At the conceptual design stage, it is critical to use appropriate structural analysis and optimization methods. The thin-walled beam transfer matrix method (TBTMM) adopted establish mathematical model of simplified vehicle body-in-white (BIW) structure in this paper compare with results finite element (S-FEM) verify approach. In addition, on basis boundary simulation genetic algorithm (BSGA) lo...

Abstract--L-shaped beams subjected to pure elastic-plastic bending are investigated thoroughly. The shifting and rotating of the neutral axis of the beam during bending and springback after unloading are described mathematically, while the curvatures of the beam before and after springback are given. The method proposed in this paper is valuable both to the further theoretical studies of the as...

The measurement of glucose is of great importance in clinical diagnosis. This is especially essential for the continuous monitoring for example in a patient suffering from diabetes mellitus which is caused by the high levels of glucose in human physiological fluid. Even though many research have been done for glucose measurement, there are still many research in progress to develop new methods ...

Elastic-plastic behavior of a beam made of functionally graded material is investigated in this work‎. ‎The beam is subjected to the constant axial and bending loads and the critical values of these loads for yield‎, ‎collapse and elastic-plastic conditions are obtained‎. ‎The variation of elastic modulus and yield strength through the height of the beam is determined with an exponential rule‎....

This research presents a new beam finite element capable of predicting static and dynamic behavior structures with bending-torsion coupling. The model here derived establishes relation between the bending torsional nodal degree freedom two node element. equilibrium equations are neglecting non-linear terms while stiffness mass matrices Galerkin’s method. shape functions obtained considering Tim...

Abstract--Simplified procedures for finite-deformation analyses of space frames, using one beam clement to model each member of the frame, are presented. Each element can undergo three-dimensional. arbitrarily large, rigid motions as well as moderately large non-rigid rotations. Bach element can withstand three moments and three forces. The nonlinear bending-stretching coupling in each element ...

Reinforced concrete horizontally curved beams are extensively used in many fields, such as in the construction of modern highway intersections, elevated freeways, the rounded corners of buildings, circular balconies,....etc. In some of these cases, large depths are needed for curved beams in order to resist high loads or to fulfill some aesthetic purposes. The analytical analysis of such member...

Laser forming is a modern process which is mainly used for forming metals. Different Lasers are used in this regard that includes Nd: YAG and CO2. In this study, forming bi-layer sheets of Aluminum/Ceramic by Laser was investigated. Furthermore, effect of Uniform and Gaussian heat flux distribution in different power, velocity, and beam diameters on bending angle was studied. FEM simulation ind...

There are different finite element models in place for predicting the bending behavior of shear deformable beams and plates. Mostly, the literature abounds with traditional equi-spaced Langrange based low order finite element approximations using displacement formulations. However, the finite element models of Timoshenko beams and Mindlin plates with linear interpolation of all generalized disp...