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Non-Linear Dynamic Crash Simulation

Swift Engineering focused on structural integrity and manufacturing issues within the aerospace, marine, UAV, and recreational markets for over 40 years.
Dynamic crash simulation and impact analysis visualization.

Value

  • Minimize Time to Market via Virtual Prototyping
  • Design and Engineer for Full-Service Performance and Reliability
  • Time-Dependent Simulation for Strain-Rate Sensitive Structures
  • Design and Development of Frangible Structural Links
  • Access to Trade Space and Sensitivity Analysis

Capabilities

Crash Dynamic Simulations

  • Conceptual CAD to Full-Scale Prototypes
  • NASA SULE – Aircraft Runway Landing
  • NASA SULE – Camera Mount Shock Absorber
  • Swift020 – Landing Gear Energy Absorber
  • Swift020 – Bird Strike on Wing Leading Edge
  • Swift021 – Light Weight Battery Box Integration
  • Tube Launch – High G Camera Mount

Trade Studies & Feasibility Assessments
DARPA XS-1 – Glide Vehicle Release and Emergency Jettison

Crash Dynamic Simulations

Methodology

Explicit Finite Element Analysis
Complete Feature Analysis Including:

  • Structural Margin Definition
  • Non-Linear Hyperviscoelastic Material Models
  • Failure and Root Cause Predictive Analysis
  • Crash and Energy Mitigation

Analytical Methodology – Material Property Definition

  • Hyperelastic Material Property Definition (Mooney-Rivilin, Ogden)
  • Viscoelastic Material Property Definition (Prony Series)
  • Piecewise Linear Plasticity Definition
  • Honeycomb Johnson-Cook Definition

Metallic/Composite Failure Criterion
Von Mises, Max Strain, Tsai-Hill, Puck, & LaRC03

Trade Study Process

01

Problem Definition

Through discussions with the customer, define trade study goals, constraints, loads, allowables, geometry, analysis methodologies, safety factors, etc.
02

Feasibility Studies

Brainstorm various concepts and use bounding hand calcs to check the feasibility of multiple layouts/materials and down select concepts
03

Trade Analysis

Detailed analysis of the various potential solutions investigation the resultant manufacturing, weight, and cost pro’s and cons of each
04

Rank Solutions

Compare and rank the solutions to customer priorities
05

Report Results

Communicate detailed results and ranking and provide recommendations to the customer

Ready to reach new heights?

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