About: Analysis of the Hole Drilling Method Principle Used for the Residual Stress Identification

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Principles of current theories applied for the hole drilling method evaluation of residual stresses were tested by beams in bending. It was shown that considerable differences exist between the stress state estimated by the hole-drilling method and the real stress state. 3D numerical models of the beams in bending and tension were created and the principle of hole-drilling methods was tested. It was shown that the basic base function used in the current theory for definition of the radial strain around the drilled hole can not describe the stress distribution accurately. Therefore new basis functions were suggested and tested. When developing this new method for more general applications, we defined suitable base functions for specific diameters of the hole and for specific materials characterized by Young's modulus of elasticity E and Poisson's ratio Mi. Principles of current theories applied for the hole drilling method evaluation of residual stresses were tested by beams in bending. It was shown that considerable differences exist between the stress state estimated by the hole-drilling method and the real stress state. 3D numerical models of the beams in bending and tension were created and the principle of hole-drilling methods was tested. It was shown that the basic base function used in the current theory for definition of the radial strain around the drilled hole can not describe the stress distribution accurately. Therefore new basis functions were suggested and tested. When developing this new method for more general applications, we defined suitable base functions for specific diameters of the hole and for specific materials characterized by Young's modulus of elasticity E and Poisson's ratio Mi. (en) Teorie odvrtávací metody pro identifikaci reziduálních napětí je formulována mezinárodně užívanou normou ASTM E837 , která zahrnuje pro ideální centrický vrtaný otvor tabulky cejchovacích konstant pokrývající typy vyráběných růžic, kde vyhodnocení signálů růžic probíhá podle teorie založené na Kirchově desce. Numerickými simulacemi odvrtávacího principu jsme poukázali na velkou citlivost vrtaného otvoru na jeho imperfekce, zejména jeho excentricitu vůči středu odvrtávací růžice. (cs)
Title	Analýza odvrtávacího principu z hlediska identifikace zbytkové napjatosti (cs) Analysis of the Hole Drilling Method Principle Used for the Residual Stress Identification Analysis of the Hole Drilling Method Principle Used for the Residual Stress Identification (en)
skos:prefLabel	Analýza odvrtávacího principu z hlediska identifikace zbytkové napjatosti (cs) Analysis of the Hole Drilling Method Principle Used for the Residual Stress Identification Analysis of the Hole Drilling Method Principle Used for the Residual Stress Identification (en)
skos:notation	RIV/68407700:21220/04:02101096!RIV/2005/GA0/212205/N
http://linked.open.../vavai/riv/strany	644 ; 645
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GA106/02/0612)
http://linked.open...vai/riv/dodaniDat	2005
http://linked.open...aciTvurceVysledku	Vítek, Karel Mareš, Tomáš Kolman, Radek Holý, Stanislav Španiel, Miroslav Doubrava, Karel
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	České vysoké učení technické v Praze / Fakulta strojní
http://linked.open...dnocenehoVysledku	554298
http://linked.open...ai/riv/idVysledku	RIV/68407700:21220/04:02101096
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Hole Drilling Principle; Rezidual Stress (en)
http://linked.open.../riv/klicoveSlovo	Hole Drilling Principle Rezidual Stress
http://linked.open...ontrolniKodProRIV	[D5D16D4F7D0E]
http://linked.open...v/mistoKonaniAkce	Praha
http://linked.open...i/riv/mistoVydani	Praha
http://linked.open...i/riv/nazevZdroje	Proceedings of Workshop 2004
http://linked.open...in/vavai/riv/obor	JL
http://linked.open...ichTvurcuVysledku	6 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Optimization of a forming process of thick-walled tubes and components in view of residual stresses and strains
http://linked.open...UplatneniVysledku	2004
http://linked.open...iv/tvurceVysledku	Mareš, Tomáš Španiel, Miroslav Kolman, Radek Vítek, Karel Doubrava, Karel Holý, Stanislav
http://linked.open...vavai/riv/typAkce	EUR - Evropská
http://linked.open.../riv/zahajeniAkce	2004-03-22 (xsd:date)
number of pages	2 (xsd:int)
http://purl.org/ne...btex#hasPublisher	České vysoké učení technické v Praze
https://schema.org/isbn	80-01-02945-X
http://localhost/t...ganizacniJednotka	21220

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