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Open Positions

Location: Belgium or Luxembourg

Job description: To support e-Xstream Management & Team in Luxembourg, we are looking for a Personal Assistant and office manager which will be responsible for:

  • Managing the CEO’s agenda and travels;
  • Managing the day-to-day office administration including
  • a. The organization of business trips;
  • b. Human resources: vacation, illness, training, expense reports, etc.
  • c. The office space and suppliers
  • d. Other administrative tasks
  • Provide support for internal and external marketing activities.
  • Other responsibilities may be added by management to meet the business objectives.

Requirements:

  • Minimum of 3 years of university (or equivalent) diploma.
  • 5 to 10 years of experience in an equivalent position.
  • High level of motivation with the ability to prioritize activities across multiple simultaneous tasks.
  • Strong written and oral communication in French & English.
  • Rigorous, reliable and ethical business standards.

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Modelling effects of crystalline morphology on short fiber reinforced plastic part performances

About the partners

e-Xstream engineering is a leading engineering high-tech software and services company 100% focused on state-of-the-art and innovative multi-scale material modeling technology. Our mission is to help our customers to excel in effectively and efficiently designing innovative materials and structures.

DSM is a global science-based company active in health, nutrition and materials. Amongst other DSM is providing short fiber reinforced materials that are processed by various techniques like injection molding and additive manufacturing. High-performance semi-crystalline polyamide are used to produce structural parts for, amongst other, the automotive industry.

Eindhoven University of Technology (TU/e) is a research university specializing in engineering science & technology. TU/e is already performing state-of-the-art research in the field of predicting crystallinity and its influence over material behavior of semi-crystalline partners.

About the subject

In order to save weight, fiber reinforced thermoplastics are successfully applied to replace metal in automotive applications. Virtual prototyping is a must in order to increase the speed of the development process. This can only be achieved by accurate simulation models that rely on accurate material models that include the effects of processing. In most cases thermoplastic materials reinforced with short glass fibers, processed by injection molding, are considered. For structural applications the polymer (e.g. polyamide) has a semi-crystalline microstructure that is determined by its temperature, pressure, and flow history during shaping and cooling. The microstructure will vary over the part and will determine the local material properties. In state-of-the-art material models the local glass fiber orientation, determined during injection molding simulation, can now be accounted for. Over the last decade these advanced material models have been applied in the design practice. The next step is to extend these material models to include the local polymer morphology and its effect on local properties. The first step is to include a model for the crystallization kinetics. Based on processing history the model predicts the degree of crystallinity, crystal type, and lamella thickness. Models are validated by controlled experiments that include X-ray measurements that can determine the crystalline morphology. Next, the effect of the crystal type, and degree of crystallinity on mechanical properties must be characterized and described in a model. Finally, all these building blocks must be included in a workflow, in order to model the structural performance of the targeted applications.

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Location: Belgium or Luxembourg

The job consists in working within the R&D team which develops state of the art multi-scale technology for modeling heterogeneous materials. The technology relies on models and methodologies to simulate the behaviors of complex material during their processing or during their life time. The models and methods are implemented in the DIGIMAT suite of software for the accurate, robust and efficient simulation of a large variety of composites materials and structures in the automotive, aerospace, and many other industries in Europe, USA and Asia. As member of the core software development team you will be in charge of developing new models and methodologies aiming at doing material engineering (e.g. predicting material performances following material microstructure), virtual testing, structural engineering as well as ICME (Integrated Computational Material Engineering).

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Location: Belgium or Luxembourg

Le poste comprend un rôle d'administration des ventes, une aide à la gestion de projets ainsi qu'un rôle de marketing. L'objectif du rôle d'administration des ventes est de soutenir l'organisation de développement des affaires de la société dans ses opérations quotidiennes en gérant les tâches administratives des ventes de logiciels, y compris, entre autres : la documentation des ventes, la facturation et la génération de licences. L’aide à la gestion de projets consiste à assurer un rôle de support à la gestion administrative de projets subsidiés, via des tâches telles que l’organisation d’événements ou de collectes d’informations auprès des partenaires. L'objectif du rôle d'assistant marketing est de soutenir la promotion et la vente des produits et services de la société à travers des tâches marketing créatives, des communications digitales et l'organisation d'activités promotionnelles.

