The business environment is constantly evolving and organisations may not always have resources to fulfil every innovative concept. Invenio has in-house capabilities to manage projects from ideation, design and product development, prototype testing to manufacturing. We can also help set up a single system of record to support diverse data needs and recommend best practices learnt during operation to improve on future system roll-out.

Invenio China provides the following specialist services in CAE / Computation and Simulation:

FEM STRENGTH ANALYSIS

• Assessment of emergency stop effects and shock calculations incl. technical documentation
• Transport, earthquake, explosion as well as positive and negative pressure simulations
• Multi-body analysis as the basis for strength calculations
• Buckling, stability and damage analysis
• Inertia, damping effects and vibration behaviour taken into consideration
• Dynamic collision assessments in the field of automotive, railway as well as medical devices
• Linear, non-linear as well as static and dynamic structure calculations

CFD FLOW ANALYSES

• Flow calculations with fluids, gases or mixtures
• Calculation of flow velocity, flow distributions and pressure losses
• Laminar and turbulent flow behaviour
• Single and multi-phase flows – compressible and in-compressible media
• Interaction with the surrounding construction (fluid structure interaction)
• Filling procedures with free fluid surfaces including sloshing
• Calculation of wind loads on components and structures

STRENGTH VERIFICATION

• Evaluation of fatigue strength according to the applicable procedures and norms
• Report preparation for testing or certification authorities
• Strength verification of adhesive and riveted connections
• Testing of fatigue strength of plastics
• Evaluation of stresses in weld seams
• Evaluation of stresses from the spectral vibration analysis (ʹvibrating tableʹ)
• Systematic calculation of high duty bolted joints

TEMPERATURE FIELD ANALYSES

• Stationary and non stationary temperature field calculations
• Thermo-mechanical analysis
• Heat transfer via convection, radiation and conduction
• Assessment of structural behaviour taking thermal expansion and contraction into account
• Coupling of temperature field- and flow analysis
• Thermal flow simulations with chemical reactions
• Thermo shock simulations

VIBRATION ANALYSIS

• Modal analysis for determining the Eigen frequencies
• Spectral analysis – simulation of a vibration table test
• Dynamic response analysis in time and frequency range
• Simulation of fatigue vibration strength
• Identification of deformations due to vibrations
• Stiffness optimisation to avoid resonance effects
• Determination of the required damping properties

EVALUATION OF RESULTS BASED ON NORMS AND GUIDELINES (EXCERPT)

• DIN EN 12663 – Structural requirements for rail vehicle bodies
• DIN EN 13749 – Method of specifying the strength requirements of bogie frames
• DIN EN 15227 – Requirements for collision safety for rail vehicle bodies
• DIN EN 61373 – Shock and vibration tests
• Eurocode 3 – Measurement and construction of steel structures
• FKM-Guideline for strength assessments on machine components
• DVS-Guideline 1608/1612 – Form and fatigue strength evaluation of weld connections

VEHICLE SAFETY

• Crash analysis of vehicle structures and components
• Airbag analysis – Airbag door opening and loading on adjacent components
• Analytical design of the front of the vehicle with respect to pedestrian safety
• Calculation of passenger protection in front and side impact collisions
• Interior design for the cockpit, greenhouse and door trim
• Seat calculations including seat belt and mountings
• Layout of surrogate tests for component development

OPTIMISATION OF COMPONENTS

• Geometry optimisation based on strength analysis
• Improvement of flow and thermomechanical parameter
• Analysis on the use of alternative materials
• Avoidance of critical stress singularities
• Weight reduction compliance with strength and stiffness requirements
• Parameter optimisation, for example in occupant restraint systems
• Proposals for solutions taking structural feasibility into account

The extensive portfolio and the many years of expertise in the field of computation and simulation bring our customers a distinct competitive advantage in engineering.

Contact us today to discuss your technical services requirements.