Cheap Ansys software

CAD Meshing Automation

CAD models typically contain several elements, gaps or contact between elements. The larger the amount of elements, contacts and gaps, the dirtier the geometry is. CFD engineers are to blame for cleaning geometry from a CAD file to extract the fluid volume and make the mesh: {this is|this is typically|this can be} often cumbersome and time consuming. In ANSYS 14.0, the assembly meshing tool automatically extracts the fluid volume from CAD assemblies. Furthermore, it automatically creates either cut-cell structured Cartesian meshes (hexahedral mesh elements) or unstructured tetrahedral meshes (cut-tet), looking on user goals and preferences.

The cut-cell technique provides a smaller range of cells and is good when high-quality cells are needed off from walls or boundaries. The cut-tet technique is good when high-quality mesh components are needed in regions near walls. Inflation layers are supported for each meshing techniques to permit correct resolution of regions of huge gradients (for example, shear layers and boundary layers). Using the assembly meshing tool, users who once spent a substantial quantity of your time on analysis pre-processing — geometry cleaning, fluid volume extraction and volume decomposition to make hexa/tetrahedral hybrid meshes — will currently get meshes of prime quality in an automatic, strong and quick manner.

Workflow Performance & Usability

Simulating one operating condition provides performance info, however engineers gain additional style insight by simulating the complete performance envelope. ANSYS Workbench provides a framework for style exploration and optimization by enabling parametric modeling of geometric configurations, mesh controls, material properties, and operating conditions, resulting in an automatic simulation method. ANSYS 14.0 permits style purpose updates to be submitted for simultaneous execution via the remote solve manager (RSM), as well as cluster computing environments.

Geometry Modeling and Interoperability for Simulation

Modeling operations in ANSYS DesignModeler currently directly settle for geometry entities (like faces, edges, vertices, etc.), additionally to supporting named choices and sketches. In ANSYS 14.0, all options and tools are out there for personalisation and exposure via the toolbars to assist users customise the interface with frequently used options together with tools for simple and direct access. many hot keys are added for frequently repeated operations to scale back the quantity of steps for a given task. alternative connected enhancements in ANSYS 14.0 embody automatic freeze throughout slice, higher error handling, simple toggle between single and box choose choices, and visualization controls for edge direction and vertices to spot and fix topological problems.

Parametric Modeling and Design Optimization

The adjoint solver of ANSYS Fluent permits engineers to compute the spinoff of engineering quantities of interest (such as drag, raise and pressure drop) with respect to the form of the geometry and alternative style parameters. This provides steerage on how best to switch the look to realize an improvement in performance and robustness. It additionally provides a fast quantitative estimate of the advance that may be expected for an intensive vary of design-change situations. the facility of adjoint technology is that the ability to achieve much more insight employing a single simulation than previously doable. Tight integration with ANSYS Fluent ensures that reliable and consistent style sensitivities are computed.

MAPDL/ANSYS Workbench Integration

ANSYS 14.0 introduces variety of options that enable the user to manage numerous elements of the finite part model among the mechanical setting. All connections like constraint equations, spiders or weak springs will currently be visualized. Users will produce choices of nodes using choice logic. as an example, these choices are often used to use masses and boundary conditions that may be changed throughout restart operations.

Composites

Simulation of composites structures brings further challenges, like the definition of a whole lot or thousands of plies on a structure, as well as numerous orientations, or ply-by-ply analysis of the structure’s potential failure. an ardent tool like ANSYS Composite PrepPost provides important simple use for such models. Release 14.0 tightly integrates ANSYS Composite PrepPost with alternative simulation in ANSYS Workbench. Release 14.0 provides specific modeling techniques for analysis of composites failure like progressive failure.

External Data Mapping

When results are to be shared between physics, normal observe is to import information, like pressure fields, temperatures or heat exchange coefficients, from external files. Automated algorithms offer a really economical tool to project the info from one mesh to a different. However, some issues will arise in cases of misalignment between the initial information and also the current mesh, or when the initial information is simply too scarce. The capabilities introduced at ANSYS unharness thirteen.0 are enhanced to produce users with further management and correction capabilities in ANSYS 14.0.

