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Ansys HFSS is a 3D electromagnetic (EM) simulation software for designing and simulating high-frequency electronic products such as antennas, antenna arrays, RF or microwave components, high-speed interconnects, filters, connectors, IC packages and printed circuit boards. Engineers worldwide use Ansys HFSS software to design high-frequency, high-speed electronics found in communications systems, advanced driver assistance systems (ADAS), satellites, and internet-of-things (IoT) products.
Ansys HFSS’s unmatched capacity, coupled with indisputable accuracy, enables engineers to address RF, microwave, IC, PCB and EMI problems for most complex systems.
Ansys HFSS enables the following:
Ansys Electronics Desktop enables engineers to easily combine the unmatched accuracy of Ansys electromagnetic 3D and 2.5D field solvers and the powerful circuit- and system-level solutions in Ansys RF Option to diagnose, isolate and eliminate EMI and radio-frequency issues (RFI) early in the design cycle.
Users can take advantage of the seamless workflow in Electronics Desktop, which includes advanced electromagnetic field solvers, and dynamically link them to power circuit simulators to predict EMI/EMC performance of electrical devices. These integrated workflows avoid repetitive design iterations and costly recurrent EMC certification tests. Multiple EM solvers intended to address diverse electromagnetic problems, as well as the circuit simulators in Electronics Desktop, help engineers assess the overall performance of their electrical devices and create interference-free designs.
These diverse problems range from radiated and conducted emissions, susceptibility, crosstalk, RF desense, RF coexistence, cosite, electrostatic discharge, electric fast transients (EFT), burst, lightning strike effects, high intensity fields (HIRF), radiation hazards (RADHAZ), electromagnetic environmental effects (EEE), electromagnetic pulse (EMP) to shielding effectiveness and other EMC applications.
EMIT works hand-in-hand with Ansys HFSS to combine RF system interference analysis with best-in-class electromagnetic simulation for modeling installed antenna-to-antenna coupling. The result is a complete solution to reliably predict the effects of RFI in multi-antenna environments with multiple transmitters and receivers.
EMIT’s powerful analysis engine computes all important RF interactions including non-linear system component effects. Diagnosing RFI in complex environments is notoriously difficult and expensive to perform in a testing environment, but with EMIT’s dynamic linked results views, the identification of the root-cause of any interference is rapidly accomplished via graphical signal trace-back and diagnostic summaries that show the exact origin and path that interfering signals take to each receiver.
Once the cause of interference is uncovered, EMIT enables rapid evaluation of various RFI mitigation measures in order to arrive at the optimum solution. The new Ansys HFSS/EMIT Datalink allows the model for RFI analysis to be created in EMIT directly from the physical 3D model of the installed antennas in Ansys HFSS. This provides a seamless end-to-end workflow for a complete RFI solution for RF environments ranging from large platform cosite interference to receiver desense in electronic devices.
Installed Antenna and RF Cosite AnalysisIn Ansys HFSS, engineers can simulate infinite and finite phased-array antennas with all electromagnetic effects, including mutual coupling, array lattice definition, finite array edge effects, dummy elements and element blanking, through advanced unit cell simulation.
A candidate array design can examine input impedances of all elements under any beam scan condition. Phased array antennas can be optimized for performance at the element, subarray or complete array level based on element match (passive or driven) far-field and near-field pattern behavior over any scan condition of interest. Infinite array modeling involves one or more antenna elements placed within a unit cell. The cell contains periodic boundary conditions on the surrounding walls to mirror fields, creating an infinite number of elements.
Element scan impedance and embedded element radiation patterns can be computed, including all mutual coupling effects. The method is especially useful for predicting array-blind scan angles that can occur under certain array beam steering conditions. Finite array simulation technology leverages domain decomposition with the unit cell to obtain a fast solution for large finite-sized arrays. This technology makes it possible to perform complete array analysis to predict all mutual coupling, scan impedance, element patterns, array patterns and array edge effects.
When combined with Ansys HFSS, circuits and RF systems simulation technologies create an end-to-end high-performance workflow for RF, EMI/EMC and other applications.
It includes EMIT, a unique multi-fidelity approach for predicting RF system performance in complex RF environments with multiple sources of interference. EMIT also provides the diagnostic tools needed to quickly identify root-cause RFI issues and mitigate problems early in the design cycle.
Signal and Power Integrity Analysis+When combined with Ansys HFSS, SI Circuits can be used for analyzing signal integrity, power integrity and EMI issues caused by shrinking timing and noise margins in PCBs, electronic packages, connectors and other complex electronic interconnects.
Ansys HFSS with SI Circuits can handle the complexity of modern interconnect design from die-to-die across ICs, packages, connectors and PCBs. By leveraging the Ansys HFSS advanced electromagnetic field simulation capability dynamically linked to powerful circuit and system simulation, engineers can understand the performance of high-speed electronic products long before building a prototype in hardware.
Encrypted 3D Component support in Ansys HFSS 3D Layout allows companies to share their detailed component designs (connector, antenna, SMD chip capacitor) without divulging IP such as geometry and material properties.
The ability to simulate encrypted Ansys HFSS 3D components means that you no longer need to compromise on accuracy. Designers are no longer forced to use circuit-level components (e.g., S-parameter models) vs. true 3D models into their design, impacting the overall simulation accuracy.
It enables prospective customers of vendors to use encrypted 3D Components in a full system design. The end user receives more confidence in the validity of results by rigorously considering coupling effects of the integration while also protecting the vendor’s design IP. In addition, it also provides full, uncompromised simulation fidelity for encrypted 3D components with Ansys HFSS and adaptive meshing delivering its gold-standard accuracy.
MultipactionAnsys HFSS has been enhanced with multipaction analysis, which solves for an electronic phenomenon that can cause breakdown due to high electric fields in a vacuum, enhancing solutions for aerospace applications as well as 5G satellites.
Ansys HFSS multipaction solver is based on a finite-element particle-in-cell (PIC) method. Ansys HFSS provides the multipaction analysis as a postprocessing of the frequency-domain field solutions. With few steps to set up the excitations and boundary conditions for charged particle simulation, you can check whether your design meets the standard for multipaction breakdown prevention.
The Ansys HFSS simulation suite consists of a comprehensive set of solvers to address diverse electromagnetic problems ranging in detail and scale from passive IC components to extremely large-scale EM analyses such as automotive radar scenes for ADAS systems. Its reliable automatic adaptive mesh refinement lets you focus on the design instead of spending time determining and creating the best mesh.
This automation and guaranteed accuracy differentiates Ansys HFSS from all other EM simulators, which require manual user control and multiple solutions to ensure that the generated mesh is suitable and accurate.
Key features include:
Key capabilities are:
ANSYS HFSS – PADT
Ansys – PADT
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