Mechanics And Fluid Dynamics
34 entries in the Mechanics And Fluid Dynamics compendium.
Displacement (geometry)Vector representing shortest distance and direction of motion.Elastic collisionCollision where total kinetic energy is conserved.Equations for a falling bodyEquations describing motion under constant gravitational acceleration.Euler equations (fluid dynamics)Partial differential equations governing adiabatic and inviscid fluid flow.Euler–Lagrange equationEquations whose solutions are stationary points of an action functional.Fictitious forceA force arising from acceleration of the observer's reference frame.Finite strain theoryFramework for large deformations where infinitesimal strain assumptions fail.Flow measurementQuantification of bulk fluid movement using various flowmeters.Flow velocityVector field describing fluid motion at each point and time.Flow visualizationTechnique to visualize otherwise invisible fluid flow patterns.FluidA substance that flows and deforms under shear stress.Force field (physics)A vector field representing non-contact forces on particles.Fracture toughnessMaterial property quantifying resistance to crack propagation.Free body diagramGraphical tool for visualizing forces and reactions on a body.Free fallMotion under only gravity, producing uniform acceleration and weightlessness.Free surface effectA mechanism causing watercraft instability from moving liquids in partially filled compartGalilean invarianceLaws of motion are identical in all inertial frames.Galilean transformationTransforms coordinates between frames in uniform relative motion.Generalized coordinatesParameters that uniquely define a system's configuration in configuration space.Hagen–Poiseuille equationLaw for pressure drop in laminar pipe flow.Hamiltonian mechanicsReformulation of Lagrangian mechanics using generalized momenta.Homogeneity (physics)Uniformity of properties at every point in a system.Hydrostatic equilibriumCondition where gravity and pressure forces balance in a fluid.HydrostaticsBranch of fluid mechanics studying fluids at rest.HysteresisHistory-dependent behavior observed across many natural and artificial systems.Impact (mechanics)Impact is a high-force collision over a short duration.Incompressible flowFlow where material density remains constant over time.Inelastic collisionCollision where kinetic energy is not conserved due to internal friction.InstabilityInstability describes systems where perturbations grow without bounds.Jerk (physics)Jerk is the rate of change of acceleration over time.Kelvin's circulation theoremCirculation around a material contour remains constant in ideal flow.Kepler problemInverse-square central force problem in classical mechanics.Lagrangian mechanicsAlternate formulation of classical mechanics using energy.Laminar flowSmooth, layered fluid motion without mixing or eddies.
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