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CADFEM ANSYS extension for combining of injection molding simulation with ANSYS Workbench

Two worlds, one goal

Two types of simulations play a central role in the development of components made of short-fiber reinforced plastics: While the manufacturing process is mapped in an injection molding simulation, the strength calculation involves the determination of the structural mechanical behavior of the component under test.

The MoldSim NL inside ANSYS solution developed by CADFEM combines the results of both simulation worlds in the interests of optimum product quality. It enables the direct transfer of essential information from the injection molding simulation to the structural mechanics calculation in ANSYS Workbench, using an elastic-plastic material law.


  • Complete embedding in ANSYS Workbench, from the import of injection molding data to results analysis
  • Efficient calculation of the effective material constants of the short fiber reinforced thermoplastic directly in ANSYS


Moldsim NL is an advancement of MoldSim and offers:

  • Elastic-plastic material description of short fiber reinforced thermoplastics
  • Curve fitting of test data to determine the hardening parameters with optiSLang algorithms of our partner Dynardo
  • Performance gain through support for ANSYS Distributed Memory Parallelization (DMP)

    Technical Informations

    System requirement:


    • ANSYS Workbench up to version 16
    • Support of Autodesk Moldflow Insight, Moldex3D, SOLIDWORKS Plastics, Sigmasoft
    • On request enlargement on other injection molding tools

    The direct path from injection molding to structural mechanics

    Short fiber reinforced plastics can be found in many industries, such as consumer goods, electrical, automotive, aerospace, shipbuilding or medical technology.

    In order to be able to comprehensively simulate the component behavior, it is necessary to depict both the injection molding process itself and the structural mechanical behavior.

    With MoldSim NL inside ANSYS, CADFEM has developed a solution that integrates the results from an injection molding simulation into the FEM simulation environment of ANSYS Workbench. This module supports an elastic-plastic material description to account for the nonlinear material behavior of many composite matrix materials.


    Optimum plastic components

    This allows the user to incorporate the influences of important injection molding parameters such as fiber orientation, fiber content or warping stresses on the structural behavior of the ANSYS Workbench calculation.

    Embedding the external injection molding data and material modeling into a consistent simulation environment is critical to an efficient product development process, providing an efficient foundation for significant design improvements.


    Your start in the world of simulation

    Your start in the world of simulation

    • Introduce simulation safely
    • 4 steps to be operational
    • Accompaniment throughout the process


    CADFEM-ANSYS ATC is a single stop shop for knowledge sharing to fulfill the skill gap between industry and academia.