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Simuneer Team März 2026
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NUMECA Ingenieurbüro is now Simuneer

Keeping the same dedication and passion you have known for 29 years.

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Support hotline:
+49 9187 410-310
Support e-mail:
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Simuneer Team März 2026
Click here

NUMECA Ingenieurbüro is now Simuneer

Keeping the same dedication and passion you have known for 29 years.

Read more

Simuneer Team März 2026
Click here

NUMECA Ingenieurbüro is now Simuneer

Keeping the same dedication and passion you have known for 29 years.

Read more

Simulation for Turbomachinery

The best CFD software, the fastest solver on the market: We shine with superlatives and specialist knowledge in the simulation of turbomachinery. See for yourself.

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Complex Physics Made Easy

with Simuneer and Cadence Fidelity® CFD Software

A turbo workflow that covers everything

From the blade model to meshing and evaluation: Fidelity CFD bundles the complete CFD process specifically for turbomachinery — RANS and LES. Your benefits: consistent data flows, less work, faster and more precise results.

Do you need help getting started? No problem, we can advise you and develop individual workflows and standards for your use cases.
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High speed, top network quality — structured and hybrid

The fact is: Fidelity CFD offers the highest mesh quality and the fastest solver for calculating and analyzing turbomachinery. No software is faster on the CPU and GPU.

Structured multi-block meshes from the variable blade gap to the wheel back deliver maximum accuracy with reduced computing effort. The hybrid meshing with unstructured areas precisely complements complex geometries - without any loss of quality.
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From pumps to turbines: CFD software for every turbomachine

Pump, compressor or turbine: Fidelity CFD covers all types and provides reliable key figures across many stages. With Nonlinear Harmonic (NLH) + FSI, you can map rotor-stator interactions based on frequency in hours - ideal for quick variant comparisons.

Multiphysics included: CHT (conjugate heat transfer) for temperature and cooling analyses, cavitation for operating limits and damage risks, aeroacoustics for sound and tonality predictions - all integrated in a seamless workflow.
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Switch on the turbo.
With us and Fidelity CFD

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Fidelity CFD Platform

Specialized modules for Pre-Processing

Autogrid — Meshing (structured)

Autogrid is the fully automatic, structured multi-block mesh generator for turbomachinery: It networks pumps, fans, compressors and turbines with any number of stages and delivers high-quality, solver-friendly meshes for optimum CFD results.

  • Guided wizard sets optimum network settings
  • Geometry features such as cavities, fillets and side wall contouring
  • Scripting capability integrates Autogrid seamlessly into your process chain
node-compliant structured multi-block mesh with partial gaps such as penny slots on Fidelity® Autogrid fans
High-quality solver-friendly networks for radial turbines and compressors with CFD simulations
Structured automatic meshing of axial turbines and compressors with any number of stages with Fidelity® Autogrid
Structured meshing of sidewall contouring in combination with high-quality butterfly fillets for turbomachinery
guided wizard for optimal network settings of a mixed-flow fan with Bulb in Fidelity Flow Autogrid

Hexpress — Meshing (unstructured)

Hexpress is the unstructured mesher in Fidelity®: It generates hexahedron-dominant or purely hexahedral meshes for complex geometries.

  • Unclean CAD can be meshed directly without time-consuming preparation
  • Thanks to efficient parallelization, solver-friendly, high-quality networks are created in a short time, even with high cell counts
  • Ideal for fast Pre-Processing workflows
Fidelity® Hexpress : Complete vehicle networking for the interior and exterior of a Honda CAD model
Purple surface mesh and hexahedron-dominant volume mesh of the DPW-7 Wing Body, created with Fidelity Hexpress.
Hybrid networked model of the KJ66 micro gas turbine for overall engine simulation
high Quality hexahedron dominant ship propeller meshing with Fidelity® Hexpress, combination surface to volume and volume to surface

Pointwise — Meshing (manual/hybrid)

Pointwise creates structured, unstructured and hybrid meshes of the highest quality, compatible with numerous solvers and simulation tools.

