Definitions
Weighted residual methods (WRMs) are methods for solving partial differential equations (PDEs). The approximate solution is represented as a finite series of linearly independent basis functions and obtained by minimizing an integral error. Weighted residual methods allow to derive the classical approximation methods, i.e., finite difference methods (FDMs), finite element methods (FEMs), and boundary element methods (BEMs).
Basic Definitions and Classification of Approximate Methods
Physical phenomena and processes are typically described by equations, particularly by partial differential equations (Debnath, 2012; Formaggia et al., 2012; Salsa, 2008). Various solution strategies are suggested in the literature to solve such equations or systems of equations (Bartels, 2016; Formaggia et al., 2012; Le Dret and Lucquin, 2016). In engineering practice, the finite element method...
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Öchsner, A. (2018). Weighted Residual Methods for Finite Elements. In: Altenbach, H., Öchsner, A. (eds) Encyclopedia of Continuum Mechanics. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-53605-6_20-1
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DOI: https://doi.org/10.1007/978-3-662-53605-6_20-1
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