Dynamic Environments

Random Vibration Analysis

We perform response analysis of avionics enclosures, PCBs, and mechanical assemblies subjected to random vibration environments per MIL-STD-810 and RTCA DO-160.

  • Input PSD definition and tailoring
  • 3σ peak acceleration and displacement response
  • Steinberg fatigue life assessment
  • Component-level margin of safety
  • Transmissibility and amplification analysis

Methods: Steinberg, Miles Equation, FEA modal analysis

Frequency (Hz) G²/Hz
Thermal Management

Thermal Analysis

Steady-state and transient thermal modeling of electronics enclosures, heat sinks, and component layouts to ensure junction temperature compliance.

  • Conduction, convection, and radiation modeling
  • Junction temperature prediction (Tj max)
  • Thermal resistance network analysis
  • Heat sink sizing and optimization
  • Cold plate and forced-air cooling design

Tools: ANSYS Mechanical, hand calculations, thermal resistance models

92°C 78°C 45°C Component Temperature Map
Structural Integrity

Structural FEA & Bracket Analysis

Static and dynamic structural analysis of mounting brackets, chassis, enclosures, and mechanical interfaces. We optimize designs for weight and manufacturability.

  • Linear static stress analysis
  • Bolt pattern and fastener preload analysis
  • Margin of safety per NASA-STD-5001
  • Material trade studies (Al 6061/7075/2024)
  • Design optimization for weight reduction

Deliverables: Stress reports, engineering drawings with GD&T, load tables

LOAD
Electronics Qualification

PCB / CCA Analysis

Dynamic analysis of printed circuit boards and circuit card assemblies to verify component survivability under vibration and shock environments.

  • PCB natural frequency prediction (fn1)
  • Steinberg allowable deflection criteria
  • Component relative displacement analysis
  • Conformal coat and staking assessment
  • Lead/solder joint fatigue life estimation

Standards: IPC-2221, Steinberg methodology, customer SCD requirements

First-mode deflection shape

Our Process

01

Requirements Review

We review your SOW, environmental specs, and system requirements to define the analysis scope.

02

Modeling & Analysis

FEA models built in ANSYS/Nastran. Hand calculations validate critical results.

03

Report & Review

Formal analysis report with margin summaries, plots, and recommendations delivered for design review.

04

Design Support

Iterate on design changes, re-run analysis, and support qualification through test correlation.

Let's Discuss Your Program

We're ready to support your next analysis effort. Reach out for a free consultation.

Contact Us