PRINT JOINT REACTIONS LIST 1 5 10 PRINT MEMBER FORCES LIST 2 3 4 In the design phase (steel/concrete), an indexed table of parameters is applied per member or member group.
1. Introduction STAAD.Pro (Structural Analysis and Design Program) is a leading finite element analysis (FEA) and design software suite developed by Bentley Systems. While users interact with a graphical user interface (GUI), the true "index" of the software’s functionality lies in its underlying command language, file structure, and the logical numbering systems that govern nodes, members, loads, and design parameters. This paper provides a systematic index of these core components, serving as a reference for efficient modeling, debugging, and advanced usage. 2. Primary Input File Structure: The STAAD Command Index The fundamental index of any STAAD.Pro model is its plain-text input file ( .std ). The file is organized into distinct command blocks. An indexed view of these blocks is as follows:
| | Meaning | Typical Value | |---------------------|-------------|-------------------| | CODE | Design code | AISC, IS800, Eurocode | | LY | Unsupported length (Y-axis) | Numeric length | | LZ | Unsupported length (Z-axis) | Numeric length | | MAIN | Main reinforcement (concrete) | Bar size & count | | TRACK | Output detail level | 0, 1, 2 | | FYLD | Yield stress of steel | 36, 50 ksi |
These parameters are indexed to specific members:
PARAMETER CODE AISC FYLD 50 MEMB 1 TO 10 LY 4.5 MEMB 1 TO 5 TRACK 2 ALL CHECK CODE ALL When an error occurs, STAAD.Pro issues a numbered warning/error index. Common indices include:
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