Design Exploration and Automation for Structural Brackets

Structural brackets are among the most common load-bearing components in mechanical assemblies, yet their design process remains disproportionately expensive when handled through conventional workflows. Each variant in a bracket family carries unique load cases and interface constraints, forcing engineering teams to repeat the full CAD/FEA/manufacturing review cycle for every part with no reuse mechanism. A customer's engineering team used Cognitive Design to replace this pattern with a single automated parametric workflow covering a full bracket family across three manufacturing routes: additive manufacturing, die casting, and CNC machining.
With Cognitive Design, the team built a single node-based workflow encompassing topology optimization, Topology Weaving, simulation-driven refinement, and manufacturing-driven design for all three target processes, with every iteration automatically logged in the Design Explorer against mass, stress, safety factor, cost, CO2, and manufacturability scores.
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Results achieved
80% reduction in concept exploration lead time
Once built and validated on the first bracket, the workflow required only an input geometry swap to regenerate the full chain for every subsequent variant, compressing what would conventionally take weeks of repeated modeling and simulation down to hours.
15+ validated design alternatives per variant
The workflow generated over 15 candidates per bracket variant, each evaluated simultaneously against structural performance, manufacturing feasibility across three processes, unit cost, and carbon footprint, replacing subjective engineering judgment with a repeatable, data-driven selection process.
Up to 40% mass reduction on iterations
The best-performing candidates achieved up to 40% mass reduction compared to the legacy machined aluminum reference, while meeting all safety factor and displacement requirements, with manufacturability constraints resolved automatically within the same workflow.
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FAQs
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Yes. A well-structured parametric workflow can simultaneously generate and evaluate bracket variants optimized for additive manufacturing, die casting, and CNC machining within a single session. Cognitive Design's manufacturing-driven design module applies process-specific constraints automatically: minimum wall thickness and support minimization for AM, undercut filling and draft angle compliance for die casting, and axis-accessibility for CNC machining. This eliminates the need to run separate design tracks per process, enabling direct manufacturing route comparison on a shared set of candidates.
Topology optimization identifies and retains only the material that contributes to load transfer, eliminating non-structural bulk from the design space. For structural brackets, this means generating geometry that directs applied forces through the most efficient load paths while meeting defined safety factor and displacement thresholds. When combined with simulation-driven refinement, which locally adjusts wall thickness based on live stress results, the process consistently delivers 30 to 40% mass reduction compared to legacy machined designs without compromising structural integrity or manufacturing feasibility.
Engineering teams managing recurring bracket families typically invest two to three weeks per variant using conventional CAD/FEA/manufacturing review workflows. With a reusable parametric workflow built in Cognitive Design, subsequent variants require only an input geometry swap and simulation macro update. All downstream stages recompute automatically, compressing the per-variant cycle to approximately two days and delivering a 4x acceleration across the full bracket family, shifting engineering effort away from repetitive modeling tasks toward higher-value design decisions.
Design automation for structural brackets refers to the use of parametric, reusable workflows that replace manual, variant-by-variant engineering processes. Rather than rebuilding CAD models, running separate FEA setups, and reviewing manufacturability independently for each bracket in a family, a single workflow encapsulates all design intents and automatically recomputes for each new input geometry. Platforms like Cognitive Design implement this through node-based workflows combining topology optimization, simulation-driven design, and manufacturing-driven design, reducing per-variant lead time from weeks to hours.
Cognitive Design's Design Explorer automatically captures and compares a full set of engineering KPIs across every generated bracket iteration, including mass, peak von Mises stress, safety factor, maximum displacement, unit cost, carbon footprint, and process-specific manufacturability scores. These metrics are logged without manual extraction and visualized through interactive graphs and threshold filters, enabling data-driven selection of the optimal variant based on the project's priority, whether that is minimum mass, lowest cost, or best manufacturability score for a given manufacturing route.
Cognitive Design reduced concept exploration lead time by 80% for a multi-variant structural bracket family, compressing what conventionally takes weeks of repeated modeling and simulation down to hours. Once the parametric workflow is validated on the first bracket, each subsequent variant requires only an input geometry swap to regenerate the full design chain, covering topology optimization, simulation-driven refinement, and manufacturing feasibility validation automatically.
Yes. Cognitive Design's node-based parametric workflow supports simultaneous exploration across additive manufacturing (AM), die casting, and CNC machining within a single session. Manufacturability constraints, cost, and carbon footprint are evaluated concurrently for every iteration, eliminating the need for separate design tracks per process.
In a documented structural bracket optimization case, the best-performing candidates achieved up to 40% mass reduction compared to the legacy machined aluminum reference, while fully meeting safety factor and displacement requirements. Manufacturability constraints were resolved automatically within the same parametric workflow, with no manual intervention required.
Every design iteration is automatically logged in the Design Explorer against KPIs including mass, stress, safety factor, unit cost, CO2 footprint, and manufacturability score. This replaces subjective engineering judgment with a repeatable, data-driven selection process across all variants in the bracket family.
In a documented bracket family project, duplicating and reconfiguring the validated parametric workflow produced a fully validated second bracket variant in 2 hours, representing a 4x acceleration across the part family compared to restarting the design cycle from scratch for each new variant.
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