Official Answer
Answer
Katangar radial $b$ na maɓuɓɓugar igiyar ruwa tana aiki daidai da faɗin katako mai kusurwa a cikin lanƙwasa. Taurin yana daidaita daidai gwargwado zuwa $b$, yayin da damuwa ya yi daidai da $b$. Musamman, ana ƙididdige nauyin $P$ azaman $P = (k imes f)$ inda $k$ ya haɗa $b$ a cikin ƙididdiga. Idan injiniya ya karu $b$ don cimma nauyi mai girma, bazarar ta zama mafi tsauri kuma ba ta da sauƙi ga buckling. Koyaya, bangon radial mai faɗi shima yana ƙara haɗarin tsangwama tare da gidaje ko shaft yayin da bazara ta faɗaɗa radially yayin matsawa. Wannan fadada $\Delta OD$ dole ne a lissafta don amfani da kimanin $\Delta OD = 0.02 imes ext{Deflection} imes N$ don gujewa 'daure' a cikin bore.
