Answer
Kamar yadda igiyar ruwa ke matsawa daga tsayinta kyauta zuwa tsayin aiki, raƙuman ruwa suna karkata, yana haifar da faɗin diamita na bazara gaba ɗaya. Ana iya ƙididdige faɗaɗa $\ Delta D $ kamar $\Delta D = \sqrt{D^2 + (H^2 - h^2) \cdot \ frac{n^2-1}{\pi^2}} - D$, inda $H $ shine tsayin kyauta kuma $ h$ shine tsayin daka. Idan an shigar da bazara a cikin gidaje tare da rashin isasshen radial, bazarar za ta ɗaure da bangon gidaje. Wannan ɗaurin yana haifar da juriya na juriya, yana haifar da haɓakar da ba na layi ba a cikin kaya da yuwuwar 'ɗaukar kaya.' Bugu da ƙari kuma, ƙayyadaddun ƙaddamarwa yana haifar da ƙididdiga na damuwa na gida a cikin kullun, wanda ya rage yawan rayuwar gajiyar sashin saboda girman matsayi na radial constraint stress da axial lankwasawa danniya.
