Is there a func' for ideal x-section area in a resonant beam?

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SUMMARY

The discussion focuses on the calculation of the ideal cross-sectional area taper in a longitudinal harmonic resonant beam. It establishes that the taper must occur from the fixed end to the most mobile end or from the center node to the ends (antinodes). A formula is provided for calculating the rate of taper based on material elastic modulus and frequency, specifically F = k/x, where F represents frequency, k is the spring constant, and x is the distance from the node. This formula is essential for understanding the dynamics of resonant beams in relation to their cross-sectional area.

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  • Understanding of longitudinal harmonic resonance
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  • Familiarity with spring constant concepts
  • Basic principles of simple harmonic motion (SHM)
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Engineers, physicists, and students studying mechanical vibrations and resonant systems will benefit from this discussion, particularly those focused on optimizing beam design and performance in engineering applications.

silverslith
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Obviously it has to taper from the fixed end to the most mobile one. Or from the centre (node) of a symmetrical one to the ends (antinodes).

Talking about longatudinal harmonic resonance only here.

Ideally the static instants at full compression or tension would give a constant percentage length change from unloaded along the rod.

Does it follow that at any giventime, a point X distance from the node, has Velocity and acceleration: both proportional to X or am I confused?

I'm pretty sure this is an integration of shm mass/spring systems or somesuch.

Is there a formula that emerges for the rate of taper of the crossectional area for a given material elastic modulus and frequency?
 
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Yes, there is a formula that can be used to calculate the rate of taper of the cross-sectional area based on the given material elastic modulus and frequency. The formula is F = k/x, where F is the frequency, k is the spring constant, and x is the distance from the node. This formula can be used to calculate the rate of taper of the cross-sectional area.
 

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