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Context. The Event Horizon Telescope (EHT) collaboration released in 2019 the first horizon-scale images of a black hole accretion flow, opening a novel route for plasma physics comprehension and gravitational tests. Alt...
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The dynamic interaction between the high speed train and the railway track and in particularly, on the contact loads between the wheels and the rail, are very hard to evaluate experimentally. The numerical simulation is ...
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The present paper makes use of methods from theory of ductile fracture, which was developed to prevent catastrophic failures of steel vessels, for example gas pipelines. A number of structures are made of porous material...