An unsymmetric 4-node, 8-DOF plane membrane element perfectly breaking through MacNeal's theorem

2015 ◽  
Vol 103 (7) ◽  
pp. 469-500 ◽  
Author(s):  
Song Cen ◽  
Pei-Lei Zhou ◽  
Chen-Feng Li ◽  
Cheng-Jin Wu
Keyword(s):  
Membrane Element ◽  
Plane Membrane

Finite Element Analysis of 2-D Structures by New Strain Based Triangular Element

2018 ◽  
Vol 35 (3) ◽  
pp. 305-313 ◽  
Author(s):  
C. Rebiai
Keyword(s):  
Dynamic Analysis ◽  
Degrees Of Freedom ◽  
Numerical Solutions ◽  
Time Integration ◽  
Triangular Element ◽  
Membrane Element ◽  
Lumped Mass ◽  
Element Analysis ◽  
Benchmark Tests ◽  
Three Degrees Of Freedom

ABSTRACTIn this investigation, a new simple triangular strain based membrane element with drilling rotation for 2-D structures analysis is proposed. This new numerical model can be used for linear and dynamic analysis. The triangular element is named SBTE and it has three nodes with three degrees of freedom at each node. The displacements field of this element is based on the assumed functions for the various strains satisfying the compatibility equations. This developed element passed both patch and benchmark tests in the case of bending and shear problems. For the dynamic analysis, lumped mass with implicit/explicit time integration are employed. The obtained numerical results using the developed element converge toward the analytical and numerical solutions in both analyses.

Post-mortem examination combined with one-time chemical cleaning of fouled flat sheet PVDF-based membrane element used in MBR for TiO2 particle separation

2021 ◽  
Vol 230 ◽  
pp. 136-154
Author(s):  
Kayode Hassan Lasisi ◽  
Fang Fang ◽  
Kaisong Zhang ◽  
Temitope Fausat Ajibade ◽  
Weihao Yao ◽  
...  
Keyword(s):  
Particle Separation ◽  
Tio2 Particle ◽  
Post Mortem ◽  
Membrane Element ◽  
Chemical Cleaning ◽  
Post Mortem Examination ◽  
Flat Sheet
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