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VARIATIONAL DIFFERENCE SCHEME STABILITY FOR LINEAR AXISYMMETRIC ELASTICITY

Yu.A. Bondarenko, V.I. Selin
VANT. Ser.: Mat. Mod. Fiz. Proc 1994. Вып.3. С. 65-77.

      The generation of multiparameter finite-difference CREST schemes using sequential variational method for isotropic elasticity at rectangular meshes is described. Stability and conservation of momentum and total energy are proved. Nonstability is discovered in linear analog of a well-known Wilkins scheme.










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