Parcourir par sujet "finite elements"
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An assessment of two fundamental flat triangular shell elements with drilling rotations
(2000)An approach for adding drilling rotations to the constant strain triangle, such that the added rotation stiffness contributes a minimum to the strain energy of the triangle is presented. The element is combined with a ... -
Denting of internally pressurized tubes under lateral loads
(2006)The present work examines the structural response of tubular members subjected to lateral quasi-static loading, imposed by wedge-shaped denting devices, in the presence of internal pressure. First, tubes are modeled with ... -
Finite element analysis of Volterra dislocations in anisotropic crystals: A thermal analogue
(2007)The present work gives a systematic and rigorous implementation of Volterra dislocations in ordinary two-dimensional finite elements using the thermal analogue and the integral representation of dislocations through the ... -
Finite element method in plane Cosserat elasticity
(2002)A displacement and rotation based finite element method for the solution of boundary value problems in linear isotropic Cosserat elasticity is proposed. The field equations for the problem of plane strain are derived from ... -
Mixed finite element formulations of strain-gradient elasticity problems
(2002)Theories on intrinsic or material length scales find applications in the modeling of size-dependent phenomena. In elasticity, length scales enter the constitutive equations through the elastic strain energy function, which, ... -
Risk analysis of industrial structures under extreme transient loads
(2004)A modular analysis package is assembled for assessing risk in typical industrial structural units such as steel storage tanks, due to extreme transient loads that are produced either as a result of chemical explosions in ...