in this study, an extended stress-based forming limit diagram (fld) for prediction of necking based on the marciniak and kucznski (m-k) model is represented and applied in tube hydroforming. the bulge forming of a straight tube is simulated by finite element method and verified with published experimental data. this adaptive simulation technique is based on the ability to detect the onset and g...

Abstract. An implicit non-linear finite element (FE) numerical procedure for the simulation of biological muscular tissues is presented. The method has been developed for studying the motion of muscular hydrostats, such as squid and octopus arms and its general framework is applicable to other muscular tissues. The FE framework considered is suitable for the dynamic numerical simulations of thr...

Computation electromagnetic is an important research field of electromagnetic fields and microwave technology subjects. In this paper, the scaled boundary finite element method (SBFEM) is extended to solve one type of electromagnetic field problems-electrostatic field problems. Based on Laplace equation of electrostatic field, the derivations and solutions of SBFEM equations for both bounded an...

in this study, focuses on applying the hp-version for forward modeling. the eit forward solver is normally based on the conventional finite element method (hfem). in h-fem, the polynomial order p of the element shape functions is constant and the element size h, is decreased. to accurately simulate the forward solution with the hfem, a mesh with large number of nodes and elements is usually need...

The use of Discrete Element Methods (DEM) to investigate mechanical properties of geomaterials is growing fast and their applications in geotechnics have become almost systematic. Behind the generic name of DEM, different formulations exist and this paper focuses on recent developments in the Molecular Dynamics and Contact Dynamics-based approaches. After reviewing their formulation, a summary ...

The purpose of this research is to obtain an estimation of behavior of an elastic body based on errorneous observations. To do this, the ensemble Kalman filter finite element method is used. In numerical study, a three dimensional elastic body is considered. The Iwatayama tunnel is employed. This construction site is located in Gifu prefecture, in Japan. The external force is applied to the tun...

BACKGROUND Surgical orthopedic treatment of the mandible depends on the development of techniques resulting in adequate healing processes. In a new technical and conceptual alternative recently introduced by Puricelli, osteotomy is performed in a more distal region, next to the mental foramen. The method results in an increased area of bone contact, resulting in larger sliding rates among bone ...

This work deals with the modeling and the numerical simulation of quantum transport in multidimensional open nanoscale devices. The electron transport in the device is described using the Non-Equilibrium Green’s Functions (NEGF) formalism and the variational form of the problem is solved using the finite element method (FEM). In this approach, the derivation of the boundary conditions at the in...

Element Method Henrique F. Bucher, Luiz C. Wrobel, Webe J. Mansur and Carlos Magluta Center For Computational Research, State University of New York at Buffalo, 9 Norton Hall, UB North Campus, Buffalo, NY, 14260, USA ([email protected]) 2 Department of Mechanical Engineering, Brunel University, Uxbridge UB8 3PH, Middlesex, UK ([email protected]) Department of Civil Engineering, COPPE/F...