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DIY & Tutorials
DIY For Audio
Phase 2 - Building the Beast
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<blockquote data-quote="Timber_MG" data-source="post: 314073" data-attributes="member: 18"><p>Ian, I disagree with your take on the bracing topology.</p><p></p><p>Other than the mechanical attachment to the shelves being open to question, this topology of bracing adds a lot of stiffness to the construction. By reducing the mean panel length of the shelves and spacing structural members further apart compared to the same timber along the outer panels, the stiffness is improved markedly. Bracing is not only there for reducing panel flex between braces, but also in stiffening the brace structure itself and in this function the braces further inside the boxes are stiffer (second moment of inertia). This is found a lot in bridge design for example. The panel modes could be further reduced by adding a shelf to the side panel of course.</p></blockquote><p></p>
[QUOTE="Timber_MG, post: 314073, member: 18"] Ian, I disagree with your take on the bracing topology. Other than the mechanical attachment to the shelves being open to question, this topology of bracing adds a lot of stiffness to the construction. By reducing the mean panel length of the shelves and spacing structural members further apart compared to the same timber along the outer panels, the stiffness is improved markedly. Bracing is not only there for reducing panel flex between braces, but also in stiffening the brace structure itself and in this function the braces further inside the boxes are stiffer (second moment of inertia). This is found a lot in bridge design for example. The panel modes could be further reduced by adding a shelf to the side panel of course. [/QUOTE]
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DIY & Tutorials
DIY For Audio
Phase 2 - Building the Beast
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