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A CAD-Integrated Framework for Dynamic Structural Topology Optimisation via Visual Programming

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Vydáno v:Computation vol. 13, no. 11 (2025), p. 267-299
Hlavní autor: Sardone, Laura
Další autoři: Sotiropoulos Stefanos, Fiore, Alessandra
Vydáno:
MDPI AG
Témata:
Finite element method
Software
Time dependence
Seismic response
Earthquake construction
Civil engineering
Earthquake loads
Boundary conditions
Design
Solvers
Architecture
Earthquakes
Graphical user interface
Tall buildings
Computer aided design > CAD
Seismic engineering
Visual programming languages
Designers
Real time
Topology optimization
Computer aided engineering > CAE
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Abstrakt:Structural Topology Optimisation (STO) plays a critical role in computational engineering, enabling the creation of material-efficient, performance-driven structures. However, dynamic STO workflows, particularly those involving time-varying or seismic excitations, are often inaccessible to architects and engineers due to their reliance on standalone solvers, large-scale data handling, and advanced programming skills. This paper introduces a Computer-Aided Design (CAD)-embedded, time-dependent STO framework built upon a modular, adjoint-based optimisation core integrated into a Visual Programming Language (VPL) interface. Implemented within a parametric CAD environment through a custom C# component, the framework embeds a MATLAB-based solver to support geometry definition, boundary condition control, and dynamic finite element analysis under harmonic and seismic loading. The resulting Graphical User Interface (GUI) lowers technical barriers by enabling users to iteratively configure STO parameters, manage meshing, and visualise real-time results. Case studies on tall building façades under earthquake excitation validate the framework’s ability to minimise displacement at targeted Degrees of Freedom (DOFs), dynamically adapt material distributions, and enhance structural resilience. By bridging high-fidelity computational methods with accessible visual workflows, the proposed system advances the integration of dynamic STO into both architectural and engineering practice.
ISSN:2079-3197
DOI:10.3390/computation13110267
Zdroj:Advanced Technologies & Aerospace Database