Turbomachinery

ANSYS 14.0 introduces the ability to identify critical speeds of single-spool systems with Campbell plots for solid and line bodies within ANSYS Mechanical, therefore allowing Workbench users to take advantage of solver technology in an efficient way.

Beams & Shells

ANSYS Mechanical introduces the flexibility for a user to toggle between pipe and beam formulation of line bodies; it additionally offers the flexibility to outline pipe-specific masses and results. ANSYS 14.0 supports the most recent generation of pipe components on the market from the MAPDL solver.

Users will import non-uniform thickness fields within the style of tabulated knowledge using the external knowledge capability. this allows direct import of bodies with variable shell thickness from simulation programs, like ANSYS Polyflow, and also the simulation of complicated events, like a plastic bottle drop take a look at with variable thickness being dropped when crammed with a liquid.

Mesh connections are enhanced to permit users to merge nodes between adjacent faces while not requiring geometric changes, to make sure that shared edges are on the market within the geometric model. This capability enhances the robustness and potency of meshing massive shell models.

Robust Explicit Solutions

Nodal-based strain (NBS) tet eliminates numerically difficulties encountered within the past: When using tet components in applications that bear shear, it end in components locking. Hex components are best suited to use with specific dynamics. However, advanced geometries will be tough or not possible to mesh with hex components. the common nodal pressure (ANP) tet, implemented a few decade ago in ANSYS specific Dynamics, solves the difficulties of volume locking however not shear locking. out there with ANSYS 14.0, the NBS tet part allows running issues with shear loadings with highly correct solutions.

ANSYS HFSS for ECAD

With the new Ansoft Designer links capability, engineers will produce totally solvable ANSYS HFSS models whereas operating in any Cadence layout tool (Allegro, Virtuoso and SiP). Thus, an engineer not must be skilled at using HFSS, since all the modeling steps are automated and may be done whereas within the Cadence surroundings.

For non-Cadence users, it's doable to use the ODB format and produce layouts directly into Designer. Once in Designer, the user will work in our layout editor and really simply and quickly build changes to the imported layout or automatically assign excitations and solve the imported structure using the HFSS Solver on Demand capability.

ANSYS SIwave Accuracy & Usability Enhancements

ANSYS SIwave introduces important enhancements within the calculation of vias and their associated structures. Enhancements embrace characterization of arbitrary anti-pad shapes and, in bound instances, coupled models for vias that are in shut proximity. there's additionally an improved methodology to handle unreferenced signal traces throughout simulation.

ANSYS SIwave includes the potential to run HSPICE or ANSYS Nexxim transient simulations directly from at intervals SIwave. Once a simulation is finished, the engineer will simulate and plot time-domain waveforms for signal nets directly from at intervals the SIwave tool.

3-D IC Packages

IC package makers have continued to evolve additional advanced packaging technologies, like system-on-chip, stacked die, and multi-chip modules, in a shot to keep up regularly increasing chip performance. Three-dimensional packages like a stacked die, within which multiple dies are stacked vertically within the same package, have distinctive thermal necessities. Three-dimensional structures do not unfold heat evenly throughout the chip, that creates native hot spots. With ANSYS Icepak 14.0, engineers will simulate thermal response of 3D stacked dies and package-on-package configurations.

Electronics Cooling Workflow & Usability

ANSYS Icepak 14.0 contains a brand new graphical user interface with new icons, redesigned menus and dialog boxes, expanded right-click functionality, enhanced graphics, and plenty of extra productivity enhancements. enhancements to ANSYS DesignModeler enable engineers to rapidly simplify and build Icepak objects from mechanical CAD knowledge. New variables in ANSYS CFD-Post (thermal chokepoint and thermal cross) permit engineers to spot areas with high thermal resistances and potential regions for a brand new heat flow path.

ANSYS EKM Product Installation & Setup

ANSYS EKM 14.0 brings new capabilities with important changes to simplify installation and licensing with EKM Individual and EKM Shared Products.

The EKM Individual setup allows an EKM server to be set up for an individual user on his own machine. The user can access the private repository on the individual server as well as have access to the full capabilities of EKM.
The EKM Shared Server setup allows an EKM server to be set up on a shared device that can be accessed by multiple users in a collaborative mode. Multiple users can access a shared repository in their LAN or across a WAN.

