Please use this identifier to cite or link to this item:
http://hdl.handle.net/2122/4314
DC Field | Value | Language |
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dc.contributor.authorall | Casula, G.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Bologna, Bologna, Italia | en |
dc.contributor.authorall | Carcione, J. M.; Istituto Nazionale di Oceanografia e di Geofisica Sperimentale - OGS - Trieste - Italia | en |
dc.date.accessioned | 2008-11-26T08:00:28Z | en |
dc.date.available | 2008-11-26T08:00:28Z | en |
dc.date.issued | 1992-12 | en |
dc.identifier.uri | http://hdl.handle.net/2122/4314 | en |
dc.description.abstract | abstract - The description of wave propagation by a viscoelastic rheology allows for the introduction of two important phenomena: wave dissipation, i.e., the conversion of motion into heat, and velocity dispersion, the phenomenon in which two different Fourier components travel with different velocities. In this work, we consider a mechanical representation of viscoleastic media, which in virtue of its simplicity constitues a useful tool to model the variety of dissipation mechanisms present in real media. Examples of simulated wavefields in these type of media can be found, for instance, in the works of Carcione et al. (1988a,b), where the equations are based on the standard linear solid model. Here we analyze in detail the physical properties and capabilities of different mechanical models, and give some hints to obtain realistic models of attenuation and velocity dispersion; for example, the constant Q phenomenon and the set of relaxation peaks over a given frequency band. | en |
dc.language.iso | English | en |
dc.relation.ispartof | Bollettino di Geofisica Teorica ed Applicata | en |
dc.relation.ispartofseries | Vol. XXXIV - N. 136 | en |
dc.subject | Rheology | en |
dc.subject | Wave Propagation | en |
dc.subject | viscoelastic Behaviour | en |
dc.subject | Linear standard Models | en |
dc.title | Generalized Mechanical Model Analogies of Linear Viscoelastic Behaviour | en |
dc.type | article | en |
dc.description.status | Published | en |
dc.type.QualityControl | Peer-reviewed | en |
dc.description.pagenumber | 235-256 | en |
dc.subject.INGV | 04. Solid Earth::04.01. Earth Interior::04.01.05. Rheology | en |
dc.description.obiettivoSpecifico | 3.3. Geodinamica e struttura dell'interno della Terra | en |
dc.description.journalType | N/A or not JCR | en |
dc.description.fulltext | reserved | en |
dc.contributor.author | Casula, G. | en |
dc.contributor.author | Carcione, J. M. | en |
dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia, Sezione Bologna, Bologna, Italia | en |
dc.contributor.department | Istituto Nazionale di Oceanografia e di Geofisica Sperimentale - OGS - Trieste - Italia | en |
item.openairetype | article | - |
item.cerifentitytype | Publications | - |
item.languageiso639-1 | en | - |
item.grantfulltext | restricted | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.fulltext | With Fulltext | - |
crisitem.author.dept | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Bologna, Bologna, Italia | - |
crisitem.author.orcid | 0000-0001-7934-2019 | - |
crisitem.author.orcid | 0000-0002-2839-705X | - |
crisitem.author.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
crisitem.classification.parent | 04. Solid Earth | - |
crisitem.department.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
Appears in Collections: | Article published / in press |
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Casula_BGTA_1992.pdf | article | 545.99 kB | Adobe PDF |
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