Accession Number : AD0489746

Title :   APPROXIMATE CONSTITUTIVE EQUATIONS FOR THE SHORT-TIME BEHAVIOR OF NONLINEAR VISCOELASTIC MATERIALS.

Descriptive Note : Interim technical rept.,

Corporate Author : CALIFORNIA UNIV BERKELEY STRUCTURAL ENGINEERING LAB

Personal Author(s) : Lubliner,J.

Report Date : SEP 1966

Pagination or Media Count : 11

Abstract : An approximation for nonlinear viscoelasticity over short time ranges, recently published by Huang and Lee, is extended to include large deformations and simplified by the dropping of insignificant terms. An alternative approximation for short times is developed systematically as the counterpart to Coleman and Noll's approximation for slow deformations. This method is applied to the study of acceleration waves. (Author)

Descriptors :   (*MECHANICAL WAVES, *VISCOELASTICITY), WAVE PROPAGATION, NONLINEAR SYSTEMS, MATHEMATICAL MODELS, APPROXIMATION(MATHEMATICS), EQUATIONS, DEFORMATION, STRESSES, SHOCK WAVES, ACCELERATION, RESPONSE, TIME, MECHANICAL WAVES

Subject Categories : Metallurgy and Metallography
      Numerical Mathematics
      Mechanics

Distribution Statement : APPROVED FOR PUBLIC RELEASE