ANSYS EKM Productivity Enhancements

Integration with ANSYS Workbench permits saving current Workbench comes on to a specific EKM repository additionally as checking out a Workbench project and gap it from a specific repository. Tighter integration with Workbench facilitates collaboration with ongoing comes and permits multiple users to leverage the work that's being done by colleagues. There are varied usability enhancements for search and audit path that foster increased productivity.

Automotive Modeling

The ANSYS Workbench IC engine analysis system compresses setup time by automating steps in geometry setup, meshing, mesh motion, cold flow setup and post-processing. enhancements that embody the boundary layer throughout dynamic remeshing enable users to raised capture wall effects and improve mesh quality. ANSYS technologies enable quick and high-fidelity simulations of internal combustion engines.

Two-Way Coupling

Simultaneously leveraging the capabilities of computational fluid dynamics (CFD) and computational structural dynamics facilitates high-fidelity analysis of complicated multiphysics issues. a well known example is fluid−structure interaction (FSI). for instance, FSI are often the interaction between forces exercised by fluid on a solid structure, resulting in deformation of the structure. This deformation will, in turn, influence flow behavior and its impact on the structure. Another example of FSI is that the interaction between fluid and structure temperatures: giant variations in temperatures will result in structural deformation (solid material dilatation or contraction) in addition as changes in fluid dynamics (flow dilatation or contraction). ANSYS 14.0 adds two-way FSI capabilities between ANSYS Fluent and ANSYS Mechanical to the multiphysics portfolio for simulating complicated phenomena like flutter.

Advanced Modeling

ANSYS 14.0 introduces a spread of latest materials and enhancements to existing models. Biomedical applications will take pleasure in enhanced material formulations like the Holzapfel model to capture behavior of fiber-reinforced tissue or shape-memory alloys for stents modeling.

Moisture diffusion has been implemented in thermal, structural and paired simulations for electronic parts. ANSYS acoustics capabilities for coupled analyses are expanded to incorporate far-field parameters calculations similarly as an enhanced PML formulation. giant deformation simulations take pleasure in extension of 3D rezoning capabilities to variety of hundreds and boundary conditions similarly as support of a wider vary of nonlinear materials. ANSYS provides the simplest answer for brake squeal analyses together with advanced Eigen-methods to predict onset of squeal, new state-of-the-art linear ways and parametric studies.

Expanded Low-Frequency, Structural and Fluids Coupling

A one-way electromagnetic coupling with Fluent allows temperature feedback into electromagnetic designs based on a high level of accuracy provided by the CFD design simulation. This capability enables you to evaluate a variety of cooling system topologies and impacts to electromagnetic motor/generator behavior; the entire system can be optimized employing ANSYS Workbench.

Two-way electromagnetic coupling with stress analysis addresses effects due to electromagnetic force generation on electromagnetic structures that cause geometries to undergo deformations. The deformed geometries are automatically read by the electromagnetic software platform, which further recalculates electromagnetic field distribution. Thus, electromagnetic characteristics on the deformed structures are evaluated. Based on the coupling designed flow, the stress feedback can be used when thermal−stress simulation is involved.

Eulerian Wall Film Modeling

The Eulerian wall film model is new in the multiphase model family; it predicts the generation and dynamics of a liquid wall film created by accumulation of droplets, including liquid splashing, particles stripping, and film separation at wall edges. The behavior of incoming and separated liquid droplets is modeled via coupling with the discrete phase model (DPM). Both momentum and energy convection and diffusion inside the film are accurately modeled, allowing simulations as challenging as run-back on an aircraft wing or a car windshield.

Poly-Dispersed Flow Modeling

Understanding the behavior and dynamics of poly-dispersed and/or dense multiphase flows is of major interest for many industrial processes that involve sprays, gas−solid flows, gas−liquid flows, etc. (for example, injectors, fluidized beds and bubble columns). ANSYS 14.0 includes enhanced models for particulate flows and phase change processes. For example, you can model particulate flows with particle size distributions in both Eulerian and Lagrangian frameworks. You also can better predict burn-out in boiling applications.

