Accession Number:

AD0633776

Title:

STRESSES IN AN ELASTIC-PLASTIC HALF-SPACE DUE TO A SUPERSEISMIC STEP LOAD

Descriptive Note:

Technical rept.

Corporate Author:

WEIDLINGER ASSOCIATES NEW YORK

Personal Author(s):

Report Date:

1966-03-01

Pagination or Media Count:

73.0

Abstract:

The plane strain problem of a step load moving with uniform superseismic velocity V c sub P on the surface of a half-space is considered for an elastic -plastic material obeying the von Mises yield condition. Using dimensional analysis the governing quasi-linear partial differential equations are converted into ordinary nonlinear differential which are solved numerically using a digital computer. To overcome computing difficulties asymptotic solutions are derived in the vicinity of a singular point of the differential equations. Numerical results are presented for a range of selected values of significant nondimensional parameters, i.e. of the surface load p sub ok, of Poissons ratio nu and of the velocity ratio Vc sub P.

Subject Categories:

  • Mechanics

Distribution Statement:

APPROVED FOR PUBLIC RELEASE