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NWN Z-mat

Material-centric modeling and simulation system

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NWN Z-mat has been built around sophisticated mathematical material models, numerical algorithms, and tools such as stand-alone simulator and optimization program, in a modern software framework. A vast majority of the material models have been experimentally verified and validated in our own lab facilities. Many of these material models are being used in day-to-day design and simulation of high value components by enterprise customers.

Z-mat Library: Key aspects of material models include frameworks that support

  • Elastic, visco-elastic, visco-plastic, creep, and damage models suitable for small and large strain computations;
  • Many combinations of the above models, including multi-potential mechanisms; and
  • A wide variety of fail-safe algorithms with controls.

See this data sheet for more details.

Z-sim: GUI or input file driven material simulator for homogeneous deformation at a material point lets you specify either a history of stress or strain components along with a set of controls, in order to get response of any supported material for uniaxial, biaxial, simple shear or other possible deformation states.

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Z-opt: Works with Z-sim or full blown boundary value problem that is FEA simulation to optimize the material coefficients from a given set of test data.

Z-post: Examines FE simulations effectively to produce valuable insight. Some of our life time models are also calibrated against test data from our lab facility.

External Links: The modern software framework permits connections with major FEA programs. The following internal connections are also possible.

  • Z-opt with Z-sim and Z-mat Library for material calibration, and
  • Z-post with Z-sim and Z-mat Library for reliable fatigue life predictions.
NW Numerics’ 8.3 version is based on “Z-SET Base” from the early 2000s. The initial author of Z-SET Base is the Centre des Materiaux d’Evry, common research center of Mines ParisTech and Armines.
  • NWN Z-mat
    • Z-mat Library
    • Z-sim
    • Z-opt
    • Z-post
    • Interfaces
  • NWN Zébulon
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