Fluids Solver and HPC Performance

ANSYS is committed to providing solver and HPC enhancements release by release. ANSYS 14.0 features a comprehensive suite including architecture-aware partitioning, improved scalability for simulations with monitors enabled, and the full release of remote solver manager supporting heterogeneous networks. There is also support of automatic marking of bad-quality cells and invocation of more robust numerics on these cells for improved solver robustness and overall accuracy.

Turbomachinery modeling

The transient blade row methods in ANSYS CFX 14.0 are designed to operate on single blade passages and are targeted at three classes of problems. First, an inlet disturbance can be set up that has a different phase angle than the passage. Second, a moving mesh can be implemented in the blade passage to simulate blade flutter, in which the flutter motion is out of phase with the blade passage. Finally, a full-stage (rotor stator) can be simulated with two single blade passages, in which the pitch angles of the passages are different from one another. In all cases, significant savings in computational cost is achieved, as these problems would require a full-wheel mesh to solve without these models. Applications in turbomachinery include multistage axial, mixed, and centrifugal compressors, turbines, fans, and pumps.

HPC for Structures

The computation of large models has become a routine practice for many engineers. Available hardware power is steadily growing and benefits from the latest advances, such as the GPU board. Engineers who want to take full advantage of hardware must have suitable algorithms available. Once the model has been solved efficiently, reviewing the results takes further large resources because of file size and large amount of I/O. With ANSYS Mechanical 14.0, users can take advantage of the latest generation of GPU boards as well as minimize the amount of I/O required for post-processing operations.

Finite Array Analysis

The analysis of finite-sized antenna arrays has been a very important topic in antenna design. Due to the large electrical size of antenna arrays, it has been problematic to simulate with any 3-D simulator. As a result, a generally accepted method is to solve single antennas and then use a linked boundary approach to create an infinitely large array or utilize an array factor to create a finite array. This method, however, neglects all array edge effects and, therefore, calculates erroneous far-field patterns. The new ANSYS finite array capability models the finite array exactly; it therefore predicts the proper far fields that include array edge effects.

Physical Optics Solver

A special class of large electromagnetic structures includes aircraft and ships. Traditionally, these types of models have been too large to be solved by a 3-D full-wave electromagnetic solver. As a result, it is common practice to use physical optics codes. This solution allows for fast and reasonably accurate evaluation of extremely large electromagnetic problems. ANSYS HFSS offers this solver in addition to the standard finite element and integral equation solvers.

Workflow Performance & Usability

Simulating a single operating condition provides performance information, but engineers gain more design insight by simulating the entire performance envelope. ANSYS Workbench provides a framework for design exploration and optimization by enabling parametric modeling of geometric configurations, mesh controls, material properties, and operating conditions, leading to an automated simulation process. ANSYS 14.0 allows design point updates to be submitted for simultaneous execution via the remote solve manager (RSM), including cluster computing environments.

Geometry Modeling & Interoperability for Simulation

Modeling operations in ANSYS DesignModeler now directly accept geometry entities (like faces, edges and vertices), in addition to supporting named selections and sketches. In ANSYS 14.0, all features and tools are available for customization and exposure via toolbars to help users customize the interface with frequently used features, along with tools for easy and direct access. Several hot keys enable frequently repeated operations, reducing the number of steps for a given task. Other related improvements in ANSYS 14.0 include automatic freeze during slice, better error handling, easy toggle between single and box select options, and visualization controls for edge direction and vertices to identify and fix topological issues.

ANSYS EKM Product Installation & Setup

ANSYS EKM 14.0 brings new capabilities with important changes to simplify installation and licensing with EKM Individual and EKM Shared products.

The EKM Individual setup allows an EKM server to be set up for an individual user on his own machine. A user can access the private repository on an individual server, as well as have access to the full capabilities of EKM.
The EKM Shared setup allows an EKM server to be set up on a shared device that can be accessed by multiple users in a collaborative mode. Multiple users can access a shared repository via LAN or across a WAN.

ANSYS EKM Productivity Enhancements

Integration with ANSYS Workbench allows saving current Workbench projects directly to a selected EKM repository as well as searching for a Workbench project and opening it from a selected repository. Tighter integration with Workbench facilitates collaboration with ongoing projects and allows multiple users to leverage the work being done by colleagues. There are numerous usability enhancements for search and audit trail, fostering increased productivity.

