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Impact and Crash Simulations: Modeling and Analyzing Behavior Under Specific Collision Conditions

Precision in Motion: Engineering Tomorrow's Safety Today

Ansys LS-DYNAAnsys MechanicalPAM-CRASH

Overview

Impact & Crash

Impact and crash simulations are computational tools used to model and analyze the behavior of systems or structures under conditions involving sudden forces or collisions. These simulations are valuable for predicting how objects will behave in real-world scenarios without the need for physical testing. Impact simulations focus on modeling the effects of one object colliding with another, commonly used to assess the performance of components during accidents or high-energy events. Crash simulations specifically deal with vehicle collision scenarios, crucial in automotive engineering for designing safer vehicles and improving occupant protection systems.

Industries Served

AutomotiveConsumer ElectronicsConsumer GoodsMedical DevicesMobilityTransportationAerospace

Deliverables

Crush Sequence AnimationEnergy Absorption CurvesIntrusion MapsInjury Risk Report

Key Aspects

What Impact & Crash Involves

01

Explicit Time Integration

Using explicit FEA to simulate the rapid, large-deformation structural response during impact and crash events with accurate contact, failure, and fragmentation modelling.

02

Energy Absorption Design

Optimising crush zone geometry, trigger mechanisms, and material selection to achieve target energy absorption levels while controlling peak deceleration.

03

Regulatory Compliance Simulation

Running standardised crash tests — frontal, side, rear, rollover, pedestrian — to virtual-certify performance against NCAP, FMVSS, ECE, and Euro NCAP requirements.

04

Occupant Safety

Coupling vehicle structural response with occupant restraint models to predict injury risk metrics (HIC, chest deflection, femur load) for driver and passenger.

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