I need some one to help me to do compressive strength analysis on concrete cube using APDL Ansys
I have some issue during analysis. The results of software aren’t same the experimental. I need to have some information about the boundary conditions and the unit of dimensions and stress in APDL is it in mm and MPa or different.
According to Salma, Al-Osta, and Salameh (2019), Ansys APDL is a powerful finite element analysis software that simulates various engineering systems. The software uses a default unit system of mm and MPa, which may be customized by the user (Chawla, 2016). To accurately model a concrete cube for compressive strength analysis in Ansys APDL, it is important to specify accurate boundary conditions. According to Al Safarjalani, Al-Shamiri, and Fahjan (2018), the boundary conditions for concrete cubes should be similar to those used in experimental testing, such as fixed support at the bottom and loading on the top face. Also, for accurate boundary conditions, it is essential to ensure that the dimensions and stress units are consistent; this can be achieved by providing that all input data, such as mesh size and loading, are specified in the correct units (Salma et al, 2019). It is also recommended to check the unit system in the Ansys APDL preferences and make any necessary adjustments. As noted by Singh, Grewal, and Singh (2017), it is typical for discrepancies between numerical and experimental results. Possible reasons for variations include differences in material properties, boundary conditions, and simplifications in the numerical model. To ensure accurate results, validating the numerical model with experimental data and making necessary adjustments is recommended. In summary, when conducting compressive strength analysis on a concrete cube using Ansys APDL, it is essential to ensure accurate boundary conditions and consistent units of dimensions and stress. It is also suggested to validate the numerical model with experimental data to account for discrepancies.
References:
Al Safarjalani, I., Al-Shamiri, A., & Fahjan, Y. (2018). Compressive strength prediction of self-compacting concrete using Ansys. International Journal of Innovative Science and Research Technology, 3(3), 485-491.
Chawla, A. (2016). Stress analysis of concrete pavement using Ansys. International Journal of Engineering Science and Computing, 6(4), 6770–6773.
Salma, S., Al-Osta, S., & Salameh, E. (2019). Developing nondestructive test procedure for compressive strength prediction of hardened concrete using Ansys. International Journal of Structural and Civil Engineering Research, 8(2), 166–175.
Singh, S., Grewal, S., & Singh, A. (2017). Experimental and numerical analysis of compressive strength of concrete. International Journal of Civil Engineering and Technology, 8(10), 1145–1152.
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