Published 1982
| Version v1
Miscellaneous
Finite elements for non-linear analysis of pipelines
Creators
- 1. Rio de Janeiro Univ. (Brazil). Coordenacao dos Programas de Pos-graduacao de Engenharia
Description
The application of a three-dimensional lagrangian formulation for the great dislocations analysis and great rotation of pipelines systems is studied. This formulation is derived from the soil mechanics and take into account the shear stress effects. Two finite element models are implemented. The first, of right axis, uses as interpolation functions the conventional gantry functions, defined in relation to mobile coordinates. The second, of curve axis and variable cross sections, is obtained from the degeneration of the three-dimensional isoparametric element, and uses as interpolation functions third degree polynomials. (E.G.)
Abstract (Portuguese)
Estuda-se a aplicacao de uma formulacao lagrangeana tridimensional para a analise de grandes deslocamentos e grandes rotacoes de sistemas de tubulacoes. Esta formulacao e derivada da mecanica dos solidos e leva em consideracao os efeitos do esforco cortante. Dois modelos de elementos finitos sao implementados. O primeiro, de eixo reto, utiliza como funcoes de interpolacao as funcoes convencionais de portico, definidas em relacao a coordenadas moveis. O segundo, de eixo curvo e secao transversal variavel, e resultante da degeneracao do elemento isoparametrico tridimensional e utiliza como funcoes de interpolacao polinomios do terceiro grau. (Autor)Additional details
Additional titles
- Original title (Portuguese)
- Elementos finitos para a analise nao-linear de tubulacoes
Publishing Information
- Imprint Title
- Proceedings of the 2. Brazilian Symposium on Pipes and Pressure Vessels. V. 1, 2
- Imprint Pagination
- 643 p.
- Journal Page Range
- p. 251-271.
- Report number
- INIS-BR--173
Conference
- Title
- 2. Brazilian Symposium on Pipes and Pressure Vessels.
- Dates
- 24-26 Nov 1982.
- Place
- Salvador, BA (Brazil).
INIS
- Country of Publication
- Brazil
- Country of Input or Organization
- Brazil
- INIS RN
- 15067925
- Subject category
- S22: GENERAL STUDIES OF NUCLEAR REACTORS;
- Resource subtype / Literary indicator
- Conference
- Descriptors DEI
- FINITE ELEMENT METHOD; PIPES; STRESS ANALYSIS; THREE-DIMENSIONAL CALCULATIONS
- Descriptors DEC
- NUMERICAL SOLUTION
Optional Information
- Notes
- Imprint:Anais do 2. Simposio Brasileiro sobre Tubulacoes e Vasos de Pressao. V. 1, 2.