... Licensed re-use rights only Error estimation Adaptivity Finite elements Primal and dual problems Elasto-plasticity Forwards-in-time dual-solver Deutsche Forschungsgemeinschaft MA 1979/30-2 http://dx.doi.org/10.13039/501100001659 Funding: This work was supported...

...Thaileng Oeng; Pisey Keo; Samy Guezouli; Mohammed Hjiaj Purpose This article presents a geometrically non-linear finite element formulation for the analysis of planar two-layer beam-columns taking into account the inter-layer slip and uplift. Design/methodology/approach The co-rotational...

... are formulated from explicit integration techniques, whereas the present study uses a semi-implicit approach to enhance stability. In addition, the proposed stress integration algorithms provide an efficient means to solve boundary value problems pertaining to geotechnical engineering. Finite elements...

... the cartilage that surrounds the bones forming interlocking star shaped bones. Design/methodology/approach The aim of this work is to assess the mechanical behavior of four finite element models varying the type of formulation as follows: linear-reduced integration, linear-full integration, quadratic...

... in industrial analysis still appears quite marginal. This is partly due to its implementation, which is not straightforward with respect to the elementary structure of finite element (FE) codes. This often discourages industrial engineers from adopting isogeometric capabilities in their well-established...

... be very unlikely. This is the main reason why this paper aims to calculate an effective thermal conductivity for a multi-scale heterogeneous medium. Design/methodology/approach The methodology integrates the theory of reiterated homogenization with the finite element method, leading to a renewed...

... © Emerald Publishing Limited 2018 Emerald Publishing Limited Licensed re-use rights only Finite elements Acoustic waves Nonlinear fluid Petrov–Galerkin approach Viscous dusty plasma Petrov–Galerkin formulation Langmuir (1928) proposed that electrons, ions and neutrals...

... and straight. STM avoids particle-tracking problems and allows simple formulae to evaluate stresses resulting from the constitutive equation. For the temperature field, a finite-element method is carried out to solve the energy equation in the real domain. Findings – The approach avoids numerical...

... – The developed finite element simulator uses a co-rotational Bernoulli beam element, an explicit time integration scheme and an explicit contact algorithm. The numerical results show that the simulator is stable and provides consistent solutions. Practical implications – During the drilling of oil wells...

... are at most 50 percent higher than those of the closed wall. Rainald Löhner can be contacted at: rlohner@gmu.edu © Emerald Group Publishing Limited 2012 Design Architecture Hazard prevention in buildings Blast mitigation Shock-structure interaction CFD Finite elements Numerical...

... at the constitutive level will be augmented by the axial plane‐strain compression test in order to illustrate the effect of the third invariant at the structural level of finite element analysis. This section deals with the influence of the shape of the loading surface in the deviatoric plane on the algorithmic...

...Jaroslav Mackerle This paper gives a bibliographical review of the finite element and boundary element parallel processing techniques from the theoretical and application points of view. Topics include: theory – domain decomposition/partitioning, load balancing, parallel solvers/algorithms...

..., but the current scheme appears to work quite well on warped meshes. © MCB UP Limited 2003 Finite elements Mesh Contact problems Lately, a number of investigators (Dohrmann et al., 2000 ; Park and Felippa, 2002 ; Wohlmuth, 2001) have looked at new methods for connecting...

... in plane stress structures and got acceptable results. Finite elements Numerical analysis Structures σ₁, σ₂, σ₃=principal stresses σ_x, σ_y...

..., coupling factor N, and micropolar elastic constants in accordance with the micropolar elastic restrictions, a 2‐D triangular finite element formulation including an extra degree of freedom was derived on the basis of Eringen's micropolar elasticity theory by using a linear triangular element. The effects...

...Jaroslav Mackerle This paper gives a bibliographical review of the finite element methods (FEMs) applied for the linear and nonlinear, static and dynamic analyses of basic structural elements from the theoretical as well as practical points of view. The bibliography at the end of the paper contains...

...Sven Klinkel; Sanjay Govindjee In this paper an interface is derived between arbitrary three‐dimensional material laws and finite elements which include special stress conditions. The mechanical models of beams and shells are usually based upon zero‐stress conditions. This requires a material law...

... is employed to establish the appropriate filtering scheme and the proper accuracy tolerance. The suggested system allows for nonlinear finite element static and dynamic analysis of sophisticated infilled reinforced concrete frames. Sensitivity analysis is undertaken to check the suitability of the proposed...

...Jaroslav Mackerle Gives a bibliographical review of the finite element meshing and remeshing from the theoretical as well as practical points of view. Topics such as adaptive techniques for meshing and remeshing, parallel processing in the finite element modelling, etc. are also included...

... a fully algorithmic approach, since he did not utilize a formal mathematical optimization technique. In it a fundamental shape satisfying all the design conditions is first defined and then modified based on the stress obtained by carrying out a finite element analysis. The study treated two‐dimensional...