MAPDL - ANSYS Workbench Integration

ANSYS 14.0 introduces a number of features that allow the user to control various components of the finite element model within the mechanical environment. All connections such as constraint equations, spiders or weak springs can now be visualized. Users can create selections of nodes using selection logic. For example, these selections can be used to apply loads and boundary conditions that can be modified during restart operations.

Composites

Simulation of composites structures brings additional challenges, such as the definition of hundreds or thousands of plies on a structure, including various orientations, or ply-by-ply analysis of the structure’s potential failure. A dedicated tool such as ANSYS Composite PrepPost provides significant ease of use for such models. Release 14.0 tightly integrates Composite PrepPost with other simulation in ANSYS Workbench. Release 14.0 provides specific modeling techniques for analysis of composites failure, such as progressive failure.

External Data Mapping

When results are to be shared between physics, standard practice is to import data, such as pressure fields, temperatures or heat exchange coefficients, from external files. Automated algorithms provide an efficient tool to project the data from one mesh to another. However, some problems can arise in cases of misalignment between the original data and the current mesh, or when the initial data is too scarce. The capabilities introduced at ANSYS release 13.0 have been enhanced to provide users with additional control and correction capabilities in ANSYS 14.0.

Turbomachinery

ANSYS 14.0 introduces the ability to identify critical speeds of single-spool systems with Campbell plots for solid and line bodies within ANSYS Mechanical, therefore allowing Workbench users to take advantage of solver technology in an efficient way.

Beams & Shells

ANSYS Mechanical introduces the ability to toggle between pipe and beam formulation of line bodies; it also offers the ability to define pipe-specific loads and results. ANSYS 14.0 supports the latest generation of pipe elements available from the MAPDL solver.

Users can import non-uniform thickness fields in the form of tabulated data using the external data capability. This enables direct import of bodies with variable shell thickness from simulation programs, such as ANSYS Polyflow, and the simulation of complex events, such as a plastic bottle drop test, with variable thickness being dropped when filled with a liquid.

Mesh connections allow users to merge nodes between adjacent faces without requiring geometric changes, to ensure that shared edges are available in the geometric model. This capability enhances the robustness and efficiency of meshing large shell models.

Robust Explicit Solutions

Nodal-based strain (NBS) tet eliminates numerical difficulties encountered in the past when using tet elements in problems that undergo shear that results in elements locking. Hex elements are best suited for use with explicit dynamics. However, complex geometries can be difficult or impossible to mesh with hex elements. The average nodal pressure (ANP) tet, implemented about a decade ago in ANSYS Explicit Dynamics, solves the difficulties of volume locking but not shear locking. Available with ANSYS 14.0, the NBS tet element enables running problems with shear loadings with highly accurate solutions.

Two-Way Coupling

Simultaneously leveraging the capabilities of computational fluid dynamics (CFD) and computational structural dynamics facilitates high-fidelity analysis of complex multiphysics problems. A well-known example is fluid−structure interaction (FSI). For example, FSI can be the interaction between forces exercised by the fluid on the solid structure, leading to deformation of the structure. This deformation can, in turn, influence flow behavior and its impact on the structure. Another example of FSI is the interaction between fluid and structure temperatures: Large differences in temperatures can lead to structural deformation (solid material dilatation or contraction) as well as changes in fluid dynamics (flow dilatation or contraction). ANSYS 14.0 adds two-way FSI capabilities between ANSYS Fluent and ANSYS Mechanical to the multiphysics portfolio for simulating complex phenomena like flutter.

Advanced Modeling

ANSYS 14.0 introduces a variety of new materials and enhancements to existing models. Biomedical applications can benefit from enhanced material formulations such as the Holzapfel model to capture behavior of fiber-reinforced tissue or shape-memory alloys for stent modeling.

