A wind-static stability analysis method for parallel double-width bridges
A stability analysis and static wind technology, applied in instrumentation, geometric CAD, design optimization/simulation, etc., can solve problems such as static wind instability of parallel double-width bridges and bridge safety
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[0035] The present invention will be further explained below in conjunction with the accompanying drawings and specific embodiments. The embodiments described in the present invention are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, other embodiments obtained by persons of ordinary skill in the art without making creative efforts all fall within the protection scope of the present invention.
[0036] The present invention comprises mutually parallel upstream bridge and downstream bridge, comprises the following steps:
[0037] 1), based on computational fluid dynamics technology (numerical wind tunnel) or wind tunnel test (physical wind tunnel), the three-component force coefficients of the upstream and downstream bridge girder sections are identified, and the three-component force coefficients include drag coefficient, lift coefficient and lift coefficient. Moment coefficient, such as figure 2 sh...
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