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Some Recognitions Obtained by Software EVAL-7

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The relaxed strains determined by computer simulation of hole-drilling process were evaluated by different methods included in software EVAL-7 (SINT Technology). The relative errors of residual stresses were compared on conditions of elastic stress field and on condition of small plasticity in the area of strain gauge rosette. Applicability of the rule “principal stress smaller than 0.5 of the yield stress” was discussed.

Zbytková napětí získaná počítačovou simulací odvrtávací metody byla vyhodnocena různými metodami, které jsou obsaženy v programu EVAL-7 (SINT Technology). Relativní chyby zbytkových napětí byly srovnány za podmínek elastických napětí a podmínky malé plastické oblasti v místě tenzometrické růžice. Byla diskutována použitelnost pravidla "hlavních napětí menších než 0,5 násobek meze kluzu".

The relaxed strains determined by computer simulation of hole-drilling process were evaluated by different methods included in software EVAL-7 (SINT Technology). The relative errors of residual stresses were compared on conditions of elastic stress field and on condition of small plasticity in the area of strain gauge rosette. Applicability of the rule “principal stress smaller than 0.5 of the yield stress” was discussed.

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01.06.2015

978-80-01-05734-6

215–216

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