Abstract
The development of an improved degenerated shell element is presented. The displacement field of the new element is formed by adding the nonconforming displacement mode selectively. In the formulation of the element stiffness, three techniques were combined: 1. (1) an enhanced interpolation of transverse shear strains in the natural coordinate system was used to overcome the shear locking problem; 2. (2) the reduced integration technique in in-plane strains was used to avoid the membrane locking behavior; and 3. (3) the nonconforming displacement modes were added selectively to improve the element performances. To examine the performance of the improved degenerated shell element, some benchmark problems are solved by this element. Numerical results indicate that the new element gives fast convergence and reliable solutions. This element is also free of serious shear/membrane locking problems and undesirable compatible/commutable spurious kinematic deformation modes.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
