Multiphysics software receives update
An
ESI Group product story
Edited by the Engineeringtalk editorial team
Sep 28, 2007
Version 2007.2 speeds up CFD-ACE+ multiphysics software, helping bring products to market faster.
ESI Group has released Version 2007.2 of its CFD-ACE+ multiphysics software suite.
This new release speeds up solver efficiency and helps customers deliver innovative products to market faster.
"Increasing functionality and productivity has always been our goal".
"The new features of V2007.2 are a strong reflection of that target; our team has invested significant time in listening to customers' needs and has implemented the features they requested".
"While the new computing methodology provides a leap in performance, features like MRF drive down the simulation time and cost", says Richard Thoms, ESI Group's CFD Product Manager.
The V2007.2 release supplements the October 2006 release of V2007.0 with significant product enhancements, as well as more than 50 maintenance requests that offer increased accuracy, robustness and efficiency.
Simulation of turbomachinery has long been a challenge because their design includes both moving and stationary components, which means they need to be solved under computationally expensive transient conditions.
CFD-ACE+ V2007.2 employs Multiple Reference Frame (MRF) to solve turbo characteristics in a steady-state manner without the need to physically rotate the parts.
This advancement provides quick and accurate results to evaluate different design alternatives, even before the physical prototype is built.
Volume of Free Surfaces (VOF) for unstructured meshes eliminates the requirement of structured mesh for complex geometries.
The automatic nature of the techniques used to create unstructured meshes saves users' time and effort and, since in many cases an unstructured mesh contains far fewer cells than the corresponding hexahedral grid, time to solution can be faster.
This feature will benefit users of free surface applications in large-scale applications where surface tension is not important, such as in the marine and consumer packaging industries.
The Fast Time-Stepping Scheme, a major solver enhancement, allows faster solutions for complex and expensive transient problems.
This scheme precludes multiple global iterations within each time-step.
Instead, a number of sub-iterations are performed on individual equations followed by a single global iteration to obtain a solution.
Using one global iteration rather than tens or hundreds drastically reduces the amount of CPU time needed for each time-step.
Among other additional functionalities, V2007.2 offers electrochemistry improvements for electroplating and fuel-cell applications; enhancement in electromagnetic user sub-routines for semiconductor customers; the addition of Detached Eddy Simulation (DES) and v2f turbulence models; and a new transition turbulence model for greater accuracy with transitional flows.
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