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Guerreiro, J.N.C.; Loula, A.F.D.; Galeao, A.C.N.R.
Laboratorio de Computacao Cientifica, Rio de Janeiro (Brazil)1980
Laboratorio de Computacao Cientifica, Rio de Janeiro (Brazil)1980
AbstractAbstract
[en] The problem of the high energy pipe-whip, assuming an elastic-plastic behavior for the tube material and taking in account the internal pressure, is studied. The constraints are simulated as bilinear springs and viscous dampers. A general research, based on the finite element method was developed to analyse the phenomenon. The influence of the following parameters: gap, damping coefficient, stiffness, constraints positioning and internal pressure of the tube is studied. (Author)
[pt]
O problema do chicoteamento em tubulacoes de alta energia (pipe-whip) e estudado, admitindo-se um comportamento elasto-plastico para o material do tubo, e levando-se em conta o efeito da pressao interna. As restricoes sao simuladas como molas bilineares e amortecedores viscosos. Um programa geral, baseado no metodo dos elementos finitos, foi desenvolvido para analise do fenomeno. A influencia dos parametros: 'gap', coeficiente de amortecimento, rigidez, posicionamento da restricao e pressao interna do tubo, e estudada. (Autor)Original Title
Estudo da influencia de parametros do chicoteamento de tubulacao; Gap, damping factor, stiffness, constraints, positioning and internal pressure
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1980; 12 p
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