Revit software itself does not perform structural calculations or analysis. However, it can be connected to third-party analysis applications through the Revit API (Application Programming Interface). One such example is R-STARCAD, a plugin jointly developed by Revit and PKPM, which enables the conversion of structural models between PKPM and Revit. Please note that the plugin requires specific version compatibility.
Revit primarily focuses on BIM modeling and multidisciplinary coordination, while PKPM is closely aligned with domestic standards for structural analysis and calculation. By enabling model interoperability, structural engineers can significantly reduce repetitive modeling tasks across different software platforms, thereby improving efficiency and minimizing errors.
When importing and exporting models, several important considerations should be kept in mind:
- When importing a Revit model into PKPM, pay close attention to the Export Advanced Options. Within the model component options, you can specify which components to export, including axis lines, structural beams, supports, columns, walls, and more.
- Special Handling Options require caution, especially regarding the eccentric merging distance.
- Eccentricity refers to the offset distances between nodes and the axis or positioning grid and the axis. The sign conventions for eccentricity follow PKPM’s definitions.
- Since PKPM allows only one component per node or grid, the eccentric merging distance must be set carefully to avoid merging multiple positioning nodes or grids from the RST model onto the same axis endpoint, which could result in component loss.
- The eccentricity value is generally determined based on the minimum spacing between components and the smallest cross-sectional width in the model.
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