Long Span Bridge Sectional Aeroelastic Wind Tunnel Testing

Wind tunnel test of a sectional model has becoming popular in long span bridge design processes. It is convenient to analyze the bridge deck aeroelastic behavior. The model is simple in structure, hence it can reduce the wind tunnel test cost accordingly, compare to full model. However, the model geometrical shape as well as structural dynamic properties... Continue Reading →

Structure and Machine Natural Frequency

Every machine and structure has  natural frequencies . if machines and structures are designed correctly, these natural frequencies will not affect the operation or reliability of the machines. In reality, however, a wide variety of fault condition are either caused by, or are affected by natural frequencies. It really is important to  understand what they... Continue Reading →

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