http://iaeme.com/Home/journal/IJCIET 646 [email protected] International Journal of Civil Engineering and Technology (IJCIET) Volume 8, Issue 5, May 2017, pp.646–656, Article ID: IJCIET_08_05_072 Available online at http://iaeme.com/Home/issue/IJCIET?Volume=8&Issue=5 ISSN Print: 0976-6308 and ISSN Online: 0976-6316 © IAEME Publication Scopus Indexed FINITE ELEMENT MODELING OF BEAM WITH EIGHT NODED BRICK ELEMENT USING MATLAB R R Mandal P.G. Scholar, Department of Civil Engineering, National Institute of Technology, Raipur, India. U K Dewangan Professor & Head Department of Civil Engineering, National Institute of Technology, Raipur, India. ABSTRACT This paper presents a finite element formulation for eight noded brick element and its performance on beam member. A MATLAB code is developed to find the deflection at the nodal points using eight noded brick element. It was found that in case of flexural model on beam member, the standard linear eight noded brick element has given poor results due to the missing of higher order shape function. Therefore, the above eight noded brick element was modified further in this work using the incompatible element. It was observed that the use of incompatible element gives better and accurate results in the flexural behaviour of beam member. To illustrate the above development, an example of cantilever beam is presented here which is subjected to an axial tensile and a vertical concentrated load at the free end. The results obtained from MATLAB using incompatible element is compared with STAAD Pro and ANSYS software. This paper suggests the use of incompatible element for beam member. Key words: Eight noded brick element, Finite element modeling, Flexure, Incompatible element, MATLAB. Cite this Article: R R Mandal and U K Dewangan Finite Element Modeling of Beam with Eight Noded Brick Element Using Matlab. International Journal of Civil Engineering and Technology, 8(5), 2017, pp. 646–656. http://iaeme.com/Home/issue/IJCIET?Volume=8&Issue=5 1. INTRODUCTION The linear brick (hexahedral) element has eight nodes per element and three translation degree of freedom per node. The linear quadrilateral and hexahedral isoparametric elements are probably the simplest elements having constant strain within the element [1]. Though,
FINITE ELEMENT MODELING OF BEAM WITH EIGHT NODED BRICK ELEMENT USING MATLAB
Jun 12, 2023
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