DSpace UNL

Faculdade de Ciências e Tecnologia (FCT) >
FCT Departamentos >
FCT: Departamento de Engenharia Civil >
FCT: DEC - Documentos de conferências internacionais >

Please use this identifier to cite or link to this item: http://hdl.handle.net/10362/4292

Autor: Dimitrovová, Zuzana
Palavras-chave: Post-processing techniques, Darcy’s flow, Stoke’s flow, Free boundary flows, Mesolevel analysis, Capillary pressure, Liquid composite molding.
Issue Date: 16-Nov-2010
Resumo: Reliable flow simulation software is inevitable to determine an optimal injection strategy in Liquid Composite Molding processes. Several methodologies can be implemented into standard software in order to reduce CPU time. Post-processing techniques might be one of them. Post-processing a finite element solution is a well-known procedure, which consists in a recalculation of the originally obtained quantities such that the rate of convergence increases without the need for expensive remeshing techniques. Post-processing is especially effective in problems where better accuracy is required for derivatives of nodal variables in regions where Dirichlet essential boundary condition is imposed strongly. In previous works influence of smoothness of non-homogeneous Dirichlet condition, imposed on smooth front was examined. However, usually quite a non-smooth boundary is obtained at each time step of the infiltration process due to discretization. Then direct application of post-processing techniques does not improve final results as expected. The new contribution of this paper lies in improvement of the standard methodology. Improved results clearly show that the recalculated flow front is closer to the ”exact” one, is smoother that the previous one and it improves local disturbances of the “exact” solution.
URI: http://hdl.handle.net/10362/4292
Appears in Collections:FCT: DEC - Documentos de conferências internacionais

Files in This Item:

File Description SizeFormat
ECCM-2006_artigo.pdf272,46 kBAdobe PDFView/Open

Please give feedback about this item
FacebookTwitterDeliciousLinkedInDiggGoogle BookmarksMySpace
Formato BibTex MendeleyEndnote Logotipo do DeGóis 

Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.


Universidade Nova de Lisboa  - Feedback
Promotores do RCAAP   Financiadores do RCAAP

Fundação para a Ciência e a Tecnologia Universidade do Minho   Governo Português Ministério da Educação e Ciência PO Sociedade do Conhecimento (POSC) Portal oficial da União Europeia