Touseef

Structural Reliability Audit: Reverse Engineering of Suspension Component

The objective was to take a client’s legacy engineering drawing of an automotive suspension component and perform a detailed structural FEA verification under simulated operating loads. This project utilized 2D-to-3D analytical reconstruction to generate the high-fidelity CAD geometry and ANSYS Static Structural analysis to check critical stress, strain, and Factor of Safety (FOS) metrics, delivering a definitive validation of the component’s structural reliability.

Structural FEA
CAD Modeling & DFM
Design Forensics
Data Origin
Engineering Drawing Data
Reliability Metric
Factor of Safety
Verification Method
Simulated Load Testing
Design Status
Verified Safety Critical

How This Project Took Shape Step by Step

Process & Execution

Data Interpretation & Audit

The initial phase involved precise interpretation of the legacy engineering drawing data, translating the 2D views, dimensions, and material specifications into a digital design intent. This audit established the critical structural features and material properties required for accurate simulation setup.

Structural FEA results graph showing maximum stress bar chart and component geometry for design optimization.

2D-to-3D Analytical Reconstruction

Generated the high-fidelity CAD geometry in SolidWorks directly from the interpreted drawing data. This reconstruction was essential for establishing a reliable digital twin that accurately represented the original component’s complex structural curves and dimensions for subsequent analysis.

High-fidelity CAD model of automotive suspension control arm for structural FEA reconstruction.

Complex Geometry Meshing

Generated a highly refined finite element mesh, optimizing element size and quality specifically across the critical load-bearing regions and fillets. This preparation was crucial for ensuring the accurate capture of stress gradients during the static analysis without introducing computational error (S_R4).

FEA meshed model of automotive control arm showing finite element mesh density and fixed constraints.

Boundary Conditions Setup

Applied realistic operational constraints derived from automotive standards, including fixed supports at the pivot points and the specified maximum dynamic load conditions. This established the virtual testing environment to simulate the worst-case scenario for structural integrity verification (S_R4).

Structural FEA stress analysis plot on automotive control arm showing Von Mises stress distribution (High Load).

Safety Factor Post-Processing

Executed the ANSYS solver, then extracted and post-processed the critical stress results, calculating the final Factor of Safety (FOS) against the material yield strength. This documented the design’s margin of error and structural compliance (S_R5).

Structural FEA analysis plot showing strain and displacement distribution on suspension component.

Final Deliverable & Insight

Delivered the complete simulation project files, the verified CAD geometry, and a formal report detailing the structural audit and FOS verification, confirming the component’s structural reliability under extreme conditions.

FEA analysis plot showing stress distribution overlaid on the element mesh for geometric accuracy check.

What the Client Shared About This Project

Every project is complete once the results match what the client envisioned. Here’s their perspective on the process, communication, and final outcome.

Client Feedback
  • For safety-critical components, we need assurance, not just data. The challenge here was working only from old design drawings. The engineer’s expertise in 2D-to-3D analytical reconstruction was flawless, transforming our legacy data into a fully verified digital asset. This process gave us the definitive safety factor required for structural sign-off. Highly recommended expert.

    Hana Fujimoto Photo

    Hana Fujimoto

    Automotive R&D Director

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