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ANSYS for multiphysics and system simulation

ANSYS products for multi-physics and system simulation allow for the analysis of complex multi-physical systems by linking various physical disciplines on the field and system levels (field and terminal linking).

There are numerous questions are not answered precisely enough with the description of individual physical effects. In such cases, a cross-domain simulation model offers the opportunity to precisely model the actual behavior. In order to reliably study complex products, the multi-physics portfolio from ANSYS provides proven processes and solutions that can be combined into powerful tools.

Typical applications

Current carrying capacity for electrical conductors, the characteristics of which depend on electrical current flow, thermal resistance, and mechanical deformation (contact) and which are influenced by each other. This includes connectors, cables, and coils.

Generators, e-motors, and transformers that vibrate mechanically due to electromagnetic forces and emit unwanted noise as a result: Magnetic fields, mechanical systems, and acoustics are linked together in a continuous workflow.

Controlled flow behavior under the interactions with mechanical structures (FSI), for example the opening and closing of lamellar valves in fluid flow or the flow of blood in veins and arteries that widen due to pressure impulses.

Robust manufacturing processes such as welding (electrical field, temperature field, mechanical system), inductive warming (magnetic field, temperature), and magnetic deformation (magnetic field, mechanical systems).

Terminal linking

Some dynamic systems do not permit complete field linking due to the variety and complexity of their components. Terminal linking is helpful in such instances to efficiently describe the interactive effects and selected effects, and to optimize the interaction of components. In so doing, the quantity of results can be transmitted between the components via the terminals, usually in an integral (concentrated) form. Such modeling occurs most frequently in mechatronics.

A couple of examples:

  • Powertrains and positioning systems with mechanical and/or electric motors as well as transmission and controller logic.
  • Tool machines with mechanically fluctuating structural components, electrical or hydraulic drives, and a control system with a micro-controller and embedded software
  • • Wind energy systems with upstream flow of rotor blades, gearbox transmission, and energy conversion in the generator and inverter


Field linking

If the spatial distribution of field sizes like forces or losses and their linking are at the forefront in the analysis, then ANSYS uses the field linking on a matrix of load vector level. This is a process that has long since been established in product development.

  • Matrix linking illustrates the required physical domains (mechanical systems, temperature, magnetic field, etc.) using a joint model with the appropriate degree of freedom. This results in higher convergence speed and robustness for the solution, especially for strongly linked phenomena.

  • The load vector linking connects the simulations of various domains (flow, magnetic field, mechanical system, etc.) with automated data exchange, and offers the greatest possible flexibility when creating models in individual sub-disciplines. For applications with link not as strong, the automatic interpolation between different networks allows for a significant acceleration in the numerical simulation.


Performance characteristics

Best-in-class solutions for simulating mechanical systems, fluids, temperature, and electromagnetism that make particularly good use of their relevant strengths when combined.

Comprehensive technologies for linking physical disciplines and development areas like mechanical systems, temperature, current, electromagnetic fields, MCAD, ECAD, and embedded software. Scalable models can be used for product description, ranging from nano to kilo (die – microchip – circuit board – hardware / oil film – slide bearings – drives – powertrain – vehicle).

Open interfaces and standards for flexible work processes and maximum investor protection for software and application-related expertise.

Standardized software philosophy that simplifies training, use, and licensing.

Professional support from experts for individual subject areas and effective cooperation based on an integrated development environment – all from one source.

ANSYS Modules

ANSYS offers three classes of software modules for linked tasks:

These software modules used as a single product unite the essential benefits of field linking.

These software modules offer field linking by combining several products. In so doing, the strengths of the individual solutions can be used in a targeted approach to provide a modular work process across the entire application scope.

Software module for system simulation by means of terminal linking: The integration into ANSYS Workbench combines the benefits of traditional system simulation (complexity of calculable systems, speed) with those of 3D field simulation (realism, reliable modeling).

Your start in the world of simulation

Your start in the world of simulation

  • Introduce simulation safely
  • 4 steps to be operational
  • Accompaniment throughout the process


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