Engineering Computations: Volume 14 Issue 1

Compressibility effects in modelling turbulent high speed mixing layers

Cheryl L. Sellers, Suresh Chandra

For high speed shear layers, variable density extensions of standard incompressible turbulence models have not proved to be adequate in explaining the experimentally observed…

Accuracy and stability for integration of Jaumann stress rate equations in spinning bodies

Sanjay Govindjee

Analyses several algorithms for the integration of the Jaumann stress rate. Places emphasis on accuracy and stability of standard algorithms available in commercial and government…

Automated solution procedures for negotiating abrupt non‐linearities and branch points

Amit Dutta, Donald W. White

In the inelastic stability analysis of plated structures, incremental‐iterative finite element methods sometimes encounter prohibitive solution difficulties in the vicinity of…

A CDM‐based computational model for the Timoshenko beam

A.M. Shazali, K. Rahman, M.H. El‐Boghdadi, S.F. Taher, M.H. Baluch

Focuses on a finite element computational model for the Timoshenko beam which is idealized as an elasto‐plastic‐damage medium governed by Lemaitre’s continuum damage mechanics…

On the increase of computational algorithm efficiency for elasto‐plastic shell analysis

J. Sorić, U. Montag, W.B. Krätzig

Presents a robust and unconditionally stable return‐mapping algorithm based on the discrete counterpart of the principle of maximum plastic dissipation. Develops the explicit…

Efficiency of refinement procedures for the p‐version of the adaptive finite element method

M. Papadrakakis, G. Babilis, P. Braouzi

Presents an efficiency study of different refinement procedures for the p‐version of the adaptive finite element method in two‐dimensional elasticity problems. The refinement…

Error estimation for natural frequency analysis using plate elements

D.B. Stephen, G.P. Steven

In computing eigenvalues for a large finite element system, it has been observed that the eigenvalue extractors produce eigenvectors that are in some sense more accurate than…

Error estimation in finite element transient dynamic analysis using modal superposition

A. Dutta, C.V. Ramakrishnan

Presents a method of obtaining an optimal mesh in the finite element analysis of two‐dimensional linear elastodynamic problems under transient dynamic loading, which is based on a…

Intersection curves of surfaces

J.F. Stelzer

Deals with the development of algorithms to calculate the penetration curves of intersecting bodies. Although starting from ideas of a finite element environment where such…