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Project case / Customer-independent

Static, modal and fatigue assessment of fluid-line assemblies

An automated FEA workflow assessed routed tube and hose assemblies with brackets across static loads, modes, vibration excitation and fatigue.

Anonymized FEA mesh detail of a routed automotive fluid-line assembly
Automotive · FEA structural analysis
Industry
Automotive
Services
FEA structural analysis
Evidence boundary
Anonymized internal project documentation

Engineering question

Lines, brackets and flexible transitions had to be treated as one load path even though local connections and system modes required different model fidelity.

Model & approach

  • Combine shell, beam and connection elements in an efficient assembly model
  • Evaluate static, modal, harmonic and random-vibration cases through a consistent post-processing chain

Boundary conditions

  • Dry and fluid-filled mass contributions with several acceleration directions
  • Project-specific supports, brackets, hoses and excitation spectra

Results of the assessment

  • The model chain exposed global modes and local connection demand together.
  • Automated reporting enabled consistent comparison across complete variant sets.

Engineering consequence

Critical line sections and brackets could be prioritized for detail change, additional checking or robust design.

Context

This page summarizes internal project documentation independently of the customer. Absolute values, confidential geometry and independent physical validation are not published.

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