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The Wilson and Taylor elements Q6 and QM6, the representative nonconforming finite element method (FEM), have been successfully
developed and implemented in the finite element code SAP for improved displacement and stress analysis. This paper formulates
an improved convergent nonconforming axisymmetric element AQM6 over the corresponding axisymmetric Q6 and QM6 elements. The
proposed modified nonconforming axisymmetric element AQM6 satisfies the engineering patch test condition for convergence,
and also meets the condition for suppression of spurious shear stress by using a special remedying procedure. The numerical
test results are in agreement with the element performance.
Project supported by CAO Guangbiao High-Tech F. of Zhejiang Univ. (No. U19902), Zhejiang Edu. Committee SRF for Outstanding
Returned Overseas Scholars (No. G59990), US NSF (No. DDM-9313204) and Seiko Epson-Rutgers Univ. Project (No. 4-27365). 相似文献