  • Customizable script templates standardize your workflow
  • Overset- and High-Order-Meshing
  • Export to almost any CFD solver format integrates meshing seamlessly into your process chain
hexaeder dominate high quality Pre-Processing of cooled turbine blades with Fidelity® Pointwise meshing
Higher-Order Degree 2 Networking external aero simulation like airplanes in Fidelity® Pointwise
Pointwise enables automatic inviscid adaptation of meshing in CFD simulation for external flow such as automotive
Hybrid Pointwise crosslinking with hyperbolic extrusion for stable prismatic viscose layers External Aero CFD Simulation
Structured unstructured multiblock or overset networking of quadcopter drone with Fidelity® Pointwise
Structured meshing of complex organic shapes such as hearts with Fidelity® Pointwise export in any solver format

Fidelity Turbo — Solver (turbo machines)

The fast specialist for turbomachinery: Fidelity Turbo is a structured solver with many customized special modules for the world of turbomachinery.

  • From fans and pumps to compressors and turbines, it delivers reliable results and shortens development cycles
  • No solver is faster on the CPU and on the GPU
  • Frequency-based transient: The NLH (Nonlinear Harmonic) method calculates rotor-stator interactions extremely efficiently – always as a single-passage model and across any number of rows
Faster development cycles of centrifugal compressors with the specialized turbomachinery CFD solver Fidelity Turbo (relative Mach number)
Rodelta optimizes pumps for cavitation-free performance with maximum effect and minimum consumption with Fidelity Turbo

Fidelity Flow — Solver (platform)

As a flexible CFD platform, Open covers everything from day-to-day business to multiphysics.
  • Heat transfer (CHT), combustion, cavitation and particles
  • Mixed-mesh solver for all meshes
  • Automated workflows through Python API and batch mode
Micro gas turbine KJ66 multiphsik total engine simulatio inculsive combustion chamber with Fidelity Flow
Automatic mesh adaptation in Fidelity Flow with Pointwise and Hexpress meshes to increase solver accuracy and performance
Complete axial turbine configuration including inlet manifold, nozzle, rotor and outlet manifold in Fidelity Flow
Honda CRV complete analysis of heat management and air conditioning in the automotive with Fidelity Flow
Acoustic analysis with NLH method of a quad copter drone with multiple rotating axes with static pressure in the near field

Fidelity CharLES — Solver (High-Fidelity)

Fidelity CharLES is a specialized LES flow solver designed for very low numerical dissipation. In combination with high-quality Voronoi-based volume grids from Stitch, this enables precise resolution of turbulent structures at comparatively low cell numbers – ideal for demanding industrial applications.

  • LES for high Reynolds numbers with near-industrial computing times
  • Efficient HPC utilization thanks to excellent scaling on CPU and GPU
  • High accuracy for transition, detachment and rotor-stator interactions
Aeroacoustic analysis of high speed flow for aerospace application with Fidelity LES Simulation

More reasons to choose Fidelity CFD:

  • Modern, intuitive user interface
  • Combine structured and unstructured networks
  • Automatic switching between structured and unstructured algorithms per domain
  • Faster convergence for low velocity flows thanks to pressure-based solver
  • In-situ co-processing and local post-processing
  • Complete automation via the Python API

CFD Software for your industry:

HVAC

Turbomachinery

Navy

Aerospace

Hydroenergy

Automotive

Combustion

Highlights

Simulation of the unsteady flow of a three-fluid, pulse-charged turbine over 100 revolutions with Fidelity Turbo. The animation visualizes the temporal entropy development in the flow field and makes complex interactions visible.

Thanks to the fully structured computing grid, developers benefit from maximum accuracy, shorter development cycles and well-founded design decisions.

Fidelity® LES provides precise insights into turbomachinery flow, reduces development risks and supports informed design and investment decisions.

