Sökning: onr:"swepub:oai:DiVA.org:hj-15834" > Adaptive strategies...
Fältnamn | Indikatorer | Metadata |
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000 | 03041naa a2200409 4500 | |
001 | oai:DiVA.org:hj-15834 | |
003 | SwePub | |
008 | 110816s2004 | |||||||||||000 ||eng| | |
009 | oai:research.chalmers.se:9b5c5c26-0e1d-4f84-bbc2-21a04dad5d66 | |
024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-158342 URI |
024 | 7 | a https://doi.org/10.1002/nme.10072 DOI |
024 | 7 | a https://research.chalmers.se/publication/37052 URI |
040 | a (SwePub)hjd (SwePub)cth | |
041 | a engb eng | |
042 | 9 SwePub | |
072 | 7 | a ref2 swepub-contenttype |
072 | 7 | a art2 swepub-publicationtype |
100 | 1 | a Heintz, Per,d 1975u Chalmers University of Technology,Chalmers tekniska högskola4 aut0 (Swepub:cth)perhei |
245 | 1 0 | a Adaptive strategies and error control for computing material forces in fracture mechanics |
264 | c 2004-06-08 | |
264 | 1 | b Wiley,c 2004 |
338 | a print2 rdacarrier | |
520 | a The concept of material forces pertains to a variation of the inverse motion map while the placement field is kept fixed. From the weak formulation of the self-equilibrating Eshelby (material) stress tensor it turns out that the classical J-integral formulations in fracture mechanics are just special cases due to the choice of particular weight functions. In this contribution, we discuss a posteriori error control of the material forces as part of an adaptive strategy to reduce the discretization error to an acceptable level. The data of the dual problem involves the quite non-conventional tangent stiffness of the (material) Eshelby stress tensor with respect to a variation of the (physical) strain field. The suggested strategy is applied to the common fracture mechanics problem of a single-edged crack, whereby different strategies for computing the J-integral are compared. We also consider the case in which the crack edges are not parallel, i.e. a notch. | |
650 | 7 | a TEKNIK OCH TEKNOLOGIERx Maskinteknik0 (SwePub)2032 hsv//swe |
650 | 7 | a ENGINEERING AND TECHNOLOGYx Mechanical Engineering0 (SwePub)2032 hsv//eng |
653 | a adaptivity | |
653 | a error control | |
653 | a material forces | |
653 | a fracture mechanics | |
700 | 1 | a Larsson, Fredrik,d 1975u Chalmers University of Technology,Chalmers tekniska högskola4 aut0 (Swepub:cth)lafr |
700 | 1 | a Hansbo, Peteru Jönköping University,JTH. Forskningsmiljö Produktutveckling - Simulering och optimering,Chalmers tekniska högskola,Chalmers University of Technology4 aut0 (Swepub:cth)hansbo |
700 | 1 | a Runesson, Kenneth,d 1948u Chalmers University of Technology,Chalmers tekniska högskola4 aut0 (Swepub:cth)keru |
710 | 2 | a Chalmers University of Technologyb Chalmers tekniska högskola4 org |
773 | 0 | t International Journal for Numerical Methods in Engineeringd : Wileyg 60:7, s. 1287-1299q 60:7<1287-1299x 0029-5981x 1097-0207 |
856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-15834 |
856 | 4 8 | u https://doi.org/10.1002/nme.1007 |
856 | 4 8 | u https://research.chalmers.se/publication/3705 |
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