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Images are allowed provided they are relevant to mechanical engineering or the the posted topic.Īll school/university related items please see Engineering Students 'How do I do this' posts will be removed unless it's clear sufficient thought has already been given to the problem. 'Design this for me' posts will be removed. These will be evaluated on a 'per-post' basis. For a hollow circle, the polar moment of inertia is given by J (R - R)/2, where R is the inner radius. The moment ( dT ) on the circular ring is given by equation 16.3 ( A ). For a solid circular section, use the polar moment of inertia formula J R/2, where R is the radius, and J is the polar moment of inertia.

(No direct links to product websites) If you'd like to discuss a particular product please do so in a self post.Īll low effort posts will be removed. EXPRESSION FOR TORQUE IN TERMS OF POLAR MOMENT OF INERTIA Polar moment of inertia. Keep all posts and comments constructive and good natured. Read the side bar and all rules before posting. Threads related to current projects (home or work), discussion threads, best practices, and everything in between are more than welcome. The gathering place for mechanical engineers to discuss current technology, methods, jobs, and anything else related to mechanical engineering.įeel free to share anything you feel is relevant. For a solid circular section, use the polar moment of inertia formula J R/2, where R is the radius, and J is the polar moment of inertia.
