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Ansys Vista TF | Logiciel de Conception et de Simulation de Turbomachines

Ansys Vista TF is specialized for turbomachinery design and allows you to perform ultra-fast simulations for preliminary designs.

 

 

 

 

 

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Iterative Design and Analysis of a Hydro Turbine via Finite Element Analysis (FEA) and Computational Fluid Dynamics (CFD)

 

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Comprehensive Solutions for Turbomachinery Design

 

 

 

 

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Vista TF ➢ T-Mach Design and CFD Simulation Specs

 

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The Vista TF data warehouse provides an integrated overview of incompressible flow turbomachines and their design, with particular emphasis on pumps and turbines.

  • Vista TF Knowledgebase supplies both theory and empirical examples of turbomachines are brought together in detail to form a framework for a basic understanding of this complex subject.
  • In addition, Incompressible gas and liquids can be used to model fans, pumps and hydraulic turbines.

What is Incompressible flow?

In the field of engineering, continuum mechanics or more specifically, fluid mechanics, incompressible flow (also referred to as “isochoric flow”) belongs to a flow in which the associated density is constant inside a fluid parcel, a miniscule volume that streams with the flow velocity. A comparable declaration that implies incompressibility is that the deviation of the flow velocity is zero.

Incompressible flow doesn’t indicate that the fluid itself is inelastic. It has been demonstrated through rigorous research in the field that under the proper circumstances, even elastic fluids can be exhibited as an incompressible flow. Inelastic flow assumes that the density remains constant within an allotment of fluid that streams with the corresponding flow velocity.

 

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  • The behavior of real gases can be reproduced by using Vista TF’ data warehouse of gas property tables. The methodology often employed consists of a local fitting of gas data to provide the thermodynamic property required by the solver in each solution step.
  • This system produces several characteristics which make it attractive as a design simulation software for industrial applications.
  • First, the method functionality in the solver is simple and straightforward, as it doesn’t necessitate applicable changes in the solver structure. Additionally, it is centered on a low-computational-cost algorithm, which mitigates considerable increases in the overall computational time, and company operating costs.
  • Lastly, the methodology is extensive in terms of utility, but generalized in terms of its application of industry, since the software allows engineers to handle any type of gas, gas mixture or steam over a wide operative range.

 

 

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  • Visualize blade loading charts, circumferentially averaged meridional vector and contour plots and machine performance quantities.
  • Ansys Vista TF software was specifically designed to enable an effective CFD postprocessing of rotating machinery. Vista TF contains a unique slew of plugins for all kinds of rotating machinery, including both radial and axial machines.
  • In addition, Vista TF is not reliant on other software and pairs well in compatibility with many Open-Source plug-ins.
  • Vista TF Turbomachinery CFD enables a quick and efficient design optimization of turbomachinery components.
  • SimuTech Group also provides full technical support for the package, and the SimuTrain info-sessions are maintained and regularly updated. In fact, our engineers are currently working on supplementary software modules and extensions covering connectivity limitations with 3rd party applications.
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  • Turbomachinery design through Vista TF is consistently carried out by means of automated workflows based on high-fidelity physical models and optimization algorithms.
  • The parametrization of the blade geometry is a fundamental aspect of Vista TF workflows because it defines the design space in which an optimal solution can be found.
  • Currently, parametrization approaches simulated by Vista TF can even be tailored to one particular type of turbomachinery blade should the project require such specificity.
  • Shape derivatives requiring gradient-based optimization, or those not suited to re-parametrize a baseline blade geometry defined by a set of scattered point coordinates, can also be configured by Vista TF in a systematic way.
  • Though many of the specs have fixated on specific applications, a general blade parametrization method for axial, radial, and mixed flow blades based on typical turbomachinery design variables and NURBS curves and surfaces is readily available. The shape derivatives can be computed by means of the complex-step method, allowing the integration of the parametrization into gradient-based shape optimization workflows.
  • In addition, the simulation process enables the re-parametrization of a blade geometry defined by a cloud of points by solving a two-step optimization challenge. The capacities of this “problem-solving” method are exhibited, in such examples, by replicating eight blade geometries in two and three dimensions with a precision analogous to the tolerance thresholds of our clients’ current manufacturing technologies.
  • As directed, Ansys Vista TF can easily handle highly curved walls, curved leading and trailing edges and splitter blades.
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Go from a single passage up to multi-stage machines to obtain excellent aerodynamic performance.


  • Vista TF provides a data warehouse, and corresponding solutions sets for 3D CFD based models of the time-averaged flow field within axial flow multistage turbomachines.
  • Software emphasis has been placed on models that are compatible with the industrial design environment and those models that offer the capability of providing credible results at both design and off-design operating environments.
  • The demand to develop models free of aerodynamic input from semi-empirical design systems is stressed. The precision of such models has often been shown as dependent upon their ability to account for the unsteady flow environment in multistage turbomachinery.
  • The relevant flow physics connected with unsteady flow processes produce in axial flow multistage machinery are offered along with procedures that can be used to account for such anomalies in 3D CFD simulations.
  • Pre-Design sample simulations are produced for both axial flow compressors and axial flow turbines that help to illustrate to engineers the enhanced predictive capabilities afforded to their workflow by including these procedures in 3D CFD simulations.

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