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sci.seismic-wave-velocity-density Calculator
Calculates seismic velocity from elastic moduli and density: Vp from P-wave modulus (K+4G/3)/ρ, and Vs from shear modulus G/ρ. Vp in granite: 5.5–6.0 km/s; limestone: 3–7 km/s; loose sand: 0.2–0.6 km/s — velocity contrast between layers generates seismic reflections used in subsurface imaging.
Inputs
Rho Kg M3
Mass per unit volume (kg/m³). Water: 1,000. Air: 1.225. Steel: 7,850. Affects buoyancy, flow, and structural loads.
K Gpa
Reference formula or conversion factor shown for context.
G Gpa
Reference formula or conversion factor shown for context.
Results
P-wave velocity Vp (m/s)
Reference formula or conversion factor shown for context.
S-wave velocity Vs (m/s)
Reference formula or conversion factor shown for context.
Vp/Vs ratio
The proportional relationship between two quantities.
Poisson ratio ν (from Vp/Vs)
The proportional relationship between two quantities.
Vp = √((K + 4G/3)/ρ)
Reference formula or conversion factor shown for context.
rock interpretation
Qualitative summary of what the computed numbers mean in practical terms.