Impact response of a cracked soft ferromagnetic medium (Q1072798)
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scientific article; zbMATH DE number 3943260
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Impact response of a cracked soft ferromagnetic medium |
scientific article; zbMATH DE number 3943260 |
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Impact response of a cracked soft ferromagnetic medium (English)
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1985
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A solution is given for the problem of an infinite soft ferromagnetic solid containing a central crack subjected to normal impact load. The solid is permeated by a uniform magnetostatic field normal to the crack surface. Laplace and Fourier transforms are employed to reduce the transient problem to the solution of integral equations in the Laplace transformed plane. A numerical Laplace inversion technique is used to compute the values of the dynamic stress-intensity factor, and the results are compared with the corresponding elastodynamic values to reveal the influence of magnetic field on the dynamic stress-intensity factor. The dynamic stress intensity factor is found to increase with increasing values of the magnetic field.
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infinite soft ferromagnetic solid
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central crack
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normal impact load
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uniform magnetostatic field normal to the crack surface
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Laplace and Fourier transforms
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transient problem
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solution of integral equations in the Laplace transformed plane
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numerical Laplace inversion technique
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dynamic stress-intensity factor
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0.8776523
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0.86796623
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0.8674203
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0.8615836
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0.8609679
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0.85544187
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0.8531748
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