228-0320/02 – BIM in structural mechanics (BIMSM)

The aim of the subject BIM in structural mechanics is to familiarize students with basic skills in performing static calculations using available software within BIM (information building modeling), which is a modern way of planning and realization of construction projects. Building information modeling is based on the interconnection of all project participants. All building-related data is maintained in digital form in the 3D building model. The individual computational models, for example the model for the assessment of the load-bearing structure, are then derived from this digital building model. The procedures that will students learn in this course can integrate this data into program systems for static analysis, which are widely used in design practice. The clear advantage of this BIM design is the more efficient and faster transfer of information between the designer of carrying structure and the civil engineer and/or architect, and a considerable saving in structural modeling time. Another indisputable advantage is the direct connection of the project work task sequences associated with the drawings of building components, such as plans of reinforcement of monolithic structures or plans of steel structures. Furthermore, the use of BIM modeling eliminates many unnecessary errors. Software solutions used in this course (SCIA Engineer, RFEM and ANSYS) fully support OPEN BIM technology based on the Industry Foundation Classes (IFC) data format and enable the import and export of input and output data at this level. These software systems include BIM tools to convert an architectural model from CAD programs (AutoCAD, ArchiCAD) to a finite element analysis model. The resulting static and deformation variables can then be exported via IFC data format to other software products focused on detailed structural design of load-bearing elements of various building materials - concrete, steel and wood (eg Tekla Structures, Revit and IDEA Connections). For static calculations, a computational model consisting of general solids needs to be transformed using BIM tools into an analytical model that contains the appropriate 1D, 2D or 3D computational objects - such as columns, beams, walls, slabs, or shells. Another problem that students will be familiarized with and learn to eliminate it is the discontinuity of some parts of the model, which can arise when converting general bodies to FEM elements. Such discontinuities if not dealt properly lead to instability of the calculation due to the singular matrix of stiffness of the structure. After successfully defining the geometry of the structure, it is necessary to define the loads and their combinations and correct boundary conditions related e.g. to the real structural support system.

Students will get the knowledge and skills necessary for static analysis of 1D, 2D and 3D structures by the finite element method. Practical training is carried out in a computer laboratory. The software systems SCIA Engineer, RFEM and ANSYS are used for teaching. Students will acquire knowledge that will enable them to master any system for analysis of structures by the finite element method.

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Short tests and interactive experience-based work including the self/assessment during the course work.