Hutchinson–Rice–Rosengren singularity in fracture mechanics

E912868

The Hutchinson–Rice–Rosengren singularity in fracture mechanics is a fundamental asymptotic solution describing the near-tip stress and strain fields of a crack in elastic–plastic materials under small-scale yielding conditions.

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Statements (48)

Predicate Object
instanceOf HRR field ⓘ
asymptotic solution in fracture mechanics ⓘ
elastic–plastic crack-tip field ⓘ
appliesTo elastic–plastic materials ⓘ
mode I crack loading ⓘ
plane strain conditions ⓘ
plane stress conditions ⓘ
small-scale yielding conditions ⓘ
characterizes singular strain field at a crack tip ⓘ
singular stress field at a crack tip ⓘ
dependsOn J-integral magnitude ⓘ
strain hardening exponent ⓘ
yield strength of the material ⓘ
describes near-tip strain fields of a crack ⓘ
near-tip stress fields of a crack ⓘ
fieldBehavior singularity order depends on hardening exponent ⓘ
stresses and strains scale with J and radial distance ⓘ
fieldType J-dominant field ⓘ
asymptotic crack-tip field ⓘ
generalizes linear elastic K-field to elastic–plastic behavior ⓘ
hasAssumption deformation theory or incremental theory of plasticity ⓘ
dominant plastic zone is small compared with structural dimensions ⓘ
material obeys power-law hardening ⓘ
hasComponent angular functions describing stress distribution ⓘ
radial power-law dependence of stress and strain ⓘ
hasFeature path-independent J-integral as loading parameter ⓘ
hasLimitation assumes monotonic loading or proportional loading ⓘ
valid only within J-dominant region near crack tip ⓘ
hasMathematicalForm power-law singularity in radial distance from crack tip ⓘ
influenced development of elastic–plastic fracture mechanics standards ⓘ
namedAfter James R. Rice NERFINISHED ⓘ
John W. Hutchinson ⓘ
Lars Rosengren ⓘ
relatedConcept HRR strain field ⓘ
HRR stress field ⓘ
J-integral fracture parameter ⓘ
crack-tip opening displacement ⓘ
relatesTo J-controlled crack growth ⓘ
ductile fracture ⓘ
finite element modeling of crack-tip fields ⓘ
nonlinear fracture mechanics ⓘ
usedFor benchmarking numerical solutions of crack-tip fields ⓘ
calibration of fracture toughness tests in ductile materials ⓘ
estimating crack-tip constraint in elastic–plastic materials ⓘ
interpreting J–R resistance curves ⓘ
usedIn assessment of ductile tearing in pressure vessels ⓘ
structural integrity analysis of pipelines ⓘ
usesParameter J-integral ⓘ

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John W. Hutchinson → knownFor → Hutchinson–Rice–Rosengren singularity in fracture mechanics ⓘ