Over the past few decades, numerous studies have been done to develop lateral load systems. Based on the experience of past earthquakes, many structural systems have been shown to function properly. Despite the progress made in the structural elements section, very few studies have been carried out on the seismic behavior of non-structural elements. In this research, the seismic behavior of non-supporting walls is investigated numerically. For this purpose, three intermediate sections with different details are considered and placed under the same lateral load. Examined details include: 1. Wall-to-column joints by steel towels, 2. Wall posts, 3. Use of U-shaped fittings. The results show that the use of steel tops and also auxiliary postal wall It is not going to improve the behavior of the wall and in both cases the wall will be broken. Based on the results, it was found that the use of pads with U-shaped joints can significantly improve wall performance. In the analysis of this study, no collapse or rupture was observed in walls equipped with fittings and fittings.