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Location: Belgium or Luxembourg

The job consists in working within the R&D team which develops state of the art multi-scale technology for modeling heterogeneous materials. The technology relies on models and methodologies to simulate the behaviors of complex material during their processing or during their life time. The models and methods are implemented in the DIGIMAT suite of software for the accurate, robust and efficient simulation of a large variety of composites materials and structures in the automotive, aerospace, and many other industries in Europe, USA and Asia. The candidate will be responsible in developing DIGIMAT solutions for cellular materials. It includes doing material engineering (e.g. predicting material performances following material microstructure), virtual testing, structural engineering as well as ICME (Integrated Computational Material Engineering).

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Location: Belgium or Luxembourg

The job consists in working within the R&D team which develops state of the art multi-scale technology for modeling heterogeneous materials. The technology relies on models and methodologies to simulate the behaviors of complex material during their processing or during their life time. The models and methods are implemented in the DIGIMAT suite of software for the accurate, robust and efficient simulation of a large variety of composites materials and structures in the automotive, aerospace and many other industries in Europe, USA and Asia. The candidate will be responsible in developing DIGIMAT solutions for CFRP. It includes doing material engineering (e.g. predicting material performances following material microstructure), virtual testing, structural engineering as well as ICME (Integrated Computational Material Engineering).

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Location: Belgium or Luxembourg

The job aims at supporting e-Xstream’s Engineering Services business through the execution of a variety of services projects on plastics/composites materials and structures. The responsibilities include:

  • Elaborate new modeling methods
  • Prepare finite element models (FEM: mesh, loads and BCs…) of various structural parts
  • Perform structural FEA, assist customers designing and validating plastic parts
  • Manage project schedule, communication and reporting with customers and partners
  • Participate to Customer Services activities such as presales, support, trainings & knowledge transfer activities…

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Location: Belgium or Luxembourg

The job aims at supporting e-Xstream’s Engineering Services business through the execution of a variety of services projects on plastics/composites materials and structures. The responsibilities include:

  • Coordinate test campaigns, analyze test data and calibrate material models
  • Elaborate new modeling methods (e.g. additive manufacturing, 3D wovens, SMCs)
  • Execute virtual testing studies
  • Manage project schedule, communication and reporting with customers and partners
  • Participate to Customer Services activities such as presales, support, trainings & knowledge transfer activities…

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Location: Jointly in a Research Center located in the United States and at e-Xstream in Luxembourg

e-Xstream is proposing a Post-doc in the field of Computational Material Modeling for the advanced modeling of continuous fiber materials. Fiber-reinforced polymer-matrix composites (FRPs) are widely used today for aeronautical applications and their use is generally accepted for primary and secondary parts. Though all the progress done over the last twenty years in terms of design, their manufacturing process remains expensive in terms of tool investment but also of processing and development time required to reach a perfect final quality part. Defects arise such as porosity, dry area or wrinkle of the reinforcement which force the manufacturer to follow a costly and slow trial-and-error procedure.

The Post-doc will be performed jointly in a Research Center located in the United States and at e-Xstream in Luxembourg. This research center is a leading research institute in the field of Aeronautics and Composites Materials. Both actors of this project are closely collaborating with major players in the aeronautic sector.

The objective of the Post-doc is to develop models and methodologies, to be inserted in a predictive simulation tool, leveraging existing capabilities of the Digimat software package. The simulation tool aim at speeding-up the material development cycle based on a deep knowledge of the material microstructure, its link with the manufacturing process and the final end performances.

This objective will include the following activities:

  • Process modeling: Rheology, curing and thermal behavior of the composites will have to be accounted for to predict internal stresses, occurrence of defects, ...
  • Material modeling: Analyze the effect of the presence of defects on the final mechanical properties of the composites and later over the structural performances.
  • Uncertainty quantification: Account for the statistical distribution of defects occurrence to predict the material allowables.

These aspects will have to be integrated in a multi-scale analysis workflow as the final objective of this work is to apply the simulation tool on an industrial metric (e.g. an aeronautic part). This multi-scale simulation tool will rely over full-field homogenization (e.g. finite element based homogenization) as well as on mean-field homogenization.

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Location: Belgium or Luxembourg

The job aims at supporting e-Xstream’s Business Development team developing and supporting Digimat business world wide. The responsibilities include:

  • Engineering Services:
  • Use Digimat to develop advanced multi-scale material models
  • Model advanced structures using Digimat and major FEA Software
  • Manage engineering projects time, budget and customer communication
  • Pre-sales: Customer visits & Technology demonstration
  • Post-sales: Customer Training & On-site/Off-site Support

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Why e-Xstream?


Life at e-Xstream
http://www.e-xstream.com/about-us/about-e-xstream/company