Product Overview
In this project, an obliquely stiffened steel plate shear wall with two rectangular openings is simulated using Abaqus to investigate its seismic behavior under cyclic loading.
The numerical model represents one-bay, two-story steel plate shear wall with two-sided symmetrical channel-shaped stiffeners. The model is based on the experimental specimen identified as DSRO2 in the reference study.
The Abaqus results are compared with the experimental results to evaluate the numerical model and its ability to reproduce the hysteretic behavior, deformation, and failure characteristics observed in the laboratory test.
Model Description
The model represents an obliquely stiffened steel plate shear wall with openings based on the configuration used in the reference experimental study.
The steel plates are reinforced with two-sided symmetrical channel-shaped stiffeners arranged diagonally at an angle of approximately 35° to the horizontal.
The infill steel plates are connected only to the beams. The edges of the rectangular openings are reinforced with square tubes.
The required material properties, boundary conditions, interactions, and analysis settings are defined in Abaqus to reproduce the behavior of the laboratory model.
Buckling Analysis and Initial Imperfection
A buckling analysis is performed in Abaqus to obtain the buckling modes of the steel plate and structural components.
The first buckling mode is selected to define the initial geometric imperfection of the model. The maximum imperfection amplitude is defined as 1/1000 of the steel plate height, following the numerical procedure reported in the reference study.
The buckling modes are extracted from the Abaqus analysis and are then used to define an initial geometric imperfection in the numerical model.
The initial geometric imperfection is introduced into the model to account for the initial out-of-plane deformation of the steel plate and its effect on the subsequent cyclic response.
Cyclic Loading
The model is first subjected to vertical loading in Abaqus. An axial load of 260 kN is applied to each column and then kept constant throughout the subsequent cyclic loading.
Horizontal cyclic loading is then applied under interstory drift control following the loading protocol reported in the reference study.
The cyclic loading is used to investigate the hysteretic behavior and seismic response of the steel plate shear wall.
Results and Hysteresis Response
The Abaqus results are extracted and processed to evaluate the structural response of the steel plate shear wall under cyclic loading.
The Force-Displacement hysteresis diagram obtained from the Abaqus analysis is compared with the corresponding laboratory results reported in the reference paper.
The comparison shows good conformity between the numerical and experimental results, demonstrating that the Abaqus model can reproduce the main characteristics of the experimental response.
Deformation Under Cyclic Loading
The final deformation of the steel shear wall is investigated after the cyclic loading analysis.
The deformation obtained from the Abaqus analysis is compared with the deformation observed in the experimental study.
Experimental Validation
The numerical results are compared with the experimental results reported in the reference research paper.
The analysis captures the out-of-plane buckling of the middle beam web in the opening region as the lateral displacement increases.
Column buckling is also observed in the Abaqus analysis, consistent with the experimental observations reported in the reference study.
The Abaqus results show good agreement with the experimental results, confirming that the numerical model can reproduce the main structural behavior observed in the laboratory test.
Key Features
- Obliquely stiffened steel plate shear wall with openings.
- Buckling analysis and extraction of buckling modes.
- Initial geometric imperfection based on buckling modes.
- Cyclic loading applied to the top beam.
- Nonlinear analysis under cyclic loading.
- Force–displacement hysteresis response.
- Investigation of final deformation.
- Comparison with laboratory results.
- Comparison of top beam deformation with experimental results.
- Complete Abaqus model files.
- Excel file for amplitude loading.
- Excel file containing numerical results.
- Step-by-step video tutorial.
What You Will Learn
- How to model an obliquely stiffened steel plate shear wall with openings in Abaqus.
- How to define the geometry and material properties of the model.
- How to model the openings and oblique stiffeners.
- How to define the required boundary conditions in Abaqus.
- How to perform a buckling analysis.
- How to extract buckling modes from the Abaqus analysis.
- How to use buckling modes to define an initial geometric imperfection.
- How to apply cyclic loading to the top beam.
- How to perform nonlinear analysis under cyclic loading.
- How to obtain a force–displacement hysteresis diagram.
- How to extract and process Abaqus results using Excel.
- How to compare numerical and experimental results.
- How to compare the deformation obtained from Abaqus with the experimental deformation.
Reference
This project is based on the experimental research study used to investigate the seismic behavior of an obliquely stiffened steel plate shear wall with openings under cyclic loading.
The reference paper is included with the project files and can be used to review the laboratory model, loading procedure, deformation behavior, and reported experimental results.
Project Information
Important information about this project
Payment & Support
Need help with your purchase?
Secure Payment
Your payment is processed securely through our online payment system.
Need Help?
If you have any questions about this product, please contact us by email.
saeedofmoeini@gmail.com
There are no reviews yet.