Vanishing viscosity for hemivariational inequalities modeling dynamic problems in elasticity

2007 ◽  
Vol 66 (8) ◽  
pp. 1840-1852 ◽  
Author(s):  
Stanisław Migórski ◽  
Anna Ochal
Keyword(s):  
Hemivariational Inequalities ◽  
Dynamic Problems ◽  
Vanishing Viscosity

Interlayer Slip and Delamination Effect: A Hemivariational Inequality Approach

1987 ◽  
Vol 11 (1) ◽  
pp. 43-52 ◽  
Author(s):  
P.D. Panagiotopoulos ◽  
E.K. Koltsakis
Keyword(s):  
Point Method ◽  
Hemivariational Inequality ◽  
Hemivariational Inequalities ◽  
Interface Conditions ◽  
Numerical Treatment ◽  
Dynamic Problems ◽  
Elastic Structures ◽  
Numerical Examples ◽  
Interlayer Slip ◽  
Regularisation Method

In the present paper we formulate hemivariational inequalities describing the interlayer slip and delamination effect in elastic structures. After the formulation of the interface conditions which are of a nonmonotone multivalued nature, we derive hemivariational inequalities for the static and dynamic problems. Further some methods for the numerical treatment of the problems are given (regularisation method and substationarity-point method). Two numerical examples concerning simple adhesively connected elastic structures are given to illustrate the theory.

Variational-hemivariational inverse problem for electro-elastic unilateral frictional contact problem

2020 ◽  
Vol 0 (0) ◽  
Author(s):  
Othmane Baiz ◽  
Hicham Benaissa ◽  
Zakaria Faiz ◽  
Driss El Moutawakil
Keyword(s):  
Inverse Problem ◽  
Inverse Problems ◽  
Contact Problem ◽  
Existence And Uniqueness ◽  
Frictional Contact ◽  
Hemivariational Inequalities ◽  
Frictional Contact Problem ◽  
Uniqueness Of A Solution

AbstractIn the present paper, we study inverse problems for a class of nonlinear hemivariational inequalities. We prove the existence and uniqueness of a solution to inverse problems. Finally, we introduce an inverse problem for an electro-elastic frictional contact problem to illustrate our results.

Applications of computers to aircraft dynamic problems

1953 ◽  
Author(s):  
B. Hall ◽  
R. Ruthrauff ◽  
D. Dill
Keyword(s):  
Dynamic Problems
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