The implementation of BIM (Building Information Modeling) technology depends heavily on advancements in computer hardware and software. Since the early 21st century, rapid progress in computer technology has laid a solid hardware foundation for BIM. Meanwhile, BIM software has become the key factor influencing its adoption in the computing field. Given the unique advantages of different BIM software and the incompatibility of data formats between them, selecting the right software is the first critical step when applying BIM technology.
BIM software refers to applications capable of storing and manipulating graphical models while associating relevant information with these models. For example, software like AutoCAD and SketchUp can create graphics or models but do not link them with associated data. Conversely, database tools like MySQL or Excel manage information but cannot generate geometric models. Such software cannot be classified as BIM software.
Currently, hundreds of BIM software options exist globally, including both domestic and imported products. Choosing the right BIM software involves considering two main factors: simplification and interoperability. Simplification is critical because BIM models associate vast amounts of data; software that lacks efficient memory optimization can cause frequent computer lag. Interoperability refers to how well software formats are compatible and how easily data can be exchanged between different programs, which is vital for smooth team collaboration. Below is a brief overview of some well-established BIM software:
(1) Autodesk Revit
Revit is a highly integrated BIM platform developed by Autodesk, designed for architecture, structural engineering, and MEP (mechanical, electrical, plumbing) disciplines. It offers great modeling freedom and strong data interaction capabilities, overcoming many challenges related to data exchange. Features such as file linking and worksets enhance collaboration, while its API supports custom application development.
However, Revit has some drawbacks. Due to its extensive functionality and cross-disciplinary nature, models often contain complex and redundant data. The interdependent, real-time calculations between components demand significant hardware resources, so only high-end computers can run it smoothly. Additionally, the family types in Revit are complex and not always intuitive, and there are relatively few options for specialized industries.
(2) Bentley Series Software
The Bentley software suite is developed by Bentley Systems and utilizes MicroStation’s real-time disk storage technology, enabling fast processing of large files. Bentley offers specialized software tailored to different industries, such as ABD for architectural design, OpenRoads for highway engineering, and OpenBridge for bridge design. This specialization allows users to work with tools optimized for their specific tasks.
In addition, Bentley software provides strong interoperability, facilitating smooth data exchange between various disciplines in complex projects. Its collaborative features support teamwork among large groups of professionals.
(3) Graphisoft ArchiCAD
ArchiCAD, developed by Graphisoft, is a BIM software primarily aimed at architects. It stands out as the only mainstream BIM application supporting the MacOS platform. ArchiCAD markets itself as the fastest BIM software, using predictive background updates to ensure smooth transitions without interrupting ongoing work.
Features like straws, layers, and pop-up dialog boxes make modeling more intuitive and efficient. ArchiCAD also offers a “BIMx Super Model” feature that packages and publishes models and drawings to help users quickly grasp design intent.
However, ArchiCAD has limitations in creating custom models and coordinating across multiple disciplines. Custom parametric components, called objects, require programming with the GDL language, which can be challenging for construction professionals. Furthermore, ArchiCAD focuses exclusively on architectural design and does not provide tools for structural, mechanical, or civil engineering, complicating collaboration among diverse specialists.
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