Developing domestic BIM modeling software requires both favorable external and internal conditions. While the core technology depends heavily on internal factors, the current state of domestic BIM modeling software still lags significantly behind its foreign counterparts in terms of core technology.
1. Lack of Independent Core Engines Slows Domestic Software Development
There is a notable technological gap between domestic and foreign BIM modeling software, particularly in areas such as graphics engines, solvers, data processing, grid partitioning, and parallel computing. Many key technologies are monopolized by foreign companies. For instance, the core engines for CAD geometric drawing software are controlled by a few foreign vendors. Due to the absence of proprietary core technologies, domestic software developers often rely on open-source kernels or purchase licenses for foreign core technologies like Parasolid. This reliance slows down the independent research and development of core technologies within China, thereby weakening the competitiveness of domestic software manufacturers across the entire industry chain.
2. Incomplete Core Technology Hinders Large-Scale Commercialization
Foreign software companies have evolved their products into scalable platforms with extensive open interfaces, fostering secondary development and enriching their software ecosystems. In contrast, China lacks mature BIM modeling software products for high-end engineering simulation, design, and analysis. Although there are self-developed software solutions in fields like bridges, tunnels, and municipal engineering, these products tend to be closed and not fully commercialized. To achieve broader commercialization, software must meet market demands regarding functionality, system architecture, platform integration, and data interoperability. However, due to insufficient core technology accumulation, domestic BIM modeling software falls short in these critical areas compared to foreign products.
3. Absence of Standards Prevents Effective Collaboration in Domestic BIM Software
Currently, BIM software standards are primarily controlled by large foreign vendors. The lack of established standards for domestic BIM software results in missing fundamental data protocols, complicating efforts to overcome core technological challenges. Although domestic developers have produced numerous design, analysis, and management software tailored to specific tasks across various disciplines and stages of engineering projects, each addresses only a limited scope of problems. Professional design and other scenarios often require multiple software solutions to work together seamlessly. However, due to the absence of key standards such as interfaces, protocols, and data formats, interoperability between products from different vendors is chaotic, preventing smooth data exchange and limiting overall efficiency gains.
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