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KISSsoft Detailed Gear Design & Fatigue Analysis

FSAE 2026 - Advanced Drivetrain Engineering

Project Overview

Professional gear design validation using KISSsoft software to refine planetary gearbox specifications with detailed lubrication analysis, oil viscosity selection, and comprehensive fatigue life calculations. Integrated load spectrum data and gear parameters from MATLAB optimization to perform industry-standard ISO 6336 fatigue analysis for the UT26 AWD drivetrain.

KISSsoft Gear Analysis Interface

KISSsoft interface showing detailed gear analysis results

Key Capabilities:
  • ISO 6336 compliant fatigue life calculations
  • Load spectrum input for realistic fatigue analysis
  • Oil viscosity selection and lubrication regime analysis
  • Integration of MATLAB-optimized gear tooth counts
  • Thermal analysis and efficiency calculations
Technologies Used:
KISSsoft ISO 6336 Fatigue Analysis Load Spectra Lubrication MATLAB Integration

Analysis Workflow

1. MATLAB Integration

Import optimized gear tooth counts, modules, and geometry from MATLAB sweep results as baseline design parameters.

2. Load Spectrum Definition

Input realistic load profiles from acceleration events, endurance conditions, and peak torque scenarios specific to FSAE competition.

3. Lubrication Selection

Specify oil viscosity grades and evaluate lubrication regime (EHL vs boundary) for contact stress and efficiency optimization.

4. Fatigue Validation

Calculate safety factors for pitting and bending fatigue using ISO 6336 standards to ensure adequate service life.

Engineering Considerations

ISO 6336 Standards

Industry-standard calculation methods for gear strength, contact stress, and fatigue life prediction.

Load Spectrum Analysis

Cumulative damage assessment using Miner's rule across multiple load cases and cycle counts.

Lubrication Regime

Elastohydrodynamic lubrication (EHL) film thickness calculations to prevent metal-to-metal contact and reduce wear.

Impact

🔒 Design Validation

Professional-grade analysis ensures gearbox meets industry safety standards and fatigue life requirements.

⚙️ Lubrication Optimization

Data-driven oil selection balances efficiency, thermal management, and component protection.

Technical Achievements

This professional-grade analysis provided industry-standard validation for the planetary gearbox design, ensuring compliance with international gear design standards and competition reliability requirements.

  • Performed ISO 6336-compliant fatigue calculations for pitting and bending failure modes
  • Integrated realistic load spectra from acceleration, endurance, and peak torque events
  • Optimized lubrication selection based on elastohydrodynamic (EHL) film thickness calculations
  • Generated comprehensive design reports with full traceability to international standards

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