Free Download CSI ETABS 21.2.0.3353 | 1.0 GbComputers and Structures, Inc. (CSI), is pleased to announce the availability of
ETABS 21.2.0 (3353). This release offers steel connection design for AISC 360-16 and AISC 360-10, distributed hinge plasticity, speed and storage enhancements for nonlinear analysis, enhanced export to Perform3D, and more.
Owner:Computers and Structures, Inc. (CSI)
Product Name:ETABS
Version:21.2.0 (3353)
Supported Architectures:x64
Website Home Page :www.csiamerica.com
Languages Supported:english
System Requirements:Windows *
Size:1.0 Gb
Design
Steel connection design is now available per the AISC 360-16 and AISC 360-10 codes. This includes Beam-Beam, Beam-Column, Column-Footing, welded, and bolted connections.
An enhancement has been made to the Eurocode 3-2005 steel frame design to update the design according to Corrigendum 2 released in 2009.
Loading
The TSC-2018 response-spectrum function has been enhanced to allow specification of the R, D and I parameters. The auto-seismic load pattern and response-spectrum function were added for the Malaysian National Annex of Eurocode 8-2004.
Structural Model
The frame hinge assignment feature has been enhanced with four new preset hinge assignment distribution types:
1. Beam Column, which adds a moment or PMM hinge at the ends of the frame object.
2. Distributed Plasticity, which adds hinges along the length of the frame object based on a specified integration rule.
3. Equal Spacing, which adds hinges at a fixed spacing along the length of the frame object.
4. Continuous Support, which adds one hinge at the center of every frame element associated with the selected frame object.
Analysis
An enhancement has been made to allow the "Number of (Internal) Threads for Analysis" setting to also control number of threads that can be used by the Multi-threaded Solver. This creates less competition for resources and can speed up analysis.
An enhancement has been made to speed up direct-integration time-history load cases with additional modal damping specified for a large number of modes. For building structures, the higher-frequency modes typically respond statically to seismic and wind loading, and stiffness proportional damping is more efficient for the damping at high frequencies.
Output and Display
The option to disable saving of individual fiber results for Fiber P-M2-M3 frame hinges is now available. This can significantly reduce disk storage when individual fiber stress-strain results are not needed. Detailed hinge results will still be available, including the state and status of the hinge obtained from the fiber results.
Database Tables
The following "Analysis Results" database tables have been parallelized for increased speed during display or export: "Joint Displacements, "Joint Displacements - Absolute", "Joint Drifts", "Pier Forces", "Pier Force Status", "Spandrel Forces, and "Spandrel Force Status". In addition, individual table progress will now be displayed in the status bar while filling any of the "Analysis Results" tables for display/export. The progress bar is effective for tables that take significant time to display/export.
Import and Export
Enhancement added for exporting Non-Linear links from ETABS to Perform3D. Following links types are handled:
1. ETABS Damper - Exponential > Perform3D Fluid Damper
2. ETABS Gap > Perform3D Nonlinear Elastic Gap-Hook Bar
3. ETABS Hook > Perform3D Nonlinear Elastic Gap-Hook Bar
4. ETABS Rubber Isolator > Perform3D Seismic Isolator, Rubber Type
5. ETABS Friction Isolator > Perform3D Seismic Isolator, Friction Pendulum
ETABS models exported to Perform3D now include shell uniform loads in the global coordinate system. These loads will be exported to Perform3D as lumped nodal loads on the nodes which form the shell elements.
For ETABS models exported to Perform3D, frame objects that are assigned a Pier or Spandrel label will be exported to Perform3D in separate element groups based on their Pier or Spandrel label names.
ETABS models exported to Perform3D now include Line and Quad gauge elements. Translational type line gauges in ETABS will be exported as Perform3D Axial Strain Gage (2-node) components. Rotational type line gauges in ETABS will be exported as Perform3D Rotational Gage, Beam Type (2-node) components. Shear type quad gauges in ETABS will be exported as Perform3D Shear Strain Gage (4-node) components. Rotation type quad gauges in ETABS will be exported as Perform3D Rotation Gage, Wall Type (4-node) components.
ETABSis an engineering software product that caters to multi-story building analysis and design. Modeling tools and templates, code-based load prescriptions, analysis methods and solution techniques, all coordinate with the grid-like geometry unique to this class of structure. Basic or advanced systems under static or dynamic conditions may be evaluated using ETABS. For a sophisticated assessment of seismic performance, modal and direct-integration time-history analyses may couple with P-Delta and Large Displacement effects. Nonlinear links and concentrated PMM or fiber hinges may capture material nonlinearity under monotonic or hysteretic behavior. Intuitive and integrated features make applications of any complexity practical to implement. Interoperability with a series of design and documentation platforms makes ETABS a coordinated and productive tool for designs which range from simple 2D frames to elaborate modern high-rises.
CSI ETABS Tutorials
Founded in 1975,Computers and Structures, Inc. (CSI)is recognized globally as the pioneering leader in software tools for structural and earthquake engineering. Software from CSI is used by thousands of engineering firms in over 160 countries for the design of major projects, including the Taipei 101 Tower in Taiwan, One World Trade Center in New York, the 2008 Olympics Birds Nest Stadium in Beijing and the cable-stayed Centenario Bridge over the Panama Canal. CSI's software is backed by more than three decades of research and development, making it the trusted choice of sophisticated design professionals everywhere!
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