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Abstract

The distribution of earthquake foci around the Hornsund fiord, south Spitsbergen, suggest the presence in this region of a micronode of geotectonic structures, exhibiting moderate dynamic activity. Dislocation description was applied to the processes of motion of the glacier and crack formation. Long-period seismic waves generated by the glacier-substratum dynamic system and impulses generates by icebergs seated on the sea bottom have been discussed.

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Authors and Affiliations

Marek Górski
Roman Teisseyre
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Abstract

The second part of the paper presents finite-dimensional models of linear elastic, elastic-strain hardening, elastic-perfectly plastic

and rigid-perfectly plastic structures. These models can be seen as a result of discretisation procedure applied to the models of solids derived in the Part I. The implications of sub-dividing degrees of freedom into those with prescribed external forces and those with given displacements are discussed. It is pointed out that the dual energy principles given in this part of the paper can serve as a direct basis for numerical computations.

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Authors and Affiliations

A. Borkowski

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