Hybrid CFD meshing: precise structured and flexible unstructured meshes for turbomachinery and complex geometries

Hybrid meshing in CFD combines precision and flexibility: structured meshes for high accuracy in flow channels combined with unstructured meshes for complex geometries.

This ensures precise results, efficient use of computing resources and stable simulations. Ideal for turbomachinery and complex CFD applications.

Surface and volume mesh of an impeller solid meshed with Surface to Volume (S2V) method in Fidelity Hexpress

With Fidelity® Hexpress and the surface-to-volume approach, networks can be created efficiently. Our life hacks show you all the steps you need to get started right away.

Vibration of an axial turbine blade using an interblade phase angle of 180° to determine the aerodynamic damping. Fluid-structure interaction in combination with the unsteady, frequency-based nonlinear harmonic method, which is orders of magnitude faster than the classical time-stepping method.

3, 2, 1 ... Flow!

We go the extra mile for you. That’s why we support you from day 0 of the software launch with tutorials, training and support.

Day 0

Start: Your software license is now active.

Day 0-5

Warm up and get to know the software with
2-3 tutorials

Day 6-7

2-day training course on meshing, simulation and post-processing for your specific application

Day 8-20

You apply the knowledge you have acquired — in close cooperation with our team

Day 21

1-day training for in-depth and special topics

Day 22+

We stay in close contact and are there for you — with professional support and our engineering services

Ready to get started?

Book a call

Or call us directly: +49 9187 410-310

Proven in Practice

Simuneer Team März 2026

NUMECA Ingenieurbüro is now Simuneer

Keeping the same dedication and passion you have known for 29 years.
Musterfirma GmbH

Read case study

Coverphoto by asoggetti on Unsplash

Extending quadcopter drone flight time and range with Fidelity CFD simulation

aerodynamic simulation and optimisation of an industrial quadcopter drone (UAV) in hover mode, the most energy intensive mode of this type of drone.
Musterfirma GmbH

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Distribution of the instantaneous blade surface disturbation pressure giving rise to aerodynamic damping.

Prediction of the unsteady Flow

Developing a workflow for accurate, reliable and affordable prediction of forced response vibrations in radial turbines, taking into account mistuning effects.
Musterfirma GmbH

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High-Fidelity-LES der EGR-gesteuerten Verbrennung in industriellen Gasturbinen

High-Fidelity LES of EGR-Driven Combustion in Industrial Gas Turbines

GPU-accelerated large eddy simulations (LES) of Solar Turbines’ Taurus 60 SoLoNOx combustor using Fidelity CFD.
Musterfirma GmbH

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ZigZag-Manöver ONRT Schiff in Großausführung inklusive beider Propeller und aller Anhänge

Why Fidelity Fine Marine Stands Apart in the CFD World

Discover how a purpose-built marine CFD platform can improve simulation accuracy while reducing turnaround time across propulsion, resistance, and seakeeping studies.
Musterfirma GmbH

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Surface and volume mesh of an impeller solid meshed with Surface to Volume (S2V) method in Fidelity Hexpress

Surface to Volume (S2V) Meshing in Fidelity Hexpress

Are you aware, that we can do unstructured meshing with a surface-to-volume (S2V) algorithm?
Musterfirma GmbH

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Beyond Software

We offer more than powerful software. Discover our simulation skills and services.

Consulting and simulation

Simulation, optimization or automation? We’ll take care of it.

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Training and education

We train your team and support your project with our know-how.

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Offer for start-ups

Get started right away with Simeneer and simulation-driven design.

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Software development

Your feedback is valuable — and ensures constant software updates.

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Individual software extensions

You need it individually? We develop what moves you forward.

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Technical support

For quick help from our software specialists.

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Get to know us

All-in-One:
Software and Skills

Software implementation, order calculation or troubleshooting: Talk to us about your challenges and goals. From professional to professional.

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Or call us directly: +49 9187 410-310