Computer-aided design based building structure design system

By using a computer-aided design system and employing heuristic dimensionality reduction and incremental iterative algorithms, the problems of computational overload and inaccurate nonlinear stress calculations in building structures under extreme conditions are solved. A topological network with multi-level redundancy is generated, which improves the accuracy of building structure analysis and material utilization efficiency under extreme conditions.

CN121936041BActive Publication Date: 2026-06-12TAIZHOU VOCATIONAL & TECHN COLLEGE
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
TAIZHOU VOCATIONAL & TECHN COLLEGE
Filing Date
2026-03-31
Publication Date
2026-06-12

AI Technical Summary

⚠Technical Problem

Existing structural mechanics analysis and design technologies for building structures face challenges in assessing successive collapses under extreme conditions. These challenges include computational overload caused by a massive number of node combinations and inaccurate calculations of real nonlinear stresses due to assumptions about minute deformations. This can easily lead to negative impacts on the financial feasibility of actual projects by increasing material accumulation without limit.

⚗Method used

A computer-aided design system for building structures is adopted. Through initial data acquisition, high-risk node locking, nonlinear response analysis and redundancy path optimization modules, combined with heuristic dimensionality reduction and incremental iterative algorithms, the system accurately captures the real mechanical abrupt state after local structural failure and generates a topology network with multi-level redundancy under strict constraints on overall material consumption.

🎯Benefits of technology

It effectively avoids exponential computing power consumption, provides high-speed response capabilities, accurately captures the nonlinear stress redistribution state after local structural damage, provides a high-fidelity mechanical benchmark for subsequent redundant path design, and ensures that the building structure has multi-mode toughness and robustness under extreme working conditions.

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Abstract

The application relates to the field of computer-aided design and building engineering technology, in particular to a building structure design system based on computer-aided design, which comprises an initial data acquisition module: an initial structure topology model and preset load data are acquired to construct an initial force transmission diagram model; a high-risk node locking module: node failure simulation is carried out, a heuristic dimension reduction algorithm is used to evaluate the importance of nodes and lock a high-risk node set; a nonlinear response analysis module: the high-risk nodes are removed, nonlinear stress distribution data and dynamic boundary conditions of the remaining topology structure are calculated; a redundant path optimization module: multi-path optimization under constraints is carried out to generate a secondary force transmission topology network; a toughness evaluation and optimization module: toughness indexes are calculated and compared with threshold values, if the threshold values are reached, the output is obtained, if the threshold values are not reached, the constraints are adjusted and re-optimized; the application can quickly reconstruct the force transmission path when the structure is locally damaged, and high adaptability and robustness are exhibited.
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