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You are here:  Products  ›  CADFEM ANSYS Extensions  ›  BIM inside ANSYS

CADFEM ANSYS Extension for integration and preparation of 3D building product models (BIM / ifc) in ANSYS

Master building complexity

Digitization currently covers all stages of life of modern buildings, from planning through construction to operation. Building product models (BIM: Building Information Models) as digital twin play a central role in this.

With BIM inside ANSYS, the integration and adoption of 3D geometry and product data can be implemented comfortably and efficiently in ANSYS. The aim is to connect numerical simulation tools (eg: CFD, FEM) to BIM / Ifc building models.

BIM is an interface for BIM with a focus on the generation of customized simulation models.

 

The main advantages

  • Integration of BIM / Ifc building models in ANSYS Workbench and ANSYS AIM
  • Graphical surface at the interface from the building model to the simulation model
  • BIM coupling via the open and widely used industry standard Ifc
  • Semi-automatic generation of geometry abstractions (simLoDs) for CFD and FEM

Coupling of BIM and numerical simulation

This BIM Extension brings together the two domains BIM Building Model and Numerical Simulation efficiently and purposefully. Geometry and product data for numerical simulations can thus be extracted from BIM as the central data model and digital twin of the building for all phases of life (planning, construction & operation) and prepared for simulations.

BIM / Ifc buildings can be transferred to ANSYS as a whole or in the form of submodels. In addition, further geometry operations are available for processing the geometric models. In ANSYS, all known tools, for example for CFD flow analysis, can be used after the transfer. The associativity between product data in BIM and simulation model is preserved.

 

Integration in ANSYS Workbench and Discovery AIM

BIM inside ANSYS is a model-view-controller in the interface between BIM and simulation model and is an extension for ANSYS Workbench and ANSYS Discovery AIM. As a user interface, both a graphical model viewer (BIM UI module) and a dialog wizard (BIM Wizard module) are available.

The BIM UI module is a standalone viewer and browser application for BIM / Ifc models, integrated in ANSYS with a communication interface for the transfer of geometry data to ANSYS. It provides a detailed, visual analysis of BIM models and provides access to all BIM base functions for extraction of geometry data or abstraction of geometry models.

The BIM Wizard module is based on the same basic functions that are used in the UI, but offers a "Quick Workflow" for the transfer of BIM / Ifc to ANSYS.

 

Geometry Processing

BIM building models can very quickly contain a large amount of data because they should serve as a single, centralized place of data storage for all stages of life and stakeholders in a consistent BIM-based approach ("single source of content"). Filtering, reducing and abstracting these data for efficient numerical analyzes and simulations is therefore usually essential.

BIM offers methods for data filtering and generation of submodels. For this, the "intelligence" and product logic of the BIM models can be used, for example when filtering by product type (eg wall components) or building floors.

 

Geometry abstraction

BIM models include semantic data (eg, material data or cost) and also geometric data (eg, component geometry or layer construction). The geometric description of construction products is usually focused on architectural applications. Geometry models for numerical simulations, however, usually have different requirements and specifications, such as in terms of detail or dimension.

BIM offers a number of methods for semi-automatic reprocessing of models for numerical simulations and further use of models within the various tools in ANSYS. For the abstraction of the models semi-automatic templates are available for the generation of so-called simLoDs (Simulation Level of Details). These allow the generation of typical, simplified models, especially for CFD applications.

 

Your start in the world of simulation

Your start in the world of simulation

  • Introduce simulation safely
  • 4 steps to be operational
  • Accompaniment throughout the process
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