The hub pages below are curated indexes. Each one gathers the Vibrationdata articles on a single subject — tutorials, worked examples, field measurements, and failure case studies — into one annotated page, so that a topic can be followed end to end rather than chased through the blog archive.
- Beam & Column Structural Dynamics Hub — Natural frequencies, mode shapes, and stability of beams, columns, and slender members, including the effect of axial load on frequency.
- Bridge Dynamics, Vibration & Structural Integrity Hub — Vehicle and pedestrian loading, modal testing, bearings and boundary conditions, structural health monitoring, and fatigue of bridge structures.
- Earthquake Engineering Hub — Ground motion characterization, response spectra, seismic qualification of structures and equipment, and post-event damage investigations.
- Multiaxial Fatigue Analysis Hub — Critical plane methods, equivalent stress criteria, and damage accumulation for components under combined and non-proportional loading.
- Pyrotechnic Shock Resource Hub — Ordnance shock sources, shock response spectra, attenuation across joints and distance, specification derivation, and component testing.
- Residual Stresses Hub — Origins of residual stress, measurement methods including hole drilling, and the effect of compressive treatments on fatigue and crack growth.
- Spacecraft Structural Dynamics & Environmental Testing Resource Hub — Launch environments, coupled loads, jitter and microvibration, force limiting, and the qualification test campaign from component through observatory.
- Turbofan Engine Sound, Vibration & Structural Dynamics — Engine materials and fatigue, blade-out and unbalance events, flight incident case studies, and empirical cabin and community noise measurements.
- Wind Turbine, Fatigue & Structural Dynamics — Rotor and tower dynamics, blade design trade-offs, load spectra and fatigue life, and structural failure investigations.