Accession Number:

ADA106147

Title:

Large Deformations Near the Tips of an Interface-Crack between Two Neo-Hookean Sheets

Descriptive Note:

Technical rept.

Corporate Author:

CALIFORNIA INST OF TECH PASADENA DIV OF ENGINEERING AND APPLIED SCIENCE

Personal Author(s):

• Knowles, J. K.
• Sternberg, Eli

Report Date:

1981-09-01

Pagination or Media Count:

73.0

Abstract:

This paper contains an asymptotic investigation - within the nonlinear theory of elastostatic plane stress - of the deformations and stresses near the tips of a traction-free interface-crack between two dissimilar semi- infinite Neo-Hookean sheets. The results obtained are free of oscillatory singularities of the kind predicted by the linearized theory, which would require the two deformed faces of an interface-crack to overlap in the vicinity of its tips. Instead, the crack is found to open smoothly near its ends, regardless of the specific loading at infinity.

Descriptors:

• *ELASTIC PROPERTIES
• *CRACK PROPAGATION
• *ASYMPTOTIC NORMALITY
• STRESSES
• INTERFACES
• BOUNDARY VALUE PROBLEMS
• NONLINEAR ANALYSIS
• STATICS
• OSCILLATION
• LEADING EDGES
• FRACTURE(MECHANICS)
• LOADS(FORCES)
• DEFORMATION

Subject Categories:

• Mechanics

Distribution Statement:

APPROVED FOR PUBLIC RELEASE