art/data/vocabulary.md

Rheology Vocabulary

Maintained term list. Feeds BM25 keyword expansion (v0.5) and prompt context.

Core rheological quantities

• viscosity, dynamic viscosity, kinematic viscosity
• shear rate, shear stress, normal stress, normal stress difference
• storage modulus G', loss modulus G'', complex modulus G*
• loss tangent tan(delta), phase angle
• viscoelasticity, linear viscoelastic regime (LVR)
• creep, creep compliance, stress relaxation
• relaxation time, relaxation spectrum, retardation time
• yield stress, static yield stress, dynamic yield stress
• flow curve, Newtonian plateau, non-Newtonian

Flow behavior

• shear thinning, shear thickening
• discontinuous shear thickening (DST), continuous shear thickening (CST)
• thixotropy, rheopexy, anti-thixotropy
• jamming, jamming transition
• plug flow, slip, wall slip
• steady-state flow, transient flow, startup flow, cessation of flow

Constitutive models

• Maxwell model, Kelvin-Voigt model, Jeffreys model
• Oldroyd-B, Giesekus, FENE-P
• Bingham model, Herschel-Bulkley, Casson model
• Cross model, Carreau model, Bird-Carreau
• Doi-Edwards, reptation

Suspension and colloidal systems

• hard-sphere suspension, charged colloid
• volume fraction phi, packing fraction
• Peclet number (Pe), Stokes number
• hydrodynamic interactions, lubrication force
• frictional contact, frictionless contact
• microstructure, pair distribution function g(r)
• colloidal gel, arrested state, percolation
• depletion interaction, depletion flocculation
• DLVO theory, electrostatic double layer
• Hamaker constant, van der Waals force

Microrheology

• passive microrheology, active microrheology
• mean squared displacement (MSD)
• generalized Stokes-Einstein relation (GSER)
• one-point microrheology, two-point microrheology
• optical tweezers, magnetic tweezers
• diffusing wave spectroscopy (DWS), dynamic light scattering (DLS)
• tracer particle, probe particle

Experimental techniques

• rotational rheometer, cone-and-plate, parallel plate
• Couette geometry, Taylor-Couette flow
• capillary rheometer, slit rheometer
• small-amplitude oscillatory shear (SAOS), large-amplitude oscillatory shear (LAOS)
• strain sweep, frequency sweep, temperature sweep
• rheo-NMR, rheo-SANS, rheo-SAXS, rheo-microscopy
• particle image velocimetry (PIV), confocal microscopy

Polymer rheology

• entanglement, entanglement molecular weight Me
• Rouse model, Zimm model, reptation, tube model
• plateau modulus GN0, terminal relaxation
• polydispersity, molecular weight distribution
• star polymer, ring polymer, branched polymer

Interfacial and emulsion rheology

• interfacial rheology, surface viscosity, surface elasticity
• Marangoni effect, surfactant
• emulsion, droplet size distribution, coalescence
• Pickering emulsion, particle-stabilized emulsion
• foam, foam drainage, bubble coarsening

Active and biological matter

• active matter, self-propulsion, motility
• active gel, cytoskeletal network
• biopolymer, actin, microtubule, collagen
• cell mechanics, extracellular matrix (ECM)

Friction and contact mechanics

• lubrication-to-friction transition, shear jamming, Wyart-Cates model
• sliding friction, rolling friction, sticky friction, dynamic bonds
• surface roughness, asperity, contact mechanics
• tribology, nanotribology, lateral force microscopy, colloidal probe

Data-driven rheology

• machine learning, neural network, physics-informed neural network (PINN)
• rheology-informed neural network (RhINN), symbolic regression
• constitutive model discovery, surrogate model, Gaussian process
• graph neural network, Bayesian inference

LLMs and retrieval

• large language model (LLM), small language model, open-weight model, local model
• Ollama, quantization, context window, num_ctx
• retrieval-augmented generation (RAG), dense retrieval, BM25, hybrid retrieval
• cross-encoder, re-ranking, embedding, semantic search
• structured output, JSON schema, schema drift, hallucination, grounding, citation
• AI tutor, chatbot, generative AI, physics education, engineering education