Answer
Hanyar rashin nasara ta farko ita ce karyewar gajiya wanda aka fara ta hanyar damuwa mai ƙarfi a magudanar ruwan igiyar ruwa da magudanar ruwa. A cikin aikace-aikace masu girma, 'wave-clash' ko haɓaka mai ƙarfi yana faruwa idan mitar aiki ta kusanci mitar yanayin bazara $\nu = \frac{1}{2 \pi} \sqrt{\frac{k g}{W}}$. Wannan yana haifar da matsananciyar damuwa. Binciken maɓuɓɓugan ruwa da suka gaza sau da yawa yana bayyana 'alamomin rairayin bakin teku' akan fuskar karaya, alamar gajiya. Ragewar ya ƙunshi tabbatar da damuwa na aiki $\sigma$ ya kasance ƙasa da iyakar gajiya akan zane na Goodman, inda $\sigma = \ frac{3 π P D_m}{4 b t^2 n^2}$. Yin amfani da harbe-harbe a kan kayan kamar SAE 1070 ko 17-7PH na iya gabatar da matsananciyar damuwa a saman, yadda ya kamata ya canza ma'anar damuwa zuwa ƙasa da kuma tsawaita rayuwar zagayowar ta tsari mai girma.