Moisture diffusion has been implemented in thermal, structural and coupled simulations for electronic components. ANSYS acoustics capabilities for coupled analyses include far-field parameters calculations as well as an enhanced PML formulation. Large deformation simulations benefit from extension of 3-D rezoning capabilities to a number of loads and boundary conditions as well as support of a wider range of nonlinear materials. ANSYS provides the best solution for brake squeal analyses including complex Eigen-methods to predict onset of squeal, new state-of-the-art linear methods and parametric studies.

HPC for Structures

The computation of large models has become a routine practice for many engineers. Available hardware power is steadily growing and benefits from latest advances such as the GPU board. Engineers who want to take full advantage of hardware must have suitable algorithms available. Once the model has been solved efficiently, reviewing results takes further large resources because of file size and the large amount of I/O. With ANSYS Mechanical 14.0, users can take advantage of the latest generation of GPU boards as well as minimize the amount of I/O required for post-processing operations.

CFD Meshing Automation

CAD models often contain many parts, gaps or contact between parts. The larger the number of parts, contacts and gaps, the dirtier the geometry is. CFD engineers are responsible for cleaning geometry from a CAD file to extract the fluid volume and create the mesh: This is often cumbersome and time consuming. In ANSYS 14.0, the assembly meshing tool automatically extracts the fluid volume from CAD assemblies. Furthermore, it automatically creates either cut-cell structured Cartesian meshes (hexahedral mesh elements) or unstructured tetrahedral meshes (cut-tet), depending on user goals and preferences.

The cut-cell technique provides a smaller number of cells and is ideal when high-quality cells are required away from walls or boundaries. The cut-tet technique is ideal when high-quality mesh elements are required in regions close to walls. Inflation layers are supported for both meshing techniques to allow accurate resolution of regions of large gradients (for example, shear layers and boundary layers). Using the assembly meshing tool, users who once spent a considerable amount of time on analysis pre-processing — geometry cleaning, fluid volume extraction and volume decomposition to create hexa/tetrahedral hybrid meshes — can now get meshes of high quality in an automated, robust and fast manner.

Parametric Modeling and Design Optimization

The adjoint solver of ANSYS Fluent allows engineers to compute the derivative of engineering quantities of interest (such as drag, lift and pressure drop) with respect to the shape of the geometry and other design parameters. This provides guidance on how best to modify the design to achieve an improvement in performance and robustness. It also provides a rapid quantitative estimate of the improvement that can be expected for an extensive range of design-change scenarios. The power of adjoint technology is the ability to gain far more insight using a single simulation than previously possible. Tight integration with Fluent ensures that reliable and consistent design sensitivities are computed.

Electronics Cooling Workflow & Usability

ANSYS Icepak 14.0 contains a new graphical user interface with new icons, redesigned menus and dialog boxes, expanded right-click functionality, enhanced graphics, and many additional productivity enhancements. Improvements to ANSYS DesignModeler enable engineers to rapidly simplify and create Icepak objects from mechanical CAD data. New variables in ANSYS CFD-Post (thermal chokepoint and thermal cross) allow engineers to identify areas with high thermal resistances and possible regions for a new heat flow path.

Automotive Modeling

The ANSYS Workbench IC engine analysis system compresses setup time by automating steps in geometry setup, meshing, mesh motion, cold flow setup and post-processing. Improvements that allow the boundary layer to be included during dynamic remeshing enable users to better capture wall effects and improve mesh quality.

Two-Way Coupling

Simultaneously leveraging the capabilities of computational fluid dynamics (CFD) and computational structural dynamics facilitates high-fidelity analysis of complex multiphysics problems. A well-known example is fluid−structure interaction (FSI). For example, FSI can be the interaction between forces exercised by fluid on a solid structure, leading to deformation of the structure. This deformation can, in turn, influence flow behavior and its impact on the structure. Another example of FSI is the interaction between fluid and structure temperatures: Large differences in temperatures can lead to structural deformation (solid material dilatation or contraction) as well as changes in fluid dynamics (flow dilatation or contraction). ANSYS 14.0 adds two-way FSI capabilities between ANSYS Fluent and ANSYS Mechanical to the multiphysics portfolio for simulating complex phenomena like flutter.

Expanded Low-Frequency, Structural & Fluids Coupling

A one-way electromagnetic coupling with Fluent allows temperature feedback into electromagnetic designs based on a high level of accuracy provided by CFD design simulation. This capability enables the user to evaluate a variety of cooling system topologies and impacts to electromagnetic motor/generator behavior; the entire system can be optimized employing ANSYS Workbench.

