- #1
Moment of inertia - curved flat bar
- Thread starter Bearcat_w
- Start date
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Discussion Overview
The discussion revolves around calculating the moment of inertia for a formed flat bar with a uniform curve. Participants explore various methods and resources for deriving or estimating the moment of inertia, including references to specific editions of Roark's Formulas for Stress and Strain.
Discussion Character
- Homework-related
- Technical explanation
- Debate/contested
Main Points Raised
- One participant expresses difficulty in calculating the moment of inertia for a curved flat bar and seeks assistance.
- Another participant suggests that the problem may be a homework question and points to Roark's Formulas as a potential resource for the solution.
- A participant confirms that their edition of Roark's includes the relevant information, while another mentions that their edition lacks it.
- One participant questions whether the section is thick or thin and proposes that calculus could be used to determine the moment of inertia.
- Another participant suggests using integration to find the moment of inertia due to the curvature, while also recommending a rough estimate using a rectangular cross-section formula.
- A link to an external webpage is provided for further information on area moment of inertia.
Areas of Agreement / Disagreement
Participants do not reach a consensus on the best method to calculate the moment of inertia, with multiple approaches and resources being suggested. There is also uncertainty regarding the applicability of different editions of Roark's Formulas.
Contextual Notes
Some assumptions about the geometry of the bar and the nature of the section (thick vs. thin) remain unresolved. The discussion includes references to specific mathematical methods and resources without establishing a definitive approach.
