▁b end ▁radius , ▁the ▁greater ▁is ▁the ▁material ▁flex ibility ▁( as ▁the ▁radius ▁of ▁curv ature ▁decre ases , ▁the ▁curv ature ▁increases ). ▁The ▁diagram ▁to ▁the ▁right ▁illustr ates ▁a ▁cable ▁with ▁a ▁seven - cent imeter ▁b end ▁radius . ▁ ▁The ▁minimum ▁b end ▁radius ▁is ▁the ▁radius ▁below ▁which ▁an ▁object ▁such ▁as ▁a ▁ ▁cable ▁should ▁not ▁be ▁bent . ▁ ▁F iber ▁opt ics ▁The ▁minimum ▁b end ▁radius ▁is ▁of ▁particular ▁importance ▁in ▁the ▁handling ▁of ▁fi ber - opt ic ▁c ables , ▁which ▁are ▁often ▁used ▁in ▁tele communic ations . ▁The ▁minimum ▁b ending ▁radius ▁will ▁vary ▁with ▁different ▁cable ▁designs . ▁The ▁manufact urer ▁should ▁specify ▁the ▁minimum