Abstract
In previous research, a simple finite-element method using simultaneous relaxation of velocity and the Bernoulli function was presented to simulate three-dimensional flow prblems. In the present paper, this scheme is expanded to consider heat convection problems. In order to reduce the computational storage, coefficient matrices are calculated by simple integration formulas for an eightnode isoparametric element. Natural convection in horizontal concentric annuli is calculated to certify the scheme. The present method is stable in heat convection analysis and the numerical results agree well with the experimental results.
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