Two-way electromagnetic coupling with stress analysis addresses effects due to electromagnetic force generation on electromagnetic structures that cause geometries to undergo deformations. The deformed geometries are automatically read by the electromagnetic software platform, which further recalculates electromagnetic field distribution. Thus, electromagnetic characteristics on the deformed structures are evaluated. Based on the coupling designed flow, the stress feedback can be used when thermal−stress simulation is involved.

Fluids Solver & HPC Performance

ANSYS is committed to providing solver and HPC enhancements release by release. ANSYS 14.0 features a comprehensive suite including architecture-aware partitioning, improved scalability for simulations with monitors enabled, and the full release of remote solver manager supporting heterogeneous networks. There is also support of automatic marking of bad-quality cells and invocation of more robust numerics on these cells for improved solver robustness and overall accuracy.

Turbomachinery Modeling

The transient blade row methods in ANSYS CFX 14.0 are designed to operate on single blade passages and are targeted at three classes of problems. First, an inlet disturbance can be set up that has a different phase angle than the passage. Second, a moving mesh can be implemented in the blade passage to simulate blade flutter, in which the flutter motion is out of phase with the blade passage. Finally, a full stage (rotor stator) can be simulated with two single blade passages, in which the pitch angles of the passages are different from one another. In all cases, significant savings in computational cost is achieved, as these problems would require a full-wheel mesh to solve without these models. Applications in turbomachinery include multi-stage axial, mixed, and centrifugal compressors, turbines, fans, and pumps.

ANSYS HFSS for ECAD

With the new Ansoft Designer links capability, engineers can create fully solvable ANSYS HFSS models while working in any Cadence layout tool (Allegro, Virtuoso and SiP). Thus, an engineer no longer needs to be expert at using HFSS, since all the modeling steps are automated and can be done while in the Cadence environment.

For non-Cadence users, it is possible to use the ODB format and bring layouts directly into Designer. The user can work in our layout editor and very easily and quickly make changes to the imported layout or automatically assign excitations and solve the imported structure using the HFSS Solver on Demand capability.

ANSYS SIwave Accuracy & Usability Enhancements

SIwave introduces significant improvements in the calculation of vias and their associated structures. Enhancements include characterization of arbitrary anti-pad shapes and, in certain instances, coupled models for vias that are in close proximity. There is also an improved method to handle unreferenced signal traces during simulation.

SIwave includes the capability to run HSPICE or ANSYS Nexxim transient simulations directly from within SIwave. Once a simulation is finished, the engineer can simulate and plot time-domain waveforms for signal nets directly from within the SIwave tool.

3-D IC Packages

IC package manufacturers have continued to evolve more complex packaging technologies, such as system-on-chip, stacked die, and multi-chip modules, in an effort to maintain continually increasing chip performance. Three-dimensional packages such as a stacked die, in which multiple dies are stacked vertically in the same package, have unique thermal requirements. Three-dimensional structures don't spread heat evenly throughout the chip, which creates local hot spots. With ANSYS Icepak 14.0, engineers can simulate thermal response of 3-D stacked dies and package-on-package configurations.

Finite Array Analysis

The analysis of finite-sized antenna arrays is a very important topic in antenna design. Due to the large electrical size of antenna arrays, it has been problematic to simulate with any 3-D simulator. As a result, it is a generally accepted method to solve single antennas and then use a linked boundary approach to create an infinitely large array or utilize an array factor to create a finite array. This method, however, neglects all array edge effects and, therefore, calculates erroneous far-field patterns. The new finite array capability models the finite array exactly; it therefore predicts the proper far fields that include array edge effects.

Physical Optics Solver

A special class of large electromagnetic structures includes aircraft and ships. Traditionally, these types of models have been too large to be solved by a 3-D full-wave electromagnetic solver. As a result, it is common practice to use physical optics codes. This solution allows for fast and reasonably accurate evaluation of extremely large electromagnetic problems. ANSYS HFSS offers this solver in addition to the standard finite element and integral equation solvers.