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INSPECT-SPSW: INelastic Seismic Performance Evaluation Computational Tool for Steel Plate Shear Wall Modeling in OpenSees
Modeling Steel Plate Shear Wall (SPSW) behavior can be computationally demanding. This is especially true when high-fidelity modeling is carried out via shell or 3D solid elements. It has been shown that SPSW behavior can be captured with adequate accuracy through the strip method via nonlinear truss elements idealization. The widely accepted and reliable analysis platform, OpenSees, requires text-based input (.tcl) files created by a skilled programmer. Hence, a Pre/Post-processing User Interface (UI) software package (INSPECT-SPSW) is introduced herein. With basic input, the INSPECT-SPSW package allows the user to create the OpenSees (.tcl) input file, run different nonlinear analyses, and retrieve and visualize the output. In addition, the UI includes illustrated wrappers for several OpenSees commands for various material definitions, plasticity modeling options, modal analysis, and nonlinear analysis types. Validation and verification were conducted against published results of experimental and numerical cyclic loading specimens. The user-friendly interface successfully created accurate models that capture the SPSW nonlinear behavior, including the various possible failure mechanisms. e.g., beam or column plastic hinging, web plate yielding, etc. With demonstrated performance and intuitive UI, INSPECT-SPSW is expected to facilitate the broad adoption of the strip method for Performance-Based Earthquake Design (PBED) of SPSWs.
INSPECT-SPSW: INelastic Seismic Performance Evaluation Computational Tool for Steel Plate Shear Wall Modeling in OpenSees
Modeling Steel Plate Shear Wall (SPSW) behavior can be computationally demanding. This is especially true when high-fidelity modeling is carried out via shell or 3D solid elements. It has been shown that SPSW behavior can be captured with adequate accuracy through the strip method via nonlinear truss elements idealization. The widely accepted and reliable analysis platform, OpenSees, requires text-based input (.tcl) files created by a skilled programmer. Hence, a Pre/Post-processing User Interface (UI) software package (INSPECT-SPSW) is introduced herein. With basic input, the INSPECT-SPSW package allows the user to create the OpenSees (.tcl) input file, run different nonlinear analyses, and retrieve and visualize the output. In addition, the UI includes illustrated wrappers for several OpenSees commands for various material definitions, plasticity modeling options, modal analysis, and nonlinear analysis types. Validation and verification were conducted against published results of experimental and numerical cyclic loading specimens. The user-friendly interface successfully created accurate models that capture the SPSW nonlinear behavior, including the various possible failure mechanisms. e.g., beam or column plastic hinging, web plate yielding, etc. With demonstrated performance and intuitive UI, INSPECT-SPSW is expected to facilitate the broad adoption of the strip method for Performance-Based Earthquake Design (PBED) of SPSWs.
INSPECT-SPSW: INelastic Seismic Performance Evaluation Computational Tool for Steel Plate Shear Wall Modeling in OpenSees
Mohammad AlHamaydeh (author) / Ahmed Mansour Maky (author) / Mohamed Elkafrawy (author)
2023
Article (Journal)
Electronic Resource
Unknown
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