Matches in SemOpenAlex for { <https://semopenalex.org/work/W2319006543> ?p ?o ?g. }
Showing items 1 to 69 of
69
with 100 items per page.
- W2319006543 endingPage "4" @default.
- W2319006543 startingPage "1" @default.
- W2319006543 abstract "Self-demagnetisation is commonly ignored in magnetic modelling of geometrically complex mineral exploration targets. With conventional methods the level of accepted mismatch between the observed magnetic field and the calculated magnetic field governs the degree of modelled complexity. Where the target bodies possess low magnetic susceptibilities, the effect of self-demagnetisation is negligible and as such conventional numerical calculation methods give satisfactory results even with geometrically complex models. However, in cases where target bodies possess high magnetic susceptibilities, self-demagnetisation effects have a significant influence on the observed magnetic field. If the geometry of the modelled body is complex, the fact that the self-demagnetising field can only be calculated exactly for an equivalent ellipsoid may lead to significant errors in its numerical interpretation.This paper proposes a new generalised iterative three-dimensional numerical modelling routine that allows for detailed modelling of geometrically complex target bodies possessing high magnetic susceptibilities. The modelling routine also allows for a magnetic field that varies spatially due to the effects of self-demagnetisation. This is done by segmenting the model into a three-dimensional matrix of spheres and repeatedly calculating the magnetic field at the center of each sphere. Each iteration of the modelling routine consists of a two-pass calculation of the magnetic field for each sphere. The first pass calculates the magnetic field at the centre of each sphere for a given inducing magnetic field (e.g. IGRF) with respect to the surrounding spheres. The second pass calculates the magnetic field at the centre of each sphere (using the resultant magnetic field from the first pass), where the sphere is considered to be in free-space. Each iteration uses the resultant magnetic field from the previous iteration as the inducing magnetic field. For simple models the added contribution from magnetic interaction with the surrounding voxels becomes negligible after approximately four (4) iterations. The number of iterations required for convergence increases with increasing complexity of the model." @default.
- W2319006543 created "2016-06-24" @default.
- W2319006543 creator A5058503693 @default.
- W2319006543 creator A5068764724 @default.
- W2319006543 creator A5081265214 @default.
- W2319006543 date "2001-12-01" @default.
- W2319006543 modified "2023-10-16" @default.
- W2319006543 title "Iterative Forward Magnetic Modelling with Corrections for Self-Demagnetisation" @default.
- W2319006543 cites W566240195 @default.
- W2319006543 doi "https://doi.org/10.1071/aseg2001ab113" @default.
- W2319006543 hasPublicationYear "2001" @default.
- W2319006543 type Work @default.
- W2319006543 sameAs 2319006543 @default.
- W2319006543 citedByCount "1" @default.
- W2319006543 countsByYear W23190065432019 @default.
- W2319006543 crossrefType "journal-article" @default.
- W2319006543 hasAuthorship W2319006543A5058503693 @default.
- W2319006543 hasAuthorship W2319006543A5068764724 @default.
- W2319006543 hasAuthorship W2319006543A5081265214 @default.
- W2319006543 hasBestOaLocation W23190065431 @default.
- W2319006543 hasConcept C102988692 @default.
- W2319006543 hasConcept C108411613 @default.
- W2319006543 hasConcept C115260700 @default.
- W2319006543 hasConcept C121332964 @default.
- W2319006543 hasConcept C1276947 @default.
- W2319006543 hasConcept C188841122 @default.
- W2319006543 hasConcept C202444582 @default.
- W2319006543 hasConcept C2524010 @default.
- W2319006543 hasConcept C33923547 @default.
- W2319006543 hasConcept C57489055 @default.
- W2319006543 hasConcept C62520636 @default.
- W2319006543 hasConcept C72422203 @default.
- W2319006543 hasConcept C95390329 @default.
- W2319006543 hasConcept C9652623 @default.
- W2319006543 hasConceptScore W2319006543C102988692 @default.
- W2319006543 hasConceptScore W2319006543C108411613 @default.
- W2319006543 hasConceptScore W2319006543C115260700 @default.
- W2319006543 hasConceptScore W2319006543C121332964 @default.
- W2319006543 hasConceptScore W2319006543C1276947 @default.
- W2319006543 hasConceptScore W2319006543C188841122 @default.
- W2319006543 hasConceptScore W2319006543C202444582 @default.
- W2319006543 hasConceptScore W2319006543C2524010 @default.
- W2319006543 hasConceptScore W2319006543C33923547 @default.
- W2319006543 hasConceptScore W2319006543C57489055 @default.
- W2319006543 hasConceptScore W2319006543C62520636 @default.
- W2319006543 hasConceptScore W2319006543C72422203 @default.
- W2319006543 hasConceptScore W2319006543C95390329 @default.
- W2319006543 hasConceptScore W2319006543C9652623 @default.
- W2319006543 hasIssue "1" @default.
- W2319006543 hasLocation W23190065431 @default.
- W2319006543 hasOpenAccess W2319006543 @default.
- W2319006543 hasPrimaryLocation W23190065431 @default.
- W2319006543 hasRelatedWork W1553186082 @default.
- W2319006543 hasRelatedWork W2120598601 @default.
- W2319006543 hasRelatedWork W2175686992 @default.
- W2319006543 hasRelatedWork W2180694020 @default.
- W2319006543 hasRelatedWork W2891071562 @default.
- W2319006543 hasRelatedWork W2950342571 @default.
- W2319006543 hasRelatedWork W3144297381 @default.
- W2319006543 hasRelatedWork W3213868288 @default.
- W2319006543 hasRelatedWork W4288770071 @default.
- W2319006543 hasRelatedWork W2528469171 @default.
- W2319006543 hasVolume "2001" @default.
- W2319006543 isParatext "false" @default.
- W2319006543 isRetracted "false" @default.
- W2319006543 magId "2319006543" @default.
- W2319006543 workType "article" @default.