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ANSYS Mechanical HPC brings together a wide variety of high-performance computing (HPC) solutions together, including ANSYS® VT Accelerator™ and parallel computing.
VT Accelerator: Variational Technology Applied to Solver Speedup
Variational Technology has been applied to two distinct types of mathematical
problems: nonlinear solutions for structural and thermal analyses and harmonic
analysis. These capabilities are referred to as VT Accelerator. VT Accelerator
provides a 2X to 5X speedup for the initial solutions depending on the hardware,
model and type of analysis. VT Accelerator makes re-solves 3X to 10X faster
for parameter changes, allowing for effective simulation-driven parametric
studies of nonlinear and transient analyses in a cost-effective manner.
You can make the following types of changes to the model before a VT Accelerator
re-solve:
VT Accelerator for Nonlinear Solution Speedup
VT Accelerator for nonlinear solutions speeds up the solution of applicable
nonlinear analysis types by reducing the total number of iterations. VT
Accelerator supplies an advanced predictor–corrector algorithm based
on Variational Technology to reduce the overall number of iterations for
nonlinear static and transient analyses. It is applicable to analyses that
include large deflection, hyperelasticity, viscoelasticity and creep nonlinearities.
Rate-independent plasticity and nonlinear contact analyses may not show
any initial improvement in convergence rates; however, you may choose this
option with these nonlinearities if you wish to resolve the analysis with
changes to the input parameters. In general, VT Accelerator can be used
for:
VT Accelerator for Harmonic Analysis
The harmonic sweep feature of VT Accelerator provides a high-performance
solution for forced-frequency simulations in high-frequency electromagnetic
problems and structural analysis. For a structural harmonic analysis, the
material may have frequency-dependent elasticity or damping.
Distributed ANSYS: Parallel Power from Multi-Core to Clusters
Time is money! At ANSYS, we understand how much time means to you and that
multi-processing is one means to reduce analysis time. Multi-processing
computer environments (consisting of multi-processor servers or networked
workstations or clusters) may be employed to generate simulation results
much more quickly. The parallel portion of ANSYS Mechanical HPC facilitates
this highly effective means of operation.
With Distributed ANSYS, part of the ANSYS Mechanical HPC module, the entire solution phase runs in parallel including the stiffness matrix generation, linear equation solving and results calculations. Because each of the three main parts of the overall solution are running in parallel, the wall clock time is significantly reduced. On distributed hardware, the memory required also is distributed over multiple systems. This memory-distribution method allows you to solve very large problems on a cluster of machines with limited memory. With multiple processors, you can see significant speedup in the time it takes to run your analysis for both linear and nonlinear analyses.
Revolutionary is the new Distributed PCG Lanczos solver, which allows for the quick extraction of eigenvalues and eigenmodes for very large models greater than 100 million degrees of freedom. In addition to the Distributed PCG Lanczos, Distributed ANSYS supports Distributed PCG and Distributed Sparse solvers. As always, Distributed ANSYS works equally well on both distributed memory and shared memory hardware.
Multi-Processing Computer EnvironmentsMemory Architectures Supported
Analysis Types Supported by Distributed ANSYS
