Consideration of damping of oscillations in a viscoelastic medium in numerical methods of solving dynamic problems of elasticity theory

1988 ◽  
Vol 22 (6) ◽  
pp. 334-338
Author(s):  
V. N. Lombardo
Keyword(s):  
Numerical Methods ◽  
Elasticity Theory ◽  
Viscoelastic Medium ◽  
Dynamic Problems

New analysis of holophotoelastic patterns and their application

1976 ◽  
Vol 11 (1) ◽  
pp. 11-17 ◽  
Author(s):  
J Ebbeni ◽  
J Coenen ◽  
A Hermanne
Keyword(s):  
Numerical Methods ◽  
Dynamic Problems ◽  
Principal Stresses ◽  
Optical Elements ◽  
New Type ◽  
The Difference ◽  
Fringe Patterns

This paper shows that by the use of a new type of diffuser it is possible in photo-holoelasticimetry, without any addition of optical elements or particular preparation of the specimen, to record simultaneously but separately fringe patterns respectively related to the sum and the difference of the principal stresses. The value of intensity of the interfering light reaching the hologram plate is established and hence the equations of the recorded pseudoisopachic fringe patterns are given. Used successfully for the study of particular static problems, where numerical methods are very difficult or impossible, the present interferometer is also suited for dynamic problems.

scholarly journals BOUNDARY-VALUE-ELEMENT PROCEDURE OF THREE-DIMENSIONAL NON-STEADY DYNAMIC PROBLEMS OF ELASTICITY THEORY AND VISCO-ELASTICITY

2005 ◽  
Vol 67 (1) ◽  
pp. 91-101
Author(s):  
L.A. Igumnov ◽  
◽  
A.A. Belov ◽  
A.A. Anufriev ◽  
S.Yu. Litvinchuk ◽  
...  
Keyword(s):  
Elasticity Theory ◽  
Boundary Value ◽  
Three Dimensional ◽  
Dynamic Problems

scholarly journals Numerical simulation of the stress-strain state of a coal seam caused by an explosion of a blast-hole charge with an annular gap

2019 ◽  
Vol 221 ◽  
pp. 01053 ◽  
Author(s):  
Iwan Shipovskii ◽  
Vladimir Odintsev
Keyword(s):  
Numerical Simulation ◽  
Computer Simulation ◽  
Numerical Methods ◽  
Strain State ◽  
Blast Hole ◽  
Dynamic Problems ◽  
Deformable Solid ◽  
Annular Gap ◽  
Hole Charge ◽  
Induced Defects

The computer simulation of the propagation of a blast wave generated by various explosives is carried out. The simulation used numerical methods to solve dynamic problems in the mechanics of a deformable solid, which allow one to investigate the development of waves during the explosion of charges of various shapes at different speeds of detonation of explosives and various conditions of placement of charges in the hole. The novelty of the research is related to analysis of conditions for the formation of a tensile pulse, which determines the opening of natural and induced defects in a zone remote from the explosion (from 20 to 100 radii of charge), which is known as the zone of explosive pre-fracture.

Vortex motions of solid media in dynamic problems of the elasticity theory

1999 ◽  
Vol 72 (4) ◽  
pp. 776-784
Author(s):  
V. A. Andrushchenko ◽  
V. A. Goloveshkin ◽  
N. N. Kholin
Keyword(s):  
Elasticity Theory ◽  
Dynamic Problems ◽  
Solid Media
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