Viscoelastic analysis of bonded connections
Abstract
Analysis of bonded configurations is made difficult because of the thin adhesive layer and the stress singularities which exist at the edges of bonded configurations at the bimaterial interfaces. This paper is concerned with the use of lap joint theories with regard to viscoelastic analysis of adhesively bonded configurations. Viscoelastic analyses of adhesively bonded joints were performed using the Laplace transform technique. The inverse transforms were obtained numerically. The results have become the benchmark against which other numerical results are compared. In this analysis, control parameters are set to exactly duplicate the assumptions of the earlier work. The analysis is advanced with time using the RungeKutta integration formula in a direct integration procedure. The direct integration procedure has the advantage that it is computationally simple, has minimal storage requirements, and requires very little programming effort to transform an elastic analysis algorithm into a viscoelastic analysis algorithm. The results obtained with the finite element analysis algorithm described are effectively identical to those of the earlier work.
 Publication:

13th Canadian Congress of Applied Mechanics
 Pub Date:
 May 1991
 Bibcode:
 1991ccam.proc..184C
 Keywords:

 Adhesive Bonding;
 Algorithms;
 Finite Element Method;
 Lap Joints;
 Mathematical Models;
 Viscoelasticity;
 Integral Calculus;
 RungeKutta Method;
 Structural Mechanics