Modeling of concrete specimen obtained by reverse engineering methods using finite elements method and examination of model geometries

The subject covered in the project is to make use of the methods of Civil Engineering Science. In addition to making use of the methods of Civil Engineering science, it has been formed from the results of many engineering and other methods of solution including the branches of science. In this study, firstly, three different samples of concrete material were obtained with computer aided imaging techniques. The sampled images were transformed into three-dimensional models that consisted of pixels. Threshold and flodfill algorithms have been used to transform the samples into three dimensions in the computer environment. The ABAQUS® package program, which is computer aided engineering software (CAE), was used to perform analyzes of solid element samples. Considering the available data and analysis, the image acquisition distances of the specimens and the change of the determined threshold ranges were observed with the help of imaging techniques. Also, changes in the natural frequency values obtained by the modes of the total number of points, volume, number of elements, and modes of the elements were observed. As a result of committed results, it obtains indicating the convergency to specific values with change of imaging's distance. Before start the analysis, when threshold obtained it's changing, threshold must obtain sensitively. It makes inference.