midas NFX
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Pressure Vessels
midas NFX provides the robustness to analyze any type and shape of pressure vessels, and provides topology as well as size optimization capacities to continuously improve the design. Specific analysis features required for the analysis of pressure vessels like stress linearization and the possibility to combine any type of 1D,2D or 3D element together make NFX a powerful analysis tool for pressure vessel structural analysis.
Solutions of Pressure Vessels
Relevant Analysis
Linear Static Analysis
Using the superb analysis performance and the linear contact function of the high performance parallel processing solvers (multifrontal & AMG), models of any complexity can be analyzed quickly and accurately.
  • Linear stress, displacement and safety factor calculations
  • Linear contacts: single-body motion, sliding, interpolation link
  • Prestress function
  • Diverse and yet practical loads and boundary conditions
    - Loads: self-weight, centrifugal force, concentrated load, moment, temperature, pressure, beam load, pipe internal pressure, remote load, bolt load, etc.
    - Boundary conditions: constraint condition, symmetrical condition, MPC condition, etc.
  • GUI based subcase definition, calculation of results and transformation of result coordinate system
  • Outstanding analysis speed due to high performance parallel solvers
    - Direct method: multifrontal solver
    - Iterative method: AMG solver
  • Checking practical analysis results (convergence error caused by mesh density, etc.)
  • Extraction of stress results using surface elements
Modal / Buckling Analysis
Nonlinear Static Analysis

News & Events
Enhancements in NFX 2019R1
Enhancements in NFX 2018R1
Enhancements in midas NFX 2017R1