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Material Models of Plastics and Foams for Crash Simulation


Description

Numerical simulation has become a fundamental element in the development of motor vehicles. Today, many important design decisions, especially in the field of crash, are based on simulation results. During the last few years there has been an increase in the use of foams in vehicles. These are, due to their variety and structure, much more complicated regarding the characteristics of the materials than "simple" materials such as steel or aluminum, which can be modelled rather well. Characterization of foam materials is a great challenge for the simulation expert. Although by now there are different modelling approaches available in explicit FEM-programs such as LS-DYNA, PAM-CRASH or RADIOSS, these are, however, often not satisfactory. The application of these special material models requires a sound knowledge and experience. The seminar provides an overview over plastics and foam materials used in automotive engineering and their phenomenology. On the first day you obtain an introduction into the simulation of elastic and visco-elastic polymers, such as elastomers and elastic polymer foams with volume elements. You are thereby coming to understand the available material models in explicit finite element programs. On the second day the focus is on the treatment of plastics, such as thermo- and duroplastics through elasto-plasticity with isotropic hardening. Non-associated deformation is going to be discussed as well. The seminar is rounded off with the procedure for simulation of glass-fiber reinforced plastics using both isotropic and anisotropic material laws. For a demonstration you are going to see examples created with the program LS-DYNA. References to material models in LS-DYNA an PAM-CRASH are going to help you in applying what you will have learnt.

Who should attend?

The seminar addresses experienced CAE engineers and heads of CAE departments with an interest in plastic and foam materials simulation. At least 1-year of experience with FEM-programs such as LS-DYNA, PAM-CRASH or RADIOSS is suggested for participating in this course.

Course Contents

  • Overview of polymer materials used in vehicle construction
  • Verification and validation procedure for crash simulation
  • Introduction to mechanics of materials
  • Simulation of elastic and visco-elastic rubbers and foams with volume elements
  • Overview of available material models in explicit finite element codes
  • Simulation of elastic-plastic polymers under crash loading for validation
  • Simulation of anisotropic materials with application to glass-fiber reinforced plastics

Prof. Dr.-Ing. Stefan Kolling
Giessen University of Applied Sciences

Kolling Stefan Kolling is Professor for Mechanics at the Giessen University of Applied Sciences (THM). Previously he worked as a simulation engineer at the Mercedes Technology Center in Sindelfingen. He was responsible for methods development in crash simulation. In particular he was involved in the modelling of non-metal materials such as glass, polymers and plastics. Prof. Kolling graduated from the Universities of Saarbrücken and Darmstadt, from where he also received his Ph.D. He is author of numerous publications in the field of material modeling.

Date Language Price Code
22 May - 23 May 2019 English 1340 EUR  (1590 EUR from 25 Apr 2019 ) 3313
Venue  
Alzenau (carhs.training gmbh, Siemensstraße 12, 63755 Alzenau) » Register
Instructor  
Prof. Dr.-Ing. Stefan Kolling (Giessen University of Applied Sciences)
 
Seminar hours  
Wednesday 09:00 - 17:00
Thursday 09:00 - 17:00

This course is available as an in-house seminar. The trainer comes to your site - you save travel expenses and travel time. Get an offer.

Your contact person

Dr. Dirk Ulrich
Phone.: 06023 - 96 40 - 66
E-Mail: dirk.ulrich@carhs.de

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