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CZone

Accurate, Predictive Composite Crash Analysis

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Proven time and again in motorsport, Engenuity’s CZone crash prediction software is the industry standard for predictive composite crush analysis.   

Using only experimentally gathered material data and your geometry, CZone accurately predicts both the crush front propagation and failures in the back-up structure for even the most complex designs.  
Being purely predictive, physical full vehicle or front-end structural impact tests only need to happen once, rather than multiple costly tests to correlate the model and optimize the design.

Contact us now and learn how we can help you speed up your development process, reduce costs and develop lighter and safer crash structures.   
CONTACT
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COMPOSITE CRUSH MODELLING WITHOUT NON-PHYSICAL VARIABLES

For many years the finite element analysis community has attempted to develop reliable composite crash simulations. Engenuity carried out extensive reviews of the capabilities of programs such as LS-Dyna Mat54 and Mat58, PamCrash, Radioss and MSC.Dytran without finding a solution that can satisfy the dual needs of predicting failure in the back-up structure and also in the area where the material fragments and absorbs energy in the process at the crush front. The crashworthiness working group of Composite Materials Handbook CMH-17 have undertaken a similar exercise and it is apparent that all the conventional codes require the use of non-physical parameter variables. The sensitivity to factors such as element size, contact definition, load–penetration curve, crush front softening parameter, among others makes these approaches unsuitable for predictive analysis.  

CZone is the answer. It uses the standard FEM product development route; characterise the material, create the model, use the results to optimize the design. You can be confident the model will correlate with the physical test without tweaking mathematical expedients.    
Stress life of 3D printed material in 3 axes
CZone simultaneously predicts both the crush front and failure in the back up structure
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CHARACTERISING COMPOSITE MATERIALS FOR CRUSH STRESS & SEA

At Engenuity’s in-house test laboratory we have designed and built a custom drop tower specifically for measuring dynamic compression energy absorption and crush stress. By varying impact speed we vary strain rate, with high speed cameras running DIC to recover 2D strain. This data can then be used by CZone and other software packages for more accurate crash predictions. 

Learn more about crush stress testing here.
Additive manufacturing engineering development including material testing, design and verification
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MAKING ACCURATE CRASH PREDICTIONS

The CZone Technology is commercially available as CZone for Abaqus, an add-in for Simulia’s Abaqus/Explicit finite element analysis software worldwide through the Simulia sales channel.  

For alternative ways of making use of CZone without requiring an Abaqus/Explicit license, please get in touch.  
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Our network of experienced sales engineers at Engenuity are happy to assist you with any question on the use of these equipments. With over 30 years of experience, our team will find the configuration that will perfectly fit your needs.​

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Contact us now and learn how we can help you improve your Laboratory
contact
UK
Unit 7, Paynes Place Farm
Cuckfield Road, Burgess Hill,
West Sussex, RH15 8RG, UK
+44 (0)1444 457 257
enquiry@engenuity.net
Spain 
Paseo de Gracia, 97
5º 1ª , Barcelona,
08008, Spain
+34-938328227
​enquiry@engenuity.net
Germany
Melissenweg 8
86169 Augsburg,
Germany
+49-1759092434
enquiry@engenuity.net
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​ LEGAL INFORMATION.
  • About Us
  • Expertise
    • Material Cards
    • Composite Consultancy
    • Automotive Engineering
    • Motorcycle Engineering
    • Design for Additive Manufacturing
  • Techniques
    • Engineering Analysis
    • Material Characterisation >
      • Crush Stress & SEA
      • Charpy Testing
      • Cyclic Shear
      • Traveller Testing
    • Equipment & Software >
      • CZone
      • Engenuity LMS
      • Equipment for Dynamic Testing
      • DIC SYSTEM
      • Printer for Automated Panel Marking
  • Case Studies
  • Contact
    • Contact Information
    • Collaboration
  • Recruitment
  • Legal Information