A nodally exact scheme is derived for a model equation in 1D involving zeroth and second-order terms. The method is derived using residual-free bubbles in conjunction with the Galerkin approximation. It is shown that this approach leads to the mass lumping scheme for sufficiently small mesh sizes
Franca, L., Russo, A. (1997). Mass lumping emanating from residual-free bubbles. COMPUTER METHODS IN APPLIED MECHANICS AND ENGINEERING, 142(3-4), 353-360 [10.1016/S0045-7825(96)01137-1].
Mass lumping emanating from residual-free bubbles
Russo, A
1997
Abstract
A nodally exact scheme is derived for a model equation in 1D involving zeroth and second-order terms. The method is derived using residual-free bubbles in conjunction with the Galerkin approximation. It is shown that this approach leads to the mass lumping scheme for sufficiently small mesh sizes
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