Embedded Reinforcement Mesh Generation Method for Large-scale Rc Simulations: Case Study
نویسندگان
چکیده
Modeling of reinforced concrete structures through the use of 3D detailed models derives significant numerical issues especially when dealing with large-scale meshes that incorporate large numbers of reinforcement bars embedded in the hexahedral mesh. In 3D detailed reinforced concrete simulations, mapping the reinforcement grid inside the concrete hexahedral finite elements is performed using the end-point coordinates of the rebar macro-elements. This procedure is computationally demanding when dealing with large-scale models, where the required computational time for the reinforcement mesh generation can be excessive. This research work investigates the numerical robustness and computational efficiency of the embedded rebar mesh generation method proposed by Markou [14] that was an extension of the Markou and Papadrakakis [8] research work. The under study embedded rebar mesh generation method foresees the automatic allocation and generation of embedded steel reinforcement inside hexahedral finite elements for 32-bit and 64-bit windows based applications. In order to further investigate the numerical and computational performance of the embedded rebar mesh generation method, a full-scale model of the RC frame of the ALHOSN University Campus in Abu Dhabi of the United Arab Emirates is constructed and used so as to allocate and generate the embedded rebar finite elements. The numerical results illustrate the computational efficiency and robustness of the under study method. Finally, the numerical results that derived from the ReConAn FEA solver for the at hand numerical implementation are briefly presented.
منابع مشابه
Parametric study on Nonlinear Finite Element Analysis on flexural behaviour of RC beams using ANSYS
Nonlinear behaviour of RC beams is complex due to involvement of various parameters. Many attempts have been made by the past researchers to predict the behaviour using ANSYS. The accuracy and convergence of the solution depends on factors such as mesh density, constitutive properties of concrete, convergence criteria and tolerance values etc., Past researchers have used various values of the a...
متن کاملThe Lattice Boltzmann Method as a General Framework for Blood Flow Modelling and Simulations
Large-scale simulations of blood flow allow for the optimal evaluation of endothelial shear stress for real-life case studies in cardiovascular pathologies. The procedure for anatomic data acquisition, geometry, and mesh generation are particularly favorable if used in conjunction with the Lattice Boltzmann method and the underlying Cartesian mesh. The methodology allows to accommodate red bloo...
متن کاملThe Lattice Boltzmann Method and Multiscale Hemodynamics: Recent Advances and Perspectives
Large-scale simulations of blood flow allow for the optimal evaluation of endothelial shear stress for real-life case studies in cardiovascular pathologies. The procedure for anatomic data acquisition, geometry and mesh generation are particularly favorable if used in conjunction with the Lattice Boltzmann method and the underlying cartesian mesh. The methodology allows to accommodate red blood...
متن کاملExperimental study on the behaviour of nonductile infilled RC frames strengthened with external mesh reinforcement and plaster composite
The aim of this paper is to report on an experimental study about Turkish Earthquake Code on suggested strengthening method. The proposed method uses existing brick infill walls and the strengthening is done with the application of external mesh reinforcement and plaster. 5 nonductile 1/2 scaled, one bay, two storey RC specimens were tested under a reversed cyclic loading. The first two specime...
متن کاملParallel Mesh Generation and Adaptation for Cad Geometries Parallel Mesh Generation and Adaptation for Cad Geometries
SUMMARY Large scale parallel simulations are dealing with meshes with millions to billions of elements. As the numbers of elements in these meshes continue to increase, it is becoming necessary to deal with the generation and control of the mesh in parallel. This paper overviews a set of procedures that can accept a CAD model as input and generate initial meshes in parallel with 100's of millio...
متن کامل