Numerical study of the stress-deformed state of rock during explosive fracture (Q2759350)
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scientific article; zbMATH DE number 1681765
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Numerical study of the stress-deformed state of rock during explosive fracture |
scientific article; zbMATH DE number 1681765 |
Statements
12 December 2001
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stress-strain state
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mining rock solid mass
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explosive fracture
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finite element method
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charge
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initial boundary value problem
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Numerical study of the stress-deformed state of rock during explosive fracture (English)
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The paper presents a numerical investigation of the dynamic stress-strain state of elastic-perfectly plastic porous semi-infinite medium. The corresponding initial boundary value problem is stated for the free-stress upper boundary and the matching conditions for stresses and displacements at the interface between the embedded charge and medium. The 2-D plane and axisymmetric problems are considered. The problems are solved by a modified finite element method. The numerical results for distribution of stresses, pressures and velocities are presented.
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